CN113981514A

CN113981514A - Electroplating device for powder metallurgy sintering molding aftertreatment

Info

Publication number: CN113981514A
Application number: CN202111325283.3A
Authority: CN
Inventors: 姚国强
Original assignee: Ningbo Xinmu Technology Co ltd
Current assignee: Ningbo Xinmu Technology Co ltd
Priority date: 2021-11-10
Filing date: 2021-11-10
Publication date: 2022-01-28
Anticipated expiration: 2041-11-10
Also published as: CN113981514B

Abstract

The invention relates to the technical field of powder metallurgy, and discloses an electroplating device for powder metallurgy sintering molding post-treatment, which comprises an electrolytic cell, wherein a part frame is arranged on the electrolytic cell, a movable support is arranged on the electrolytic cell, a mechanical arm is arranged on the movable support, a connecting plate is arranged on the mechanical arm, the electrolytic cell is provided with a displacement mechanism, and the movable support is connected with the electrolytic cell through the displacement mechanism; still be provided with on the electrolytic bath on the on-off mechanism, this electroplating device for powder metallurgy sintering shaping aftertreatment can drive movable support and arm through the displacement mechanism that sets up and slide around the top of electrolytic bath, the arm is prolonged correspondingly and is shortened and to press from both sides and get the sinter and install it on the negative pole of electrolytic bath, electroplate, in addition can make the arm extension drive the connecting plate when moving down through the on-off mechanism who sets up, two door plants are automatic to the inward movement seal the electrolytic bath, avoid electrolyte to take place to splash after being heated, the safety protection performance of device has been improved.

Description

Electroplating device for powder metallurgy sintering molding aftertreatment

Technical Field

The invention relates to the technical field of powder metallurgy, in particular to an electroplating device for post-treatment of powder metallurgy sintering molding.

Background

Powder metallurgy is a process technique for producing metal powder or metal powder (or a mixture of metal powder and nonmetal powder) as a raw material, and then forming and sintering the raw material to produce metal materials, composite materials and various products. The powder metallurgy technology has been widely applied to the fields of traffic, machinery, electronics, aerospace, biology, new energy and the like, and becomes one of the most active branches in new material science. The powder metallurgy technology has a series of advantages of remarkable energy saving, material saving, excellent performance, high product precision, good stability and the like, and is very suitable for mass production. After the raw material powder is sintered and molded by using a powder metallurgy process, a post-treatment process is required to endow other properties to the sinter, electroplating is one of the post-treatment processes, and electroplating is a process of plating a thin layer of other metals or alloys on the surface of the sinter by utilizing an electrolysis principle, so that the functions of preventing metal oxidation (such as corrosion), improving wear resistance, conductivity, light reflection, corrosion resistance, improving the appearance and the like can be achieved.

The existing electroplating device for powder metallurgy sintering molding post-treatment has poor safety protection performance, after sintered materials are installed on a cathode of an electrolytic cell by using a mechanical arm matched with a mobile device such as a gantry crane on an electroplating production line, the electrolytic cell starts to operate, the electrolytic cell is exposed outside at the moment, splashing can occur after the electrolyte is heated, the electrolyte waste can be caused, and certain safety risk can be caused.

Disclosure of Invention

The invention provides an electroplating device for powder metallurgy sintering molding post-treatment, which has the beneficial effects of automatically sealing an electrolytic cell during electrolysis, avoiding splashing of electrolyte and solving the problems that the electrolytic cell is exposed outside during operation of the electrolysis equipment and the electrolyte splashes after being heated, so that the electrolyte is wasted and certain safety risk is caused.

The invention provides the following technical scheme: an electroplating device for powder metallurgy sintering molding post-treatment comprises an electrolytic cell, wherein a part frame is arranged on the electrolytic cell, a movable support is arranged on the electrolytic cell, a mechanical arm is arranged on the movable support, a connecting plate is arranged on the mechanical arm, the electrolytic cell is provided with a displacement mechanism, and the movable support is connected with the electrolytic cell through the displacement mechanism;

still be provided with on the electrolytic bath switch mechanism, switch mechanism including slide set up in door plant on the electrolytic bath, the second rotary tank has been seted up on the electrolytic bath, the second rotary tank internal rotation is provided with the second lead screw, the door plant slide set up in on the second lead screw, be provided with the second gear on the second lead screw, be provided with the rack on the connecting plate, just the rack with second gear looks adaptation.

As an alternative of the electroplating device for the powder metallurgy sintering and molding post-treatment, the electroplating device comprises: the switch mechanism further comprises a first limiting groove formed in the electrolytic cell, a first limiting block is arranged on the door plate, and the first limiting block is arranged in the first limiting groove in a sliding mode.

As an alternative of the electroplating device for the powder metallurgy sintering and molding post-treatment, the electroplating device comprises: the electrolytic cell comprises an electrolytic cell body, wherein the electrolytic cell body is provided with two switching mechanisms, and the two switching mechanisms are symmetrically arranged on the electrolytic cell body.

As an alternative of the electroplating device for the powder metallurgy sintering and molding post-treatment, the electroplating device comprises: the displacement mechanism comprises a first rotary groove arranged on the electrolytic cell, a first lead screw is arranged in the first rotary groove in a rotating mode, the movable support is arranged on the first lead screw in a sliding mode, a motor is arranged on the first lead screw, and the motor is arranged on the electrolytic cell.

As an alternative of the electroplating device for the powder metallurgy sintering and molding post-treatment, the electroplating device comprises: the first rotary groove and the first lead screw are respectively provided with two, and the first rotary groove and the first lead screw are symmetrically arranged on the electrolytic cell, two first gears are respectively arranged on the first lead screw, and two chains are arranged on the first gears in a sliding manner.

As an alternative of the electroplating device for the powder metallurgy sintering and molding post-treatment, the electroplating device comprises: the displacement mechanism further comprises two slide rails symmetrically arranged on the electrolytic cell, two slide blocks are symmetrically arranged on the movable support, and the two slide blocks are respectively arranged on the two slide rails in a sliding manner.

As an alternative of the electroplating device for the powder metallurgy sintering and molding post-treatment, the electroplating device comprises: still be provided with fixed establishment on the electrolytic bath, fixed establishment is including seting up respectively in two draw-in grooves on the door plant, set up two first spouts on the electrolytic bath, two equal slip is provided with the fixture block in the first spout, and two the fixture block respectively with two draw-in groove looks adaptation, two all be provided with the spring on the fixture block, two the fixture block is respectively through two spring and two first spout elastic connection.

As an alternative of the electroplating device for the powder metallurgy sintering and molding post-treatment, the electroplating device comprises: two second sliding grooves are formed in the electrolytic cell and are respectively communicated with the two first sliding grooves, sliding rods are arranged on the clamping blocks, and the two sliding rods are respectively arranged in the two second sliding grooves in a sliding mode.

As an alternative of the electroplating device for the powder metallurgy sintering and molding post-treatment, the electroplating device comprises: the connecting plate is also provided with a hook plate, and the hook plate is matched with the two sliding rods.

As an alternative of the electroplating device for the powder metallurgy sintering and molding post-treatment, the electroplating device comprises: two second limiting grooves are formed in the first sliding grooves, two second limiting blocks are arranged on the clamping blocks, and the second limiting blocks are arranged in the second limiting grooves in a sliding mode respectively.

The invention has the following beneficial effects:

1. the electroplating device for the powder metallurgy sintering forming post-treatment can drive the movable support to slide back and forth along the upper part of the electrolytic cell through the arranged displacement mechanism, when the device operates, the movable support is driven by the displacement mechanism to slide forward to the upper part of a part frame and stop, then the mechanical arm can extend downwards and grab sinter through the operation of the mechanical arm, then the displacement mechanism drives the movable support to move backwards to the cathode of the electrolytic cell, at the moment, the mechanical arm extends again to put down the sinter to be installed on the cathode, then the electrolytic cell can operate for electroplating, in addition, when the mechanical arm extends to drive the connecting plate to move downwards through the arranged switch mechanism, the two racks drive the two second gear wheels to rotate, then the two second gear wheels drive the two second lead screws to rotate, the two second lead screws drive the two door plates to move towards the middle part to seal the electrolytic cell, the electrolyte is prevented from splashing after being heated, and the safety protection performance of the device is improved.

2. This powder metallurgy sintering shaping is electroplating device for aftertreatment, can make two door plants when the electrolytic bath is closed in the inward shift through the fixed establishment who sets up, the cambered surface of two door plants can support two fixture blocks and promote it backward, make two fixture blocks slide and compress two springs backward along two first spouts, when two door plant displacements match with two fixture blocks respectively to two draw-in grooves, thereby two fixture blocks can be fixed with the position of two door plants in two draw-in grooves of automatic forward pop-up card access under the rebound effect of two springs, thereby strengthen the closure to the electrolytic bath, further improve the security, when the arm clamp was got and is lived the sinter rebound after electroplating the completion, two fixture blocks will pop out in two draw-in grooves automatically.

3. This electroplating device is used in powder metallurgy sintering shaping aftertreatment is provided with two first lead screws through the symmetry in displacement mechanism to realize the transmission between two first lead screws through chain and two first gears, can be so that the displacement thrust that the movable support received is balanced, make to remove more stable.

Drawings

Fig. 1 is a first overall structural schematic diagram of the present invention.

Fig. 2 is a second overall structure diagram of the present invention.

Fig. 3 is a schematic diagram of a first explosive structure of the present invention.

Fig. 4 is a schematic diagram of a second explosive structure of the present invention.

Fig. 5 is a schematic view of the internal structure of the present invention.

Fig. 6 is a partially enlarged view of a portion a in fig. 5.

In the figure: 1. an electrolytic cell; 2. a part frame; 3. moving the support; 4. a mechanical arm; 401. a connecting plate; 5. a displacement mechanism; 501. a first rotary groove; 502. a first lead screw; 503. a motor; 504. a first gear; 505. a chain; 506. a slide rail; 507. a slider; 6. a switch mechanism; 601. a door panel; 602. a second rotary groove; 603. a second lead screw; 604. a second gear; 605. a rack; 606. a first stopper; 607. a first limit groove; 7. a fixing mechanism; 701. a card slot; 702. a first chute; 703. a clamping block; 704. a spring; 705. a second chute; 706. a slide bar; 707. hooking the plate; 708. a second limiting block; 709. a second limit groove.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-6, an electroplating device for powder metallurgy sintering molding post-treatment comprises an electrolytic cell 1, wherein a part frame 2 is arranged on the electrolytic cell 1, a movable support 3 is arranged on the electrolytic cell 1, a mechanical arm 4 is arranged on the movable support 3, a connecting plate 401 is arranged on the mechanical arm 4, a displacement mechanism 5 is arranged on the electrolytic cell 1, and the movable support 3 is connected with the electrolytic cell 1 through the displacement mechanism 5;

the electrolytic cell 1 is further provided with a switch mechanism 6, the switch mechanism 6 comprises a door plate 601 which is arranged on the electrolytic cell 1 in a sliding manner, the electrolytic cell 1 is provided with a second rotary groove 602, a second lead screw 603 is arranged in the second rotary groove 602 in a rotating manner, the door plate 601 is arranged on the second lead screw 603 in a sliding manner, a second gear 604 is arranged on the second lead screw 603, a rack 605 is arranged on the connecting plate 401, and the rack 605 is matched with the second gear 604.

In this embodiment: the anode arranged inside the electrolytic cell 1 is positioned at the front part of the cell body and is composed of plating metal, the cathode is positioned at the rear part of the cell body, a part frame 2 arranged on the electrolytic cell 1 is used for placing sinter formed by powder metallurgy, a movable support 3 can be driven to slide back and forth along the upper part of the electrolytic cell 1 through a set displacement mechanism 5, when the device runs, the movable support 3 is driven to slide forwards to the upper part of the part frame 2 through the displacement mechanism 5 and stop, then the sintered sinter can be extended downwards and grabbed through the running of a mechanical arm 4, then the movable support 3 is driven to move backwards to the cathode of the electrolytic cell 1 through the displacement mechanism 5, at the moment, the mechanical arm 4 is extended again to put down the sinter to be arranged on the cathode, and then the electrolytic cell 1 can run to carry out electroplating;

in addition, in order to prevent the electrolyte from splashing when being heated during electroplating, the electrolytic cell 1 is further provided with a switch mechanism 6, when the mechanical arm 4 moves to the cathode and begins to extend downwards, the connecting plate 401 descends together, at the moment, the rack 605 moves downwards along with the connecting plate 401 and is meshed with the second gear 604 to further drive the second gear 604 to rotate, then the second gear 604 drives the second lead screw 603 to rotate, under the limiting action that the door plate 601 slides along the electrolytic cell 1, the second lead screw 603 drives the door plate 601 to move towards the middle part to seal the electrolytic cell 1 so as to prevent the electrolyte from splashing, after the door plate 601 is sealed, the rack 605 is separated from the second gear 604, and meanwhile, a certain gap is left between the door plate 601 and the electrolytic cell 1 for the mechanical arm 4 to pass through, so that a part of gas and heat generated during electroplating can be dissipated, thereby avoiding the accumulation of the gas and the heat and increasing the safety, and the middle position where the electrolyte is easy to splash is avoided, the safety protection performance cannot be influenced, at the moment, the mechanical arm 4 continues to descend and can reach the cathode to install the sinter, after the installation, the mechanical arm 4 moves upwards for a certain distance to leave the electrolyte, at the moment, the rack 605 is not in contact with the second gear 604, after the electroplating is completed, the mechanical arm 4 firstly moves downwards to grab the sinter and then continues to move upwards, the second gear 604 and the second lead screw 603 are driven to rotate reversely to open the door panel 601, and the whole electroplating process is completed.

The switch mechanism 6 further comprises a first limiting groove 607 arranged on the electrolytic cell 1, a first limiting block 606 is arranged on the door plate 601, and the first limiting block 606 is slidably arranged in the first limiting groove 607.

In this embodiment: the door plate 601 can be limited by sliding the first limiting block 606 along the first limiting groove 607, so that the door plate can only slide left and right along the surface of the electrolytic cell 1 within the range of the first limiting groove 607.

The number of the switch mechanisms 6 is two, and the two switch mechanisms 6 are symmetrically arranged on the electrolytic cell 1.

In this embodiment: two opening and closing mechanisms 6 are symmetrically arranged on the left side and the right side, the rotating directions of two second gears 604 are the same, but the thread directions of two second lead screws 603 are opposite, so that two door plates 601 can move close to each other and can be attached when being closed, and the electrolytic cell 1 can be completely closed.

Example 2

Referring to fig. 1-6, the displacement mechanism 5 includes a first rotating groove 501 opened on the electrolytic cell 1, a first lead screw 502 is rotatably disposed in the first rotating groove 501, the moving bracket 3 is slidably disposed on the first lead screw 502, a motor 503 is disposed on the first lead screw 502, and the motor 503 is disposed on the electrolytic cell 1.

In this embodiment: through the positive and negative operation of the motor 503, the first lead screw 502 can be driven to rotate positively and negatively, so as to drive the movable support 3 to move back and forth along the upper part of the electrolytic cell 1, and the first lead screw 502 rotates in the first rotary groove 501 and also rotates on the rear side wall of the electrolytic cell 1, so that the stability of the rotation of the first lead screw 502 is improved.

The first rotating grooves 501 and the first lead screws 502 are respectively provided with two, the two first rotating grooves 501 and the two first lead screws 502 are respectively symmetrically arranged on the electrolytic cell 1, the two first lead screws 502 are respectively provided with a first gear 504, and the two first gears 504 are provided with chains 505 in a sliding manner.

In this embodiment: two first rotary grooves 501 and two first lead screws 502 are symmetrically arranged on the left and right, transmission is achieved between the two first lead screws 502 through chains 505 and two first gears 504, the thread directions of the two first lead screws 502 are the same, and displacement thrust applied to the moving support 3 is the same, so that the displacement thrust received by the moving support 3 is balanced, and the moving is more stable.

The displacement mechanism 5 further comprises two slide rails 506 symmetrically arranged on the electrolytic cell 1, two slide blocks 507 are symmetrically arranged on the movable support 3, and the two slide blocks 507 are respectively arranged on the two slide rails 506 in a sliding manner.

In this embodiment: the two sliding blocks 507 respectively slide back and forth along the two sliding rails 506 to limit the moving bracket 3, so that the moving bracket can only slide back and forth within the range of the two sliding rails 506.

Example 3

Referring to fig. 1-6, the electrolytic cell 1 is further provided with a fixing mechanism 7, the fixing mechanism 7 includes two locking grooves 701 respectively formed on the two door panels 601, the electrolytic cell 1 is provided with two first sliding grooves 702, the two first sliding grooves 702 are both slidably provided with locking blocks 703, the two locking blocks 703 are respectively adapted to the two locking grooves 701, the two locking blocks 703 are both provided with springs 704, and the two locking blocks 703 are respectively elastically connected to the two first sliding grooves 702 through the two springs 704.

In this embodiment: when the two door plates 601 move towards the direction close to each other, the arc surfaces of the two door plates 601 abut against the two clamping blocks 703 to push the two clamping blocks 703 backwards, so that the two clamping blocks 703 slide backwards along the two first sliding grooves 702 and compress the two springs 704, and when the two door plates 601 move to the two clamping grooves 701 to be respectively matched with the two clamping blocks 703, the two clamping blocks 703 automatically bounce forwards under the rebounding action of the two springs 704 to insert the two clamping grooves 701 so as to fix the positions of the two door plates 601, and the sealing performance of the electrolytic cell 1 is enhanced.

Two second sliding grooves 705 are formed in the electrolytic cell 1, the two second sliding grooves 705 are respectively communicated with the two first sliding grooves 702, sliding rods 706 are arranged on the two clamping blocks 703, and the two sliding rods 706 are respectively arranged in the two second sliding grooves 705 in a sliding manner.

In this embodiment: after the two clamping blocks 703 are respectively clamped into the two clamping grooves 701, the two door plates 601 can not move continuously, in order to enable the two door plates 601 to move in the direction away from each other to open the electrolytic cell 1, two second sliding grooves 705 and two sliding rods 706 are further arranged in the fixing mechanism 7, and the two clamping blocks 703 can be respectively pulled out from the two clamping grooves 701 by moving the two sliding rods 706 backwards.

A hook plate 707 is further disposed on the connecting plate 401, and the hook plate 707 is adapted to both the two sliding rods 706.

In this embodiment: when the hook plate 707 moves upward along with the connecting plate 401, the hook-shaped portion of the hook plate 707 hooks the two sliding rods 706 to pull the two sliding rods 706 backward for a certain distance, so that unlocking can be automatically realized, and the two door panels 601 can move freely.

Second limiting grooves 709 are formed in the two first sliding grooves 702, second limiting blocks 708 are arranged on the two clamping blocks 703, and the two second limiting blocks 708 are arranged in the two second limiting grooves 709 in a sliding mode respectively.

In this embodiment: the two second limiting blocks 708 respectively slide back and forth along the two second limiting grooves 709 to limit the two blocking blocks 703, so that the two blocking blocks 703 can only slide back and forth within the range of the two second limiting grooves 709.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a powder metallurgy sintering shaping is electroplating device for aftertreatment, includes electrolytic bath (1), its characterized in that: a part frame (2) is arranged on the electrolytic cell (1), a movable support (3) is arranged on the electrolytic cell (1), a mechanical arm (4) is arranged on the movable support (3), a connecting plate (401) is arranged on the mechanical arm (4), a displacement mechanism (5) is arranged on the electrolytic cell (1), and the movable support (3) is connected with the electrolytic cell (1) through the displacement mechanism (5);

the electrolytic cell is characterized in that a switch mechanism (6) is further arranged on the electrolytic cell (1), the switch mechanism (6) comprises a door plate (601) which is arranged on the electrolytic cell (1) in a sliding mode, a second rotary groove (602) is formed in the electrolytic cell (1), a second lead screw (603) is arranged in the second rotary groove (602) in a rotating mode, the door plate (601) is arranged on the second lead screw (603) in a sliding mode, a second gear (604) is arranged on the second lead screw (603), a rack (605) is arranged on the connecting plate (401), and the rack (605) is matched with the second gear (604).

2. The electroplating device for the powder metallurgy sintering molding post-treatment according to claim 1, wherein: the switch mechanism (6) further comprises a first limiting groove (607) arranged on the electrolytic cell (1), a first limiting block (606) is arranged on the door plate (601), and the first limiting block (606) is arranged in the first limiting groove (607) in a sliding mode.

3. The electroplating device for the powder metallurgy sintering molding post-treatment according to claim 2, wherein: the electrolytic cell is characterized in that the number of the switch mechanisms (6) is two, and the two switch mechanisms (6) are symmetrically arranged on the electrolytic cell (1).

4. The electroplating device for the powder metallurgy sintering molding post-treatment according to claim 3, wherein: the displacement mechanism (5) comprises a first rotary groove (501) arranged on the electrolytic cell (1), a first lead screw (502) is arranged in the first rotary groove (501) in a rotating mode, the moving support (3) is arranged on the first lead screw (502) in a sliding mode, a motor (503) is arranged on the first lead screw (502), and the motor (503) is arranged on the electrolytic cell (1).

5. The electroplating device for the powder metallurgy sintering molding post-treatment according to claim 4, wherein: first rotary trough (501) with first lead screw (502) all are provided with two, and two first rotary trough (501) and two first lead screw (502) all symmetry set up in on electrolytic bath (1), two all be provided with first gear (504) on first lead screw (502), two it is provided with chain (505) to slide on first gear (504).

6. The electroplating device for the powder metallurgy sintering molding post-treatment according to claim 5, wherein: the displacement mechanism (5) further comprises two sliding rails (506) symmetrically arranged on the electrolytic cell (1), two sliding blocks (507) are symmetrically arranged on the moving support (3), and the two sliding blocks (507) are respectively arranged on the two sliding rails (506) in a sliding manner.

7. The electroplating device for the powder metallurgy sintering molding post-treatment according to claim 6, wherein: still be provided with fixed establishment (7) on electrolytic cell (1), fixed establishment (7) are including seting up respectively two draw-in groove (701) on door plant (601), two first spout (702) have been seted up on electrolytic cell (1), two equal slip is provided with fixture block (703) in first spout (702), and two fixture block (703) respectively with two draw-in groove (701) looks adaptation, two all be provided with spring (704) on fixture block (703), two fixture block (703) are respectively through two spring (704) and two first spout (702) elastic connection.

8. The electroplating device for the powder metallurgy sintering molding post-treatment according to claim 7, wherein: two second sliding grooves (705) are formed in the electrolytic cell (1), the two second sliding grooves (705) are respectively communicated with the two first sliding grooves (702), sliding rods (706) are arranged on the two clamping blocks (703), and the two sliding rods (706) are respectively arranged in the two second sliding grooves (705) in a sliding mode.

9. The electroplating device for the powder metallurgy sintering molding post-treatment according to claim 8, wherein: a hook plate (707) is further arranged on the connecting plate (401), and the hook plate (707) is matched with the two sliding rods (706).

10. The electroplating device for the powder metallurgy sintering molding post-treatment according to claim 9, wherein: second limiting grooves (709) are formed in the two first sliding grooves (702), second limiting blocks (708) are arranged on the two clamping blocks (703), and the two second limiting blocks (708) are arranged in the two second limiting grooves (709) in a sliding mode respectively.