CN220219827U - Hydraulic press with protection device - Google Patents
Hydraulic press with protection device Download PDFInfo
- Publication number
- CN220219827U CN220219827U CN202321662062.XU CN202321662062U CN220219827U CN 220219827 U CN220219827 U CN 220219827U CN 202321662062 U CN202321662062 U CN 202321662062U CN 220219827 U CN220219827 U CN 220219827U
- Authority
- CN
- China
- Prior art keywords
- plate
- fixedly connected
- alarm
- workbench
- hydraulic cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 230000006378 damage Effects 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
Landscapes
- Forklifts And Lifting Vehicles (AREA)
Abstract
The utility model relates to the technical field of hydraulic presses, and discloses a hydraulic press with a protection device, which comprises: the workbench is characterized in that supporting legs are symmetrically and fixedly arranged at the bottoms of the workbench, and a fixing plate is fixedly connected between the bottoms of the two supporting legs. When an operator stretches to the lower part of the hydraulic press to trigger the photoelectric sensor, the photoelectric sensor is controlled by the PLC, receives signals, and is started by the PLC to enable the output end of the electric hydraulic cylinder to push the push plate to move downwards and press the two symmetrical movable plates, so that the other end of the movable plate deflects upwards and pushes the hinged limiting post to move upwards, at the moment, the upper end of the limiting post moves out of the workbench, the limiting post is blocked and limited in the downward moving process of the pressing plate, the pressing plate is prevented from being continuously moved downwards to hurt the operator, a protection effect is achieved, and safety is improved.
Description
Technical Field
The utility model relates to the technical field of hydraulic presses, in particular to a hydraulic press with a protection device.
Background
The hydraulic press is a machine which is made according to Pascal principle and is used for transferring energy to implement various processes by using liquid as working medium, and can be used for implementing the processing effect by means of stamping product surface.
Under the general condition, the lower workbench of the hydraulic press is positioned under the upper pressing block, the hydraulic press works by ascending or descending movement of the upper pressing block, in the normal working process of the hydraulic press, an operator stretches hands onto the workbench below the hydraulic press in order to ensure that the positions of pressed workpieces are placed regularly, the action is very dangerous, and although the photoelectric sensor can stop the hydraulic press to press downwards for locking so as to prevent the upper pressing block from sliding downwards, the upper pressing block is extremely easy to slide downwards due to pressure leakage or valve leakage in case of pressure leakage, so that personal injury to the operator is caused. Therefore, the utility model designs a hydraulic machine with a protection device to solve the problems in the prior art.
Disclosure of Invention
The present utility model is directed to a hydraulic machine with a protection device, so as to solve the above-mentioned problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a hydraulic machine with a protection device, comprising: the workbench is characterized in that supporting legs are symmetrically and fixedly arranged at the bottom of the workbench, a fixed plate is fixedly connected between the bottoms of the two supporting legs, a PLC control box is fixedly arranged at the top of the fixed plate, upright posts are fixedly arranged around the top of the workbench, a supporting plate is fixedly connected between the tops of the four upright posts, a main hydraulic cylinder is fixedly arranged at the top of the supporting plate, the output end of the main hydraulic cylinder movably penetrates through the bottom of the supporting plate, a connecting plate is fixedly connected at the output end of the main hydraulic cylinder, the peripheries of the connecting plate are slidably arranged on the surfaces of the four upright posts, and a die plate is fixedly arranged at the bottom of the connecting plate;
the front side symmetry fixed mounting on workstation surface has the dead lever, and one side fixed mounting of dead lever upper end has the photoelectric sensing ware, the bottom of workstation is seted up flutedly, the inside of recess is provided with spacing subassembly, spacing subassembly's both sides all are provided with alarm component, and alarm component's upper end is located the surface of workstation.
Preferably, the limiting assembly includes: the automatic alarm device comprises an electric hydraulic cylinder and a fixed block, wherein the bottom of the electric hydraulic cylinder is fixedly arranged in a groove, the output end of the electric hydraulic cylinder is fixedly connected with a push plate, the fixed block is provided with two fixed blocks which are symmetrically and fixedly arranged at the bottom of a workbench, the lower end of the fixed block is hinged with a movable plate, one end of the movable plate is arranged at one side of the bottom of the push plate, the other end of the movable plate is hinged with a limit column, the upper end of the limit column is movably inserted into the workbench in the vertical direction, and one side of the lower end of the limit column is fixedly connected with one side of an alarm component.
Preferably, the roller is rotatably arranged at one end of the movable plate, and the surface of the roller is attached to the bottom of the push plate.
Preferably, the bottom fixedly connected with fixed pin of spacing post, waist type groove has been seted up to the other end of fly leaf, the fixed pin of spacing post bottom articulates the waist type inslot portion of installing at the fly leaf other end.
Preferably, the alarm assembly comprises: connecting block and mounting bracket, connecting block fixed mounting is in the surface of spacing subassembly one side, the top fixedly connected with push rod of connecting block, mounting bracket fixed mounting is on the surface of workstation, the inside fixed mounting of mounting bracket has the alarm, and the bottom of alarm is provided with normally open contact, normally open contact is located directly over the push rod.
Preferably, one side of connecting block top fixedly connected with reset spring, and reset spring's one end fixed mounting is in the bottom of workstation.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, through the arrangement of the components such as the pressing template, the electric hydraulic cylinder and the limiting column, when an operator stretches below the hydraulic press to trigger the photoelectric sensor, the photoelectric sensor is controlled by the PLC and receives signals, and the PLC controls the electric hydraulic cylinder to start, so that the output end of the electric hydraulic cylinder pushes the push plate to move downwards and presses two symmetrical movable plates, the other end of the movable plate deflects upwards and pushes the hinged limiting column to move upwards, at the moment, the upper end of the limiting column moves out of the workbench, the limiting column is blocked and limited in the downward moving process of the pressing plate, the damage to the operator caused by the continuous downward movement of the pressing plate is avoided, the protection effect is achieved, and the safety is improved;
2. according to the utility model, through the arrangement of the limiting post, the push rod, the alarm and other parts, the inside of the alarm is in a normally open and power-off state under normal conditions, when the limiting post moves upwards to block and limit, the push rod is driven to press a normally open contact at the bottom of the alarm, at the moment, the internal circuit of the alarm is closed to be connected with a power supply, and the alarm generates an alarm to remind an operator.
Drawings
FIG. 1 is a schematic view in front cross-section of the present utility model;
FIG. 2 is an enlarged schematic view of the structure A in FIG. 1 according to the present utility model;
fig. 3 is an enlarged schematic view of the structure B in fig. 1 according to the present utility model.
In the figure: 1. a work table; 101. a groove; 2. support legs; 3. a fixing plate; 4. a PLC control box; 5. a column; 6. a support plate; 7. a master hydraulic cylinder; 8. a connecting plate; 9. pressing a template; 10. a fixed rod; 11. a photoelectric sensor; 12. a limit component; 1201. an electro-hydraulic cylinder; 1202. a push plate; 1203. a fixed block; 1204. a movable plate; 1205. a limit column; 1206. a roller; 13. an alarm assembly; 1301. a connecting block; 1302. a push rod; 1303. a return spring; 1304. a mounting frame; 1305. an alarm; 1306. and a normally open contact.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, an embodiment of the present utility model is provided: a hydraulic machine with a protection device, comprising: the workbench 1, the bottom of the workbench 1 is symmetrically and fixedly provided with supporting legs 2, a fixed plate 3 is fixedly connected between the bottoms of the two supporting legs 2, the top of the fixed plate 3 is fixedly provided with a PLC control box 4, the control end of the PLC in the PLC control box 4 is respectively and electrically connected with the inside of a photoelectric sensor 11 and the inside of an electro-hydraulic cylinder 1201, the periphery of the top of the workbench 1 is fixedly provided with stand columns 5, the tops of the four stand columns 5 are fixedly connected with a supporting plate 6, the top of the supporting plate 6 is fixedly provided with a main hydraulic cylinder 7, the output end of the main hydraulic cylinder 7 movably penetrates through the bottom of the supporting plate 6, the output end of the main hydraulic cylinder 7 is fixedly connected with a connecting plate 8, the periphery of the connecting plate 8 is slidably arranged on the surfaces of the four stand columns 5, and the bottom of the connecting plate 8 is fixedly provided with a pressing plate 9;
the front side symmetry fixed mounting on workstation 1 surface has dead lever 10, and one side fixed mounting of dead lever 10 upper end has photoelectric sensor 11, recess 101 has been seted up to the bottom of workstation 1, the inside of recess 101 is provided with spacing subassembly 12, through spacing subassembly 12's setting, when operating personnel's arm stretches into the hydraulic press below and cuts off the light between two photoelectric sensors 11, PLC control electro-hydraulic cylinder 1201 starts, make two symmetrical spacing posts 1205 stretch out from the inside of workstation 1, play the stop limiting displacement to the downwardly moving of moulding plate 9, avoid moulding plate 9 to continue to push down, play the guard action, the security has been improved, spacing subassembly 12's both sides all are provided with alarm component 13, and alarm component 13's upper end is located the surface of workstation 1. Through the setting of alarm assembly 13, drive push rod 1302 to press the normally open contact 1306 in alarm 1305 bottom when spacing post 1205 moves up and blocks spacingly, make alarm 1305 report to the police, remind operating personnel.
Referring to fig. 1-2, in this embodiment: the spacing assembly 12 includes: the bottom fixed mounting of electronic pneumatic cylinder 1201 is in the inside of recess 101 with fixed block 1203, the output fixedly connected with push pedal 1202 of electronic pneumatic cylinder 1201, fixed block 1203 is equipped with two, two fixed block 1203 symmetry fixed mounting are in the bottom of workstation 1, movable plate 1204 is articulated to the lower extreme of fixed block 1203, and the one end setting of movable plate 1204 is in one side of push pedal 1202 bottom, spacing post 1205 is articulated to the other end of movable plate 1204, and the vertical direction activity of the upper end of spacing post 1205 alternates in the inside of workstation 1, one side of spacing post 1205 lower extreme and one side fixed connection of alarm module 13. In the normal operation process of the hydraulic press, when an operator arm carelessly stretches to the lower side of the hydraulic press, the photoelectric sensor 11 is triggered, at the moment, the photoelectric sensor 11 is controlled by the PLC and receives a signal, and the PLC controls the electric hydraulic cylinder 1201 to start, so that the output end of the electric hydraulic cylinder 1201 pushes the push plate 1202 to move downwards and presses one ends of two symmetrical movable plates 1204, the other end of the movable plate 1204 deflects upwards by taking the central position of the movable plate 1204 as the center of a circle, and pushes the hinged limit column 1205 to move upwards, at the moment, the upper end of the limit column 1205 moves out of the workbench 1, and the limit column 1205 is used for blocking and limiting in the downward movement process of the pressing plate 9, so that the pressing plate 9 is prevented from being continuously moved downwards to cause injury to the operator.
Referring to fig. 1-2, in this embodiment: one end of the movable plate 1204 is rotatably provided with a roller 1206, and the surface of the roller 1206 is attached to the bottom of the push plate 1202. When the push plate 1202 pushes one end of the movable plate 1204 to deflect, the contact area between the push plate 1202 and the movable plate 1204 is reduced by the arrangement of the roller 1206, the friction between the push plate 1202 and the movable plate 1204 is reduced, and the stability of the movement of the movable plate 1204 is improved.
Referring to fig. 1-2, in this embodiment: the bottom fixedly connected with fixed pin of spacing post 1205, waist type groove has been seted up to the other end of fly leaf 1204, and the fixed pin of spacing post 1205 bottom articulates the inside waist type groove of the other end of fly leaf 1204 of installation. Through the setting in waist type groove, when the other end of fly leaf 1204 upwards deflects and promotes spacing post 1205 and upwards moves, the bottom of spacing post 1205 can have certain activity allowance in fly leaf 1204 waist type inslot for fly leaf 1204 deflects and promotes the spacing post 1205 and remove the time not interfered.
Referring to fig. 1 and 3, in the present embodiment: the alarm assembly 13 includes: connecting block 1301 and mounting bracket 1304, connecting block 1301 fixed mounting is on the surface of spacing subassembly 12 one side, the top fixedly connected with push rod 1302 of connecting block 1301, mounting bracket 1304 fixed mounting is on the surface of workstation 1, the inside fixed mounting of mounting bracket 1304 has alarm 1305, and the bottom of alarm 1305 is provided with normally open contact 1306, is in normally open outage state in alarm 1305 inside, and when normally open contact 1306 receives to press, alarm 1305 internal circuit closure switch-on power produces the warning, normally open contact 1306 is located directly over the push rod 1302. When the limit column 1205 moves upwards, the limit column 1205 drives the connecting block 1301 on one side of the lower end to move upwards, so that the push rod 1302 on the top of the connecting block 1301 moves upwards to push the mounting frame 1304 on the bottom of the alarm 1305, and the alarm 1305 generates an alarm to remind an operator.
Referring to fig. 1 and 3, in the present embodiment: one side at the top of the connection block 1301 is fixedly connected with a return spring 1303, and one end of the return spring 1303 is fixedly arranged at the bottom of the workbench 1. Through setting up of reset spring 1303, after the output of electro-hydraulic cylinder 1201 contracts, push pedal 1202 releases the pressure to fly leaf 1204 one end, and reset spring 1303 atress back elasticity resets this moment, is promoting push rod 1302 and spacing post 1205 quick return.
Working principle: when the arm of an operator carelessly extends below the hydraulic press in the normal operation process of the hydraulic press, the photoelectric sensor 11 is triggered, at the moment, the photoelectric sensor 11 is controlled by the PLC and receives a signal, and the PLC controls the electric hydraulic cylinder 1201 to start, so that the output end of the electric hydraulic cylinder 1201 pushes the push plate 1202 to move downwards and press one ends of two symmetrical movable plates 1204, the other end of the movable plate 1204 deflects upwards by taking the central position of the movable plate 1204 as the center of a circle and pushes the hinged limit column 1205 to move upwards, at the moment, the upper end of the limit column 1205 moves out of the workbench 1, the limit column 1205 is used for blocking and limiting in the downward movement process of the pressing plate 9, and when the limit column 1205 moves upwards, the limit column 1205 drives the connecting block 1301 on one side of the lower end, so that the push rod 1302 on the top of the connecting block 1301 moves upwards to push the mounting frame 1304 at the bottom of the alarm 1305, and at the moment, the alarm 1305 generates an alarm to remind the operator. What is not described in detail in this specification is prior art known to those skilled in the art.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (6)
1. A hydraulic machine with a protection device, comprising: workstation (1), its characterized in that: the automatic feeding device is characterized in that supporting legs (2) are symmetrically and fixedly arranged at the bottom of the workbench (1), a fixing plate (3) is fixedly connected between the bottoms of the supporting legs (2), a PLC control box (4) is fixedly arranged at the top of the fixing plate (3), upright posts (5) are fixedly arranged around the top of the workbench (1), supporting plates (6) are fixedly connected between the tops of the four upright posts (5), a main hydraulic cylinder (7) is fixedly arranged at the top of the supporting plates (6), the output end of the main hydraulic cylinder (7) movably penetrates through the bottom of the supporting plates (6), a connecting plate (8) is fixedly connected to the output end of the main hydraulic cylinder (7), the peripheries of the connecting plate (8) are slidably arranged on the surfaces of the four upright posts (5), and a pressing die plate (9) is fixedly arranged at the bottom of the connecting plate (8);
the front side symmetry fixed mounting on workstation (1) surface has dead lever (10), and one side fixed mounting of dead lever (10) upper end has photoelectric sensor (11), recess (101) have been seted up to the bottom of workstation (1), the inside of recess (101) is provided with spacing subassembly (12), the both sides of spacing subassembly (12) all are provided with alarm component (13), and the upper end of alarm component (13) is located the surface of workstation (1).
2. A hydraulic machine with protection device according to claim 1, characterized in that: the limit assembly (12) comprises: the automatic alarm device comprises an electric hydraulic cylinder (1201) and fixed blocks (1203), wherein the bottom of the electric hydraulic cylinder (1201) is fixedly arranged in a groove (101), the output end of the electric hydraulic cylinder (1201) is fixedly connected with a push plate (1202), the fixed blocks (1203) are arranged at two positions, the fixed blocks (1203) are symmetrically and fixedly arranged at the bottom of a workbench (1), the lower ends of the fixed blocks (1203) are hinged with movable plates (1204), one ends of the movable plates (1204) are arranged on one side of the bottom of the push plate (1202), the other ends of the movable plates (1204) are hinged with limiting columns (1205), and the upper ends of the limiting columns (1205) are movably inserted in the workbench (1) in the vertical direction, and one side of the lower ends of the limiting columns (1205) is fixedly connected with one side of an alarm component (13).
3. A hydraulic machine with protection device according to claim 2, characterized in that: one end of the movable plate (1204) is rotatably provided with a roller (1206), and the surface of the roller (1206) is attached to the bottom of the push plate (1202).
4. A hydraulic machine with protection device according to claim 2, characterized in that: the bottom of spacing post (1205) fixedly connected with fixed pin, waist type groove has been seted up to the other end of fly leaf (1204), the fixed pin of spacing post (1205) bottom articulates installs in the waist type inslot of fly leaf (1204) other end.
5. A hydraulic machine with protection device according to claim 1, characterized in that: the alarm assembly (13) comprises: connecting block (1301) and mounting bracket (1304), connecting block (1301) fixed mounting is on the surface of spacing subassembly (12) one side, the top fixedly connected with push rod (1302) of connecting block (1301), mounting bracket (1304) fixed mounting is on the surface of workstation (1), the inside fixed mounting of mounting bracket (1304) has alarm (1305), and the bottom of alarm (1305) is provided with normally open contact (1306), normally open contact (1306) are located directly over push rod (1302).
6. A hydraulic machine with protection device according to claim 5, characterized in that: one side at connecting block (1301) top fixedly connected with reset spring (1303), and the one end fixed mounting of reset spring (1303) is in the bottom of workstation (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321662062.XU CN220219827U (en) | 2023-06-28 | 2023-06-28 | Hydraulic press with protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321662062.XU CN220219827U (en) | 2023-06-28 | 2023-06-28 | Hydraulic press with protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220219827U true CN220219827U (en) | 2023-12-22 |
Family
ID=89199134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321662062.XU Active CN220219827U (en) | 2023-06-28 | 2023-06-28 | Hydraulic press with protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220219827U (en) |
-
2023
- 2023-06-28 CN CN202321662062.XU patent/CN220219827U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR930003767B1 (en) | Apparatus for stripping molded rubber products from a product sheet | |
| CN220219827U (en) | Hydraulic press with protection device | |
| CN200984615Y (en) | Hand-protecting device of punch press | |
| CN217492880U (en) | Efficient plate shearing device | |
| CN205273977U (en) | Mould membrane packagine machine and seal membrane device | |
| CA2502776A1 (en) | Long reach press | |
| CN212949379U (en) | Anti-falling device of press machine | |
| CN215657614U (en) | Protection type press | |
| CN210619720U (en) | Material pulling device with material clamping protection structure | |
| CN210553236U (en) | Safe convenient vertical punch press | |
| CN221250353U (en) | Plate embossing machine | |
| CN208629838U (en) | A kind of water dividing gap mechanism of equipment for coating film | |
| CN210387007U (en) | Plate type cylindrical extrusion die separator | |
| CN217432870U (en) | Light curtain inefficacy state undershoot protection device | |
| CN220075691U (en) | Safety hydraulic press | |
| KR200406848Y1 (en) | Mold lifting device | |
| CN217862747U (en) | IMD (in-mold decoration) hot-press forming machine operation safety protection device | |
| CN217121484U (en) | Clamp stamping die with positioning function | |
| CN219751237U (en) | Tilting prevention device of stacker crane | |
| CN218893422U (en) | Lifting platform | |
| CN212370954U (en) | Mould is used in processing of safe type auto-parts | |
| CN216858049U (en) | Prevent tong punch press device | |
| CN219563736U (en) | Punching device for aluminum nitride ceramic substrate | |
| CN211445826U (en) | Quenching die mould for spiral bevel gear for railway construction | |
| CN220946872U (en) | Push-pull type pressing machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |