CN220742277U

CN220742277U - Locking device

Info

Publication number: CN220742277U
Application number: CN202320965662.7U
Authority: CN
Inventors: 张虎林; 李凤娣
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-04-25
Filing date: 2023-04-25
Publication date: 2024-04-09
Anticipated expiration: 2033-04-25

Abstract

The application relates to the technical field of locking, in particular to a locking device, and provides a locking device which can fix a sliding seat when a hydraulic cylinder fails, reduce the damage of the sliding seat to a workpiece or a person and enhance the practicability; including bottom plate, pneumatic cylinder, roof, multiunit direction stand and slide, multiunit direction stand equal fixed mounting is on the bottom plate top, the roof bottom is connected with multiunit direction stand top, pneumatic cylinder fixed mounting is on the roof, pneumatic cylinder output and slide are connected, slide and multiunit direction stand sliding connection, it is fixed to make the slide when the tight lock subassembly is used for the pneumatic cylinder trouble, it includes the traveller to lock the subassembly, the sleeve, the working box, extension board and baffle, sleeve fixed mounting is on the sleeve, traveller fixed mounting is on the bottom plate, traveller and sleeve sliding connection, working box fixed mounting is on the sleeve, be provided with the working chamber in the working box, working chamber and sleeve intercommunication are connected.

Description

Locking device

Technical Field

The application relates to the technical field of locking, in particular to a locking device.

Background

Hydraulic presses are machines made according to pascal principle for transferring energy to realize various processes, with liquids as working medium. The hydraulic press is generally composed of a host machine, a power system and a hydraulic control system, and is classified into a valve hydraulic press, a liquid hydraulic press and an engineering hydraulic press, wherein the hydraulic press is a machine for processing products such as metal, plastic, rubber, wood, powder and the like by utilizing hydrostatic pressure, and is commonly used in a pressing process and a pressing forming process, such as: forging, stamping, cold extrusion, straightening, bending, flanging, sheet drawing, powder metallurgy, press fitting, and the like.

The conventional hydraulic press all includes guide post, footstock, pneumatic cylinder and slide, the upper end at the guide post is fixed to the footstock, and the pneumatic cylinder then passes the footstock and acts on the slide to ensure that the slide slides from top to bottom along the guide post, and then realize the extrusion of work piece, processing demands such as shaping, after the hydraulic press finishes, need promote the slide to the highest position for its next normal work, during this period, the slide is through the tensile displacement that keeps unchanged of pneumatic cylinder, but once the pneumatic cylinder breaks down, the slide is very likely to slide along the guide post, causes the damage of work piece even personnel, leads to the practicality relatively poor, therefore a locking device is required.

Disclosure of Invention

(one) solving the technical problems

To prior art's not enough, this application provides one kind when the pneumatic cylinder breaks down, can fix the slide, reduces the damage of slide to work piece or personnel, strengthens the locking device of practicality.

(II) technical scheme

In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides a locking device, which comprises a base plate, the pneumatic cylinder, the roof, multiunit direction stand and slide, multiunit direction stand equal fixed mounting is on the bottom plate top, the roof bottom is connected with multiunit direction stand top, pneumatic cylinder fixed mounting is on the roof, the pneumatic cylinder output is connected with the slide, slide and multiunit direction stand sliding connection, it is fixed to make the slide when the lock subassembly is used for the pneumatic cylinder trouble, the lock subassembly is provided with the multiunit, the lock subassembly includes the traveller, the sleeve, the working box, extension board and baffle, sleeve fixed mounting is on the sleeve, traveller fixed mounting is on the bottom plate, traveller and sleeve sliding connection, working box fixed mounting is on the sleeve, be provided with the working chamber in the working box, the working chamber is connected with the sleeve intercommunication, the exhaust hole has been seted up in the working chamber intercommunication, baffle is articulated with the working chamber bottom, extension board fixed mounting is in the working chamber bottom, extension board laminating with the baffle, reset subassembly is installed on the working box, reset subassembly is used for the baffle to reset.

Through adopting above-mentioned technical scheme, when the pneumatic cylinder breaks down, the slide can be quick along the landing of direction stand, the slide is quick at this moment in the sleeve slip, when the slide is quick during in the sleeve slip, the air in the sleeve can be quick get into the working chamber in the baffle, make the baffle block the exhaust hole, make the air in the sleeve not be in the discharge, the atmospheric pressure grow in the sleeve this moment, make slide and sleeve can not slide smoothly, make the slide can not slide downwards smoothly, when the pneumatic cylinder normally works because the slide slowly descends, the baffle can not take place the possibility of blocking up the exhaust hole because the instantaneous atmospheric pressure is insufficient, make the baffle reset through reset assembly after the pneumatic cylinder is restoreed, make the baffle laminating on the extension board, therefore, a locking device for fixing the slide when the pneumatic cylinder breaks down, reduce the damage of slide to work piece or personnel, the reinforcing practicality is provided.

Preferably, the reset component comprises a bracket, a push rod, a spring and a pressing plate, wherein the bracket is fixedly arranged on the working box, a first sliding hole is formed in the bracket, the push rod is in sliding connection with the first sliding hole, the pressing plate is fixedly arranged on the push rod, the spring is sleeved with the push rod, and two ends of the spring are respectively connected with the pressing plate and the bracket.

Through adopting above-mentioned technical scheme, after the pneumatic cylinder is restoreed and is accomplished, through pressing down the clamp plate, through promoting ejector pin promotion baffle for the working chamber can exhaust smoothly through the exhaust hole, consequently can make the slide move down smoothly.

Preferably, a rubber pad is arranged on the baffle.

Through adopting above-mentioned technical scheme, can improve the leakproofness of baffle and working chamber through the rubber pad, reduce the possibility of gas leakage.

Preferably, the ejector rod is provided with a limiting ring, and the limiting ring is attached to the support.

Through adopting above-mentioned technical scheme, through the limit ring can reduce the possibility that the ejector pin slipped out first slide hole.

Preferably, the device further comprises a plurality of groups of adjusting screw rods, wherein a plurality of groups of adjusting screw holes are formed in the bottom end of the bottom plate, and the plurality of groups of adjusting screw rods are respectively in threaded connection with the plurality of groups of adjusting screw holes.

Through adopting above-mentioned technical scheme, the stability of bottom plate is conveniently adjusted through adjusting screw.

(III) beneficial effects

Compared with the prior art, the application provides a locking device, possesses following beneficial effect:

when the pneumatic cylinder breaks down, the slide can be quick along the landing of direction stand, the slide is quick at this moment in the sleeve slip, when the slide is quick in the sleeve slip, the air in the sleeve can be quick get into the working chamber in the baffle, make the baffle block the exhaust hole, make the air in the sleeve not be in the discharge, the atmospheric pressure grow in the sleeve this moment, make slide and sleeve can not slide smoothly, make the slide can not slide downwards smoothly, when the pneumatic cylinder normally works because the slide slowly descends, the baffle can not take place the possibility of plugging up the exhaust hole because the instantaneous atmospheric pressure is insufficient, after the pneumatic cylinder is restoreed and is made the baffle reset through reset assembly, make the baffle laminating on the extension board, therefore, a locking device is provided, when the pneumatic cylinder breaks down, can fix the slide, reduce the damage of slide to work piece or personnel, the reinforcing practicality.

Drawings

FIG. 1 is a schematic cross-sectional view of the present application;

FIG. 2 is a schematic front view of the slide and its connection structure;

FIG. 3 is an enlarged schematic view of the portion A of FIG. 1 of the present application;

FIG. 4 is an enlarged schematic view of the portion B of FIG. 1 of the present application;

fig. 5 is an enlarged schematic view of the C part in fig. 2 of the present application.

Reference numerals: 1. a bottom plate; 2. a hydraulic cylinder; 3. a top plate; 4. a guide column; 5. a slide; 6. a spool; 7. a sleeve; 8. a working box; 9. a support plate; 10. a baffle; 11. a bracket; 12. a push rod; 13. a spring; 14. pressing the plate; 15. a rubber pad; 16. a limiting ring; 17. and adjusting the screw.

Detailed Description

Examples

Referring to fig. 1-5, a locking device is disclosed, a plurality of groups of guide posts 4 are fixedly installed at the top end of a bottom plate 1, the bottom end of a top plate 3 is connected with the top ends of a plurality of groups of guide posts 4, a hydraulic cylinder 2 is fixedly installed on the top plate 3, the output end of the hydraulic cylinder 2 is connected with a sliding seat 5, the sliding seat 5 is slidably connected with a plurality of groups of guide posts 4, a sleeve 7 is fixedly installed on the sleeve 7, a sliding column 6 is fixedly installed on the bottom plate 1, the sliding column 6 is slidably connected with the sleeve 7, a working box 8 is fixedly installed on the sleeve 7, a working cavity is arranged in the working box 8 and is communicated with the sleeve 7, an exhaust hole is formed in the working cavity, a baffle 10 is hinged with the bottom end of the working cavity, when the hydraulic cylinder 2 fails, the sliding seat 5 slides along the guide posts 4 quickly, the sliding column 6 slides quickly in the sleeve 7, and when the sliding column 6 slides quickly in the sleeve 7, the air in the sleeve 7 can be quick get into the working chamber and strike baffle 10 for baffle 10 blocks the exhaust hole, make the air in the sleeve 7 not be in the discharge, the atmospheric pressure in the sleeve 7 becomes big this moment, make slide post 6 and sleeve 7 can not slide smoothly, make slide 5 can not slide down smoothly, when pneumatic cylinder 2 normally works because slide post 6 descends slowly, baffle 10 can not take place because the possibility that the exhaust hole was plugged up can not take place because of the pneumatic pressure in the twinkling of an eye, be provided with rubber pad 15 on the baffle 10, can improve the leakproofness of baffle 10 and working chamber through rubber pad 15, reduce the possibility of gas leakage, extension board 9 fixed mounting is in the working chamber bottom, extension board 9 is laminated with baffle 10, extension board 9 is used for supporting baffle 10 in suitable position, when pneumatic cylinder 2 breaks down, slide 5 drops fast, make baffle 10 can work smoothly.

Referring to fig. 1-5, a bracket 11 is fixedly installed on a working box 8, a first sliding hole is formed in the bracket 11, a push rod 12 is slidably connected with the first sliding hole, a pressing plate 14 is fixedly installed on the push rod 12, a spring 13 is sleeved with the push rod 12, two ends of the spring 13 are respectively connected with the pressing plate 14 and the bracket 11, after the hydraulic cylinder 2 is repaired, the pressing plate 14 is pressed, the baffle 10 is pushed by pushing the push rod 12, and therefore the working cavity can be smoothly exhausted through an exhaust hole, and the sliding seat 5 can be smoothly moved downwards.

Referring to fig. 1, 2, 3 and 5, the ejector rod 12 is provided with a limiting ring 16, the limiting ring 16 is attached to the bracket 11, and the possibility that the ejector rod 12 slides out of the first sliding hole can be reduced through the limiting ring 16.

Referring to fig. 1 and 2, a plurality of groups of adjusting screw holes are formed in the bottom end of the bottom plate 1, a plurality of groups of adjusting screws 17 are respectively connected with the plurality of groups of adjusting screw holes in a threaded manner, and stability of the bottom plate 1 is conveniently adjusted through the adjusting screws 17.

To sum up, when this locking device is in use, when pneumatic cylinder 2 breaks down, slide 5 can be quick along guide post 4 landing, slide 6 is quick in sleeve 7 this moment, when slide 6 is quick in sleeve 7, air in the sleeve 7 can be quick get into in the working chamber and strike baffle 10, make baffle 10 block the exhaust hole, make the air in the sleeve 7 not be in the discharge, the atmospheric pressure in sleeve 7 grow this moment, make slide 6 and sleeve 7 can not slide smoothly, make slide 5 can not slide down smoothly, when pneumatic cylinder 2 normally works because slide 6 slowly descends, baffle 10 can not take place because the possibility that the exhaust hole was plugged up in the moment, it makes baffle 10 reset through reset assembly after pneumatic cylinder 2 is restoreed, make baffle 10 laminating on extension board 9 can.

Claims

1. The utility model provides a locking device, including bottom plate (1), pneumatic cylinder (2), roof (3), multiunit direction stand (4) and slide (5), multiunit direction stand (4) equal fixed mounting is on bottom plate (1) top, and roof (3) bottom is connected with multiunit direction stand (4) top, and pneumatic cylinder (2) fixed mounting is on roof (3), and pneumatic cylinder (2) output is connected with slide (5), slide (5) and multiunit direction stand (4) sliding connection, its characterized in that still includes:

the hydraulic cylinder (2) is provided with a plurality of groups of sliding seats (5) and is used for fixing the sliding seats when faults occur, the locking assemblies comprise sliding columns (6), sleeves (7), working boxes (8), support plates (9) and baffle plates (10), the sleeves (7) are fixedly arranged on the sleeves (7), the sliding columns (6) are fixedly arranged on the bottom plate (1), the sliding columns (6) are in sliding connection with the sleeves (7), the working boxes (8) are fixedly arranged on the sleeves (7), working cavities are communicated and connected with the sleeves (7), the working cavities are communicated and provided with exhaust holes, the baffle plates (10) are hinged with the bottom ends of the working cavities, the support plates (9) are fixedly arranged at the bottom ends of the working cavities, and the support plates (9) are attached to the baffle plates (10);

and the reset assembly is arranged on the working box (8) and is used for resetting the baffle (10).

2. A locking device as claimed in claim 1, wherein: the reset assembly comprises a support (11), an ejector rod (12), a spring (13) and a pressing plate (14), wherein the support (11) is fixedly installed on the working box (8), a first sliding hole is formed in the support (11), the ejector rod (12) is slidably connected with the first sliding hole, the pressing plate (14) is fixedly installed on the ejector rod (12), the spring (13) is sleeved with the ejector rod (12), and two ends of the spring (13) are respectively connected with the pressing plate (14) and the support (11).

3. A locking device as claimed in claim 2, wherein: a rubber pad (15) is arranged on the baffle (10).

4. A locking device according to claim 3, wherein: the ejector rod (12) is provided with a limiting ring (16), and the limiting ring (16) is attached to the bracket (11).

5. A locking device as claimed in claim 4, wherein: the bottom plate (1) is provided with a plurality of groups of adjusting screw holes, and the plurality of groups of adjusting screw rods (17) are respectively in threaded connection with the plurality of groups of adjusting screw holes.