CN209021143U - A kind of rod iron end jumping-up stick and its rod iron end upsetting apparatus - Google Patents

Abstract

The utility model discloses a kind of rod iron end jumping-up stick and its rod iron end upsetting apparatus, it includes heading stick ontology (3)；Heading stick ontology (3) includes stick inner core (311) and is interference fitted in the stick housing (312) of stick inner core (12) outside；One of stick inner core (311) is that the upsetting of rod iron axis hole is lifted one's head, and to provide the connector that mechanism is connected with axial force, one of stick housing (312) is rod iron extrusion head for the other end of stick inner core (311)；The rod iron axis hole upsetting of stick inner core (311), which is lifted one's head, to be exposed at outside the rod iron extrusion head of stick housing (312), and, after the rod iron extrusion head of stick housing (312) offsets and squeezes in the end to be upsetting with rod iron, the rod iron axis hole upsetting of stick inner core (311) is lifted one's head can be mobile away from stick housing (312) direction under the driving of axial force.The compactness for the rod iron heading that upsetting goes out can be improved.

Description

A kind of rod iron end jumping-up stick and its rod iron end upsetting apparatus

Technical field

The utility model relates to a kind of rod iron end jumping-up stick and its rod iron end upsetting apparatus.

Background technique

Rod iron end jumping-up equipment is responsible for implementing upseting to the end of reinforcing bar or rod iron, and rod iron end jumping-up is set Core component in standby includes rod iron end jumping-up stick and rod iron heading die.

In the prior art, can upsetting go out to have axis hole heading rod iron end jumping-up stick, but this kind of rod iron end jumping-up Stick, structure include path section and major diameter section that be coaxial and being an integral structure, the first end with rod iron to be upsetting of path section It contacts and punching press is initially formed axis hole, then heading is ultimately formed by the extruding of major diameter section, the compactness of the heading formed in this way exists The space of raising.

In the prior art, a kind of cylindrical steel bar upsetting die is disclosed, patent announcement number is CN 200920150433, When implementing upset reinforcing rebar using the mold and pier nose stick, sky of to be upsetting that of reinforcing bar by clamping reinforcing bar in mold The forming cavity of chamber and reinforcing bar is exposed at outside mold, and as shown in the Figure of description 5 of the patent text, pier nose stick punching press is exposed at outside mold To be upsetting that of reinforcing bar, as shown in the Figure of description 6 of the patent text, in actual conditions, pier nose stick punching press reinforcing bar It is easy to bend reinforcing bar, the part that reinforcing bar is bent can be gone to outside mold, cause not form in the forming cavity of reinforcing bar, affect steel The quality of the heading of muscle.

Utility model content

The technical problems to be solved in the utility model is to provide a kind of rod iron end jumping-up stick, can improve the rod iron that upsetting goes out The compactness of heading.

In order to solve the above technical problems, technical solution provided by the utility model are as follows:

A kind of rod iron end jumping-up stick, it includes heading stick ontology；Heading stick ontology includes stick inner core and interference fit Stick housing outside stick inner core；One of stick inner core is that the upsetting of rod iron axis hole is lifted one's head, and the other end of stick inner core is provides with axial force The connected connector of mechanism, one of stick housing are rod iron extrusion head；The rod iron axis hole upsetting of stick inner core, which is lifted one's head, is exposed at stick housing Outside rod iron extrusion head, also, after the rod iron extrusion head of stick housing offsets and squeezes in the end to be upsetting with rod iron, stick inner core Rod iron axis hole upsetting lift one's head under the driving of axial force can be mobile away from stick housing direction.

Further, the rod iron axis hole upsetting of stick inner core is lifted one's head for undergauge head.

It designs, compared with prior art, has the advantage that using the above structure

Based on stick inner core and the stick housing being interference fitted in outside stick inner core, the rod iron extrusion head elder generation extruded rod of stick housing End to be upsetting, later, the rod iron axis hole upsetting of stick inner core is lifted one's head can be away from stick housing direction under the driving of axial force Mobile, the rod iron axis hole upsetting of stick inner core is lifted one's head through mobile to form axis hole, heading stick ontology away from stick housing direction It first squeezes and is compacted rod iron heading to be upsetting, then punching press pore-forming.

The technical problems to be solved in the utility model is to provide a kind of rod iron end upsetting apparatus, which is implementing upsetting When thick operation, it is avoided that the upset situation for causing rod iron to be gone to outside mold in the process occurs, and improve the steel that upsetting goes out The compactness of stick heading.

In order to solve the above technical problems, technical solution provided by the utility model are as follows: a kind of rod iron end upsetting apparatus, it Including rod iron end heading die, if on the table comprising the first half module and the second half of mould is molded and divided under driving Mould；Rod iron heading forming cavity is formed in the heading die of the rod iron end after the first half module and the molding of the second half module, and And both ends are connected to rod iron end heading die outside respectively；Heading stick ontology is located at outside the heading die of rod iron end, in stick Core and stick housing protrude into simultaneously rod iron end of the punching press in rod iron heading forming cavity by one of rod iron heading forming cavity under driving Head is with upset and pore-forming.

Further, first half module is equipped with the first rod iron heading forming tank, and second half module is equipped with second Rod iron heading forming tank；After the first half module and the molding of the second half module, the first rod iron heading forming tank and the second rod iron heading at Type groove constitutes rod iron heading forming cavity.

Further, it is additionally provided with the first rod iron clamping slot on first half module, one of the first rod iron clamping slot It is connected to outside with rod iron end heading die, other end and the first rod iron heading forming tank penetrate through；It is additionally provided on second half module One of second rod iron clamping slot, the second rod iron clamping slot is connected to outside with rod iron end heading die, other end and second The perforation of rod iron heading forming tank；The first rod iron clamping slot and the second rod iron clamping slot are molded in the first half module and the second half module The rod iron for constituting mold afterwards clamps chamber, and the rod iron heading forming cavity clamps chamber with rod iron and coaxially penetrates through.

Further, the chamber diameter of rod iron heading forming cavity is greater than the chamber diameter that rod iron clamps chamber；The rod iron heading forming cavity That for clamping that chamber be connected to rod iron is in the changeover portion by rod iron heading forming cavity towards rod iron clamping cavity direction gradually undergauge.

Further, the chamber diameter of rod iron heading forming cavity is greater than the chamber diameter that rod iron clamps chamber；The rod iron heading forming cavity Pressure-bearing platform is formd with that of the connection of rod iron clamping chamber.

Further, rod iron end upsetting apparatus further includes Matched Molds oil cylinder；First half module or the second half module In one be fixed on the workbench；The driving end of the Matched Molds oil cylinder and the first half module or the second half module In another be connected, first half module and the second half module are opposite up and down.

Further, rod iron end upsetting apparatus further includes Matched Molds oil cylinder；First half module and the second half module are left The right side is relatively set on the workbench；One in the driving end of the Matched Molds oil cylinder and the first half module or the second half module It is a to be connected, it drives the molding of the first half module and the second half module and divides mould.

Further, rod iron end upsetting apparatus further includes rod iron jumping-up oil cylinder；The rod iron jumping-up oil cylinder installation It is fixed that the connector of the stick inner core of heading stick ontology is coaxially connected with the driving end of rod iron jumping-up oil cylinder on the workbench, The rod iron axis hole upsetting of stick inner core lift one's head with the rod iron extrusion head of stick housing under the driving of rod iron jumping-up oil cylinder by rod iron heading at One of type chamber protrudes into and rod iron end of the punching press in rod iron heading forming cavity is with upset and pore-forming.

It designs, compared with prior art, has the advantage that using the above structure

It in the present apparatus, is pierced by outside mold different from rod iron, in rod iron end after the first half module and the molding of the second half module Foring rod iron heading forming cavity in heading die, rod iron heading forming cavity can accommodate to be upsetting that of rod iron, this moment, Rod iron end of the heading stick ontology punching press in rod iron heading forming cavity is with upset and pore-forming.The upset operation of a whole rod iron exists Completed in rod iron heading forming cavity, avoid it is upset during cause rod iron to be gone to outside mold, avoid rod iron go to it is right outside mold It influences caused by quality to the heading of rod iron, simultaneously as heading stick ontology first squeezes compacting, then by compact making hole, mentions The compactness for the rod iron heading that high upsetting goes out.

Detailed description of the invention

Fig. 1 is a kind of overall structure diagram of structure type of the utility model.

Fig. 2 is the structural schematic diagram of the first half module of rod iron end heading die involved in Fig. 1.

Fig. 3 is the structural schematic diagram of the second half module of rod iron end heading die involved in Fig. 1.

Fig. 4 is the structural schematic diagram of rod iron end heading die involved in Fig. 1.

Fig. 5 is that the rod iron end heading die of Fig. 1 implements the machining sketch chart of upseting.

Fig. 6 is the machining sketch chart that another rod iron end shown in FIG. 1 heading die implements upseting.

Fig. 7 is the machining sketch chart that another rod iron end shown in FIG. 1 heading die implements upseting.

Fig. 8 is the overall structure diagram of another structure type of the utility model.

Fig. 9 is the structural schematic diagram of the first half module of rod iron end heading die involved in Fig. 8.

Figure 10 is the structural schematic diagram of the second half module of rod iron end heading die involved in Fig. 8.

Figure 11 is the structural schematic diagram of rod iron end heading die involved in Fig. 8.

Figure 12 is that the rod iron end heading die of Fig. 8 implements the machining sketch chart of upseting.

Figure 13 is the machining sketch chart that another rod iron end shown in Fig. 8 heading die implements upseting.

Figure 14 is the machining sketch chart that another rod iron end shown in Fig. 8 heading die implements upseting.

Figure 15 is the overall structure diagram of another structure type of the utility model.

Figure 16 is the structural schematic diagram under another visual angle Figure 15.

Figure 17 is the structural schematic diagram of the rod iron end jumping-up stick of the utility model.

Figure 18 is an integrally-built schematic cross-section for the rod iron end heading die of the utility model.

Figure 19 is integrally-built another schematic cross-section of the rod iron end heading die of the utility model.

Figure 20 is integrally-built another schematic cross-section of the rod iron end heading die of the utility model.

As shown in the figure: 1, rod iron clamps chamber；2, rod iron heading forming cavity；3, heading stick ontology；311, stick inner core；312, stick Housing；411, the first half module；412, the second half module；511, the first rod iron clamping slot；512, the second rod iron clamping slot；611, 611', the first rod iron heading forming tank；612,612', second rod iron heading forming tank；7, workbench；711, workspace；8, it closes Mould divides mould oil cylinder；9, rod iron jumping-up oil cylinder；10, positioning pin；11, location hole.

Specific embodiment

The utility model is further described in detail below through specific implementation examples and in conjunction with the accompanying drawings.

Rod iron involved in each embodiment below, can analogize to reinforcing bar.

Involved rod iron end jumping-up stick in each implementation below, as described in Figure 17, structure includes heading stick ontology 3；Heading stick ontology 3 includes stick inner core 311 and the stick housing 312 being interference fitted in outside stick inner core 311；The one of stick inner core 311 Head is that the upsetting of rod iron axis hole is lifted one's head, and the rod iron axis hole upsetting of stick inner core 311 is lifted one's head for undergauge head, and the other end of stick inner core 311 is and axis There is provided mechanism connected connector to power, one of stick housing 312 is rod iron extrusion head；The rod iron axis hole upsetting of stick inner core 311 goes out Head is exposed at outside the rod iron extrusion head of stick housing 312.

Embodiment one

Present embodiment discloses a kind of rod iron end upsetting apparatus, as shown in Figure 1, structure include heading stick ontology 3, by Rod iron end heading die, workbench 7, Matched Molds oil cylinder 8 and the rod iron upsetting that first half module 411 and the second half module 412 are constituted Crude oil cylinder 9；Rod iron end heading die is set on the table 7, and workspace 711 is formd on workbench 7, and specifically the second half Mould 412 is fixed on lower die of the bottom of the workspace 711 of workbench 7 as rod iron end heading die, the first half module 411 As the upper mold of rod iron end heading die, Matched Molds oil cylinder 8 be mounted on the bottom of the workspace 711 of workbench 7 and its Driving end is connected and fixed with the first half module 411 downward, under the driving of Matched Molds oil cylinder 8, the first half module 411 and the second half Mould 412 molds or divides mould.

In the present embodiment, it is the first half module 411 and the second half module 412 of a kind of specific structure as follows, serves upsetting and go out A kind of rod iron heading of structure type, meets the needs of practical application.See shown in Fig. 2, Fig. 3 and Fig. 4, on the first half module 411 Equipped with the first rod iron clamping slot 511 being mutually communicated and the first rod iron heading forming tank 611, and the first rod iron clamping slot 511 One extend outside mold, one of the first rod iron heading forming tank 611 extends outside mold, and the second half module 412 is equipped with The second rod iron clamping slot 512 being mutually communicated and the second rod iron heading forming tank 612, and the one of the second rod iron clamping slot 512 Head extends outside mold, and one of the second rod iron heading forming tank 612 extends outside mold, and rod iron end heading die is using In the process, the first rod iron clamping slot 511 and the second rod iron clamping slot 512 are opposite, and the first rod iron clamping slot 511 and second Rod iron clamping slot 512 constitutes rod iron after the first half module 411 and the molding of the second half module 412 and clamps chamber 1, the molding of the first rod iron heading Slot 611 and the second rod iron heading forming tank 612 are opposite, and the first rod iron heading forming tank 611 and the molding of the second rod iron heading Slot 612 constitutes rod iron heading forming cavity 2 after the first half module 411 and the molding of the second half module 412, and rod iron clamps chamber 1 and rod iron upsetting Head forming cavity 2 coaxially penetrates through；And the chamber diameter of rod iron heading forming cavity 2 is greater than the chamber diameter that rod iron clamps chamber 1；The rod iron heading It is in gradually to be contracted by rod iron heading forming cavity 2 towards rod iron clamping 1 direction of chamber that forming cavity 2 and rod iron, which clamp that chamber 1 be connected to, The changeover portion 211 of diameter.

In the present embodiment, as shown in Figure 1, rod iron end upsetting apparatus further includes rod iron jumping-up oil cylinder 9；Rod iron jumping-up oil Cylinder 9 is fixed on the bottom of the workspace 711 of workbench 7, after rod iron jumping-up oil cylinder 9 is in rod iron end heading die End, the connector of the stick inner core 311 of heading stick ontology 3 are coaxially connected with the driving end of rod iron jumping-up oil cylinder 9, stick inner core 311 Rod iron axis hole upsetting is lifted one's head with the rod iron extrusion head of stick housing 312 under the driving of rod iron jumping-up oil cylinder 9 by rod iron heading forming cavity 2 One protrude into and rod iron end of the punching press in rod iron heading forming cavity 2 with upset and pore-forming.Specifically, in rod iron jumping-up oil The driving end of cylinder 9 pushes heading stick ontology 3, the rod iron extrusion head one that the rod iron axis hole upsetting of stick inner core 311 is lifted one's head with stick housing 312 Extruded rod end to be upsetting is played, later, the interference fit of stick inner core 311 and stick housing 312 releases, the steel of stick inner core 311 The upsetting of mandrel hole is lifted one's head can be mobile away from 312 direction of stick housing under the driving of axial force, the rod iron axis hole upsetting of stick inner core 311 Lift one's head by, to be stamped and formed out axis hole, realizing rod iron elder generation quilt to be upsetting on the whole away from the movement of 312 direction of stick housing Squeeze compacting, then punching press pore-forming.

In the present embodiment, see shown in Fig. 5, Fig. 6 and Fig. 7, due to being upset as in rod iron heading forming cavity 2 to rod iron implementation Type operation, even if there is Fig. 6, the case where rod iron is bent, is still able to upsetting and goes out qualified heading.

Embodiment two

Present embodiment discloses a kind of rod iron end upsetting apparatus, as shown in Figure 8, structure include heading stick ontology 3, by Rod iron end heading die, workbench 7, Matched Molds oil cylinder 8 and the rod iron upsetting that first half module 411 and the second half module 412 are constituted Crude oil cylinder 9；Rod iron end heading die is set on the table 7, and workspace 711 is formd on workbench 7, and specifically the second half Mould 412 is fixed on lower die of the bottom of the workspace 711 of workbench 7 as rod iron end heading die, the first half module 411 As the upper mold of rod iron end heading die, Matched Molds oil cylinder 8 be mounted on the bottom of the workspace 711 of workbench 7 and its Driving end is connected and fixed with the first half module 411 downward, under the driving of Matched Molds oil cylinder 8, the first half module 411 and the second half Mould 412 molds or divides mould.

In the present embodiment, it is the first half module 411 and the second half module 412 of another specific structure as follows, serves upsetting The rod iron heading of another structure type out, meets the needs of practical application.Fig. 9, Figure 10 and Figure 11 are seen, on the first half module 411 Equipped with the first rod iron clamping slot 511 being mutually communicated and the first rod iron heading forming tank 611', and the first rod iron clamping slot 511 One extend outside mold, one of the first rod iron heading forming tank 611' extends outside mold, and the second half module 412 is equipped with The the second rod iron clamping slot 512 and the second rod iron heading forming tank 612' being mutually communicated, and the second rod iron clamping slot 512 One is extended outside mold, and one of the second rod iron heading forming tank 612' extends outside mold, and rod iron end heading die exists In use process, the first rod iron clamping slot 511 and the second rod iron clamping slot 512 are opposite, and 511 He of the first rod iron clamping slot Second rod iron clamping slot 512 constitutes rod iron after the first half module 411 and the molding of the second half module 412 and clamps chamber 1, the first rod iron heading Forming tank 611' is opposite with the second rod iron heading forming tank 612', and the first rod iron heading forming tank 611' and the second rod iron upsetting Head forming tank 612' the first half module 411 and the second half module 412 molding after constitute rod iron heading forming cavity 2, rod iron clamp chamber 1 with Rod iron heading forming cavity 2 coaxially penetrates through；And the chamber diameter of rod iron heading forming cavity 2 is greater than the chamber diameter that rod iron clamps chamber 1；The steel That of the connection of stick heading forming cavity 2 and rod iron clamping chamber 1 forms pressure-bearing platform, and pressure-bearing platform B in Figure 11 and Figure 12 is marked Know out.

In the present embodiment, as shown in Figure 8, rod iron end upsetting apparatus further includes rod iron jumping-up oil cylinder 9；Rod iron jumping-up oil Cylinder 9 is fixed on the bottom of the workspace 711 of workbench 7, after rod iron jumping-up oil cylinder 9 is in rod iron end heading die End, the connector of the stick inner core 311 of heading stick ontology 3 are coaxially connected with the driving end of rod iron jumping-up oil cylinder 9, stick inner core 311 Rod iron axis hole upsetting is lifted one's head with the rod iron extrusion head of stick housing 312 under the driving of rod iron jumping-up oil cylinder 9 by rod iron heading forming cavity 2 One protrude into and rod iron end of the punching press in rod iron heading forming cavity 2 with upset and pore-forming.Specifically, in rod iron jumping-up oil The driving end of cylinder 9 pushes heading stick ontology 3, the rod iron extrusion head one that the rod iron axis hole upsetting of stick inner core 311 is lifted one's head with stick housing 312 Extruded rod end to be upsetting is played, later, the interference fit of stick inner core 311 and stick housing 312 releases, the steel of stick inner core 311 The upsetting of mandrel hole is lifted one's head can be mobile away from 312 direction of stick housing under the driving of axial force, the rod iron axis hole upsetting of stick inner core 311 Lift one's head by, to be stamped and formed out axis hole, realizing rod iron elder generation quilt to be upsetting on the whole away from the movement of 312 direction of stick housing Squeeze compacting, then punching press pore-forming.

In the present embodiment, see shown in Figure 12, Figure 13 and Figure 14, due to implementing upsetting to rod iron in rod iron heading forming cavity 2 Thick operations for forming, even if there is Figure 13, the case where rod iron is bent, is still able to upsetting and goes out qualified heading.

Embodiment three

This implementation discloses a kind of rod iron end upsetting apparatus, is based on embodiment one, three institute of embodiment two or embodiment Disclosed rod iron end upsetting apparatus is shown in shown in Figure 18, Figure 19 or Figure 20 in the present embodiment, accurately to implement first One in the molding of half module 411 and the second half module 412, the first half module 411 or the second half module 412 is equipped with positioning pin 10, Another is equipped with the location hole 11 that cooperation positioning pin 10 is inserted into.

Example IV

As shown in Figure 20, present embodiment discloses a kind of rod iron end upsetting apparatus, one arrive implementation based on the above embodiment The arbitrary disclosed rod iron end heading die of example four, but the outer edge of rod iron end heading die is defined, The rod iron end heading die for having selected the outer in section to be square.Conducive to the steady installation of rod iron end heading die.

Embodiment five

As shown in Figure 18, present embodiment discloses a kind of rod iron end upsetting apparatus, one arrive implementation based on the above embodiment The arbitrary disclosed rod iron end heading die of example four, but the outer edge of rod iron end heading die is defined, Select the outer in section in the rod iron end heading die of regular hexagon.Conducive to the steady installation of rod iron end heading die.

Embodiment six

As shown in Figure 19, present embodiment discloses a kind of rod iron end upsetting apparatus, one arrive implementation based on the above embodiment The arbitrary disclosed rod iron end heading die of example four, but the outer edge of rod iron end heading die is defined, The rod iron end heading die that the outer in section is rounded is selected.The interior external force that rod iron end heading die is subject to can be more Uniformly, facilitate to protect rod iron end heading die.

Embodiment seven

This implementation discloses a kind of rod iron end upsetting apparatus, and as shown in Figure 15 and Figure 16, structure includes heading stick sheet Body 3, rod iron end heading die, workbench 7,8 and of Matched Molds oil cylinder being made of the first half module 411 and the second half module 412 Rod iron jumping-up oil cylinder 9；First half module 411 and the second half module 412 or so are relatively located at the workspace 711 of the workbench 7；Institute The driving end for stating Matched Molds oil cylinder 8 is connected with one in the first half module 411 or the second half module 412, drives the first half module 411 and second half module 412 molding.

In the present embodiment, rod iron end upsetting apparatus further includes rod iron jumping-up oil cylinder 9；The installation of rod iron jumping-up oil cylinder 9 is solid It is scheduled on the bottom of the workspace 711 of workbench 7, rod iron jumping-up oil cylinder 9 is in the rear end of rod iron end heading die, heading stick sheet The connector of the stick inner core 311 of body 3 is coaxially connected with the driving end of rod iron jumping-up oil cylinder 9, and the rod iron axis hole upsetting of stick inner core 311 goes out The rod iron extrusion head of head and stick housing 312 is protruded into simultaneously under the driving of rod iron jumping-up oil cylinder 9 by one of rod iron heading forming cavity 2 Rod iron end of the punching press in rod iron heading forming cavity 2 is with upset and pore-forming.Specifically, at the driving end of rod iron jumping-up oil cylinder 9 Heading stick ontology 3 is pushed, the rod iron axis hole upsetting of stick inner core 311 is lifted one's head and the rod iron extrusion head of stick housing 312 together extruded rod End to be upsetting, later, the interference fit of stick inner core 311 and stick housing 312 release, and the rod iron axis hole upsetting of stick inner core 311 goes out Head can be mobile away from 312 direction of stick housing under the driving of axial force, the rod iron axis hole upsetting of stick inner core 311 lift one's head pass through to It is mobile to be stamped and formed out axis hole far from 312 direction of stick housing, realize rod iron to be upsetting on the whole and be first extruded compacting, then Punching press pore-forming.

Only the most preferred embodiment of the utility model is described above, but is not to be construed as the limit to claim System.The utility model is not limited only to above embodiments, all made in the protection scope of the utility model independent claims Various change is within the protection scope of the present utility model.

Claims (10)

1. a kind of rod iron end jumping-up stick, it includes heading stick ontology (3)；It is characterized by:

Heading stick ontology (3) includes stick inner core (311) and is interference fitted in the stick housing (312) of stick inner core (311) outside；

One of stick inner core (311) is that the upsetting of rod iron axis hole is lifted one's head, and the other end of stick inner core (311) is provides mechanism phase with axial force Connector even, one of stick housing (312) are rod iron extrusion head；

The rod iron axis hole upsetting of stick inner core (311), which is lifted one's head, to be exposed at outside the rod iron extrusion head of stick housing (312), also, stick housing (312) Rod iron extrusion head offset and squeeze in the end to be upsetting with rod iron after, the rod iron axis hole upsetting of stick inner core (311) is lifted one's head It can be mobile away from stick housing (312) direction under the driving of axial force.

2. a kind of rod iron end jumping-up stick according to claim 1, it is characterised in that:

The rod iron axis hole upsetting of stick inner core (311) is lifted one's head for undergauge head.

3. a kind of rod iron end upsetting apparatus, it is characterised in that: it includes

Rod iron end heading die is located on workbench (7) comprising the first half module (411) of mould is molded and divided under driving With the second half module (412)；

Rod iron heading forming cavity (2) is formed in the rod iron end after the first half module (411) and the second half module (412) molding In heading die, also, its both ends is connected to rod iron end heading die outside respectively；

With heading stick ontology (3) described in claim 1, it is located at outside the heading die of rod iron end, stick inner core (311) and stick housing (312) simultaneously rod iron end of the punching press in rod iron heading forming cavity (2) is protruded by one of rod iron heading forming cavity (2) under driving Head is with upset and pore-forming.

4. a kind of rod iron end upsetting apparatus according to claim 3, it is characterised in that:

First half module (411) is equipped with the first rod iron heading forming tank (611,611'), sets on second half module (412) There is the second rod iron heading forming tank (612,612')；

After the first half module (411) and the second half module (412) molding, the first rod iron heading forming tank (611,611') and the second steel Stick heading forming tank (612,612') constitutes rod iron heading forming cavity (2).

5. a kind of rod iron end upsetting apparatus according to claim 4, it is characterised in that:

It is additionally provided with the first rod iron clamping slot (511) on first half module (411), the one of the first rod iron clamping slot (511) It is connected to outside head and rod iron end heading die, other end and the first rod iron heading forming tank (611,611') penetrate through；

It is additionally provided with the second rod iron clamping slot (512) on second half module (412), the one of the second rod iron clamping slot (512) It is connected to outside head and rod iron end heading die, other end and the second rod iron heading forming tank (612,612') penetrate through；

The first rod iron clamping slot (511) and the second rod iron clamping slot (512) are in the first half module (411) and the second half module (412) rod iron that mold is constituted after molding clamps chamber (1), and the rod iron heading forming cavity (2) and rod iron clamping chamber (1) are coaxial Perforation.

6. a kind of rod iron end upsetting apparatus according to claim 5, it is characterised in that:

The chamber diameter of rod iron heading forming cavity (2) is greater than the chamber diameter that rod iron clamps chamber (1)；The rod iron heading forming cavity (2) and steel Stick clamp chamber (1) connection that be in the mistake for clamping chamber (1) direction gradually undergauge towards rod iron by rod iron heading forming cavity (2) Cross section (211).

7. a kind of rod iron end upsetting apparatus according to claim 5, it is characterised in that:

The chamber diameter of rod iron heading forming cavity (2) is greater than the chamber diameter that rod iron clamps chamber (1)；The rod iron heading forming cavity (2) and steel That of the connection of stick clamping chamber (1) forms pressure-bearing platform.

8. a kind of rod iron end upsetting apparatus according to claim 3, it is characterised in that: rod iron end upsetting apparatus It further include Matched Molds oil cylinder (8)；

One in first half module (411) or the second half module (412) is fixed on the workbench (7)；

The driving end of the Matched Molds oil cylinder (8) and another phase in the first half module (411) or the second half module (412) Even, first half module (411) and the second half module (412) are opposite up and down.

9. a kind of rod iron end upsetting apparatus according to claim 3, it is characterised in that: rod iron end upsetting apparatus It further include Matched Molds oil cylinder (8)；

First half module (411) and the second half module (412) left and right are relatively located on the workbench (7)；

The driving end of the Matched Molds oil cylinder (8) is connected with one in the first half module (411) or the second half module (412), It drives the molding of the first half module (411) and the second half module (412) and divides mould.

10. a kind of rod iron end upsetting apparatus according to claim 3, it is characterised in that: rod iron end jumping-up dress Setting further includes rod iron jumping-up oil cylinder (9)；The rod iron jumping-up oil cylinder (9) is fixed on the workbench (7), heading stick sheet The connector of the stick inner core (311) of body (3) is coaxially connected with the driving end of rod iron jumping-up oil cylinder (9), the rod iron of stick inner core (311) Axis hole upsetting is lifted one's head with the rod iron extrusion head of stick housing (312) under the driving of rod iron jumping-up oil cylinder (9) by rod iron heading forming cavity (2) one protrudes into and rod iron end of the punching press in rod iron heading forming cavity (2) is with upset and pore-forming.