CN112517981A

CN112517981A - Hydraulic punching device

Info

Publication number: CN112517981A
Application number: CN202011234354.4A
Authority: CN
Inventors: 刘文泉
Original assignee: Yangzhou Yufeng Machinery Equipment Co ltd
Current assignee: Yangzhou Yufeng Machinery Equipment Co ltd
Priority date: 2020-11-07
Filing date: 2020-11-07
Publication date: 2021-03-19

Abstract

The invention relates to a hydraulic punching device, which comprises a base, a support rod, a cross rod, a hydraulic cylinder, a connecting block, a drill bit and a fixing mechanism, wherein the cross rod is arranged above the base through the support rod, the hydraulic cylinder is vertically arranged on the cross rod downwards, the connecting block is arranged on an output shaft of the hydraulic cylinder, a groove is formed in the connecting block, one end of the drill bit is positioned in the groove, the fixing mechanism is arranged in the groove, the hydraulic punching device realizes the fixation of the drill bit through the fixing mechanism, the punching of a workpiece is realized through the operation of the hydraulic cylinder, compared with the existing fixing mechanism, the fixing mechanism realizes the double fixation of the drill bit through a fixing assembly and a connecting assembly, so that the better fixing effect is realized for the drill bit, meanwhile, the fixing and unlocking can be realized through simple pulling, the use of parts such as bolts and the like is avoided, The use of tools such as a screwdriver and the like facilitates the disassembly and assembly of the drill bit.

Description

Hydraulic punching device

Technical Field

The present invention relates to a hydraulic punching apparatus.

Background

The hydraulic device adopts a hydraulic machine as a driving wheel, the hydraulic machine has a vertical type and a horizontal type, most of the hydraulic machines are vertical and comprise hydraulic machines for extrusion, a double-column hydraulic machine and the like, the series of products are suitable for the press mounting, bending and shaping, impression indentation, flanging, punching of various parts, shallow drawing of small parts, forming of metal powder products and other processing technologies, the electric control is adopted, inching and semi-automatic circulation are arranged, the pressure maintaining and time delay can be realized, the slider guiding performance is good, the operation is convenient, the maintenance is easy, and the economy and the durability are realized.

The hydraulic punching device is driven by a hydraulic machine, when the hydraulic punching device is used, a drill bit with a corresponding size is generally installed on the hydraulic machine according to the size of a hole to be punched, the drill bit is generally fixed by a bolt and the like when the drill bit is installed in the conventional device, and tools such as a screwdriver and the like are required during disassembly and assembly, so that the hydraulic punching device is troublesome to operate and inconvenient to use.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, a hydraulic punching device is provided.

The technical scheme adopted by the invention for solving the technical problems is as follows: a hydraulic punching device comprises a base, a support rod, a cross rod, a hydraulic cylinder, a connecting block, a drill bit and a fixing mechanism, wherein the cross rod is arranged above the base through the support rod, the hydraulic cylinder is vertically arranged on the cross rod downwards, the connecting block is arranged on an output shaft of the hydraulic cylinder, a groove is formed in the connecting block, one end of the drill bit is located in the groove, and the fixing mechanism is arranged in the groove;

the fixing mechanism comprises two fixing components and a connecting component, the two fixing components are respectively arranged at two sides of the groove, the fixing components comprise a fixing block, a sleeve, a piston rod, a spring, a pull rope and an air bag, the fixing block is arranged at one end of the drill bit in the groove, a chute is arranged in the groove, the fixing block is arranged in the chute, the fixing block is in sliding connection with the chute, the sleeve is arranged in the connecting block, one end of the piston rod is arranged in the sleeve, the other end of the piston rod extends out of the sleeve, one end of the piston rod in the sleeve is in sealing connection with the sleeve, the spring is arranged in the sleeve, the other end of the spring is connected with the piston of the piston rod, the air bag is arranged at the bottom of the chute, and the, the fixed block supports with the gasbag and leans on, the one end of stay cord and the piston connection of piston rod, the other end of stay cord passes the sleeve pipe, coupling assembling includes pivot, threaded rod, first bevel gear, second bevel gear, change gear, rack and fixed axle, the pivot sets up in the recess bottom, the threaded rod sets up in the pivot, threaded rod and the coaxial setting of pivot, the one end that the drill bit is located the recess is equipped with the screw hole, the threaded rod is located the threaded hole, threaded rod and screw hole threaded connection, first bevel gear cover is established in the pivot, the fixed axle sets up in the recess, second bevel gear cover is established on the fixed axle, second bevel gear meshes with first bevel gear, change gear cover and establish on the fixed axle, change gear and fixed axle key-type connection, the rack sets up the one end that is located the recess at the drill bit, the rack is meshed with the rotary gear.

In order to better limit the movement of the fixed block, a limiting rod is arranged in the sliding groove and penetrates through the fixed block, and the limiting rod is connected with the fixed block in a sliding mode.

In order to realize a better fixing effect on the fixing block, one end of the piston rod, which extends out of the sleeve, penetrates through the fixing block and the limiting rod, and the piston rod is connected with the limiting rod in a sliding manner.

In order to support the rotating shaft, a first bearing seat is arranged at the bottom of the groove, and one end, far away from the threaded rod, of the rotating shaft is located in the first bearing seat.

In order to support the fixed shaft, a second bearing seat is arranged in the groove, and one end of the fixed shaft is located in the second bearing seat.

In order to make the air bag return to the initial position better, the air bag is made of elastic materials.

The hydraulic punching device has the advantages that the fixing of the drill bit is realized through the fixing mechanism, the punching of the workpiece is realized through the operation of the hydraulic cylinder, compared with the existing fixing mechanism, the fixing mechanism is used for fixing the drill bit through the fixing assembly and the connecting assembly, so that a better fixing effect is realized for the drill bit, meanwhile, the fixing mechanism can be used for fixing and unlocking through simple pulling, the use of parts such as bolts and the like is avoided, the use of tools such as electric drills, screwdrivers and the like is avoided, and the disassembly and the assembly of the drill bit are facilitated.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural view of a hydraulic punching apparatus of the present invention;

FIG. 2 is a schematic structural view of a fixing mechanism of the hydraulic punching apparatus of the present invention;

in the figure: 1. the hydraulic cylinder comprises a base, a support rod 2, a cross rod 3, a hydraulic cylinder 4, a connecting block 5, a drill bit 6, a fixing block 7, a sleeve 8, a piston rod 9, a spring 10, a pull rope 11, an air bag 12, a rotating shaft 13, a threaded rod 14, a first bevel gear 15, a second bevel gear 16, a rotating gear 17, a rack 18, a fixed shaft 19 and a limiting rod 20.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

As shown in fig. 1, a hydraulic punching device comprises a base 1, a support rod 2, a cross rod 3, a hydraulic cylinder 4, a connecting block 5, a drill bit 6 and a fixing mechanism, wherein the cross rod 3 is arranged above the base 1 through the support rod 2, the hydraulic cylinder 4 is vertically arranged on the cross rod 3 downwards, the connecting block 5 is arranged on an output shaft of the hydraulic cylinder 4, a groove is arranged on the connecting block 5, one end of the drill bit 6 is positioned in the groove, and the fixing mechanism is arranged in the groove;

insert drill bit 6 in the recess of connecting block 5, realize fixing of drill bit 6 through fixed establishment, through operation pneumatic cylinder 4 for the output shaft of pneumatic cylinder 4 stretches out, thereby drive connecting block 5 downstream, and the movable block drives drill bit 6 downstream, thereby punches a hole to the work piece of below.

As shown in fig. 2, the fixing mechanism includes two fixing assemblies and a connecting assembly, the two fixing assemblies are respectively disposed at two sides of the groove, the fixing assembly includes a fixing block 7, a sleeve 8, a piston rod 9, a spring 10, a pull rope 11 and an air bag 12, the fixing block 7 is disposed at one end of the drill bit 6 located in the groove, a chute is disposed in the groove, the fixing block 7 is located in the chute, the fixing block 7 is slidably connected with the chute, the sleeve 8 is disposed in the connecting block 5, one end of the piston rod 9 is located in the sleeve 8, the other end of the piston rod 9 extends out of the sleeve 8, one end of the piston rod 9 located in the sleeve 8 is hermetically connected with the sleeve 8, the spring 10 is disposed in the sleeve 8, the other end of the spring 10 is connected with the sleeve 8, and the other end of the spring 10 is connected with the piston of, the gasbag 12 sets up in the spout bottom, sleeve pipe 8 passes through the inside intercommunication of trachea and gasbag 12, fixed block 7 supports with gasbag 12 and leans on, the piston connection of one end and piston rod 9 of stay cord 11, the other end of stay cord 11 passes sleeve pipe 8, coupling assembling includes pivot 13, threaded rod 14, first bevel gear 15, second bevel gear 16, commentaries on classics gear 17, rack 18 and fixed axle 19, pivot 13 sets up in the recess bottom, threaded rod 14 sets up on pivot 13, threaded rod 14 and the coaxial setting of pivot 13, the one end that drill bit 6 is located the recess is equipped with the screw hole, threaded rod 14 is located the screw hole, threaded rod 14 and screw hole threaded connection, first bevel gear 15 cover is established on pivot 13, fixed axle 19 sets up in the recess, second bevel gear 16 covers on fixed axle 19, the second bevel gear 16 is meshed with the first bevel gear 15, the rotating gear 17 is sleeved on the fixed shaft 19, the rotating gear 17 is in key connection with the fixed shaft 19, the rack 18 is arranged at one end, located in the groove, of the drill bit 6, and the rack 18 is meshed with the rotating gear 17.

The fixed block 7 is aligned to the sliding groove, the drill bit 6 is inserted into the groove, the drill bit 6 drives the fixed block 7 to move, the fixed block 7 moves in the sliding groove, the limiting rod 20 penetrates through the fixed block 7, so that the movement of the fixed block 7 is better limited, meanwhile, the pull rope 11 is pulled, the pull rope 11 pulls the piston rod 9 to move, so that the piston rod 9 extends into the sleeve 8, so that the piston rod 9 does not block the movement of the fixed block 7 until the fixed block 7 moves to the bottom of the sliding groove, the spring 10 is in a compression state at the moment, the restoring force of the spring 10 generates outward pushing force on the piston rod 9, when the fixed block 7 moves to the sleeve 8, the pull rope 11 is loosened, the piston rod 9 cannot receive the pulling force of the pull rope 11, and can be pushed outward under the action of the restoring force of the spring 10, so that the piston rod 9, meanwhile, the piston rod 9 penetrates through the limiting rod 20, so that the piston rod 9 is limited, so that the fixing block 7 is better limited, the fixing block 7 compresses the air bag 12, the air bag 12 deforms, the restoring force fixing block 7 of the air bag 12 pushes, the piston rod 9 and the air bag 12 clamp the fixing block 7, a better fixing effect on the fixing block 7 is realized, the air bag 12 compresses, so that air in the air bag 12 enters the sleeve 8 through an air pipe, the air pressure in the sleeve 8 is increased, the air pressure generates greater thrust on the piston rod 9, the piston rod 9 always penetrates through the fixing block 7 and the limiting rod 20 and cannot move, so that the position of the piston rod 9 is better limited, so that a better fixing effect on the fixing block 7 is realized, meanwhile, the drill bit 6 moves to enable the rack 18 to move, so that the rack 18 is meshed with the rotary gear 17, and the rack 18 moves to drive the rotary gear 17, the rotating gear 17 drives the fixed shaft 19 to rotate, the fixed shaft 19 drives the second bevel gear 16 to rotate, the second bevel gear 16 drives the first bevel gear 15 to rotate, the first bevel gear 15 drives the rotating shaft 13 to rotate, the rotating shaft 13 drives the threaded rod 14 to rotate, so that the threaded rod 14 moves along the thread direction of the threaded hole in the drill bit 6, the threaded rod 14 is rotated into the threaded hole, the threaded rod 14 fixes the drill bit 6, and the drill bit 6 is prevented from being separated.

Here, the fixing block 7 is fitted over the stopper rod 20, so that the fixing block 7 can only move in the axial direction of the stopper rod 20, thereby limiting the movement of the fixing block 7, thereby limiting the movement of the drill 6, thereby aligning the threaded hole with the threaded rod 14, and simultaneously limiting the rack 18 on the drill 6, thereby enabling the rack 18 to mesh with the rotary gear 17.

When the drill bit 6 needs to be detached, the pull rope 11 is pulled, the pull rope 11 pulls the piston rod 9 to move, the piston rod 9 moves into the sleeve 8 again, the fixing block 7 cannot be blocked by the piston rod 9, and the drill bit 6 cannot be blocked, so that the drill bit 6 can move freely, and the drill bit 6 can be detached.

In order to better limit the movement of the fixed block 7, a limiting rod 20 is arranged in the sliding groove, the limiting rod 20 penetrates through the fixed block 7, and the limiting rod 20 is connected with the fixed block 7 in a sliding mode.

In order to realize a better fixing effect on the fixing block 7, one end of the piston rod 9 extending out of the sleeve 8 penetrates through the fixing block 7 and the limiting rod 20, and the piston rod 9 is connected with the limiting rod 20 in a sliding mode.

For supporting the rotating shaft 13, a first bearing seat is arranged at the bottom of the groove, and one end of the rotating shaft 13, which is far away from the threaded rod 14, is positioned in the first bearing seat.

For supporting the stationary shaft 19, a second bearing seat is provided in the recess, in which second bearing seat one end of the stationary shaft 19 is located.

In order to allow the air bag 12 to return to the original position better, the air bag 12 is made of an elastic material.

When the device uses, fix drill bit 6 through fixed subassembly, avoid drill bit 6 to take place to rotate and reciprocate, make drill bit 6 be connected with connecting block 5 through coupling assembling to avoid drill bit 6 to drop, realize better fixed effect to drill bit 6, through operation pneumatic cylinder 4, drive drill bit 6 removes, realizes punching a hole of work piece.

Compared with the prior art, this hydraulic pressure punching device, realize the fixed of drill bit 6 through fixed establishment, through operation pneumatic cylinder 4, realize punching a hole of work piece, compare with current fixed establishment, this fixed establishment carries out dual fixed to drill bit 6 through fixed subassembly and coupling assembling, thereby realize better fixed effect to drill bit 6, this fixed establishment can realize fixing and unblock through simple pulling simultaneously, the use of parts such as bolt has been avoided, thereby the electric drill has been avoided, the use of instruments such as screwdriver, the dismouting of drill bit 6 has been made things convenient for.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The hydraulic punching device is characterized by comprising a base (1), a support rod (2), a cross rod (3), a hydraulic cylinder (4), a connecting block (5), a drill bit (6) and a fixing mechanism, wherein the cross rod (3) is arranged above the base (1) through the support rod (2), the hydraulic cylinder (4) is vertically arranged on the cross rod (3) downwards, the connecting block (5) is arranged on an output shaft of the hydraulic cylinder (4), a groove is formed in the connecting block (5), one end of the drill bit (6) is positioned in the groove, and the fixing mechanism is arranged in the groove;

the fixing mechanism comprises two fixing components and a connecting component, the two fixing components are respectively arranged on two sides of the groove, each fixing component comprises a fixing block (7), a sleeve (8), a piston rod (9), a spring (10), a pull rope (11) and an air bag (12), the fixing block (7) is arranged at one end of the drill bit (6) located in the groove, a sliding groove is formed in the groove, the fixing block (7) is located in the sliding groove, the fixing block (7) is connected with the sliding groove in a sliding mode, the sleeve (8) is arranged in the connecting block (5), one end of the piston rod (9) is located in the sleeve (8), the other end of the piston rod (9) extends out of the sleeve (8), one end of the piston rod (9) located in the sleeve (8) is connected with the sleeve (8) in a sealing mode, the spring (10) is arranged in the sleeve (8), the other end and the sleeve pipe (8) of spring (10) are connected, the other end and the piston connection of piston rod (9) of spring (10), gasbag (12) set up in the spout bottom, inside intercommunication of trachea and gasbag (12) is passed through in sleeve pipe (8), fixed block (7) support with gasbag (12) and lean on, the one end and the piston connection of piston rod (9) of stay cord (11), sleeve pipe (8) are passed to the other end of stay cord (11), coupling assembling includes pivot (13), threaded rod (14), first bevel gear (15), second bevel gear (16), commentaries on classics gear (17), rack (18) and fixed axle (19), pivot (13) set up in the recess bottom, threaded rod (14) set up on pivot (13), threaded rod (14) and pivot (13) coaxial setting, the one end that drill bit (6) are located the recess is equipped with the screw hole, threaded rod (14) are located the threaded hole, threaded rod (14) and screw hole threaded connection, first bevel gear (15) are established on pivot (13), fixed axle (19) set up in the recess, second bevel gear (16) are established on fixed axle (19), second bevel gear (16) and first bevel gear (15) meshing, change gear (17) are established on fixed axle (19), change gear (17) and fixed axle (19) key-type connection, rack (18) set up the one end that is located the recess at drill bit (6), rack (18) and change gear (17) meshing.

2. A hydraulic punching device according to claim 1, characterized in that a limiting rod (20) is arranged in the sliding slot, the limiting rod (20) passes through the fixed block (7), and the limiting rod (20) is slidably connected with the fixed block (7).

3. A hydraulic punching device according to claim 2, characterized in that the end of the piston rod (9) extending outside the sleeve (8) passes through the fixed block (7) and the stop rod (20), and the piston rod (9) is connected with the stop rod (20) in a sliding manner.

4. A hydraulic punching device according to claim 1, characterised in that the bottom of the recess is provided with a first bearing seat in which the end of the rotary shaft (13) remote from the threaded rod (14) is located.

5. A hydraulic punch device according to claim 1 characterised in that a second bearing block is provided in the recess, one end of the stationary shaft (19) being located in the second bearing block.

6. A hydraulic punch device according to claim 1 wherein the bladder (12) is of elastomeric material.