CN107825754B - Pneumatic clamping cylinder for press machine moving platform - Google Patents
Pneumatic clamping cylinder for press machine moving platform Download PDFInfo
- Publication number
- CN107825754B CN107825754B CN201710984850.3A CN201710984850A CN107825754B CN 107825754 B CN107825754 B CN 107825754B CN 201710984850 A CN201710984850 A CN 201710984850A CN 107825754 B CN107825754 B CN 107825754B
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- piston
- seat
- base
- extension body
- cylinder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Sewing Machines And Sewing (AREA)
- Presses And Accessory Devices Thereof (AREA)
Abstract
The invention relates to a pneumatic clamping cylinder of a press machine moving platform. Including seat (4), seat (4) are fixed on the press base, be provided with the round hole that link up on seat (4), wear to be equipped with piston (2) in the round hole, still be provided with on seat (4) and extend to dog (7) in the round hole, dog (7) form right the stroke that is used for injecing piston (2) is blockked of piston (2). The whole mechanism seat is fixed on the press machine base, so that the maintenance is convenient, and the safety is greatly improved.
Description
Technical Field
The invention relates to the technical field of parts of a press machine, in particular to a pneumatic clamping cylinder device of a moving platform of the press machine.
Background
In the process of carrying out quick die change of press machine at mechanical press user, often can adopt one or two mobile workbench devices to shift out, move in, can apply certain power after guaranteeing mobile workbench falls down at every turn and fix, prevent that the mobile workbench from taking place to shift or jumping the phenomenon because of the punching press, influencing the life of lathe and mould, guarantee the quality of punching press spare part. The traditional mobile station oil cylinder clamping device is arranged in the base, so that the maintenance is difficult; when the sealing unit is damaged, oil leaks to pollute a machine tool and a customer site; maintenance personnel enter the machine tool foundation pit and have certain safety risk in maintenance.
Disclosure of Invention
The invention relates to a pneumatic clamping cylinder for a press machine moving table, which can realize the clamping of the moving table, is convenient to maintain and has no pollution and greatly improved safety.
In order to solve the technical problems, the invention adopts the following technical scheme: the hydraulic press comprises a base (4), wherein the base (4) is fixed on a press base, a through round hole is formed in the base (4), a piston (2) penetrates through the round hole, a stop block (7) extending into the round hole is further arranged on the base (4), and the stop block (7) forms a stop for the piston (2) and is used for limiting the stroke of the piston (2).
The part of the stop block (7) in the circular hole is arranged into an upward slightly convex circular arc.
The stopper (7) comprises a base body (71) fixedly arranged and an extension body (72) arranged on the base body (71) and positioned in the round hole, wherein the extension body (72) is movably connected to the base body (71) to adjust the stroke of the piston (2).
The extension body (72) is an eccentric convex block in an eccentric structure form, a through hole penetrating through the base body (71) is formed in the base body (71), and an operating rod (8) penetrates through the through hole and is connected with the extension body (72).
The operating rod (8) protrudes from the base body (71), and a fastening nut is arranged on the operating rod (8) in a screwed mode and abutted against the seat (4).
Be provided with and install cylinder mounting panel (3) on seat (4), be provided with cylinder (5) on cylinder mounting panel (3), cylinder (5) with piston (2) link together through the connecting piece.
The seat (4) is provided with a shield (1) for protecting electrical equipment.
The invention has the advantages that: 1) the whole mechanism seat is fixed on the press machine base, so that the maintenance is convenient, and the safety is greatly improved.
2) The invention adopts air as a power source, and eliminates the oil leakage and the pollution to a machine tool and a client site when the sealing unit embedded in the base of the oil pressure clamping cylinder of the traditional mobile platform is damaged.
3) The invention has simple structure, no high-pressure danger and low manufacturing cost.
4) The stop block structure provided by the invention can well limit the stroke of the piston and avoid the performance reduction caused by the over-stroke of the piston.
5) The stop block is arranged in the structural forms of the base body and the extending body, and the extending body is arranged in the structural form of adjustable position, so that the stroke of the piston is flexibly adjusted by adjusting the position of the extending body.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a side view of fig. 1 (with the extension curved slightly more for clarity).
Fig. 4 is an enlarged view of a portion a of fig. 3.
Fig. 5 is a schematic view of another structure form different from fig. 3.
In the drawings: 1 is a shield; 2 is a piston; 3 is a cylinder mounting plate; 4 is a seat; 5 is a cylinder; 6 is a screw; 7 is a stop block; 8 is an operating rod, 9 is a detection switch, and 10 is an air inlet and an air outlet;
the base 71 and the extension 72 are illustrated.
Detailed Description
The invention comprises a base 4, wherein the base 4 is fixed on a base of a press machine, a through round hole is formed in the base 4, a piston 2 penetrates through the round hole, a stop block 7 extending into the round hole is further arranged on the base 4, and the stop block 7 forms a stop for the piston 2 and is used for limiting the stroke of the piston 2.
The part of the stop dog 7 in the circular hole is arranged into an upward slightly convex circular arc.
The stopper 7 comprises a base 71 fixedly arranged and an extension body 72 arranged on the base 71 and positioned in the round hole, wherein the extension body 72 is movably connected on the base 71 to adjust the stroke of the piston 2.
The extending body 72 is an eccentric convex block with an eccentric structure, a through hole penetrating through the base body 71 is formed in the base body 71, and the operating rod 8 penetrates through the through hole and is connected with the extending body 72.
The operating rod 8 protrudes from the base body 71, and a fastening nut is arranged on the operating rod 8 in a screwing mode and abutted against the seat 4.
The air cylinder mounting plate 3 arranged on the seat 4 is arranged, the air cylinder 5 is arranged on the air cylinder mounting plate 3, and the air cylinder 5 and the piston 2 are connected together through a connecting piece.
The seat 4 is provided with a shield 1 for protecting electrical equipment.
The whole mechanism seat 4 is fixed on a press machine base, the stop block 7 is arranged on the seat 4, the piston 2 is arranged in a round hole of the seat 4, the cylinder mounting plate 3 is arranged on the seat 4, the cylinder 5 is arranged on the cylinder mounting plate 3, and the shield 1 is arranged on the seat 4 to protect electrical equipment.
The installation method of the invention comprises the following steps:
according to the invention, firstly, a piston 2 and a cylinder 5 are connected together in a threaded manner, then the cylinder 5 and a cylinder mounting plate 3 are assembled, then an assembled mechanism is mounted on a seat 4, a stop block 7 is mounted on the seat 4 for limiting the stroke of the piston 2, then a shield 1 is mounted on the seat 4 and is mounted on the surface of a base of a press machine through a screw 6, and air inlets and air outlets 10 at two ends of the cylinder 5 are connected with an air source.
The surface of the extension body 72 which is convexly arranged is set to be a smooth arc surface, so when the piston 2 touches the extension body 72, the resistance formed by the arc surface structure is gradually increased, the collision force of the contact between the extension body and the piston is reduced, and the probability of damage of the extension body and the piston caused by collision is reduced.
The invention further provides an upward baffle at the highest point of the extension body 72, and the smooth curvature of the extension body 72 is set to be a relatively gentle form, so that the impact force between the extension body 72 and the piston 2 can be reduced, and the existence of the baffle can ensure that the piston 2 cannot exceed the extension body 72, thereby enabling the stop 7 to exert the function thereof.
The invention also provides a detection switch 9 on the seat 4 for detecting the movement position of the piston 2.
In another structure of the invention shown in fig. 5, the stopper 7 is a cylindrical pin structure, and the upper part of the stopper slightly protrudes out of the circular hole to form a stop for the piston 2.
Claims (1)
1. The pneumatic clamping cylinder for the moving table of the press machine is characterized by comprising a base, wherein the base is fixed on a base of the press machine, a through round hole is formed in the base, a piston penetrates through the round hole, a stop block extending into the round hole is further arranged on the base, and the stop block forms a stop for the piston and is used for limiting the stroke of the piston;
the part of the stop block in the circular hole is arranged into an upward slightly convex circular arc;
the stop block comprises a base body fixedly arranged and an extension body arranged on the base body and positioned in the round hole, and the extension body is movably connected to the base body to adjust the stroke of the piston;
the extension body is an eccentric lug in an eccentric structure form, a through hole penetrating through the base body is formed in the base body, and an operating rod penetrates through the through hole and is connected with the extension body;
the operating rod protrudes from the base body, and a fastening nut is arranged on the operating rod in a screwed mode and abuts against the seat;
the air cylinder mounting plate is arranged on the seat, an air cylinder is arranged on the air cylinder mounting plate, and the air cylinder and the piston are connected together through a connecting piece;
the seat is provided with a shield for protecting electrical equipment;
the whole mechanism seat is fixed on the base of the press, the stop block is arranged on the seat, the piston is arranged in a circular hole of the seat, the cylinder mounting plate is arranged on the seat, the cylinder is arranged on the cylinder mounting plate, and the shield is arranged on the seat to protect electrical equipment;
the further mounting method is as follows:
firstly, connecting a piston and a cylinder together by screw threads, assembling the cylinder and a cylinder mounting plate, mounting a stop block on a seat after an assembled mechanism is mounted on the seat for limiting the stroke of the piston, mounting a protective cover on the seat, mounting the protective cover on the surface of a base of a press machine by screws, and connecting air inlets and air outlets at two ends of the cylinder with an air source;
the surface of the extension body which is convexly arranged is set into a smooth arc surface, when the piston touches the extension body, the resistance formed by the arc surface is gradually increased, so that the contact collision force between the extension body and the piston is reduced, and the probability of damage of the extension body and the piston caused by collision is reduced;
an upward baffle is arranged at the highest point of the extension body, and the smooth curvature of the extension body is set to be a gentle form, so that the impact force between the extension body and the piston can be reduced, and meanwhile, the existence of the baffle can ensure that the piston cannot cross the extension body, so that the stop block plays the due role;
and a detection switch is arranged on the seat and used for detecting the movement position of the piston.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710984850.3A CN107825754B (en) | 2017-10-20 | 2017-10-20 | Pneumatic clamping cylinder for press machine moving platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710984850.3A CN107825754B (en) | 2017-10-20 | 2017-10-20 | Pneumatic clamping cylinder for press machine moving platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107825754A CN107825754A (en) | 2018-03-23 |
| CN107825754B true CN107825754B (en) | 2020-05-19 |
Family
ID=61648711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710984850.3A Active CN107825754B (en) | 2017-10-20 | 2017-10-20 | Pneumatic clamping cylinder for press machine moving platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107825754B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2139185A (en) * | 1936-08-12 | 1938-12-06 | Teves Kg Alfred | Pressure actuated piston lock release |
| US4043252A (en) * | 1976-03-01 | 1977-08-23 | Wawrzyniak Walter W | Cylinder lock structure |
| DE19634558A1 (en) * | 1996-08-27 | 1998-03-05 | Teves Gmbh Alfred | Device for relative adjustment of two parts e.g. aligning car bumper |
| US6200059B1 (en) * | 1997-08-19 | 2001-03-13 | Btm Corporation | Tool adjustment system |
| CN103032405A (en) * | 2013-01-16 | 2013-04-10 | 合肥合锻机床股份有限公司 | Self-locking oil cylinder for hydraulic press and hydraulic press |
| CN203035638U (en) * | 2012-11-30 | 2013-07-03 | 江苏恒立高压油缸股份有限公司 | Mechanical self-locking hydraulic oil cylinder |
-
2017
- 2017-10-20 CN CN201710984850.3A patent/CN107825754B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2139185A (en) * | 1936-08-12 | 1938-12-06 | Teves Kg Alfred | Pressure actuated piston lock release |
| US4043252A (en) * | 1976-03-01 | 1977-08-23 | Wawrzyniak Walter W | Cylinder lock structure |
| DE19634558A1 (en) * | 1996-08-27 | 1998-03-05 | Teves Gmbh Alfred | Device for relative adjustment of two parts e.g. aligning car bumper |
| US6200059B1 (en) * | 1997-08-19 | 2001-03-13 | Btm Corporation | Tool adjustment system |
| CN203035638U (en) * | 2012-11-30 | 2013-07-03 | 江苏恒立高压油缸股份有限公司 | Mechanical self-locking hydraulic oil cylinder |
| CN103032405A (en) * | 2013-01-16 | 2013-04-10 | 合肥合锻机床股份有限公司 | Self-locking oil cylinder for hydraulic press and hydraulic press |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107825754A (en) | 2018-03-23 |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 225000 Jiangsu Province, Yangzhou City Hanjiang Economic Development Zone, China Ganglu No. 1 Applicant after: YANGZHOU FORGING PRESS Co.,Ltd. Address before: 225000 Jiangsu Province, Yangzhou City Hanjiang Economic Development Zone, China Ganglu No. 1 Applicant before: YANGZHOU FORGING MACHINE TOOL Co.,Ltd. |
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| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |