CN214918479U

CN214918479U - Automatic oxide skin cleaning device for upsetting of forging press

Info

Publication number: CN214918479U
Application number: CN202022903178.0U
Authority: CN
Inventors: 向代忠; 代士喜; 魏兵; 杨哲; 梁先勇
Original assignee: CHONGQING JIANGDONG MACHINERY CO LTD
Current assignee: CHONGQING JIANGDONG MACHINERY CO LTD
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2021-11-30
Anticipated expiration: 2030-12-04

Abstract

The utility model discloses an automatic descaling device for upsetting of forging press, which comprises a descaling collecting mechanism arranged on a workbench and positioned below a die and a driving mechanism arranged on the workbench and used for driving the descaling collecting mechanism to rotate in a reciprocating manner so as to descale; the oxide skin collecting mechanism comprises an installation groove arranged on the workbench and positioned right below the die body, an oxide skin cleaning disc arranged in the installation groove, a plurality of chutes arranged at the edge positions of the oxide skin cleaning disc at intervals around the oxide skin cleaning disc, a plurality of oxide skin collecting boxes arranged on the workbench and corresponding to the chutes in a one-to-one correspondence manner, and blanking channels communicated between the chutes and the oxide skin collecting boxes in a one-to-one correspondence manner; the driving mechanism comprises a rotating gear, a toothed bar meshed with the rotating gear and a driver connected with one end, far away from the rotating gear, of the toothed bar.

Description

Automatic oxide skin cleaning device for upsetting of forging press

Technical Field

The utility model relates to an automatic cleaning device of scale for upsetting of forging press.

Background

Upsetting is a forging process that reduces the height of the billet and increases the cross-section. When the local cross section of the billet is increased, the local upset is called local upsetting. The upsetting function comprises the steps of obtaining a forging with a larger cross section and a smaller height from a blank with a smaller cross section; the cross section and the flat end surface of the blank are enlarged before punching; the forging ratio during the next step of drawing is improved; the transverse mechanical property of the forge piece is improved, and the anisotropy is reduced; repeated upsetting and stretching are carried out to break up carbide in the alloy tool steel so as to ensure that the carbide is uniformly distributed.

When the forging machine is in an upsetting process, firstly, a heated high-temperature cylindrical alloy blank is placed on a lower anvil in a die to be upset, the excircle surface of the blank expands and deforms, and at the moment, oxide skin generated by high temperature begins to fall off, and the fallen oxide skin falls on the lower portion of the die along a gap between the upset lower anvil and the die. Along with the accumulation of time, these scales can pile up more, if not clear up the scale in time, will seriously influence the thick technology action of mound, influence product quality and shaping size moreover, reduce the yields. Traditional clearance is more that the manual work clears up, and is wasted time and energy to influence the progress, reduce efficiency. Therefore, there is a need for an automatic scale cleaning device that collects and cleans scale during the upsetting process of the forging machine.

SUMMERY OF THE UTILITY MODEL

To the not enough of above-mentioned prior art, the utility model aims to solve the technical problem that: the automatic scale cleaning device for upsetting of the forging press is simple and effective in structure, and can immediately and automatically clean scale, improve the efficiency of the forging machine.

In order to solve the technical problem, the utility model discloses a technical scheme be: the automatic oxide scale cleaning device for upsetting of the forging press is used for cleaning an oxide scale between a die body and an upsetting lower anvil of the forging press, and comprises an oxide scale collecting mechanism arranged on a workbench and positioned at the position below the die and a driving mechanism arranged on the workbench and used for driving the oxide scale collecting mechanism to rotate in a reciprocating manner so as to clean the oxide scale; the oxide skin collecting mechanism comprises an installation groove arranged on the workbench and positioned right below the die body, an oxide skin cleaning disc arranged in the installation groove, a plurality of chutes arranged at the edge positions of the oxide skin cleaning disc at intervals around the oxide skin cleaning disc, a plurality of oxide skin collecting boxes arranged on the workbench and corresponding to the chutes in a one-to-one correspondence manner, and blanking channels communicated between the chutes and the oxide skin collecting boxes in a one-to-one correspondence manner; the driving mechanism comprises a rotating gear fixed at the lower end of the oxide skin cleaning disc, a toothed bar meshed with the rotating gear and a driver connected with one end, far away from the rotating gear, of the toothed bar, and the driver drives the toothed bar to reciprocate inwards and outwards so as to drive the rotating gear to rotate.

Furthermore, the mounting groove is a circular mounting groove, the mounting groove and the die cavity of the upsetting lower anvil and the die body are coaxial, and the diameter of the mounting groove is larger than that of the die cavity of the die body.

Furthermore, the shape of the oxide skin cleaning disc is matched with that of the circular mounting groove, a first through hole for the ejector rod to penetrate upwards is formed in the position, corresponding to the ejector rod of the die, of the center of the oxide skin cleaning disc, and the ejector rod penetrates upwards through the working table and the oxide skin cleaning disc and then is ejected to the bottom end of the upsetting lower anvil.

Furthermore, the number of the chutes is four, and the four chutes are distributed on the circular edge of the oxide skin cleaning disc in a 90-degree mode.

Furthermore, the cross section of each chute is triangular, the upper end of each chute is upward and inclines towards the center direction of the oxide skin, the lower end of each chute is downward and inclines towards the corresponding oxide skin collecting box, and each chute is positioned right below the cavity wall of the die cavity of the die body and the upsetting lower anvil on the horizontal projection.

Furthermore, the oxide skin collecting boxes are four in one-to-one correspondence to the chutes, and the four oxide skin collecting boxes are arranged around the workbench in the 90-degree direction.

Furthermore, each oxide skin collecting box is located below the outer side of the corresponding chute, and each oxide skin collecting box is formed by inwards opening the outer side face of the workbench.

Furthermore, a gear accommodating groove coaxial with the mounting groove is formed in the workbench below the mounting groove, the upper end of the gear accommodating groove is communicated with the circular mounting groove, and the rotating gear is accommodated in the gear accommodating groove; the rotating gear is provided with a second through hole for the ejector rod to pass through upwards, and the second through hole and the first through hole are coaxial.

Furthermore, a toothed bar through groove is formed in the workbench from outside to inside corresponding to the gear accommodating groove, the inner end of the toothed bar through groove is communicated with the gear accommodating groove, and the outer end of the toothed bar through groove penetrates through the outer side face of the workbench.

Further, in the horizontal projection, the rack bar through groove is located on the side surface of the gear accommodating groove, and one side of the inner end of the rack bar through groove, which corresponds to the gear accommodating groove, coincides with the corresponding portion of the gear accommodating groove.

The utility model discloses an automatic cleaning device of scale for upsetting of forging press, the cinder that high temperature produced drops in the mould lower part along the clearance between anvil and mould under the upset, starts this time the driver promotes the reciprocal straight line action of ratch, and the rack drives the meshing gear and reciprocates and rotates to promote the reciprocal rotation of scale clearance dish, pile up under the upset in four chutes on the scale clearance dish of constantly falling into of the cinder between anvil and mould. When the four chutes are communicated with the four blanking channels on the workbench, the oxide skin slides into the oxide skin collecting box from the blanking channels. The device has compact transmission structure, stable and reliable operation, simultaneously adopts the driver for driving, is flexible, has small noise vibration, low cost, high speed, high efficiency, energy conservation and environmental protection.

Drawings

FIG. 1 is a schematic structural view of an embodiment of the automatic descaling device for upsetting in a forging press according to the present invention.

FIG. 2 is a plan view of the automatic descaling device for upsetting of forging press according to the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 and 2, the automatic descaling device for upsetting of a forging press according to the present embodiment includes a scale collecting mechanism 2 disposed on a table 10 and located below a die 11, and a driving mechanism 3 disposed on the table 10 for driving the scale collecting mechanism 2 to rotate back and forth to clean scale. Wherein:

the die 11 comprises a die outer cylinder 112 fixed on the workbench 10, a die body 114 arranged in the die outer cylinder 112, an upsetting lower anvil 116 arranged in a die cavity of the die body 114, and an ejector rod 118 vertically penetrating the workbench 10 and used for jacking the upsetting lower anvil 116 upwards to eject upwards. An upsetting upper anvil 119 is provided on the slide 14 of the forging press at a position corresponding to the upsetting lower anvil 116, and when upsetting a cylindrical blank, the cylindrical blank is placed in the die cavity of the die body 114 (on the upsetting lower anvil 116), and the upsetting upper anvil 119 is pressed down against the cylindrical blank by operating the press slide 14 downward, thereby completing the upsetting process.

In this embodiment, the upset anvil 116 has a clearance of 2-5mm from the cavity wall of the die cavity of the die body 114 (the clearance is determined according to the requirements of different embodiments). The outer mold cylinder 112 is fixed on the working table 10 through a pressing plate 12, a ring-shaped fixing groove for fixing the mold body 114 downward is formed at the lower end of the inner cavity of the outer mold cylinder 112, the ring-shaped fixing groove is formed by opening the inner cavity surface of the outer mold cylinder 112 outward, and the diameter of the ring-shaped fixing groove is larger than that of the inner cavity of the outer mold cylinder 112. The lower end of the die body 114 has a shoulder 1141 with a shape matching the annular fixing groove, and the shoulder 1141 of the die body 114 is limited in the annular fixing groove. A first positioning groove is provided in a position of the table 10 corresponding to the lower end surface of the mold outer cylinder 112, a first positioning pin 101 is inserted into the first positioning groove, a second positioning groove is provided in a position of the table 10 corresponding to the lower end surface of the mold body 114, and a second positioning pin 102 is inserted into the second positioning groove. A first limiting groove matched with the first positioning pin 101 in a positioning manner is arranged at the position, corresponding to the first positioning pin 101, of the lower end of the outer die cylinder 112, and a second limiting groove matched with the second positioning pin 102 in a positioning manner is arranged at the position, corresponding to the second positioning pin 102, of the lower end of the die body 114.

Regarding the scale collecting mechanism 2:

mechanism 2 is collected to cinder set up in on the workstation 10 lie in the mounting groove 21 of position department under the mould body 114, locate the cinder cleaning dish 22 in the mounting groove 21, a plurality of winds the cinder cleaning dish 22 set up with interval in the chute 23 of cinder cleaning dish 22 border position department, locate with the one-to-one on the workstation 10 corresponding to box 24, the one-to-one intercommunication are collected to a plurality of cinder of chute 23 position department in chute 23 with blanking passageway 25 between the box 24 is collected to the cinder. Wherein:

preferably, the mounting groove 21 is a circular mounting groove 21, the mounting groove 21 is coaxial with the die cavity of the upsetting lower anvil 116 and the die body 114, the diameter of the mounting groove 21 is slightly larger than the diameter of the die cavity of the die body 114, that is, the groove wall of the mounting groove 21 is surrounded outside the die cavity in a horizontal projection.

In this embodiment, the shape of the scale removing disk 22 is matched with the circular mounting groove 21, and is a flat circular shape, a first through hole for the ejector rod 118 to pass through upward is formed in a position, corresponding to the ejector rod 118, of the center of the scale removing disk 22, and the ejector rod 118 passes through the working platform 10 and the scale removing disk 22 upward and then pushes against the bottom end of the upsetting lower anvil 116.

The number of the chutes 23 is four, and the four chutes 23 are distributed on the circular edge of the scale removing disc 22 in a 90-degree manner. That is, the two opposite chutes 23 intersect at an angle of 90 degrees after connecting the lines. The cross section of the chute 23 is triangular, the upper end of the chute is upward and inclines towards the center direction of the oxide skin, the lower end of the chute is downward and inclines towards the corresponding oxide skin collecting box 24, and the chute 23 is used as a part of the oxide skin cleaning disc 22 and can be integrally formed with the oxide skin cleaning disc 22. In horizontal projection, each chute 23 is located right below the cavity wall of the cavity of the die body 114 and the upset anvil 116, that is, in horizontal projection, the outer edge of the chute 23 is located outside the cavity wall of the cavity, and the inner edge of the chute 23 is located inside the outer edge of the upset anvil 116.

The oxide skin collecting boxes 24 correspond to the chutes 23 one by one, and the four oxide skin collecting boxes 24 are arranged around the workbench 10 in a 90-degree direction, namely, the two opposite oxide skin collecting boxes 24 are intersected at a 90-degree angle after being connected. Each scale collecting box 24 is positioned at the outer lower part of the corresponding chute 23, and each scale collecting box 24 is formed by opening inwards from the outer side surface of the workbench 10. Preferably, a drawer is provided in each scale collecting box 24, and when the scale is full, the drawer is pulled outward to empty the scale in the drawer.

Blanking passageway 25 be with four of box 24 one-to-one are collected to chute 23 and cinder, blanking passageway 25 sets up in the workstation 10, the upper end of four blanking passageways 25 upwards and to the chute 23 direction slope that corresponds in order to communicate with the chute 23 that corresponds, the lower extreme of four blanking passageways 25 is down and to the orientation slope that the box 24 was collected to the cinder that corresponds in order to collect the box 24 intercommunication with the cinder that corresponds. Preferably, the inclination of each blanking channel 25 is identical, and the inclination of each blanking channel 25 is identical to the inclination of the corresponding chute 23, so that the scale can be very smoothly dropped into the blanking channel 25 from the chute 23 of the scale removing plate 22.

With regard to the drive mechanism 3:

the driving mechanism 3 includes a rotating gear 31 fixed to a lower end of the descaling disk 22, a rack bar 32 engaged with the rotating gear 31, and a driver 33 connected to an end of the rack bar 32 away from the rotating gear 31. Wherein:

a gear accommodating groove coaxial with the circular mounting groove 21 is formed in the workbench 10 below the circular mounting groove 21, the upper end of the gear accommodating groove is communicated with the circular mounting groove 21, the rotating gear 31 is accommodated in the gear accommodating groove, the upper end of the rotating gear 31 is coaxially fixed to the lower end of the scale removing disc 22 so as to be coaxial with the scale removing disc 22, the rotating gear 31 has a second through hole through which the ejector rod 118 passes upwards, and the second through hole is coaxial with the first through hole.

A gear rod 32 through groove is formed in the workbench 10 from outside to inside corresponding to the gear accommodating groove, the outer end of the gear rod 32 through groove penetrates through the outer side face of the workbench 10, and the inner end of the gear rod 32 through groove is communicated with the gear accommodating groove. In the horizontal projection, the through groove of the rack bar 32 is located on the side surface of the gear accommodating groove, and one side of the inner end of the through groove of the rack bar 32, which corresponds to the gear accommodating groove, is overlapped with the corresponding part of the gear accommodating groove, so that when the rack bar 32 is installed in the through groove of the rack bar 32, the inner end can be meshed with the rotating gear 31, and the outer end of the rack bar 32 is exposed on the outer side surface of the workbench 10.

The actuator 33 may be a hydraulic cylinder or a pneumatic cylinder driven by hydraulic pressure or a driving motor set driven by electric power. The output end of the driver 33 is connected to the outer end of the rack bar 32 to drive the inward and outward reciprocating movement of the rack bar 32. The reciprocating movement path can just make the scale cleaning disc 22 rotate 90 degrees around the axis in a reciprocating manner, so that the four chutes 23 can just scan the whole circumference, and the scale in the whole circumferential gap can fall into the chutes 23. The reciprocating travel can be determined in the existing manner, for example, by using a travel switch or directly setting the rotation degree of the driving motor set or setting the advancing and retreating travel of the hydraulic cylinder.

The utility model discloses an automatic cleaning device of scale for forging press jumping-up solves the automatic clearance problem of oxidation of forging press when upsetting to the circle blank. In the upsetting process, firstly, a heated high-temperature cylindrical alloy blank is placed on an upsetting lower anvil 116 in a die 11 for upsetting, a press slide block 14 is operated to enable an upsetting upper anvil 119 on the press slide block to press the blank downwards, the outer circle surface of the blank expands and deforms, scale generated due to high temperature begins to fall off at this time, the fallen scale falls on the lower portion of the die 11 along a gap between the upsetting lower anvil and the die 11, at this time, a driver 33 is started to push a toothed bar 32 to perform reciprocating linear motion, and a rack drives a meshing gear to perform reciprocating rotation, so that a scale cleaning disc 22 is pushed to perform reciprocating rotation, and the scale accumulated between the upsetting lower anvil and the die 11 continuously falls into four chutes 23 on the scale cleaning disc 22. When the four chutes 23 communicate with the four blanking passages 25 on the table 10, the scale slides from the blanking passages 25 into the scale collecting box 24. The device has compact transmission structure, stable operation, and is driven by the driver 33, flexible, low in noise vibration, low in cost, high in speed, high in efficiency, more energy-saving and environment-friendly.

The above is only the embodiment of the present invention, not the limitation of the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The utility model provides an automatic cleaning device of scale for forging press upset for clearance forges the scale between the die body of forging press and the upset anvil down, its characterized in that: the device comprises a scale cinder collecting mechanism arranged on a workbench and positioned below a die, and a driving mechanism arranged on the workbench and used for driving the scale cinder collecting mechanism to rotate in a reciprocating manner so as to clean the scale cinder; the oxide skin collecting mechanism comprises an installation groove arranged on the workbench and positioned right below the die body, an oxide skin cleaning disc arranged in the installation groove, a plurality of chutes arranged at the edge positions of the oxide skin cleaning disc at intervals around the oxide skin cleaning disc, a plurality of oxide skin collecting boxes arranged on the workbench and corresponding to the chutes in a one-to-one correspondence manner, and blanking channels communicated between the chutes and the oxide skin collecting boxes in a one-to-one correspondence manner; the driving mechanism comprises a rotating gear fixed at the lower end of the oxide skin cleaning disc, a toothed bar meshed with the rotating gear and a driver connected with one end, far away from the rotating gear, of the toothed bar, and the driver drives the toothed bar to reciprocate inwards and outwards so as to drive the rotating gear to rotate.

2. The automatic descaling device for upsetting of forging press as recited in claim 1, wherein: the mounting groove is a circular mounting groove, the mounting groove and the die cavity of the upsetting lower anvil and the die body are coaxial, and the diameter of the mounting groove is larger than that of the die cavity of the die body.

3. The automatic descaling device for upsetting of forging press as recited in claim 2, wherein: the shape of the oxide skin cleaning disc is matched with that of the circular mounting groove, a first through hole for the ejector rod to penetrate upwards is formed in the position, corresponding to the ejector rod of the die, of the center of the oxide skin cleaning disc, and the ejector rod penetrates upwards through the working table and the oxide skin cleaning disc and then pushes against the bottom end of the upsetting lower anvil.

4. The automatic descaling device for upsetting of forging press as recited in claim 3, wherein: the number of the chutes is four, and the four chutes are distributed on the circular edge of the oxide skin cleaning disc in a 90-degree mode.

5. The automatic descaling device for upsetting of forging press as recited in claim 4, wherein: the cross section of each chute is triangular, the upper end of each chute is upwards inclined towards the center direction of the oxide skin, the lower end of each chute is downwards inclined towards the corresponding oxide skin collecting box, and each chute is positioned right below the cavity wall of the cavity of the die body and the upsetting lower anvil on the horizontal projection.

6. The automatic descaling device for upsetting of forging press as recited in claim 5, wherein: the oxide skin collecting boxes are four in one-to-one correspondence with the chutes, and the four oxide skin collecting boxes are arranged around the workbench in 90-degree directions.

7. The automatic descaling device for upsetting of forging press as recited in claim 6, wherein: each oxide skin collecting box is located below the outer side of the corresponding chute, and each oxide skin collecting box is formed by inwards arranging the outer side surface of the workbench.

8. The automatic descaling device for upsetting by a forging press as recited in any one of claims 3 to 7, wherein: a gear accommodating groove coaxial with the mounting groove is formed in the workbench below the mounting groove, the upper end of the gear accommodating groove is communicated with the circular mounting groove, and the rotating gear is accommodated in the gear accommodating groove; the rotating gear is provided with a second through hole for the ejector rod to pass through upwards, and the second through hole and the first through hole are coaxial.

9. The automatic descaling device for upsetting of forging press as recited in claim 8, wherein: and a toothed bar through groove is formed in the position, corresponding to the gear accommodating groove, of the workbench from outside to inside, the inner end of the toothed bar through groove is communicated with the gear accommodating groove, and the outer end of the toothed bar through groove penetrates through the outer side face of the workbench.

10. The automatic descaling device for upsetting of forging press as recited in claim 9, wherein: in horizontal projection, the toothed bar through groove is located on the side face of the gear accommodating groove, and one side, corresponding to the gear accommodating groove, of the inner end of the toothed bar through groove is overlapped with the corresponding part of the gear accommodating groove.