CN216263011U - Pull-down punch press - Google Patents
Pull-down punch press Download PDFInfo
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- CN216263011U CN216263011U CN202122413776.4U CN202122413776U CN216263011U CN 216263011 U CN216263011 U CN 216263011U CN 202122413776 U CN202122413776 U CN 202122413776U CN 216263011 U CN216263011 U CN 216263011U
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- pull
- crankshaft
- lathe bed
- sliding block
- upper sliding
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Abstract
The utility model provides a pull-down punch press, which comprises a press body, a pull-down driving mechanism and an upper sliding block, wherein the press body is provided with a press head; the upper sliding block is arranged above the lathe bed; the pull-down driving mechanism is arranged in the lathe bed and is used for driving the upper sliding block to move up and down; the pull-down driving mechanism comprises a driving device and a crankshaft; the crankshaft is rotationally connected in the lathe bed; two eccentric parts are arranged on the crankshaft; the driving device is arranged on the lathe bed, and the power output end of the driving device is connected with the crankshaft; the upper sliding block is connected with two pulling plates through a guide pillar; the two pulling plates are respectively and correspondingly arranged above the two eccentric parts; the two pulling plates are respectively connected with the eccentric part below the pulling plates through crank connecting rods; the double-crank connecting rod is connected with the guide post through the corresponding pull plate, so that the upper sliding block is driven to move up and down, the length of the guide post is shortened, the structure is simplified, the overall weight is reduced, the inertia force is reduced, and the machining precision is improved.
Description
Technical Field
The utility model relates to the technical field of punching machines, in particular to a pull-down type punching machine.
Background
The conventional pull-down punch press is generally of a single eccentric part connecting rod structure, for example, a shockproof high-speed precision pull-down punch press of patent No. CN113000658A, the single eccentric part drives a pulling plate below the eccentric part to move through two rods of the eccentric part, and the pulling plate drives an upper sliding block to move through a pulling rod, so that the structure is complex, the whole weight is heavy, the inertia force is large, the machining precision is low, and therefore, the improvement is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a pull-down type punch press to solve the problems mentioned in the background technology.
In order to achieve the above purpose, the utility model provides the following technical scheme:
a pull-down punch comprises a punch body, a pull-down driving mechanism and an upper sliding block; the upper sliding block is arranged above the lathe bed; the pull-down driving mechanism is arranged in the lathe bed and is used for driving the upper sliding block to move up and down; the method is characterized in that: the pull-down driving mechanism comprises a driving device and a crankshaft; the crankshaft is rotationally connected in the lathe bed; two eccentric parts are arranged on the crankshaft; the driving device is arranged on the lathe bed, and the power output end of the driving device is connected with the crankshaft; the upper sliding block is connected with two pulling plates through a guide pillar; the two pulling plates are respectively and correspondingly arranged above the two eccentric parts; the two pulling plates are respectively connected with the eccentric part below the pulling plates through crank connecting rods.
For further description of the present invention, the crank link includes a pull rod and a crank attachment; the crank connecting piece is arranged on the eccentric part of the crankshaft; the upper end of the pull rod is connected with the pull plate, and the lower end of the pull rod is connected with the crank connecting piece.
For further description of the present invention, a balance weight is installed at the middle of the crankshaft.
The utility model is further described, the left side and the right side in the lathe bed are respectively provided with a mounting hole, and a supporting rib is respectively arranged between the corresponding balance block and the eccentric part in the lathe bed; two ends of the crankshaft are respectively connected with the mounting holes through first bearings; the crankshaft is connected with the support ribs through second bearings.
The utility model has the beneficial effects that:
the double-crank connecting rod is connected with the guide post through the corresponding pull plate, so that the upper sliding block is driven to move up and down, the length of the guide post is shortened, the structure is simplified, the overall weight is reduced, the inertia force is reduced, the machining precision is improved, meanwhile, the dynamic balance device can be arranged in a space due to the layout structure, the equipment can be kept stable during high-speed stamping, and the machining quality of products is guaranteed.
Drawings
Fig. 1 is an overall structural view of the present invention.
Fig. 2 is a side view of the present invention.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
as shown in fig. 1-2, a pull-down type press comprises a bed 1, a pull-down driving mechanism 2 and an upper slide block 3; the upper sliding block 3 is arranged above the lathe bed 1; the pull-down driving mechanism 2 is arranged in the lathe bed 1 and is used for driving the upper sliding block 3 to move up and down; the pull-down driving mechanism 2 comprises a driving device 21 and a crankshaft 22; the crankshaft 22 is rotatably connected in the lathe bed 1; two eccentric parts 221 are arranged on the crankshaft 22; the driving device 21 is arranged on the lathe bed 1, and the power output end is connected with the crankshaft 22 through a flywheel and a clutch; the bottom of the upper sliding block 3 is connected with two pulling plates 32 through guide posts 31; the two pulling plates 32 are respectively corresponding to the upper parts of the two eccentric parts 221; the two pulling plates 32 are respectively connected with an eccentric part 221 below the pulling plates through a crank connecting rod 4; the driving device 21 drives the crankshaft 22 to rotate, the eccentric part structure 221 is adopted for driving, the stability is improved, the pulling plate 32 is arranged above the crankshaft 22, the pulling plate 32 is directly driven to move up and down by the rotation of the crankshaft 22, the pulling plate 32 drives the upper sliding block 3 to move up and down through the guide pillar 31, the length of the guide pillar 31 is shortened by the arrangement, the structure is simplified, the whole weight is lightened, the inertia force is reduced, and the processing precision is improved.
The crank connecting rod 424 comprises a pull rod 42 and a crank connecting piece 41; the crank connecting piece 41 is mounted on the eccentric part 221 of the crankshaft 22; the upper end of the pull rod 42 is connected with the pull plate 32, and the lower end is connected with the crank connecting piece 41.
The middle part of the crankshaft 22 is provided with a balance weight 5, the balance weight 5 is arranged between the two eccentric parts 221, and the motion stability of the crankshaft 22 can be improved by additionally arranging the balance weight 5.
Mounting holes are respectively formed in the left side and the right side of the inside of the lathe bed 1, and supporting ribs 11 are respectively arranged between the corresponding balance blocks 5 and the eccentric parts 221 in the lathe bed 1; two ends of the crankshaft 22 are respectively connected with the mounting holes through first bearings 6; the crankshaft 22 is connected with the support ribs 11 through the second bearing 7, so that the stability of the crankshaft 22 during operation is improved.
The working principle of the embodiment is as follows:
the crankshaft 22 is driven to rotate by the driving device 21, the eccentric part 221 on the crankshaft 22 rotates around the center of the crankshaft 22, so that the pulling plate 32 is driven to move up and down by the crank connecting rod 424, the pulling plate 32 pulls the upper slide block 3 to move up and down by the guide pillar, and after the punching work is completed by the downward movement, the upward movement is reset, and a punching process is completed.
The double-crank connecting rod is connected with the guide post through the corresponding pull plate, so that the upper sliding block is driven to move up and down, the length of the guide post is shortened, the structure is simplified, the overall weight is reduced, the inertia force is reduced, the machining precision is improved, meanwhile, the dynamic balance device can be arranged in a space due to the layout structure, the equipment can be kept stable during high-speed stamping, and the machining quality of products is guaranteed.
The above description is not intended to limit the technical scope of the present invention, and any modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention still fall within the technical scope of the present invention.
Claims (4)
1. A pull-down punch comprises a punch body, a pull-down driving mechanism and an upper sliding block; the upper sliding block is arranged above the lathe bed; the pull-down driving mechanism is arranged in the lathe bed and is used for driving the upper sliding block to move up and down; the method is characterized in that: the pull-down driving mechanism comprises a driving device and a crankshaft; the crankshaft is rotationally connected in the lathe bed; two eccentric parts are arranged on the crankshaft; the driving device is arranged on the lathe bed, and the power output end of the driving device is connected with the crankshaft; the upper sliding block is connected with two pulling plates through a guide pillar; the two pulling plates are respectively and correspondingly arranged above the two eccentric parts; the two pulling plates are respectively connected with the eccentric part below the pulling plates through crank connecting rods.
2. The pull-down type punch press according to claim 1, wherein: the crank connecting rod comprises a pull rod and a crank connecting piece; the crank connecting piece is arranged on the eccentric part of the crankshaft; the upper end of the pull rod is connected with the pull plate, and the lower end of the pull rod is connected with the crank connecting piece.
3. The pull-down type punch press according to claim 1, wherein: and the middle part of the crankshaft is provided with a balance block.
4. A pull-down type punch press according to claim 3, wherein: mounting holes are respectively formed in the left side and the right side of the inside of the lathe bed, and supporting ribs are respectively arranged between the corresponding balance blocks and the eccentric parts in the lathe bed; two ends of the crankshaft are respectively connected with the mounting holes through first bearings; the crankshaft is connected with the support ribs through second bearings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122413776.4U CN216263011U (en) | 2021-10-08 | 2021-10-08 | Pull-down punch press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122413776.4U CN216263011U (en) | 2021-10-08 | 2021-10-08 | Pull-down punch press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216263011U true CN216263011U (en) | 2022-04-12 |
Family
ID=81067368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122413776.4U Active CN216263011U (en) | 2021-10-08 | 2021-10-08 | Pull-down punch press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216263011U (en) |
-
2021
- 2021-10-08 CN CN202122413776.4U patent/CN216263011U/en active Active
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