CN114871376A

CN114871376A - Rivet dismounting machine

Info

Publication number: CN114871376A
Application number: CN202210584540.3A
Authority: CN
Inventors: 王龙; 陈彦平; 李静波
Original assignee: Shenzhen Jingruichang Technology Co ltd
Current assignee: Shenzhen Jingruichang Technology Co ltd
Priority date: 2022-05-27
Filing date: 2022-05-27
Publication date: 2022-08-09

Abstract

The invention discloses a rivet removing machine, which comprises a workbench, wherein the workbench is provided with: the top surface of the workpiece positioning seat is provided with a workpiece positioning groove; the pressing mechanism is provided with a pressing end capable of moving up and down, and the pressing end is positioned right above the workpiece positioning seat; the rivet removing mechanism comprises a movable device and a blade, wherein the blade is provided with an arc-shaped cutting edge, and the movable device can drive the blade to rotate and enable the blade to move in a direction close to or far away from the workpiece positioning seat.

Description

Rivet dismounting machine

Technical Field

The invention relates to metal processing machinery, in particular to a rivet dismounting machine.

Background

With the continuous development of science and technology, products are also continuously changed, due to the market environment, the products are often put on the market before the production technology is mature, partial defects are unavoidably generated in the manufacturing process, the defective products are often unable to be maintained due to certain defects, but the defective products cannot be directly scrapped due to high value, the products need to be disassembled and decomposed, and then the recyclable departments are taken down to be repeatedly put into production.

Present rivet removal work is mostly the manual work and tears the rivet open, and work efficiency is lower to tear open and rivet the quality unstability, lead to the product to damage easily, for example tear the rivet open to micromotor, because the assembly technology of micromotor generally is the riveting, and the riveting point is dismantled the degree of difficulty and is higher, causes easily to dismantle the condemned phenomenon of back casing and end cover.

Disclosure of Invention

The invention aims to provide a rivet dismounting machine, which solves one or more technical problems in the prior art and at least provides a beneficial selection or creation condition.

The solution of the invention for solving the technical problem is as follows:

the utility model provides a tear riveter open, includes the workstation, be provided with on the workstation: the top surface of the workpiece positioning seat is provided with a workpiece positioning groove; the pressing mechanism is provided with a pressing end capable of moving up and down, and the pressing end is positioned right above the workpiece positioning seat; the rivet removing mechanism comprises a movable device and a blade, wherein the blade is provided with an arc-shaped cutting edge, and the movable device can drive the blade to rotate and enable the blade to move along the direction close to or far away from the workpiece positioning seat.

The technical scheme at least has the following beneficial effects: the work piece that will wait to tear open and rivet is packed into in the work piece constant head tank, hold-down mechanism's the end that compresses tightly the work piece downwards the activity and compresses tightly the work piece on the work piece positioning seat, the head motion drives the blade and rotates, make curved cutting edge support the border position at the rivet, continue to rotate along with the blade, the cutting edge is with the cap perk on the rivet, the head motion continues to drive the blade along the direction motion of keeping away from the work piece positioning seat, destroy the cap of rivet, the completion is torn open and is riveted, so greatly improved tear open rivet efficiency and tear the stability of riveting open, the labor force is reduced, and the production benefit is improved.

As a further improvement of the technical proposal, the movable device comprises a supporting shaft, a slide block, a knife handle, a first driving component and a second driving component, the slide block is connected on the workbench in a sliding way, the support shaft is connected on the slide block in a rotating way, the rotation axis of the supporting shaft extends along the horizontal direction, the first driving component is connected with the supporting shaft in a driving mode, the first driving component can drive the supporting shaft to rotate, one end of the knife handle is connected with the part of the supporting shaft above the sliding block, the rotation axis of the knife handle is parallel to the support shaft, the blade is connected to one end of the knife handle close to the support shaft, the second driving assembly is in driving connection with one end, far away from the supporting shaft, of the tool handle, and can drive the tool handle to rotate and enable the sliding block to slide along the direction far away from or close to the workpiece positioning seat. When needs are torn open and are riveted, the second drive assembly passes through the handle of a knife drive blade and rotates to draw the slider toward the direction of keeping away from the work piece positioning seat, at this in-process, first drive assembly drives the back shaft and rotates, rotate through the back shaft and handle of a knife pivoted compound motion, make the cap of cutting edge contact rivet all the time, destroy the cap smoothly, the rotation fulcrum of such blade is along with the cutting edge tear open the action of riveting and follow the activity, avoid the cutting edge to break away from the riveting point, the stability of tearing open the rivet has greatly been improved and the quality of tearing open the rivet.

As a further improvement of above-mentioned technical scheme, first drive assembly includes first flexible driving piece, first flexible driving piece has first fixed part, first pars contractilis along the rectilinear direction motion on the first fixed part, first fixed part rotate connect in the workstation, just right on the workstation the position of back shaft is provided with the first mouth of dodging, the bottom of back shaft is passed the first mouth of dodging and is stretched into in the workstation, the bottom of back shaft is connected with the edge and keeps away from the transition piece that work piece positioning seat direction extends, first pars contractilis rotate connect in on the transition piece, the rotation axis of first fixed part the rotation axis of first pars contractilis all with the rotation axis of back shaft is parallel to each other. When tearing open and riveting, first pars contractilis is stretching out first fixed part, the top of back shaft is rotated to the direction of keeping away from the work piece positioning seat, upwards jack-up the rotation fulcrum of blade, thereby insert the cutting edge better to the riveting point, because the back shaft rotates and connects on the slider, and the tie point of first pars contractilis and the tie point of handle of a knife are located the rotation fulcrum both sides of back shaft respectively, it forms the lever to form entirely, first pars contractilis is when providing drive power, it is more laborsaving, tear open and rivet the completion back, first pars contractilis first fixed part, the top of back shaft is rotated to the direction of being close to the work piece positioning seat and is reset.

As a further improvement of the above technical solution, the second driving assembly is a second telescopic driving member, the second telescopic driving member has a second fixing portion and a second telescopic portion moving on the second fixing portion along a straight line direction, the second fixing portion is rotatably connected in the workbench, the second telescopic portion is rotatably connected to one end of the knife handle away from the blade, and the rotation axis of the second fixing portion and the rotation axis of the second telescopic portion are parallel to the rotation axis of the supporting shaft. When tearing open and riveting, the second pars contractilis withdraws to the second fixed part, upwards rotates through the direct drive blade of handle of a knife, because the handle of a knife rotates to be connected on the back shaft, and the second pars contractilis that the handle of a knife provided drive power and the cutting edge of work are located the both sides that the handle of a knife rotated the fulcrum respectively, form a lever, reduce the required drive power that provides of second pars contractilis, and is more laborsaving, tears the completion back open and rivets, and the second pars contractilis stretches out the second fixed part, and the blade rotates downwards and resets.

As a further improvement of the above technical solution, the pressing mechanism includes a fixing base, a lifting driving member and a pressing die, the fixing base is connected to the workbench, the lifting driving member is connected to the pressing die in a driving manner, the lifting driving member can drive the pressing die to move in an up-and-down direction, and the pressing die is the pressing end. When the workpiece is positioned, the lifting driving piece drives the pressing die to press downwards, the workpiece is tightly pressed and positioned on the workpiece positioning seat through the pressing die, and when the workpiece is positioned, the lifting driving piece drives the pressing die to move upwards.

As a further improvement of the technical scheme, the fixed seat is connected with a limiting plate, the limiting plate is connected with a pressing rod extending downwards, and the bottom end of the pressing rod abuts against the top side of the knife handle. The pressure lever on the limiting plate is abutted against the knife handle, so that the moving amplitude of the knife handle can be limited, and the moving stroke of the blade is limited.

As a further improvement of the above technical solution, a limit groove is provided on a side wall of the workpiece positioning seat, the limit groove extends upward to a top side of the workpiece positioning seat, and the cutting edge extends into the limit groove. The horizontal displacement of blade can further be injectd to the spacing groove to improve the blade when rotating, especially when tearing open and riveting stability, improve and tear open and rivet the quality.

As a further improvement of the above technical solution, the rivet removing mechanism is provided in plurality around the workpiece positioning seat. Can realize tearing open simultaneously riveting to the different positions of work piece through a plurality of rivet mechanisms of tearing open, further improve and tear open and rivet efficiency.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures are only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from them without inventive effort.

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

FIG. 2 is a perspective view of the handle and blade of the present invention;

fig. 3 is a perspective view of the workpiece positioning socket of the present invention.

In the drawings: 100-workpiece positioning seat, 110-workpiece positioning groove, 120-limiting groove, 210-fixing seat, 220-lifting driving part, 310-blade, 311-blade, 320-supporting shaft, 330-sliding block, 340-tool handle, 350-first telescopic driving part, 360-second telescopic driving part, 400-limiting plate and 500-workbench.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and those skilled in the art can obtain other embodiments without inventive effort based on the embodiments of the present invention, and all embodiments are within the protection scope of the present invention. In addition, all the connection relations mentioned herein do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection accessories according to the specific implementation situation. All technical characteristics in the invention can be interactively combined on the premise of not conflicting with each other.

Referring to fig. 1, 2 and 3, a rivet removing machine includes a work bench 500, where the work bench 500 is provided with: a workpiece positioning seat 100 having a workpiece positioning groove 110 formed in a top surface thereof; the pressing mechanism is provided with a pressing end which can move up and down, and the pressing end is positioned right above the workpiece positioning seat 100; the rivet removing mechanism comprises a movable device and a blade 310, wherein the blade 310 has an arc-shaped cutting edge 311, and the movable device can drive the blade 310 to rotate and enable the blade 310 to move in a direction close to or far away from the workpiece positioning seat 100.

The work piece that will wait to tear open and rivet is packed into in the work piece constant head tank 110, hold-down mechanism's the end that compresses tightly the work piece down the activity on work piece positioning seat 100, the head motion drives blade 310 and rotates, make curved cutting edge 311 support the border position at the rivet, along with blade 310 continues to rotate, cutting edge 311 is with the cap perk on the rivet, the head motion continues to drive blade 310 along the direction motion of keeping away from work piece positioning seat 100, destroy the cap of rivet, the completion is torn open and is riveted, tear open the stability of riveting efficiency and tearing open the rivet so greatly improved, the labor force is reduced, and the production benefit is improved.

The movable device is mainly used for driving the blade 310 to rotate and slide, so that the blade 311 detaches the cap of the rivet outwards, and may take various structural forms, such as directly using a driving member with three mutually perpendicular degrees of freedom to drive the blade 310 to move, and by the compound motion of the three degrees of freedom, the blade 310 may be driven to be inserted into the gap of the cap of the rivet and move outwards, in this embodiment, the movable device includes a supporting shaft 320, a slider 330, a handle 340, a first driving component and a second driving component, the slider 330 is slidably connected to the worktable 500, the supporting shaft 320 is rotatably connected to the slider 330, the rotation axis of the supporting shaft 320 extends along the horizontal direction, the first driving component is drivingly connected to the supporting shaft 320, the first driving component may drive the supporting shaft 320 to rotate, one end of the handle 340 is connected to the portion of the supporting shaft 320 above the slider 330, the rotation axis of the tool shank 340 is parallel to the supporting shaft 320, the blade 310 is connected to one end of the tool shank 340 close to the supporting shaft 320, the second driving assembly is connected to one end of the tool shank 340 far from the supporting shaft 320 in a driving manner, and the second driving assembly can drive the tool shank 340 to rotate and enable the sliding block 330 to slide along the direction far from or close to the workpiece positioning seat 100. When needs are torn open and are riveted, the second drive assembly passes through handle of a knife 340 and drives blade 310 and rotate, and pull slider 330 toward the direction of keeping away from work piece positioning seat 100, at this in-process, first drive assembly drives back shaft 320 and rotates, rotate through back shaft 320 and handle of a knife 340 pivoted combined motion, make cutting edge 311 contact the cap of rivet all the time, destroy the cap smoothly, so the pivot of rotation of blade 310 is along with cutting edge 311 tears the action of riveting and follows the activity, avoid cutting edge 311 to break away from the riveting point, the stability of tearing open the rivet has greatly been improved and tear the quality of riveting open.

The first driving assembly is mainly used for driving the supporting shaft 320 to rotate on the slider 330, and also can provide a rotational driving force for the supporting shaft 320 during sliding movement, for example, a compound motion of a translational driving member and a swinging driving member is directly implemented, in this embodiment, the first driving assembly includes a first telescopic driving member 350, the first telescopic driving member 350 has a first fixing portion and a first telescopic portion moving along a straight line direction on the first fixing portion, the first fixing portion is rotatably connected in the workbench 500, a first avoiding opening is provided on the workbench 500 just opposite to the supporting shaft 320, the bottom end of the supporting shaft 320 passes through the first avoiding opening and extends into the workbench 500, the bottom end of the supporting shaft 320 is connected with a transition block extending along a direction away from the workpiece positioning seat 100, the first telescopic portion is rotatably connected on the transition block, the rotation axis of the first fixing portion and the rotation axis of the first telescopic portion are parallel to the rotation axis of the support shaft 320. When tearing open and riveting, first pars contractilis is stretching out first fixed part, the top of back shaft 320 rotates to the direction of keeping away from work piece positioning seat 100, upwards jack-up the rotation fulcrum of blade 310, thereby insert cutting edge 311 to the riveting point better, because back shaft 320 rotates and connects on slider 330, and the tie point of first pars contractilis and the tie point of handle of a knife 340 are located the rotation fulcrum both sides of back shaft 320 respectively, form the lever wholly, first pars contractilis is when providing drive power, it is more laborsaving, tear open and rivet the completion back, first pars contractilis withdraws to first fixed part, the top of back shaft 320 is rotated to the direction that is close to work piece positioning seat 100 and is reset.

The second driving assembly is mainly used for providing power for sliding the sliding block and driving force for rotating the tool shank 340, the adopted structural forms are various, for example, the sliding block 330 and the tool shank 340 are respectively driven by independent translational driving pieces to perform translational motion, and a swing driving member is arranged on the translation driving member which drives the knife handle 340 to move so as to drive the knife handle 340 to rotate, in this embodiment, the second driving assembly is a second telescopic driving member 360, the second telescopic driving member 360 has a second fixed portion, a second telescopic portion moving on the second fixed portion along a linear direction, the second fixing portion is rotatably connected in the workbench 500, the second telescopic portion is rotatably connected at one end of the knife handle 340 far away from the blade 310, the rotation axis of the second fixing portion and the rotation axis of the second telescopic portion are parallel to the rotation axis of the support shaft 320. When tearing open and riveting, the second pars contractilis withdraws to the second fixed part, directly drive blade 310 through handle of a knife 340 and upwards rotate, because handle of a knife 340 rotates to be connected on back shaft 320, the second pars contractilis that provides drive power to handle of a knife 340 and the cutting edge 311 of work are located the both sides that handle of a knife 340 rotated the fulcrum respectively, form a lever, reduce the required drive power that provides of second pars contractilis, it is more laborsaving, tear open and rivet the completion back, the second pars contractilis stretches out the second fixed part, blade 310 rotates downwards and resets.

In order to relatively fix the workpiece on the workpiece positioning seat 100, the pressing mechanism includes a fixing seat 210, a lifting driving member 220 and a pressing die, the fixing seat 210 is connected to the workbench 500, the lifting driving member 220 is connected to the pressing die in a driving manner, the lifting driving member 220 can drive the pressing die to move in an up-and-down direction, and the pressing die is the pressing end. When positioning the workpiece, the lifting driving member 220 drives the pressing die to press down, the workpiece is pressed and positioned on the workpiece positioning seat 100 through the pressing die, and when the positioning of the workpiece is released, the lifting driving member 220 drives the pressing die to move up.

Further, a limiting plate 400 is connected to the fixing seat 210, a downward extending pressure rod is connected to the limiting plate 400, and the bottom end of the pressure rod abuts against the top side of the tool holder 340. The press rod on the limit plate 400 is abutted against the knife handle 340, so that the moving range of the knife handle 340 can be limited, and the moving stroke of the blade 310 is limited.

Further, a limiting groove 120 is formed in a side wall of the workpiece positioning seat 100, the limiting groove 120 extends upwards to a top side of the workpiece positioning seat 100, and the cutting edge 311 extends into the limiting groove 120. The limiting groove 120 can further limit the horizontal displacement of the blade 310, so that the stability of the blade 310 during rotation, particularly during rivet removal, is improved, and the rivet removal quality is improved.

There are usually a plurality of riveting points on the workpiece, and in order to improve the rivet removing efficiency, the rivet removing mechanism is provided in a plurality around the workpiece positioning seat 100. Can realize tearing open simultaneously riveting to the different positions of work piece through a plurality of rivet mechanisms of tearing open, further improve and tear open and rivet efficiency.

In practical applications, the first telescopic driving member 350, the second telescopic driving member 360, and the lifting driving member 220 are all driving structures capable of providing a linear motion, and the structural forms thereof are various, such as driving by any one of an air cylinder, an electric screw rod, or a hydraulic cylinder.

While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that the present invention is not limited to the details of the embodiments shown and described, but is capable of numerous equivalents and substitutions without departing from the spirit of the invention as set forth in the claims appended hereto.

Claims

1. The utility model provides a tear riveter open which characterized in that: including workstation (500), be provided with on workstation (500):

a workpiece positioning seat (100) provided with a workpiece positioning groove (110) on the top surface;

the pressing mechanism is provided with a pressing end capable of moving up and down, and the pressing end is positioned right above the workpiece positioning seat (100);

the rivet removing mechanism comprises a movable device and a blade (310), wherein the blade (310) is provided with an arc-shaped cutting edge (311), and the movable device can drive the blade (310) to rotate and enable the blade (310) to move in a direction close to or far away from the workpiece positioning seat (100).

2. A riveter as claimed in claim 1, wherein: the movable device comprises a supporting shaft (320), a sliding block (330), a cutter handle (340), a first driving assembly and a second driving assembly, the sliding block (330) is connected to the workbench (500) in a sliding mode, the supporting shaft (320) is connected to the sliding block (330) in a rotating mode, the rotating axis of the supporting shaft (320) extends along the horizontal direction, the first driving assembly is connected with the supporting shaft (320) in a driving mode, the first driving assembly can drive the supporting shaft (320) to rotate, one end of the cutter handle (340) is connected to the portion, located above the sliding block (330), of the supporting shaft (320), the rotating axis of the cutter handle (340) is parallel to the supporting shaft (320), the cutter blade (310) is connected to one end, close to the supporting shaft (320), of the cutter handle (340) is connected to the second driving assembly in a driving mode, one end, far away from the supporting shaft (320), of the cutter handle (340) is connected to the second driving assembly, the second driving assembly can drive the tool shank (340) to rotate and enable the sliding block (330) to slide along the direction far away from or close to the workpiece positioning seat (100).

3. A riveter as claimed in claim 2, wherein: first drive assembly includes first flexible driving piece (350), first flexible driving piece (350) have first fixed part, along the first pars contractilis of rectilinear direction motion on the first fixed part, first fixed part rotate connect in workstation (500), just right on workstation (500) the position of back shaft (320) is provided with the first mouth of dodging, the bottom of back shaft (320) is passed the first mouth of dodging and is stretched into in workstation (500), the bottom of back shaft (320) is connected with and is followed and kept away from the transition piece that work piece positioning seat (100) direction extends, first pars contractilis rotate connect in on the transition piece, the rotation axis of first fixed part the rotation axis of first pars contractilis all with the rotation axis of back shaft (320) is parallel to each other.

4. A riveter as claimed in claim 2, wherein: the second driving component is a second telescopic driving component (360), the second telescopic driving component (360) is provided with a second fixing portion and a second telescopic portion moving along the straight line direction on the second fixing portion, the second fixing portion is rotatably connected in the workbench (500), the second telescopic portion is rotatably connected at one end, away from the blade (310), of the tool shank (340), and the rotation axis of the second fixing portion and the rotation axis of the second telescopic portion are parallel to each other with the rotation axis of the supporting shaft (320).

5. A riveter as claimed in claim 2, wherein: hold-down mechanism includes fixing base (210), lift driving piece (220) and moulding-die, fixing base (210) connect in on workstation (500), lift driving piece (220) drive is connected the moulding-die, lift driving piece (220) can drive the moulding-die is along the up-and-down direction motion, the moulding-die is the end that compresses tightly.

6. A riveter according to claim 5, wherein: the tool holder is characterized in that the fixed seat (210) is connected with a limiting plate (400), the limiting plate (400) is connected with a pressing rod extending downwards, and the bottom end of the pressing rod abuts against the top side of the tool holder (340).

7. A riveter as claimed in claim 1, wherein: the side wall of the workpiece positioning seat (100) is provided with a limiting groove (120), the limiting groove (120) extends upwards to the top side of the workpiece positioning seat (100), and the cutting edge (311) extends into the limiting groove (120).

8. A riveter as claimed in claim 1, wherein: the riveting mechanism is provided with a plurality of riveting mechanisms around the workpiece positioning seat (100).