CN112059087A

CN112059087A - A many drifts pneumatic pick pressure head device for construction machinery production

Info

Publication number: CN112059087A
Application number: CN202010879072.3A
Authority: CN
Inventors: 冯晓辰
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2020-12-11

Abstract

The invention discloses a multi-punch pneumatic pick pressing head device for production of construction machinery, relates to the technical field of machining, and solves the problems that the existing pneumatic pick pressing head is troublesome to operate in the process, the workload of workers is high, punches are easy to misplace in the forging and pressing process, waste products are generated, even the punches are damaged, and the working efficiency is low, and comprises a mounting base; the top of the mounting base is fixedly connected with a group of driving pieces; the middle part of the mounting base is connected with a group of forging pressing plates in a sliding manner; the upper part of the punch supporting frame is circumferentially arrayed and slidably connected with five groups of punch pieces; the left end face of the punch supporting frame is rotatably connected with a group of punch replacing transmission shafts. The invention realizes the automatic replacement of the punch piece while forging, avoids the manual replacement of the punch, has simpler operation, effectively prevents the situation of wrong replacement of the punch, greatly improves the working efficiency, reduces the labor intensity of workers and has good economic benefit.

Description

A many drifts pneumatic pick pressure head device for construction machinery production

Technical Field

The invention relates to the technical field of machining, in particular to a multi-punch pneumatic pick pressure head device for production of construction machinery.

Background

The pneumatic pick is often used in the building construction process, the pneumatic pick head needs certain strength in use, the pneumatic pick head is generally produced in a forging mode in the production process of the pneumatic pick head so as to ensure the strength of the pneumatic pick head, the pneumatic pick head generally needs to be forged and pressed in a memorial mode in the forging process of the pneumatic pick head, and a press is generally adopted for forging and pressing.

For example, application No.: CN 200810028826.3A hydraulic press for liquid-filling shaping of sheet material is composed of a lower beam, an upright post on the lower beam, an upper beam on the upright post, a stretching beam connected to the upright post in slide mode, a composite main cylinder on the upper beam, a coaxial linkage type drawing and edge-pressing unit under the stretching beam, a liquid chamber on the lower beam, a support oil tank containing hydraulic power control system, a supercharger, etc. the lower beam, upright post and upper beam are connected by upright post nuts to form a rigid body, the composite main cylinder is composed of a cylinder fixed on the upper beam, a main cylinder piston in the cylinder, a quick rod guide sleeve on the main cylinder piston, a quick rod in the quick rod guide sleeve, a built-in edge-pressing cylinder piston in the main cylinder piston, and a flange at the cylinder mouth of the cylinder, the main cylinder piston is connected with the stretching beam by a flange, the built-in edge-pressing cylinder piston is connected with the coaxial linkage type drawing and edge-pressing unit, the coaxial linkage type deep drawing and edge pressing device mainly comprises a drawing slide block fixed on a drawing beam, an edge pressing slide block coaxially and slidably connected to the drawing slide block and connected with a built-in edge pressing cylinder piston, and a male die fixed on the drawing slide block. Compared with the prior art, the invention has the advantages of universality of the die, reduction of die cost and shortening of production period.

Based on the above, in the existing air pick head pressing process, a worker needs to forge and press the air pick head sequentially through the plurality of punches, the operation is troublesome, the workload of the worker is high, the punches are easily misplaced in the forging and pressing process, waste products are generated, even the punches are damaged, and meanwhile, the working efficiency is low; thus, the existing need is not met, for which we propose a multi-punch pneumatic pick ram apparatus for construction machinery production.

Disclosure of Invention

The invention aims to provide a multi-punch pneumatic pick pressing head device for production of construction machinery, and aims to solve the problems that in the existing pneumatic pick pressing head process, workers need to forge and press the pneumatic pick through a plurality of punches in sequence, the operation is troublesome, the workload of the workers is high, the punches are easily misplaced in the forging process, waste products are generated, even the punches are damaged, and the working efficiency is low.

In order to achieve the purpose, the invention provides the following technical scheme: a multi-punch pneumatic pick head device for production of construction machinery comprises an installation base; the top of the mounting base is fixedly connected with a group of driving pieces; the middle part of the mounting base is connected with a group of forging pressing plates in a sliding manner; the piston rod of the driving piece is fixedly connected with the forging plate; the rear part of the mounting base is connected with a group of punch bearing plates through two groups of connecting rods; the upper parts of the two groups of connecting rods are hinged with two groups of connecting rods; the two groups of connecting rods at the upper part are connected with the forging plate; the top of the punch bearing plate is rotatably connected with a group of punch supporting frames; the upper part of the punch supporting frame is circumferentially arrayed and slidably connected with five groups of punch pieces; the left end face of the punch supporting frame is rotatably connected with a group of punch replacing transmission shafts.

Preferably, the installation base further comprises guide shafts, two groups of guide shafts are fixedly connected to the left side and the right side of the installation base, and the forging plate is connected with the installation base in a sliding mode through the four groups of guide shafts.

Preferably, the connecting rods on the upper part are connected by a cross hinge to form a scissor fork mechanism together, the two groups of connecting rods on the lower part are connected by a cross hinge to form a scissor fork mechanism together, and the two groups of scissor fork mechanisms are connected in series to form a two-stage scissor fork mechanism.

Preferably, the punch replacing transmission shaft further comprises a ratchet mechanism and a driven gear, and the outer side of the punch replacing transmission shaft is coaxially connected with a group of driven gears through the ratchet mechanism.

Preferably, the mounting base further comprises a punch replacing driving rack, the lower portion of the left side of the mounting base is fixedly connected with a group of punch replacing driving racks, and the punch replacing driving racks and the driven gear are meshed to form a gear-rack transmission mechanism together.

Preferably, the punch supporting frame further comprises a driven bevel gear, the bottom of the punch supporting frame is coaxially and fixedly connected with a group of driven bevel gears, the punch replacing transmission shaft further comprises a driving bevel gear, the right end face of the punch replacing transmission shaft is coaxially and fixedly connected with a group of driving bevel gears, and the driving bevel gears and the driven bevel gears are meshed to form a bevel gear transmission mechanism together.

Preferably, the punch piece further comprises a guide groove and supporting springs, the guide groove is formed in the circumferential array on the upper portion of the punch piece, the punch piece is connected with the punch supporting frame in a sliding mode through the guide groove, a group of supporting springs are arranged at the bottom of the punch piece, and the punch piece is connected with the punch supporting frame in an elastic mode through the supporting springs.

Preferably, the mounting base further comprises a bottom module, the lower portion of the mounting base is fixedly connected with a group of bottom modules, the forging plate further comprises a stamping head, the front portion of the lower end face of the forging plate is fixedly connected with a group of stamping heads, and the bottom module, the stamping heads and the foremost group of stamping head components are located on the same vertical axis.

Compared with the prior art, the invention has the beneficial effects that:

the invention realizes linkage lifting of the punch bearing plate in the forging process by adopting the two-stage scissor mechanism, and realizes the rotation of the punch support frame by adopting transmission modes such as a gear-rack transmission mechanism, a ratchet mechanism, a bevel gear transmission mechanism and the like, thereby realizing the replacement of the punch piece.

The invention realizes the automatic replacement of the punch piece while forging, avoids the manual replacement of the punch, has simpler operation, effectively prevents the situation of wrong replacement of the punch, greatly improves the working efficiency, reduces the labor intensity of workers and has good economic benefit.

Drawings

FIG. 1 is a schematic side view of the present invention;

FIG. 2 is a schematic rear axle side construction of the present invention;

FIG. 3 is a schematic axial side view of the punch carrier plate of the present invention;

FIG. 4 is a schematic side view of the drive shaft of the punch support of the present invention;

FIG. 5 is a schematic side view of the mounting base of the present invention;

FIG. 6 is a schematic side view of a punch-replaceable drive shaft according to the present invention;

FIG. 7 is a schematic axial side view of the punch element of the present invention;

FIG. 8 is a schematic isometric cross-sectional view of a punch carrier according to the present invention;

FIG. 9 is a schematic axial side view of the punch support cage of the present invention;

in the figure: 1. installing a base; 101. a bottom module; 102. a guide shaft; 103. replacing the driving rack by the punch; 2. a drive member; 3. forging a pressing plate; 301. punching a head; 4. a punch bearing plate; 5. a punch support frame; 501. a driven bevel gear; 6. the driving shaft of the punch is replaced; 601. a ratchet mechanism; 602. a driven gear; 603. a drive bevel gear; 7. a punch member; 701. a guide groove; 702. a support spring; 8. a connecting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1 to 9, an embodiment of the present invention includes: a multi-punch pneumatic pick head device for production of construction machinery comprises a mounting base 1; the top of the mounting base 1 is fixedly connected with a group of driving pieces 2; the middle part of the mounting base 1 is connected with a group of forging press plates 3 in a sliding way; a piston rod of the driving piece 2 is fixedly connected with the forging plate 3; the rear part of the mounting base 1 is connected with a group of punch bearing plates 4 through two groups of connecting rods 8; the upper parts of the two groups of connecting rods 8 are hinged with two groups of connecting rods 8; the two groups of connecting rods 8 at the upper part are connected with the forging plate 3; the top of the punch bearing plate 4 is rotatably connected with a group of punch supporting frames 5; five groups of punch pieces 7 are arranged in a circumferential array on the upper part of the punch support frame 5 and are connected in a sliding manner; the left end surface of the punch supporting frame 5 is rotatably connected with a group of punch replacing transmission shafts 6.

Further, the installation base 1 further comprises guide shafts 102, two groups of guide shafts 102 are fixedly connected to the left side and the right side of the installation base 1, the forging plate 3 is slidably connected with the installation base 1 through the four groups of guide shafts 102, and in use, the forging plate 3 is guided through the four groups of guide shafts 102.

Further, 8 cross hinged joint of connecting rod on upper portion constitute jointly and cut fork mechanism, and two sets of 8 cross hinged joint of connecting rod on lower part constitute jointly and cut fork mechanism, and two sets of scissors mechanism establish ties and form second grade scissors mechanism, and in use, when forging and pressing board 3 slides from top to bottom, forging and pressing board 3 drives drift loading board 4 through second grade scissors mechanism and goes up and down, and drift loading board 4's the half of the height that goes up and down for forging and pressing board 3.

Further, the punch replacing transmission shaft 6 further comprises a ratchet mechanism 601 and a driven gear 602, the outer side of the punch replacing transmission shaft 6 is coaxially connected with a group of driven gears 602 through the ratchet mechanism 601, and in use, one-way transmission between the driven gears 602 and the punch replacing transmission shaft 6 is realized through the ratchet mechanism 601.

Further, the installation base 1 also comprises a punch replacing driving rack 103, the lower part of the left side of the installation base 1 is fixedly connected with a group of punch replacing driving racks 103, the punch replacing driving racks 103 and the driven gear 602 are meshed to form a gear rack transmission mechanism together, in use, when the punch carrier plate 4 is slid down until the punch replacement drive rack 103 engages the driven gear 602, under the driving action of a gear rack transmission mechanism formed by meshing the punch replacing driving rack 103 and the driven gear 602, the driven gear 602 rotates, the ratchet mechanism 601 idles, when the punch carrier plate 4 is slid upward until the punch replacement driving rack 103 engages with the driven gear 602, under the driving action of a rack-and-pinion transmission mechanism formed by meshing the punch replacing drive rack 103 and the driven gear 602, the driven gear 602 rotates, and the driven gear 602 drives the punch replacing transmission shaft 6 to rotate through the ratchet mechanism 601.

Further, punch holder 5 is still including driven bevel gear 501, the coaxial fixedly connected with a set of driven bevel gear 501 in bottom of punch holder 5, drive shaft 6 is changed to the punch still including initiative bevel gear 603, the coaxial fixedly connected with a set of drive bevel gear 603 of right-hand member face of drive shaft 6 is changed to the punch, drive bevel gear 603 and driven bevel gear 501 meshing constitute bevel gear drive jointly, when using, it is rotatory to change drive shaft 6 as the punch, punch change drive shaft 6 drives punch holder 5 through the drive bevel gear 603 and the common bevel gear drive that constitutes of driven bevel gear 501 meshing, realize the change of punch piece 7.

Further, the punch component 7 further comprises a guide groove 701 and support springs 702, the guide groove 701 is arranged on the upper portion of the punch component 7 in a circumferential array, the punch component 7 is connected with the punch support frame 5 in a sliding mode through the guide groove 701, a group of support springs 702 are arranged at the bottom of the punch component 7, the punch component 7 is elastically connected with the punch support frame 5 through the support springs 702, and in use, the punch component 7 is supported through the support springs 702.

Further, installation base 1 still includes end module 101, the lower part fixedly connected with of installation base 1 a set of end module 101, forging plate 3 is still including punching press head 301, a set of punching press head 301 of end face fixedly connected with under forging plate 3, die block 101, punching press head 301 and foremost a set of punch piece 7 are located same vertical axis, in use, slide down when forging plate 3, forging plate 3 moves punch piece 7 through punching press head 301 down, forge the work piece in the die block 101 through punch piece 7.

The working principle is as follows: when the forging die is used, firstly, a workpiece is placed in the bottom die block 101, the driving piece 2 drives the forging plate 3 to slide downwards, the forging plate 3 drives the punch bearing plate 4 to descend through the two-stage scissor mechanism, the forging plate 3 presses the punch piece 7 downwards through the stamping head 301, the workpiece in the bottom die block 101 is forged through the punch piece 7, after forging is completed, the driving piece 2 drives the forging plate 3 to slide upwards, the forging plate 3 drives the punch bearing plate 4 to ascend through the two-stage scissor mechanism, when the punch bearing plate 4 slides downwards, the punch replacing driving rack 103 is meshed with the driven gear 602, under the driving action of the gear-rack transmission mechanism formed by meshing the punch replacing driving rack 103 and the driven gear 602, the driven gear 602 rotates, the ratchet mechanism 601 idles, when the punch bearing plate 4 slides upwards, the punch replacing driving rack 103 is meshed with the driven gear 602, and under the driving action of the gear-rack transmission mechanism formed by meshing the punch replacing driving rack 103 and the driven gear 602 together Next, the driven gear 602 rotates, the driven gear 602 drives the punch replacing transmission shaft 6 to rotate through the ratchet mechanism 601, and the punch replacing transmission shaft 6 drives the punch supporting frame 5 to rotate through a bevel gear transmission mechanism formed by meshing the driving bevel gear 603 and the driven bevel gear 501 together, so as to replace the punch piece 7.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a many drift pneumatic pick pressure head device for construction machinery production which characterized in that: comprises a mounting base (1); the top of the mounting base (1) is fixedly connected with a group of driving pieces (2); the middle part of the mounting base (1) is connected with a group of forging pressing plates (3) in a sliding manner; a piston rod of the driving piece (2) is fixedly connected with the forging pressing plate (3); the rear part of the mounting base (1) is connected with a group of punch bearing plates (4) through two groups of connecting rods (8); the upper parts of the two groups of connecting rods (8) are hinged with two groups of connecting rods (8); the two groups of connecting rods (8) at the upper part are connected with the forging press plate (3); the top of the punch bearing plate (4) is rotatably connected with a group of punch supporting frames (5); five groups of punch pieces (7) are arranged in a sliding manner in a circumferential array on the upper part of the punch support frame (5); the left end face of the punch supporting frame (5) is rotatably connected with a group of punch replacing transmission shafts (6).

2. A multi-ram air pick ram apparatus for use in the production of construction machinery as claimed in claim 1, wherein: the installation base (1) further comprises guide shafts (102), the left side and the right side of the installation base (1) are fixedly connected with two groups of guide shafts (102), and the forging pressing plate (3) is connected with the installation base (1) in a sliding mode through the four groups of guide shafts (102).

3. A multi-ram air pick ram apparatus for use in the production of construction machinery as claimed in claim 1, wherein: the connecting rods (8) on the upper part are connected through the cross hinge to form a scissor fork mechanism together, the two groups of connecting rods (8) on the lower part are connected through the cross hinge to form a scissor fork mechanism together, and the two groups of scissor fork mechanisms are connected in series to form a two-stage scissor fork mechanism.

4. A multi-ram air pick ram apparatus for use in the production of construction machinery as claimed in claim 1, wherein: the punch replacing transmission shaft (6) further comprises a ratchet mechanism (601) and a driven gear (602), and the outer side of the punch replacing transmission shaft (6) is coaxially connected with a group of driven gears (602) through the ratchet mechanism (601).

5. A multi-ram air pick ram apparatus for use in the production of construction machinery as claimed in claim 1, wherein: the installation base (1) further comprises a punch replacing driving rack (103), the lower portion of the left side of the installation base (1) is fixedly connected with a group of punch replacing driving racks (103), and the punch replacing driving racks (103) are meshed with the driven gear (602) to form a gear-rack transmission mechanism together.

6. A multi-ram air pick ram apparatus for use in the production of construction machinery as claimed in claim 1, wherein: the punch supporting frame (5) further comprises driven bevel gears (501), a group of driven bevel gears (501) are coaxially and fixedly connected to the bottom of the punch supporting frame (5), the punch replacing transmission shaft (6) further comprises a driving bevel gear (603), a group of driving bevel gears (603) are coaxially and fixedly connected to the right end face of the punch replacing transmission shaft (6), and the driving bevel gears (603) and the driven bevel gears (501) are meshed to form a bevel gear transmission mechanism together.

7. A multi-ram air pick ram apparatus for use in the production of construction machinery as claimed in claim 1, wherein: the punch piece (7) further comprises guide grooves (701) and supporting springs (702), the guide grooves (701) are arranged on the upper portion of the punch piece (7) in a circumferential array mode, the punch piece (7) is connected with the punch supporting frame (5) in a sliding mode through the guide grooves (701), a group of supporting springs (702) are arranged at the bottom of the punch piece (7), and the punch piece (7) is elastically connected with the punch supporting frame (5) through the supporting springs (702).

8. A multi-ram air pick ram apparatus for use in the production of construction machinery as claimed in claim 1, wherein: the installation base (1) further comprises a bottom module (101), the lower portion of the installation base (1) is fixedly connected with a group of bottom modules (101), the forging pressing plate (3) further comprises a stamping head (301), the front portion of the lower end face of the forging pressing plate (3) is fixedly connected with a group of stamping heads (301), and the bottom module (101), the stamping heads (301) and the front group of stamping head pieces (7) are located on the same vertical axis.