CN107962143B - Pin shaft heading machine - Google Patents
Pin shaft heading machine Download PDFInfo
- Publication number
- CN107962143B CN107962143B CN201711267341.5A CN201711267341A CN107962143B CN 107962143 B CN107962143 B CN 107962143B CN 201711267341 A CN201711267341 A CN 201711267341A CN 107962143 B CN107962143 B CN 107962143B
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- Prior art keywords
- thimble
- pin
- die
- clamping
- pin shaft
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- 230000009471 action Effects 0.000 claims abstract description 17
- 238000005520 cutting process Methods 0.000 claims description 16
- 238000001816 cooling Methods 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000001125 extrusion Methods 0.000 claims 1
- 230000007306 turnover Effects 0.000 abstract description 15
- 230000005484 gravity Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J9/00—Forging presses
- B21J9/02—Special design or construction
- B21J9/06—Swaging presses; Upsetting presses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/08—Accessories for handling work or tools
- B21J13/14—Ejecting devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/06—Making machine elements axles or shafts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
- Straightening Metal Sheet-Like Bodies (AREA)
Abstract
The invention discloses a pin shaft pier head machine which comprises a frame, wherein a driving device, a front thimble device, a material clamping turnover plate assembly, a pier head die device and a rear thimble device are arranged on the frame, the material clamping turnover plate assembly comprises a turnover plate device and a plurality of material clamping dies, mounting grooves are formed in the material clamping dies, the pier head die device is provided with through holes, the turnover plate device drives the material clamping dies to rotate so that the mounting grooves of the former material clamping dies correspond to the rear through holes of the pier head dies, and the front thimble device pushes a pin shaft to be processed to pass through the mounting grooves of the material clamping dies and the through holes of the pier head die device, and the rear thimble device is matched with the front thimble device to extrude the pin shaft. According to the invention, through the combined action of the plate turnover device, the front thimble device and the rear thimble device, the pin shaft to be processed enters the mounting groove of the next clamping die from the mounting groove of the previous clamping die, and finally is separated from the notch of the mounting groove of the last clamping die under the action of gravity, so that the automatic discharge of the pin shaft is realized.
Description
Technical Field
The invention belongs to the technical field of machining equipment, and particularly relates to a pin shaft heading machine.
Background
The pin shaft is a standardized fastener, can be fixedly connected in a static state and can also relatively move with a connected piece, is mainly used for the hinge joint of two parts to form hinge connection, is usually locked by a cotter pin, and is reliable in work and convenient to detach, such as a chain sheet and a chain.
The pin shaft needs to be subjected to heat treatment before processing, the processing can be performed after the hardness of the pin shaft is reduced, after the pin shaft is pressed, some pin shaft pier rivet devices in the current market are used, the pin shaft can be left in a die, the pin shaft needs to be taken out manually by means of a tool to press the next pin shaft, the operation is complex, the use is inconvenient, the production efficiency is low, and the production cost is high.
Disclosure of Invention
The invention aims to solve the technical problems that: the pin shaft heading machine can be used for heading a pin shaft for multiple times and automatically discharging the pin shaft.
The technical scheme adopted for solving the technical problems is as follows:
the utility model provides a round pin axle pier nose machine, which comprises a frame, install drive arrangement in the frame, preceding thimble device, press from both sides the material and turn over the board subassembly, pier nose mould device and back thimble device, press from both sides the material and turn over the board subassembly and include the board device and a plurality of clamp material moulds that set up side by side, press from both sides the mounting groove that the material mould device set up relatively and have a plurality of through-holes that set up with the mounting groove one-to-one of a plurality of clamp material moulds, it corresponds with the back through-hole of pier nose mould device to press from both sides the mounting groove of material mould device to turn over the board device drive clamp material mould rotation messenger preceding, preceding thimble device and back thimble device are reciprocating motion under drive arrangement's drive, preceding thimble device promotes the round pin axle that waits to process and passes the first mounting groove of first clamp material mould and the first through-hole of pier nose mould device in proper order, back thimble device gets into pier nose mould device's through-hole from the opposite side, and press from the action with the round pin axle that waits to process of preceding thimble device cooperation, the round pin axle that waits to process gets into the last die from the mounting groove of a clamp material mould device under the combined action of turning over the board device and back device, the last notch that the material that the axle that presss that the material was left from the mounting groove of clamp mould to break away from the final die.
Further, each clamping die before the last clamping die comprises two mounting blocks which are oppositely arranged, the two mounting blocks which are oppositely arranged are provided with sliding grooves with semicircular cross sections, the two sliding grooves with semicircular cross sections are matched to form a mounting groove, and the last clamping die comprises a mounting block with the semicircular cross sections.
Further, the number of the clamping molds is six, and the number of the through holes of the pier head mold device is six.
Further, the front thimble device comprises a front thimble support and a plurality of front thimbles fixedly mounted on the front thimble support, the plurality of front thimbles are in one-to-one correspondence with the mounting grooves of the plurality of clamping molds and are coaxially arranged, and the driving device drives the front thimble support to do linear reciprocating motion along the X axis through a crankshaft.
Further, the rear thimble device comprises a rear thimble support and a plurality of rear thimbles fixedly mounted on the rear thimble support, the plurality of rear thimbles are in one-to-one correspondence with a plurality of through holes of the pier head die device and are coaxially arranged, and the driving device drives the rear thimble support to do linear reciprocating motion along the X axis.
Further, the driving device drives the cutting tool to do linear reciprocating motion along the Y axis through the connecting rod device and the cutting cam, the pin roll material enters the pier head machine under the driving of the feeding device driven by the driving device, the pin roll material sequentially passes through the straightening roller and the feeding device which are arranged on the frame, the pin roll to be processed is cut off through the cutting tool, and the pin roll material enters the mounting groove of the first clamping die under the pushing of the front thimble device.
Further, the device also comprises a cooling system and a coil bracket, wherein the cooling system is arranged on the frame, a pin shaft material is wound on the coil bracket, and the driving device is a motor transmission system.
The beneficial effects of the invention are as follows: the pin shaft realizes multiple upsetting in a plurality of through holes of the pier head die device, so that a better upsetting effect is achieved; through the combined action of the plate turnover device, the front thimble device and the rear thimble device, a pin shaft to be processed enters the mounting groove of the next clamping die from the mounting groove of the previous clamping die, and finally is separated from the notch of the mounting groove of the last clamping die under the action of gravity, so that the automatic discharge of the pin shaft is realized.
Drawings
FIG. 1 is a schematic structural view of the pin heading machine;
FIG. 2 is an enlarged view of the nip mold of FIG. 1 at M in an initial state;
FIG. 3 is an enlarged view of the nip mold of FIG. 1 at M in the inverted state;
fig. 4 is a schematic structural view of the nip mold.
In the figure: the device comprises a frame 1, a driving device 2, a front thimble device 3, a front thimble bracket 3-1, a front thimble 3-2, a material clamping and turning plate assembly 4, a material clamping mold 4-1, a mounting groove 4-1-1, a mounting block 4-1-2, a pier head mold device 5, a through hole 5-1, a rear thimble device 6, a rear thimble bracket 6-1, a rear thimble bracket 6-2, a round-disc bracket 7, an 8 straightening roller, a feeding device 9, a crankshaft 10, a connecting rod device 11, a cutting cam 12, a cutting tool 13, a cooling system 14, a cooling bracket 14-1, an outlet 15 and a pin shaft 16.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, 2, 3 and 4, the pin shaft heading machine comprises a frame 1, wherein a driving device 2, a front thimble device 3, a material clamping turning plate assembly 4, a heading die device 5 and a rear thimble device 6 are arranged on the frame 1, and the driving device 2 is a motor transmission system. The cooling system 14 is mounted on a cooling bracket 14-1 fixed to the frame 1 for cooling the front thimble device 3 and the rear thimble device 6. The feeding device 9 is fixedly arranged on the inner side of the right end of the frame 1, the straightening roller 8 is fixedly arranged on the outer side of the right end of the frame 1, the motor transmission system drives the cutting tool 13 on the left side of the feeding device 9 to do linear reciprocating motion, the pin roll material is wound on the disc support 7 positioned on one side of the frame 1, the feeding device 9 drives the pin roll material to enter the pier head machine under the driving of the motor transmission system, the pin roll material sequentially passes through the straightening roller 8 and the feeding device 9 which are arranged on the frame 1, the pin roll 16 to be processed is cut off through the cutting tool 13, and the pin roll material enters the mounting groove 4-1-1 of the first clamping die 4-1 under the pushing of the front thimble device 3.
As shown in fig. 1, the motor transmission system drives the cutting cam 12 through the link device 11, the cutting tool 13 is driven by the cutting cam 12 to perform linear reciprocating motion along the Y axis, the cutting tool 13 advances (along the negative direction of the Y axis) to cut off the pin shaft material to form the pin shaft 16, and the pin shaft 16 enters the mounting groove 4-1-1 of the first material clamping die 4-1 under the pushing of the front ejector pin 3-2.
As shown in fig. 2 and 3, the front thimble device 3 includes a front thimble bracket 3-1 and a front thimble 3-2 fixedly mounted on the front thimble bracket 3-1, the motor transmission system drives the front thimble bracket 3-1 to perform linear reciprocating motion along the X axis through a crankshaft 10, the front thimble 3-2 is driven by the front thimble bracket 3-1 to move forward (along the positive direction of the X axis) or backward (along the negative direction of the X axis), and initially, the front thimble 3-2 is located at the left side of the clamping mold 4-1.
As shown in fig. 2 and 3, the rear thimble device 6 includes a rear thimble bracket 6-1 and a rear thimble 6-2 fixedly mounted on the rear thimble bracket 6-1, the rear thimble bracket 6-1 is driven by the motor transmission device to reciprocate linearly along the Y axis, the rear thimble 6-2 is driven by the rear thimble bracket 6-1 to advance (along the negative direction of the X axis) or retreat (along the positive direction of the X axis), and initially, the rear thimble 6-2 extends into the right end of the through hole 5-1 of the pier head die device 5.
As shown in fig. 2 and 3, the material clamping and turning plate assembly 4 comprises a turning plate device and six material clamping molds 4-1 arranged side by side, each material clamping mold 4-1 is provided with a mounting groove 4-1-1 matched with the diameter of the pin shaft 16, the pier head mold device 5 is arranged opposite to the material clamping mold 4-1 and is provided with six through holes 5-1 coaxially arranged in one-to-one correspondence with the mounting grooves 4-1-1 of the six material clamping molds 4-1, and the mounting grooves 4-1-1 on the six material clamping molds 4-1 correspond to the six through holes 5-1 on the pier head mold device 5 in the initial state. The uppermost clamping die 4-1 in fig. 2 and 3 is the first clamping die 4-1, and the uppermost through hole 5-1 of the pier head die means 5 is the first through hole 5-1. The six front ejector pins 3-2 are arranged on the left side of the material clamping die 4-1, the six front ejector pins 3-2 are in one-to-one correspondence with the mounting grooves 4-1-1 of the six material clamping dies 4-1 and are coaxially arranged, the six rear ejector pins 6-2 are arranged on the right end of the pier head die device 5, and the six rear ejector pins 6-2 are in one-to-one correspondence with the six through holes 5-1 of the pier head die device 5 and are coaxially arranged.
As shown in fig. 4, the first to fifth material clamping molds 4-1 are two opposite mounting blocks 4-1-2, the two mounting blocks 4-1-2 are matched with semicircular sliding grooves on adjacent sides of the two mounting blocks 4-1-2 to form a mounting groove 4-1-1, the sixth material clamping mold 4-1 is one mounting block 4-1-2 with a semicircular sliding groove on the cross section, and the pin shaft 16 can slide from an opening of the semicircular sliding groove of the mounting block 4-1-2 under the gravity.
At first, six clamping molds 4-1 are in an initial state, after the panel turnover drives the six clamping molds 4-1 to rotate 180 degrees anticlockwise, the six clamping molds 4-1 are in a turnover state, and then, after the panel turnover drives the six clamping molds 4-1 to rotate 180 degrees clockwise, the six clamping molds 4-1 are in an initial state again.
In the initial state, as shown in fig. 2, the right end of the mounting groove 4-1-1 of the first clamping mold 4-1 is in contact with the left end of the first through hole 5-1 of the pier head mold apparatus 5, the right end of the mounting groove 4-1-1 of the second clamping mold 4-1 is in contact with the left end of the second through hole 5-1 of the pier head mold apparatus 5, and so on, the right end of the mounting groove 4-1-1 of the sixth clamping mold 4-1 is in contact with the left end of the sixth through hole 5-1 of the pier head mold apparatus 5.
In the inverted state, as shown in fig. 3, the left end of the mounting groove 4-1-1 of the first clamping mold 4-1 is in contact with the left end of the second through hole 5-1 of the pier head mold apparatus 5, the left end of the mounting groove 4-1-1 of the second clamping mold 4-1 is in contact with the left end of the third through hole 5-1 of the pier head mold apparatus 5, and so on, the left end of the mounting groove 4-1-1 of the fifth clamping mold 4-1 is in contact with the left end of the sixth through hole 5-1 of the pier head mold apparatus 5.
Pressurizing action A: the front thimble 3-2 advances to push the pin 16 to be contacted with the rear thimble 6-2 extending into the through hole 5-1 of the pier head die device 5 until the end part of the pin 16 contacted with the rear thimble 6-2 is deformed to a certain extent, and then the front thimble 3-2 stops and retreats to an initial position; the rear thimble 6-2 advances to push the pin 16 until it leaves the through hole 5-1 of the pier head mold apparatus 5, and the rear thimble 6-2 stops and retreats to the initial position.
Overturning action B: the plate turnover device drives the material clamping die 4-1 to rotate 180 degrees anticlockwise, and the material clamping die 4-1 is in a turnover state; the front thimble 3-2 advances to push the pin 16 until the pin leaves the mounting groove 4-1-1 of the clamping die 4-1, and then the front thimble 3-2 stops and retreats to the original position; the plate turnover device drives the material clamping die 4-1 to rotate 180 degrees clockwise, and the material clamping die 4-1 is in an initial state.
The pin shaft 16 to be processed, which is formed by cutting by the cutting tool 13, is positioned between the first front thimble 3-2 and the first clamping die 4-1, and is pushed by the first front thimble 3-2 on the front thimble bracket 3-1 to sequentially enter the mounting groove 4-1-1 of the first clamping die 4-1 and the first through hole 5-1 on the pier head die device 5, and at the moment, the diameter of the pin shaft 16 is 9.5mm. Each pin 16 to be machined is subjected to the following six steps:
step one (right end mound flat): the pressurizing action A is carried out, and the rear thimble 6-2 in the first through hole 5-1 of the pier head die device 5 is used for upsetting the right end of the pin shaft 16.
Step two (left end mound flat): and (3) performing a overturning action B, wherein the clamping die 4-1 is in an initial state, then performing a pressurizing action A, and performing upsetting on the left end of the pin shaft 16 by the rear thimble 6-2 in the second through hole 5-1 of the pier head die device 5, wherein the diameter of the pin shaft 16 is 9.53mm.
Step three: (right end pier circle): the turning operation B is performed, then the pressurizing operation A is performed, and the rear thimble 6-2 in the third through hole 5-1 of the pier head mold device 5 performs the pier circle on the right end of the pin 16.
Step four (left end rounding): the left end of the pin 16 is rounded by the rear pin 6-2 in the fourth through hole 5-1 of the pier head mold device 5 by the turning operation B and then the pressing operation a, and the diameter of the pin 16 is 9.6mm.
Step five (one adjustment): the overturning operation B was performed, followed by the pressing operation a, at which time the diameter of the pin 16 was 9.7mm.
Step six (secondary adjustment): the overturning action B is carried out, then the pressurizing action A is carried out, the pin shaft 16 is positioned in the mounting groove 4-1-1 of the sixth clamping die 4-1, and falls into the slideway from the notch of the mounting groove 4-1-1 of the sixth clamping die 4-1 under the action of gravity and slides out from the outlet 15, and the diameter of the pin shaft 16 is 9.75mm.
Each pin 16 to be processed is subjected to six pressurizing actions including right end upsetting, left end upsetting, primary adjusting and secondary adjusting, and finally a 9.75mm finished product is obtained.
The above embodiments do not limit the scope of the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the above embodiments should be included in the scope of the present invention.
Claims (4)
1. The utility model provides a round pin axle pier nose machine which characterized in that: comprises a frame (1), wherein a driving device (2), a front ejector pin device (3), a material clamping and turning plate assembly (4), a pier head die device (5) and a rear ejector pin device (6) are arranged on the frame (1), the material clamping and turning plate assembly (4) comprises a turning plate device and a plurality of material clamping dies (4-1) which are arranged side by side, the material clamping dies (4-1) are provided with mounting grooves (4-1-1) matched with the outer diameter of a pin shaft (16) to be processed, the pier head die device (5) and the material clamping dies (4-1) are oppositely arranged and are provided with a plurality of through holes (5-1) which are coaxially arranged in one-to-one correspondence with the mounting grooves (4-1-1) of the plurality of material clamping dies (4-1), the turning plate device drives the material clamping dies (4-1) to rotate so that the mounting grooves (4-1-1) of the former material clamping dies (4-1) correspond to the rear through holes (5-1) of the pier head die device (5), the front ejector pin device (3) and the rear ejector pin device (6) are driven to reciprocate under the driving of the reciprocating motion of the pier device (2), the front thimble device (3) pushes a pin shaft (16) to be processed to sequentially pass through the mounting groove (4-1-1) of the first clamping die (4-1) and the first through hole (5-1) of the pier head die device (5), the rear thimble device (6) enters the through hole (5-1) of the pier head die device (5) from the other side and performs extrusion action on the pin shaft (16) to be processed in cooperation with the front thimble device (3), and the pin shaft (16) to be processed enters the mounting groove (4-1-1) of the next clamping die (4-1) from the mounting groove (4-1-1) of the next clamping die (4-1) under the combined action of the flap device, the front thimble device (3) and the rear thimble device (6), and finally is separated from a notch of the mounting groove (4-1-1) of the last clamping die (4-1);
each clamping die (4-1) in front of the last clamping die (4-1) comprises two opposite mounting blocks (4-1-2), two opposite mounting blocks (4-1-2) are provided with sliding grooves with semicircular cross sections, the two sliding grooves with semicircular cross sections are matched to form a mounting groove (4-1-1), and the last clamping die (4-1) comprises a mounting block (4-1-2) with a semicircular cross section;
the front thimble device (3) comprises a front thimble bracket (3-1) and a plurality of front thimbles (3-2) fixedly arranged on the front thimble bracket (3-1), the plurality of front thimbles (3-2) are in one-to-one correspondence with the mounting grooves (4-1-1) of the plurality of clamping molds (4-1) and are coaxially arranged, and the driving device (2) drives the front thimble bracket (3-1) to do linear reciprocating motion along an X axis through a crankshaft (10);
the rear thimble device (6) comprises a rear thimble support (6-1) and a plurality of rear thimbles (6-2) fixedly mounted on the rear thimble support (6-1), the rear thimbles (6-2) are in one-to-one correspondence with the through holes (5-1) of the pier head die device (5) and are coaxially arranged, and the driving device (2) drives the rear thimble support (6-1) to do linear reciprocating motion along the X axis.
2. The pin heading machine of claim 1, wherein: the number of the clamping molds (4-1) is six, and the number of the through holes (5-1) of the pier head mold device (5) is six.
3. The pin heading machine of claim 1, wherein: the driving device (2) drives the cutting tool (13) to do linear reciprocating motion along the Y axis through the connecting rod device (11) and the cutting cam (12), pin roll materials enter the pin roll pier head machine under the driving of the feeding device (9) driven by the driving device (2), the pin roll materials sequentially pass through the straightening roller (8) and the feeding device (9) which are arranged on the frame (1), the pin roll (16) to be processed is cut off through the cutting tool (13), and the pin roll materials enter the mounting groove (4-1-1) of the first material clamping die (4-1) under the pushing of the front thimble device (3).
4. The pin heading machine of claim 1, wherein: the novel cooling device is characterized by further comprising a cooling system (14) and a disc support (7), wherein the cooling system (14) is arranged on the frame (1), a pin shaft material is wound on the disc support (7), and the driving device (2) is a motor transmission system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711267341.5A CN107962143B (en) | 2017-12-05 | 2017-12-05 | Pin shaft heading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711267341.5A CN107962143B (en) | 2017-12-05 | 2017-12-05 | Pin shaft heading machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107962143A CN107962143A (en) | 2018-04-27 |
| CN107962143B true CN107962143B (en) | 2023-12-26 |
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ID=61999457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711267341.5A Active CN107962143B (en) | 2017-12-05 | 2017-12-05 | Pin shaft heading machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107962143B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115464084B (en) * | 2022-09-09 | 2023-06-06 | 浙江友信机械工业有限公司 | Multimode special part forming machine |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005169492A (en) * | 2003-12-10 | 2005-06-30 | Sakamura Mach Co Ltd | Multistage type heading forming machine |
| CN101172298A (en) * | 2007-10-12 | 2008-05-07 | 杨东佐 | Hammer down shaping apparatus |
| JP2008229671A (en) * | 2007-03-20 | 2008-10-02 | Ntn Corp | Die apparatus for forging |
| CN201186332Y (en) * | 2008-04-29 | 2009-01-28 | 东莞市金苗五金机械有限公司 | Multi-station bolt cold upsetting machine |
| CN103934340A (en) * | 2014-03-20 | 2014-07-23 | 潍柴重机股份有限公司 | Pipe end heading machine |
| CN204182847U (en) * | 2014-08-21 | 2015-03-04 | 苏明宗 | The cold-forging former clamping device that can automatically open and overturn |
| CN105880448A (en) * | 2014-09-03 | 2016-08-24 | 东莞市石西智能机器制造有限公司 | Wire rod upsetter with translation motion integrated main die assembly and work method thereof |
| CN207615598U (en) * | 2017-12-05 | 2018-07-17 | 江苏双菱链传动有限公司 | A kind of axis pin pier head machine |
-
2017
- 2017-12-05 CN CN201711267341.5A patent/CN107962143B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005169492A (en) * | 2003-12-10 | 2005-06-30 | Sakamura Mach Co Ltd | Multistage type heading forming machine |
| JP2008229671A (en) * | 2007-03-20 | 2008-10-02 | Ntn Corp | Die apparatus for forging |
| CN101172298A (en) * | 2007-10-12 | 2008-05-07 | 杨东佐 | Hammer down shaping apparatus |
| CN201186332Y (en) * | 2008-04-29 | 2009-01-28 | 东莞市金苗五金机械有限公司 | Multi-station bolt cold upsetting machine |
| CN103934340A (en) * | 2014-03-20 | 2014-07-23 | 潍柴重机股份有限公司 | Pipe end heading machine |
| CN204182847U (en) * | 2014-08-21 | 2015-03-04 | 苏明宗 | The cold-forging former clamping device that can automatically open and overturn |
| CN105880448A (en) * | 2014-09-03 | 2016-08-24 | 东莞市石西智能机器制造有限公司 | Wire rod upsetter with translation motion integrated main die assembly and work method thereof |
| CN207615598U (en) * | 2017-12-05 | 2018-07-17 | 江苏双菱链传动有限公司 | A kind of axis pin pier head machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107962143A (en) | 2018-04-27 |
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