阅读说明：本技术 一种锂电池盖帽冲剪成型装置 (Lithium battery cap punching shear forming device ) 是由 占志辉 于 2021-07-29 设计创作，主要内容包括：本发明涉及一种成型装置,尤其涉及一种锂电池盖帽冲剪成型装置。针对现有技术的不足需要提供一种减少人工操作,可长时间工作的锂电池盖帽冲剪成型装置。技术方案如下：一种锂电池盖帽冲剪成型装置,包括有底板、外壳、气缸缸体、第一支撑架、气缸伸缩杆和冲压头,底板顶部中间设有外壳,外壳一侧设有第一支撑架,第一支撑架与外壳顶部之间连接有气缸缸体,气缸缸体上设有气缸伸缩杆,气缸伸缩杆底部设有冲压头。通过设置的脱料机构可避免盖帽卡在冲压头上需人工剥落；通过设置的储料机构便于进行上料工作。(The invention relates to a forming device, in particular to a lithium battery cap punching and shearing forming device. The lithium battery cap punching and shearing forming device capable of reducing manual operation and working for a long time is needed to overcome the defects in the prior art. The technical scheme is as follows: the utility model provides a lithium cell block is towards cutting forming device, is equipped with the shell including bottom plate, shell, cylinder body, first support frame, cylinder telescopic link and punching press head in the middle of the bottom plate top, and shell one side is equipped with first support frame, is connected with the cylinder body between first support frame and the shell top, is equipped with the cylinder telescopic link on the cylinder body, and cylinder telescopic link bottom is equipped with the punching press head. The cover cap can be prevented from being clamped on the stamping head and needing manual stripping through the arranged stripping mechanism; the feeding work is convenient to carry out through the storage mechanism who sets up.)

1. A punching shear forming device for lithium battery caps is characterized by comprising a bottom plate (1), a shell (2), a cylinder body (3), a first support frame (4), a cylinder telescopic rod (5), a punching head (6), a placing platform (7), a forming head (8), a first spring (9), a stripping mechanism (10) and a storage mechanism (11), wherein the shell (2) is arranged in the middle of the top of the bottom plate (1), the first support frame (4) is arranged on one side of the shell (2), the cylinder body (3) is connected between the first support frame (4) and the top of the shell (2), the cylinder telescopic rod (5) is arranged on the cylinder body (3), the punching head (6) is arranged at the bottom of the cylinder telescopic rod (5), the placing platform (7) is arranged in the middle of the shell (2), the forming head (8) is arranged in the placing platform (7) in a sliding manner, the first spring (9) is connected between the forming head (8) and the placing platform (7), a stripping mechanism (10) is connected between the first support frame (4) and the stamping head (6), and a storage mechanism (11) is arranged on one side of the top of the bottom plate (1).

2. The lithium battery cap punching and shearing forming device according to claim 1, wherein the stripping mechanism (10) comprises a first mounting block (101), a stripping rod (102), a second spring (103) and a first collision rod (104), the stripping rod (102) is arranged in the stamping head (6) in a sliding manner, the first mounting block (101) is arranged at the top of the stripping rod (102), the second spring (103) is connected between the first mounting block (101) and the stamping head (6), and the first collision rod (104) is symmetrically arranged at the bottom of the first support frame (4).

3. The lithium battery cap punching and shearing forming device according to claim 2, wherein the material storage mechanism (11) comprises a second support frame (111), bolts (112), belt wheels (113), a third support frame (114) and material guide wheels (115), the second support frame (111) is symmetrically arranged on one side of the bottom plate (1), the belt wheels (113) are respectively arranged on the second support frame (111), the belt wheels (113) are respectively arranged on the belt wheels (113) in a threaded manner, the bolts (112) are matched with the second support frame (111), the third support frame (114) is arranged on one side of the shell (2), and the third support frame (114) is rotatably provided with two material guide wheels (115).

4. The lithium battery cap punching and shearing forming device according to claim 3, further comprising a material receiving mechanism (12), wherein the material receiving mechanism (12) comprises a second impact block (121), a wedge block (122), a material receiving plate (123), slide bars (124), a fourth support frame (125), a third spring (126), a fifth support frame (127) and a stop block (128), the fourth support frame (125) is arranged on one side of the top of the bottom plate (1), the slide bars (124) are symmetrically arranged in the middle of the fourth support frame (125), the material receiving plate (123) is slidably connected between the slide bars (124), the fifth support frame (127) is connected between one sides of the slide bars (124), the fifth support frame (127) is connected with the shell (2), the two third springs (126) are connected between the material receiving plate (123) and the fifth support frame (127), the stop block (128) is arranged on one side in the shell (2), a second collision block (121) is arranged on the punching head (6), and wedge blocks (122) are symmetrically arranged on one side of the top of the material receiving plate (123).

5. The lithium battery cap punching and shearing forming device according to claim 4, further comprising a feeding mechanism (13), wherein the feeding mechanism (13) comprises a second mounting block (131), a ratchet bar (132), a fourth spring (133), a ratchet gear (134), a bevel gear (135), a rubber column (136), a transmission gear (137) and a sixth support frame (138), the second mounting block (131) is arranged on one side of the material receiving plate (123), the ratchet bar (132) is slidably arranged on the second mounting block (131), the two fourth springs (133) are connected between the ratchet bar (132) and the second mounting block (131), the ratchet gear (134) is rotatably arranged on one side in the housing (2), the sixth support frame (138) is symmetrically arranged on one side in the housing (2), the rubber column (136) is symmetrically connected between the sixth support frames (138), the transmission gear (137) is arranged on one side of the rubber column (136), the transmission gears (137) are meshed with each other, one side of the rubber column (136) on one side and the transmission shaft of the ratchet gear (134) are both provided with bevel gears (135), and the bevel gears (135) are meshed with each other.

6. The lithium battery cap punching and shearing forming device according to claim 5, further comprising a material returning mechanism (14), wherein the material returning mechanism (14) comprises seventh support frames (141), a material discharging plate (142), eighth support frames (143), a reel (144), a cam (145), a torsion spring (146), a wire guiding wheel (147) and a pull wire (148), the seventh support frames (141) are symmetrically arranged at the bottom of the fifth support frame (127), the material discharging plate (142) is rotatably connected between the seventh support frames (141), the eighth support frames (143) are symmetrically arranged at the top of the bottom plate (1), the cam (145) is rotatably connected between the eighth support frames (143), the torsion spring (146) is connected between the cam (145) and the eighth support frame (143) at one side, the reel (144) is arranged on a transmission shaft of the cam (145), the wire guiding wheel (147) is arranged on the transmission shaft of the material discharging plate (142), a pull wire (148) is connected between the material receiving plate (123) and the reel (144), and the pull wire (148) is wound on the wire guide wheel (147).

7. The lithium battery cap punching and shearing forming device according to claim 6, further comprising an anti-falling mechanism (15), wherein the anti-falling mechanism (15) comprises a ninth support frame (151), a one-way clutch (152), mounting columns (153), protruding columns (154) and a fifth spring (155), the ninth support frame (151) is symmetrically arranged at the front and back of one side of the middle part in the shell (2), the mounting columns (153) are rotatably connected between the ninth support frames (151), the one-way clutch (152) is connected between the mounting columns (153) and the ninth support frame (151), the plurality of protruding columns (154) are uniformly and slidably arranged in the mounting columns (153), and the fifth spring (155) is connected between the protruding columns (154) and the mounting columns (153).

8. The lithium battery cap punching and shearing forming device as recited in claim 6, wherein the pull wire (148) is a steel wire rope.

Technical Field

The invention relates to a forming device, in particular to a lithium battery cap punching and shearing forming device.

Background

The block of lithium cell can provide the battery and seal the function, provide safety valve's effect and play anodal conductive terminal's effect, when making lithium cell block, all put the iron sheet in the punching machine below at present, carry out the punching press to it afterwards, the block alright punching press and play, but this mode still needs the manual work to take off the good block of punching press from the punching press head, takes off the back and puts a new iron sheet again, so makes work efficiency slower, relies on the unable continuation of manual operation to work.

Therefore, the lithium battery cap punching and shearing forming device which reduces manual operation and can work for a long time needs to be designed.

Disclosure of Invention

Aiming at the defect that a stamped cap needs to be manually taken down from a stamping head, the lithium battery cap stamping and shearing forming device which reduces manual operation and can work for a long time needs to be provided.

In order to realize the purpose, the following technical scheme is adopted: the utility model provides a lithium cell block dashes cuts forming device, comprising a base plate, and a housing, the cylinder body, first support frame, the cylinder telescopic link, the punching press head, place the platform, the shaping head, first spring, take off material mechanism and storage mechanism, be equipped with the shell in the middle of the bottom plate top, shell one side is equipped with first support frame, be connected with the cylinder body between first support frame and the shell top, be equipped with the cylinder telescopic link on the cylinder body, cylinder telescopic link bottom is equipped with the punching press head, the shell middle part is equipped with place the platform, place the platform internal sliding type is equipped with the shaping head, be connected with first spring between shaping head and the place the platform, be connected with between first support frame and the punching press head and take off material mechanism, bottom plate top one side is equipped with storage mechanism.

In one embodiment, the stripping mechanism comprises a first mounting block, a stripping rod, a second spring and a first collision rod, the stripping rod is arranged in the stamping head in a sliding mode, the first mounting block is arranged at the top of the stripping rod, the second spring is connected between the first mounting block and the stamping head, and the first collision rod is symmetrically arranged at the bottom of the first support frame.

In one embodiment, the storage mechanism comprises a second support frame, bolts, belt wheels, a third support frame and guide wheels, the second support frame is symmetrically arranged on one side of the bottom plate, the belt wheels are arranged on the second support frame, the bolts are arranged on the belt wheels in a threaded mode and matched with the second support frame, the third support frame is arranged on one side of the shell, and the two guide wheels are arranged on the third support frame in a rotating mode.

In one embodiment, the material receiving mechanism further comprises a material receiving mechanism, the material receiving mechanism comprises a second collision block, a wedge block, a material receiving plate, slide rods, a fourth support frame, a third spring, a fifth support frame and a stop block, the fourth support frame is arranged on one side of the top of the bottom plate, the slide rods are symmetrically arranged in the middle of the fourth support frame, the material receiving plate is connected between the slide rods in a sliding mode, the fifth support frame is connected between one sides of the slide rods and connected with the shell, the two third springs are connected between the material receiving plate and the fifth support frame, the stop block is arranged on one side in the shell, the second collision block is arranged on the punching head, and the wedge block is symmetrically arranged on one side of the top of the material receiving plate.

In one embodiment, the feeding mechanism further comprises a second mounting block, a ratchet bar, a fourth spring, a ratchet wheel, a bevel gear, rubber columns, a transmission gear and a sixth support frame, the second mounting block is arranged on one side of the material receiving plate, the ratchet bar is slidably arranged on the second mounting block, the two fourth springs are connected between the ratchet bar and the second mounting block, the ratchet wheel is rotatably arranged on one side in the shell, the sixth support frame is symmetrically arranged on one side in the shell, the rubber columns are symmetrically and rotatably connected between the sixth support frames, the transmission gear is arranged on one side of each rubber column, the transmission gears are meshed with each other, the bevel gear is arranged on one side of each rubber column and on the transmission shaft of the ratchet wheel, and the bevel gears are meshed with each other.

In one embodiment, the wire drawing machine further comprises a material returning mechanism, the material returning mechanism comprises a seventh supporting frame, a blanking plate, an eighth supporting frame, a winding wheel, a cam, a torsion spring, a wire guiding wheel and a drawing wire, the seventh supporting frame is symmetrically arranged at the bottom of the fifth supporting frame, the blanking plate is rotatably connected between the seventh supporting frames, the eighth supporting frame is symmetrically arranged at the top of the bottom plate, the cam is rotatably connected between the eighth supporting frames, the torsion spring is connected between the cam and the eighth supporting frame on one side, the winding wheel is arranged on a cam transmission shaft, the wire guiding wheel is arranged on the blanking plate transmission shaft, the drawing wire is connected between the material receiving plate and the winding wheel, and the drawing wire is wound on the wire guiding wheel.

In one embodiment, the anti-falling mechanism is further included, the anti-falling mechanism comprises a ninth support frame, a one-way clutch, a mounting column, a convex column and a fifth spring, the ninth support frame is symmetrically arranged on one side of the middle portion in the shell in a front-back mode, the mounting column is rotatably connected between the ninth support frame, the one-way clutch is connected between the mounting column and the ninth support frame, the convex columns are uniformly and slidably arranged in the mounting column, and the fifth spring is connected between the convex columns and the mounting column.

In one embodiment, the pull wire is a steel wire rope.

The invention achieves the following effects: the cover cap can be prevented from being clamped on the stamping head and needing manual stripping through the arranged stripping mechanism; the feeding work is facilitated through the arranged material storage mechanism; the damage caused by the fact that the cover cap directly falls from an excessively high place can be avoided through the arranged material receiving mechanism; can need not artifical pulling iron sheet through the feed mechanism who sets up and remove, further use manpower sparingly.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a cross-sectional view of the present invention.

Fig. 3 is a perspective view of the basic claim of the present invention.

Fig. 4 is a schematic perspective view of the stripping mechanism of the present invention.

Fig. 5 is a schematic perspective view of the storing mechanism of the present invention.

Fig. 6 is a schematic perspective view of the receiving mechanism of the present invention.

Fig. 7 is a schematic perspective view of the feeding mechanism of the present invention.

Fig. 8 is a schematic perspective view of the material returning mechanism of the present invention.

Fig. 9 is a schematic perspective view of the tilting prevention mechanism of the present invention.

Fig. 10 is an exploded view of the fall arrest mechanism of the present invention.

Labeled as: 1-a bottom plate, 2-a shell, 3-a cylinder body, 4-a first support frame, 5-a cylinder telescopic rod, 6-a stamping head, 7-a placing platform, 8-a forming head, 9-a first spring, 10-a stripping mechanism, 101-a first mounting block, 102-a stripping rod, 103-a second spring, 104-a first collision rod, 11-a storage mechanism, 111-a second support frame, 112-a bolt, 113-a belt wheel, 114-a third support frame, 115-a guide wheel, 12-a receiving mechanism, 121-a second collision block, 122-a wedge block, 123-a receiving plate, 124-a slide rod, 125-a fourth support frame, 126-a third spring, 127-a fifth support frame, 128-a stop block and 13-a feeding mechanism, 131-a second mounting block, 132-a ratchet bar, 133-a fourth spring, 134-a ratchet wheel, 135-a bevel gear, 136-a rubber column, 137-a transmission gear, 138-a sixth support frame, 14-a material returning mechanism, 141-a seventh support frame, 142-a blanking plate, 143-an eighth support frame, 144-a reel, 145-a cam, 146-a torsion spring, 147-a wire guide wheel, 148-a wire pulling, 15-an anti-falling mechanism, 151-a ninth support frame, 152-a one-way clutch, 153-a mounting column, 154-a convex column and 155-a fifth spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

A lithium battery cap punching and shearing forming device, which is shown in figure 1, figure 2 and figure 3 and comprises a bottom plate 1, a shell 2, a cylinder body 3, a first supporting frame 4 and a cylinder telescopic rod 5, punching press head 6, place the platform 7, the shaping head 8, first spring 9, take off material mechanism 10 and storage mechanism 11, be equipped with shell 2 in the middle of 1 top of bottom plate, 2 upsides of shell are equipped with first support frame 4, be connected with cylinder body 3 between 2 tops of first support frame 4 and shell, be equipped with cylinder telescopic link 5 on the cylinder body 3, 5 bottoms of cylinder telescopic link are equipped with punching press head 6, 2 middle parts of shell are equipped with place the platform 7, place the platform 7 internal sliding type is equipped with shaping head 8, be connected with first spring 9 between shaping head 8 and the place the platform 7, be connected with between first support frame 4 and the punching press head 6 and take off material mechanism 10, 1 top right side of bottom plate is equipped with storage mechanism 11.

Referring to fig. 4, the stripping mechanism 10 includes a first mounting block 101, a stripping rod 102, a second spring 103 and a first collision rod 104, the stripping rod 102 is slidably disposed in the stamping head 6, the first mounting block 101 is disposed on the top of the stripping rod 102, the second spring 103 is connected between the first mounting block 101 and the stamping head 6, and the first collision rods 104 are symmetrically disposed at the front and back of the bottom of the first support frame 4.

Referring to fig. 5, the storage mechanism 11 includes a second support frame 111, a bolt 112, a belt wheel 113, a third support frame 114 and guide wheels 115, the second support frame 111 is symmetrically arranged on the right side of the bottom plate 1 in front and back, the belt wheel 113 is placed on the second support frame 111, the bolt 112 is threaded on the belt wheel 113, the bolt 112 is matched with the second support frame 111, the third support frame 114 is arranged on the right side of the housing 2, and the third support frame 114 is rotatably provided with two guide wheels 115.

When the cap of the lithium battery needs to be manufactured, a worker can firstly rotate the bolt 112 away from the belt wheel 113, then put the coiled iron sheet between the belt wheels 113, then put the belt wheel 113 on the second support frame 111, rotate the bolt 112 back to the belt wheel 113, so that the belt wheel 113 is fixed by matching with the second support frame 111, one end of the iron sheet can be pulled to move, meanwhile, the guide wheel 115 is bypassed, so that the iron sheet is positioned above the forming head 8, then, the iron sheet can be stopped from being pulled to move, the worker can start the cylinder body 3 to work, so that the punching head 6 can be driven to move downwards through the cylinder telescopic rod 5, the punching head 6 moves downwards and also drives the upper part of the punching head to move together, when the punching head 6 moves to be in contact with the iron sheet, so that a lithium battery cap can be punched under the matching action of the forming head 8, the first spring 9 can play a buffering role, and then the cylinder telescopic rod 5 can be controlled to move upwards, the punching head 6 can be moved upwards, at the moment, the working personnel can also pull the iron sheet to move a certain distance leftwards at the same time, the punched lithium battery cap can move along with the punching oil, the punch head 6 continues to move when the first mounting block 101 moves into contact with the first collision bar 104, so that the stripping rod 102 moves downwards, the second spring 103 is compressed, the stripping rod 102 moves downwards to eject the cap out of the stamping head 6 and drop on the bottom plate 1, then the cylinder telescopic rod 5 can be controlled to move downwards again, at the moment, the stripping rod 102 moves and resets under the action of the second spring 103, the cap manufacturing work can be carried out again, and the cylinder telescopic rod 5 is repeatedly and continuously lowered and raised, meanwhile, lithium battery caps can be continuously manufactured under the cooperation of workers, the cylinder body 3 of the air cylinder is stopped to work, and the caps on the bottom plate 1 are collected.

Example 2

On the basis of embodiment 1, referring to fig. 6, the material receiving device 12 further includes a material receiving mechanism 12, the material receiving mechanism 12 includes a second impact block 121, a wedge block 122, a material receiving plate 123, slide rods 124, a fourth support frame 125, third springs 126, a fifth support frame 127 and a stop block 128, the fourth support frame 125 is disposed on the rear side of the top of the bottom plate 1, the slide rods 124 are disposed in the middle of the fourth support frame 125 in a bilateral symmetry manner, the material receiving plate 123 is slidably connected between the slide rods 124, the fifth support frame 127 is connected between the front sides of the slide rods 124, the fifth support frame 127 is connected to the housing 2, the two third springs 126 are connected between the material receiving plate 123 and the fifth support frame 127, the stop block 128 is disposed on the rear side of the middle portion in the housing 2, the second impact block 121 is disposed on the punching head 6, and the wedge blocks 122 are disposed in the front side of the top of the material receiving plate 123 in a bilateral symmetry manner.

The cap that drops can drop earlier on connecing flitch 123, the punching press head 6 moves down and drives second impact piece 121 downstream, second impact piece 121 moves down and drives wedge 122 and connect flitch 123 rearward movement, third spring 126 is stretched, can block the cap to move under the effect of dog 128 this moment, thereby the cap can drop on bottom plate 1, thereby can avoid the cap directly to drop from the too high place and cause the harm, after punching press head 6 rebound drives second impact piece 121 rebound, wedge 122 and connect flitch 123 to move forward and reset under the effect of third spring 126.

Referring to fig. 7, the feeding mechanism 13 further includes a feeding mechanism 13, the feeding mechanism 13 includes a second mounting block 131, a ratchet bar 132, a fourth spring 133, a ratchet wheel 134, a bevel gear 135, a rubber column 136, a transmission gear 137 and a sixth support frame 138, the second mounting block 131 is disposed on the right rear side of the material receiving plate 123, the ratchet bar 132 is slidably disposed on the second mounting block 131, two fourth springs 133 are connected between the ratchet bar 132 and the second mounting block 131, the ratchet wheel 134 is rotatably disposed on the right side in the housing 2, the sixth support frames 138 are symmetrically disposed on the front and rear sides of the right side in the housing 2, the rubber column 136 is rotatably connected between the sixth support frames 138, the transmission gear 137 is disposed on the front side of the rubber column 136, the transmission gear 137 is engaged with each other, the bevel gear 135 is disposed on the rear side of the rubber column 136 on the upper side and a transmission shaft of the ratchet wheel 134, and the bevel gear 135 is engaged with each other.

The staff can pass the iron sheet between the rubber columns 136 first, the material receiving plate 123 moves backwards to drive the ratchet bar 132 to move backwards, the ratchet gear 134 is not driven to rotate at the moment, the ratchet bar 132 moves upwards, the fourth spring 133 is compressed, the ratchet bar 132 can move downwards to reset under the action of the fourth spring 133 after not contacting with the ratchet gear 134, the material receiving plate 123 moves forwards to drive the ratchet bar 132 to move forwards, the ratchet gear 134 can be driven to rotate, the ratchet gear 134 rotates to drive the upper rubber column 136 to rotate through the bevel gear 135, the lower rubber column 136 can be driven to rotate through the transmission gear 137, and the rubber column 136 rotates to drive the iron sheet to move leftwards, so that the iron sheet does not need to be pulled manually to move, and labor is further saved.

Referring to fig. 8, the feeding device further includes a feeding mechanism 14, the feeding mechanism 14 includes a seventh support frame 141, a feeding plate 142, an eighth support frame 143, a winding wheel 144, a cam 145, a torsion spring 146, a wire guiding wheel 147 and a pull wire 148, the seventh support frame 141 is symmetrically arranged at the bottom of the fifth support frame 127 in the left-right direction, the feeding plate 142 is rotatably connected between the seventh support frames 141, the eighth support frame 143 is symmetrically arranged at the top of the bottom plate 1 in the left-right direction, the cam 145 is rotatably connected between the eighth support frames 143, the torsion spring 146 is connected between the cam 145 and the eighth support frame 143 on the right side, the winding wheel 144 is arranged on a transmission shaft of the cam 145, the wire guiding wheel 147 is arranged on a transmission shaft of the feeding plate 142, the pull wire 148 is connected between the receiving plate 123 and the winding wheel 144, and the pull wire 148 is wound on the wire guiding wheel 147.

The receiving plate 123 moves backwards to pull the reel 144 to rotate through the pull wire 148, so as to drive the cam 145 to rotate, the torsion spring 146 deforms, when the receiving plate 123 moves forwards to reset, the cam 145 can rotate to reset under the action of the torsion spring 146, the cam 145 rotates and can enable the blanking plate 142 to swing continuously under the action of gravity, caps falling from the receiving plate 123 can fall on the blanking plate 142 and can fall forwards, a worker can place a collecting frame on the front side of the bottom plate 1, meanwhile, the blanking plate 142 can swing continuously to enable the caps to slide smoothly, the caps can slide in the collecting frame, and the direct falling height of the caps is further reduced.

Referring to fig. 9 and 10, the tilting prevention mechanism 15 is further included, the tilting prevention mechanism 15 includes a ninth support frame 151, a one-way clutch 152, a mounting column 153, a protruding column 154 and a fifth spring 155, the ninth support frame 151 is symmetrically arranged in the housing 2 in front and at the back of the left side of the middle portion, the mounting column 153 is rotatably connected between the ninth support frame 151, the one-way clutch 152 is connected between the mounting column 153 and the ninth support frame 151, a plurality of protruding columns 154 are uniformly and slidably arranged in the mounting column 153, and the fifth spring 155 is connected between the protruding columns 154 and the mounting column 153.

A hole can be left in the iron sheet after the punching press, can inwards move on erection column 153 when projection 154 and iron sheet contact, fifth spring 155 is compressed, when projection 154 was in the position in hole, projection 154 alright outwards move in downthehole under fifth spring 155's effect, when punching press head 6 upwards moved still drive iron sheet upward movement, at this moment under projection 154 and one-way clutch 152's effect, alright avoid erection column 153 can the antiport, thereby can block the position of iron sheet, avoid the iron sheet to the right side to back up.

Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes should fall within the scope of the claims of the present invention.