CN117206958B

CN117206958B - Tank fixing and limiting mechanism and punching device

Info

Publication number: CN117206958B
Application number: CN202311469008.8A
Authority: CN
Inventors: 李永辉; 常华平
Original assignee: Shandong Juwei Can Manufacturing Co ltd
Current assignee: Shandong Juwei Can Manufacturing Co ltd
Priority date: 2023-11-07
Filing date: 2023-11-07
Publication date: 2024-01-05
Anticipated expiration: 2043-11-07
Also published as: CN117206958A

Abstract

The invention discloses a tank fixing and limiting mechanism and a punching device, which comprise a first bracket, wherein the first bracket is provided with a tank, two supporting rollers are movably connected to the first bracket, the two supporting rollers are parallel and extend into the tank, and the two supporting rollers relatively move along the inner wall of the tank and are supported at the edge of an opening part on the tank.

Description

Tank fixing and limiting mechanism and punching device

Technical Field

The invention relates to a tank fixing technology, in particular to a tank fixing limiting mechanism and a punching device.

Background

In industrial production, a tank is a common container for storing and transporting various liquid, gas or powder materials, the tank is usually made of metal (such as steel, aluminum alloy, etc.) or plastic (such as polyethylene, polypropylene, etc.) materials, and has high sealing performance and corrosion resistance, and during the use of the tank, a hole opening operation is often required to install a pipeline, a valve, an accessory or other equipment. The traditional tank body opening method mainly comprises the technical tests of cutting, drilling, welding and the like.

For example, the Chinese patent application number is CN201810510123.8 and the publication date is 2018.05.24, and the application discloses an automatic large tank body perforating device, which aims to solve the defects of inconvenient perforating operation and low working efficiency of a chemical tank body. The tank body clamping device comprises a workbench and a perforating frame, wherein a support is arranged below the workbench, a rotary driving mechanism capable of driving the workbench to rotate to any angle is arranged between the workbench and the support, and a clamping mechanism for clamping the tank body is arranged on the workbench; install the mount pad in the trompil frame liftable, but transversely movable installs the trompil motor on the mount pad, installs the trompil tool bit on the trompil motor output shaft, and the trompil tool bit sets up in the workstation top. The large-scale automatic tank body perforating device is greatly convenient for perforating operation of chemical tank bodies and improves perforating work efficiency.

The pressure of the drill bit during conventional cutting and drilling operations may cause deformation and breakage of the can material, particularly for thinner can wall thicknesses, which can affect the structural integrity and sealing performance of the can.

Disclosure of Invention

The invention aims to provide a tank fixing and limiting mechanism and a punching device, which are used for solving the defects in the prior art.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model provides a fixed stop gear of jar body, its auxiliary stay who is used for jar body when punching a hole is spacing, it includes first support, place the jar body on the first support, swing joint has two backing rolls on the first support, two the backing roll is parallel and stretch into in the jar body, two the backing roll is followed jar internal wall relative motion and support in the edge at trompil position on the jar body.

Foretell a jar body fixed stop gear, swing joint has two backup pads on the first support, every be fixed with two in the backup pad backing roll, two backing roll interval sets up, two the backup pad is driven can vertical relative motion.

The tank body fixing and limiting mechanism is characterized in that a second support is slidably connected to the supporting plate and located above, two pairs of compression rods are connected to the second support, the compression rods are driven to move relatively, and two ends of the supporting roller located above are correspondingly and rotatably connected to the telescopic ends of the two pairs of compression rods.

Foretell a jar body fixed stop gear still includes the supporting lever, the supporting lever slope supports the compression pole is kept away from the one end of backing roll, supporting lever inclination is adjustable.

According to the tank body fixing and limiting mechanism, the second support is driven to rotate and connected with the first gear, and the first gear is fixedly provided with the supporting bar.

The tank body fixing and limiting mechanism further comprises a fixing disc, the fixing disc is slidably connected to the second support, a plurality of stand columns are movably connected to the fixing disc, the stand columns are distributed in a ring shape, and a magnet is fixed at one end, away from the fixing disc, of each stand column.

The fixed stop gear of foretell jar body and punching device, a plurality of second spouts have been seted up along radial to the fixed disk surface, and a plurality of stand corresponds sliding connection in a plurality of in the second spout, the fixed disk is close to one side rotation of backup pad is connected with the rolling disc, the rolling disc surface corresponds and has seted up a plurality of helicla flute, the helicla flute with the second spout corresponds from top to bottom, a plurality of stand is kept away from the one end of magnet is in the helicla flute with in the second spout, the rolling disc is driven and rotates.

The tank body fixing and limiting mechanism is characterized in that a driving rod piece is connected between the second support and the rotating disc, the driving rod piece has two movement strokes, a first stroke is achieved, the driving rod piece drives the rotating disc to vertically move, a second stroke is achieved, and the driving rod piece drives the rotating disc to rotate.

According to the tank body fixing and limiting mechanism, the material taking disc is fixed on the second support, the material taking disc surface is provided with the material discharging hole, and the fixed disc is slidably connected in the material discharging hole.

The utility model provides a jar body fixed stop gear and punching device, includes the drill bit that is used for trompil on jar body, including foretell jar body fixed stop gear.

The invention has the beneficial effects that: the tank body fixing and limiting mechanism provided by the invention can support the position of the opening from the inside of the tank body, and avoid excessive extrusion of the tank body during drilling so as to deform the tank body.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

Fig. 1 is a schematic view of a first view angle structure of a tank fixing and limiting mechanism according to an embodiment of the present invention;

fig. 2 is a schematic diagram of a second view angle structure of a tank fixing and limiting mechanism according to an embodiment of the present invention;

FIG. 3 is a schematic view of a second bracket according to an embodiment of the present invention;

FIG. 4 is a schematic view of a second chute according to an embodiment of the present invention;

FIG. 5 is a schematic view of a rotating disc structure according to an embodiment of the present invention;

FIG. 6 is a schematic view of a first chute according to an embodiment of the present invention;

fig. 7 is a schematic diagram of a limiting plate structure according to an embodiment of the invention.

Reference numerals illustrate:

1-a first bracket; 2-a tank body; 3-a support roller; 4-rotating the roller; 5-a drill bit; 6-supporting rods; 7-supporting plates; 8-fixing plates; 9-a second bracket; 10-supporting seats; 11-a compression rod; 12-a first gear; 13-a supporting bar; 14-a roller; 15-a first rack; 16-a fixed disk; 17-stand columns; 18-a second chute; 19-rotating a disc; 20-spiral grooves; 21-a first cylinder; 22-a second cylinder; 23-arc grooves; 24-bump; 25-a material taking disc; 26-a second gear; 27-a second rack; 71-a first chute; 111-cross bars; 171-limiting plate.

Detailed Description

In order to make the technical scheme of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

The tank body fixing and limiting mechanism provided by the embodiment of the invention aims at providing a through hole with a larger aperture such as a manhole and the like for the tank body 2, wherein the tank body 2 is a cylindrical tank body, the upper bottom and the lower bottom of the tank body are arc-shaped or flat-plate-shaped, the cylindrical tank body is firstly processed into a cylinder shape during assembly, then the two arc-shaped or flat-plate-shaped bottoms are welded, the tank body of an unwelded tank bottom is provided with a hole saw drill bit, the hole saw drill bit 5 of the hole saw is a cylindrical drill bit, the hole saw drill bit is similar to a hollow cylinder, a plurality of sharp tooth blades are circumferentially arranged at the bottom edge of the hollow cylinder and are similar to saw teeth, the tooth blades are positioned at the edge of the drill bit, the bottom of the drill bit 5 is generally of a flat design and used for keeping stability and discharging chips in the drilling process, and thus the hole on the tank body 2 can be provided through the rotation and axial compound movement of the drill bit.

As shown in fig. 1-7, the tank fixing and limiting mechanism provided by the embodiment of the invention is used for auxiliary supporting and limiting when the tank 2 is punched, and comprises a first bracket 1, the tank 2 is placed on the first bracket 1, two supporting rollers 3 are movably connected to the first bracket 1, the two supporting rollers 3 are parallel and extend into the tank 2, and the two supporting rollers 3 relatively move along the inner wall of the tank 2 and are supported at the edge of an opening part on the tank 2.

Specifically, the first support 1 is provided with two horizontally arranged and parallel rotating rollers 4, the axial direction of the rotating rollers 4 is taken as a first direction, a straight line perpendicular to the first direction on a horizontal plane is taken as a second direction, the two rotating rollers 4 are driven to synchronously move along the first direction on the first support 1, the rotating rollers 4 can rotate, the tank body 2 is horizontally placed on the two rotating rollers 4 along the first direction, the rotating rollers 4 can be locked to limit and fix the tank body 2, the first support 1 is provided with a hole puncher, the hole puncher is arranged above the rotating rollers 4, the whole hole puncher can linearly move along the first direction to be moved to the position where hole punching is needed, a drill bit 5 of the hole puncher can linearly move along the vertical direction to realize hole punching operation, multidirectional movement of the drill bit 5 is the prior art, and the center point of vertical projection of the drill bit 5 falls on the symmetrical axis of the two rotating rollers 4. The tank body 2 is placed on the rotating roller 4 during operation, the rotating roller 4 drives the tank body 2 to move along the first direction so that the supporting roller 3 enters the tank body 2, the rotating roller 4 is driven to rotate so as to drive the tank body 2 to rotate, the center of an opening hole is in the same line with the center of the drill bit 5, namely, the tank body 2 enters the drill opening position, the tank body 2 is positioned between the drill bit 5 and the rotating roller 4, then the supporting roller 3 moves vertically until contacting with the inner wall of the tank body 2, the two supporting rollers 3 are tangential (or as close as possible) in the initial state, the two supporting rollers 3 are tangential to the inner wall of the tank 2, at the moment, the two supporting rollers 3 are closest to the tangential line of the inner wall of the tank 2, the drill bit 5 begins to drill the outer side surface of the tank 2, at the initial stage of drilling, the surface of the drill bit 5 and the surface of the tank 2 are in two points of contact, the extrusion force of the drill bit 5 to the tank 2 is positioned on the two points of contact, a straight line formed by the two points is defined as a pressure line, the pressure line is actually the top edge line of the axial section of the tank 2 when the tank 2 is transversely arranged, at the moment, the two sides of the tank 2 close to the pressure line are supported by the supporting rollers 3, the compression deformation of the tank 2 is reduced or even prevented, along with the continuous drilling of the drill bit 5 into the tank 2, the cut of the drill bit 5 on the tank 2 synchronously expands towards the two sides of the pressure line, the extrusion force of the drill bit 5 to the tank 2 is changed from one pressure line into two pressure lines far away from the pressure line, at this time, the supporting roller 3 is driven to relatively move along the second direction to start to expand and continuously extrude and support on the inner wall of the tank body 2, the tangent line of the supporting roller 3 and the inner wall of the tank body 2 is always positioned outside two pressure lines or the central axis of the supporting roller 3 and the pressure line are positioned on the same vertical plane, and the supporting roller is used for supporting the drilling area of the inner wall of the tank body 2 through the supporting roller 3 until the drill bit 5 completely drills through the tank body 2.

The embodiment of the invention has the beneficial effects that: the edge of the opening part of the inner wall of the tank body 2 is supported by the supporting roller 3, so that the tank body 2 is prevented from deforming due to the pressure of the drill bit 5.

In still another embodiment of the present invention, two support plates 7 disposed horizontally are movably connected to the first support 1, two support rollers 3 are fixed to the support plates 7 above, two support rollers 3 are disposed at intervals, the two support plates 7 are driven to move vertically and relatively, the support rollers 3 are disposed in parallel to a first direction, a distance between the two support rollers 3 is greater than an outer diameter of the drill bit 5, a base is slidably connected to the first support 1, the base is capable of sliding vertically, a support rod 6 is rotatably connected to the base, for example, a first motor is fixed to the base, the first motor is used for driving the support rods 6 to rotate, namely to rotate, a threaded section is formed on the support rods 6, a plurality of fixing plates 8 are sleeved on the threads of the support rods 6, the fixing plates 8 are sleeved on the threaded section, the two support plates 7 are slidably connected to the first support 1, the support plates 7 move vertically, the two support plates 7 are disposed horizontally on the upper side and lower side of the support rods 6, the support plates 7 are located right below the drill bit 5, the upper end and the lower end of each fixing plate 8 are rotatably connected to the corresponding support rods 8, and the two support rods 8 are rotatably driven to move horizontally by the corresponding support rods 8 in a reciprocating manner, and one end of the two support rods 8 are rotatably and fixedly connected to the support rods 8 in a reciprocating manner.

Specifically, place jar body 2 on live-rollers 4, the base is driven vertical motion in order to adjust bracing piece 6 position and make the axis of jar body 2 and the axis of bracing piece 6 be in same straight line, then live-rollers 4 drive jar body 2 and remove towards bracing piece 6, make jar body 2 cover on bracing piece 6, thereby bracing piece 6 is driven the rotation and is made fixed plate 8 remove and drive backup pad 7 along vertical direction keep away from bracing piece 6, thereby it is fixed with jar body 2 to drive backing roll 3 removal support on jar body 2 inner wall (backing roll 3 is located jar body 2 trompil position both sides), can carry out the trompil to jar body 2 this moment, backup pad 7 plays fixed support effect.

In still another embodiment provided by the invention, the second bracket 9 is slidably connected to the supporting plate 7 above, two pairs of supports 10 are slidably connected to the second bracket 9, the two pairs of supports 10 are arranged in parallel in the first direction, the two pairs of supports 10 are driven to move relatively, each pair of supports 10 comprises two supports 10 arranged in parallel, a compression rod 11 is fixed on each support 10, two ends of the supporting roller 3 are respectively and rotatably connected to the telescopic ends, i.e. the top ends, of the two compression rods 11, the second bracket 9 is driven to move linearly along the first direction, two bidirectional screw rods are rotatably connected to the second bracket 9, one pair of supports 10 are respectively and rotatably sleeved on different threaded ends of one bidirectional screw rod, a second motor (not shown in the figure) is fixed on the second bracket 9, the second motor drives two bidirectional screws to synchronously rotate (the two bidirectional screws can be connected through a transmission part such as a gear assembly in a transmission way, the second motor drives one bidirectional screw to rotate so as to drive the other bidirectional screw to rotate, the gear assembly can be adopted, or the two second motors can be respectively driven), two pairs of supports 10 are arranged at intervals along a first direction, so that the two supports of each pair of supports 10 can relatively move along the second direction, compression rods 11 are vertically fixed on the supports 10, two ends of a supporting roller 3 are respectively connected on the telescopic ends of the two compression rods 11 on two same straight lines (in the first direction) in a rotation way, the second bracket 9 and a drill synchronously move (an electric push rod can be arranged on the first bracket 1), the electric push rod pushes the second support 9 to move synchronously with the drill so that the center of the drill bit 5 and the centers of the two support rollers 3 on the second support 9 are always in the same line (defined as a drill line).

Specifically, the rotating roller 4 drives the tank body 2 to move towards the supporting rod 6, so that the supporting rod 6 enters the tank body 2, the second support 9 and the drill bit 5 are driven to move along the first direction so that the drilling lines coincide with the drilling locating points on the surface of the tank body 2, then the supporting rod 6 is driven to rotate so that the supporting rod 7 moves towards the inner wall of the tank body 2, meanwhile, the second support 9 and the support 10 are driven so that the supporting roller 3 on the supporting rod 3 is supported on the inner wall of the tank body 2 (the supporting rod 7 is not contacted with the inner wall of the tank body 2, the second support 9 moves to the opening position in a straight line manner at the supporting rod 7), at this time, the tank body 2 can be opened, the two pressure lines are far away from each other as the drill bit 5 continuously stretches into the tank body 2, at this time, the support 10 is driven to relatively move so that the two supporting rollers 3 start to expand and continuously squeeze on the inner wall of the tank body 2, and the tangent line of the inner wall of the supporting roller 3 and the tank body 2 are always located at the outer sides of the two pressure lines (can be achieved by adjusting the rotation speed of the second motor to match the cutting rate of the drill bit 5), until the drill bit 5 completely passes through the inner wall of the tank body 2 (the supporting roller 3 is in the circular arc shape) and the second direction, the supporting roller 3 always stretches out and stretches until the tank body 2 completely and stretches out and stretches until the tank body 2 and stretches completely along the supporting rod 11.

In the above embodiment, since the compression rod 11 is an elastic compression rod 11, when the support roller 3 moves along the second direction to press the compression rod 11, the supporting force of the support roller on the can 2 will be greater and greater, which may cause the slit of the can 2 to deform outwards.

In still another embodiment of the present invention, the support bar 13 is further included, the support bar 13 supports the end, away from the support roller 3, of the compression bar 11, that is, the lower end, preferably, the support bar 13 is inclined at an adjustable angle, in this embodiment, the compression bar 11 is slidably connected to the support 10, the compression bar 11 can move in the vertical direction, the second support 9 is provided with a through slot extending along the second direction, the compression bar 11 slidably penetrates through the support 10 and passes through the through slot to abut against the support bar 13, that is, the compression bar 11 can move along with the support 10 in the second direction, the end, away from the support roller 3, of the compression bar 11 is rotatably connected to the roller 14, the second support 9 is rotatably connected to the first gear 12, the axis extending direction of the first gear 12 is the first direction, the support bar 13 is fixed on the first gear 12, the roller 14 abuts against the surface of the support bar 13, the base is fixed with a cross bar 111, the cross bar 111 is slidingly connected with a first rack 15, the first rack 15 moves linearly along a first direction, but the first rack 15 is limited in the vertical direction, for example, a protruding part is arranged on the first rack 15, the corresponding cross bar 111 is provided with a chute, the protruding part is limited in the chute and can only move linearly along the first direction but can not move in the vertical direction, the first rack 15 vertically penetrates through the supporting plate 7 and the second bracket 9 and is meshed with the first gear 12, the surface of the supporting plate 7 is provided with a first chute 71 along the first direction, the first rack 15 is positioned in the first chute 71, the lower section of the compression rod 11 slides and penetrates through the supporting seat 10 and the second bracket 9, when two supporting rollers 3 on the second bracket 9 are in the nearest condition (initial state), the first gear 12 and the central shaft of the roller 14 are on the same straight line, the first gear 12 is enabled to rotate, the supporting bar 13 is always tangent to the roller 14, the surface of the supporting roller 3 is provided with a pressure sensor which is used for controlling the pressure of the supporting roller 3 on the inner wall of the tank body 2, the pressure sensor controls the first motor through the controller, and the first motor is stopped when the supporting roller 3 on the supporting plate 7 contacts with the tank body 2 and reaches a certain extrusion force.

Specifically, the tank body 2 is placed on the rotating roller 4, the rotating roller 4 drives the tank body 2 to move towards the supporting rod 6, the supporting rod 6 enters the tank body 2, the second bracket 9 and the drill bit 5 are driven to move along the first direction, so that a drilling line coincides with a drilling locating point on the surface of the tank body 2, in the moving process of the second bracket 9 in the first direction, the first rack 15 slides on the cross rod 111, when the supporting rod 6 is driven to rotate to drive the supporting plate 7 to move, the supporting plate 7 and the supporting rod 6 start to move relatively, the first rack 15 and the first gear 12 on the cross rod 111 move relatively in the vertical direction, the first rack 15 drives the first gear 12 to rotate to drive the supporting bar 13 to rotate to change an angle, and because in the initial state, the first gear 12 and the central shaft of the roller 14 are on the same straight line, the supporting bar 13 rotates against the surface of the roller 14, so that the compression bar 11 is kept motionless, until the supporting roller 3 at one end of the compression rod 11 contacts with the inner wall of the tank body 2 and reaches a preset extrusion force, the compression rod 11 is in a compression state, a sensor feeds back a first motor signal to stop working, an inclination angle is formed between the supporting rod 13 and the corresponding compression rod 11, when the supporting roller 3 is in an initial state, the roller 14 is at the highest point on the supporting rod 13, the tank body 2 can be perforated at the moment, as the drill bit 5 continuously stretches into the tank body 2, two pressure lines of the drill bit 5 on the tank body 2 are far away, at the moment, the bidirectional screw is driven by a second motor to rotate to drive the support 10 to move away from each other, the support 10 drives the compression rod 11 to move in the through groove, at the moment, the roller 14 vertically slides downwards along the surface of the supporting rod 13, the compression rod 11 starts to be far away from the inner wall of the tank body 2, and thus the distance between the roller 14 and the inner wall of the tank body 2 is increased, the compression rod 11 is kept at the same telescopic length (because the inside of the tank body 2 is arc-shaped, the surface of the supporting rod 13 is plane, the support 10 has the maximum movement stroke, the roller 14 has the highest point and the lowest point on the supporting rod 13, if the length of the compression rod 11 is consistent when the highest point and the lowest point of the roller 14 on the supporting rod 13 are located between the highest point and the lowest point, the distance between the inner wall of the tank body 2 and the supporting rod 13 is slightly larger than the length of the compression rod 11 when the highest point and the lowest point are located between the highest point and the lowest point, depending on the radian of the tank body 2, the extrusion force of the compression rod 11 is smaller relative to the supporting rod 13 when the highest point and the lowest point are located, the deformation force which can be born by the roller 14 is higher than the best extrusion force setting value is not exceeded by the tank body 2, so that the supporting force of the supporting roller 3 is kept in a proper range, when the size of the tank body 2 is increased, the arc-shaped length of the inner wall of the tank body 2 is close to a straight line, the distance between the inner wall of the compression rod 11 and the tank body 2 is also reduced, and the inner diameter of the supporting rod 11 is also increased relative to the supporting rod 7 is increased when the inner diameter of the supporting rod is increased, and the inner diameter of the supporting rod is increased, and the supporting rod is reduced, and the supporting rod is also is reduced, and the angle is reduced, and the supporting rod is accordingly, and the supporting rod is made to be expanded, and the supporting rod is 2.

The embodiment of the invention has the beneficial effects that: the roller 14 is arranged on the inclined supporting bar 13 to roll and support, so that the compression bar 11 can keep stable telescopic length, the extrusion force of the supporting roller 3 on the inner wall of the tank body 2 is stable, the tank body 2 is prevented from being deformed, the inclination angle of the supporting bar 13 can be changed according to the size of the tank body 2, and the supporting bar 13 can adapt to the compression bar 11 even if the size of the tank body 2 is different.

In still another embodiment of the present invention, the fixing plate 16 is slidably connected to the second support 9, the fixing plate 16 is movably connected to a plurality of stand columns 17, the plurality of stand columns 17 are distributed in a ring array, a magnet is fixed at one end of the stand column 17 away from the fixing plate 16, the axis of the fixing plate 16 is in a vertical direction, the central axis of the fixing plate 16 is located at the center position of the two support rollers 3, the fixing plate 16 is driven to linearly move along the vertical direction, and the stand columns 17 can linearly move along the radial direction of the fixing plate 16.

Specifically, when the bi-directional lead screw is driven by the second motor to rotate and drive the support 10 to move relatively along the second direction, and when driving the two supporting rollers 3 to expand, the fixed disk 16 is driven to move vertically so that the magnet on the upright post 17 passes through between the two supporting rollers 3 and is adsorbed at the position of the opening of the inner wall of the tank body 2, when the tank body 2 is penetrated by the drill bit 5, the drill bit 5 leaves the tank body 2, the waste is adsorbed on the magnet, the waste is prevented from being difficult to clean in the drill bit 5, the magnet is adsorbed on the drilling waste before the drill bit 5 drills through the tank body 2, and the problem that the magnet cannot be adsorbed accurately due to the fact that the position of the waste falls down in the drill bit 2 due to gravity after the drill bit 2 drills through the tank body 2 is avoided.

Further, a plurality of second sliding grooves 18 are formed in the surface of the fixed disc 16 in the radial direction, a plurality of stand columns 17 are correspondingly and slidably connected in the plurality of second sliding grooves 18, a rotating disc 19 is rotatably connected to one surface of the fixed disc 16, which is close to the supporting plate 7, a plurality of spiral grooves 20 are correspondingly formed in the surface of the rotating disc 19, the spiral grooves 20 correspond to the second sliding grooves 18 up and down, one ends, away from the magnets, of the plurality of stand columns 17 are located in the spiral grooves 20 and the second sliding grooves 18, the rotating disc 19 is driven to rotate, (a third motor can be arranged on the second support 9, the third motor drives the rotating disc 19 to rotate), the stand columns 17 move along the opening direction of the second sliding grooves 18, and the rotating disc 19 and the fixed disc 16 are coaxially arranged.

Specifically, when the bidirectional screw is driven by the second motor to rotate and drive the support 10 to relatively move along the second direction to drive the two support rollers 3 to expand, the fixed disc 16 is driven to vertically move so that the magnet on the upright 17 is adsorbed at the position of the opening of the inner wall of the tank body 2, if the diameter of the opening of the drill bit 5 becomes larger, the rotating disc 19 is driven to rotate, the spiral groove 20 on the rotating disc 19 drives the upright 17 to slide in the second sliding groove 18 so that the diameter of a virtual circle formed by the upright 17 becomes larger, thereby the magnet is continuously adsorbed at the edge position of the opening position to improve the adsorption stability of the tank body 2, and because the inner wall of the tank body 2 is arc-shaped, the magnet at the end part of the upright 17 can be extruded when the surface of the tank body 2 horizontally moves, the end part of the upright 17 can be connected with the magnet through a spring, and the magnet can vertically elastically stretch to adapt to an arc-shaped surface at the end part of the upright 17.

Still further, the second support 9 is rotatably connected with a first cylinder 21 by driving, a second cylinder 22 is slidably connected with the first cylinder 21, an arc groove 23 is formed in the surface of the first cylinder 21, a bump 24 is fixed on the surface of the second cylinder 22, the bump 24 is located in the arc groove 23, one end, away from the first cylinder 21, of the second cylinder 22 is fixed on the rotating disc 19, the first cylinder 21 and the second cylinder 22 are both on the same straight line with the axis of the rotating disc 19, the arc groove 23 is formed along the vertical direction, and the distance between the lowest end and the uppermost end of the arc groove 23 is the length of the arc groove 23.

Still further, be fixed with the feeding tray 25 on the second support 9, the discharge opening has been seted up to feeding tray 25 surface, fixed disk 16 sliding connection is in the discharge opening, be fixed with limiting plate 171 on the stand 17, fixed disk 16 has first position and second position in the downthehole axial motion of discharge, the distance between first position and the second position equals arc wall 23 length, arc wall 23 length is greater than the distance between magnet up end and the up end of backing roll 3 (can make stand 17 be higher than backing roll 3 promptly), in the first position, limiting plate 171 on the stand 17 supports on the discharge pore wall, in the second position, limiting plate 171 leaves the discharge opening, the discharge opening plays the spacing effect to stand 17 promptly.

Specifically, in the initial state, the fixed disk 16 is at a first position in the discharging hole, the limiting plate 171 is attached to the discharging hole of the fixed disk 16, the upright 17 cannot move, the rotating disk 19 is limited to rotate by the upright 17, when the fixed disk 16 moves axially along the discharging hole to enable the upright 17 to be separated from the discharging hole, the rotating disk 19 is released from rotation limitation, when the two support rollers 3 start to separate, the first cylinder 21 is driven to rotate, the fixed disk 16 is at the first position, the rotating disk 19 and the second cylinder 22 are limited to rotate, the arc-shaped groove 23 on the first cylinder 21 drives the second cylinder 22 to move axially along the first cylinder 21, the fixed disk 16 moves vertically in the discharging hole to enable a magnet on the fixed disk 16 to pass through between the two support rollers 3 and be adsorbed at the position of the opening of the inner wall of the tank 2, the protruding block 24 reaches a maximum stroke position in the arc-shaped groove 23, the fixed disk 16 reaches a second position in the discharging hole, the rotating disc 19 releases the rotation limitation, if the two supporting rollers 3 continue to expand (under the condition that the diameter of the hole of the drill bit 5 is larger), the first cylinder 21 continues to rotate, the first cylinder 21 drives the second cylinder 22 to rotate simultaneously, the second cylinder 22 drives the rotating disc 19 to rotate, the spiral groove 20 on the rotating disc 19 drives the upright post 17 to slide in the second sliding groove 18 so as to enlarge the diameter of a virtual circle formed by the upright post 17, thereby enlarging the adsorption area of the magnet on the position of the hole of the tank body 2, after the hole is drilled, the drill bit 5 leaves the tank body 2, the first cylinder 21 reversely rotates to drive the second cylinder 22 to rotate so as to drive the rotating disc 19 to rotate, the upright post 17 is reset, at the moment, the limiting plate 171 on the upright post 17 returns to the position of the unloading hole, the rotating disc 19 is limited to rotate again, at the moment, the first cylinder 21 rotates to drive the second cylinder 22 to linearly move back to the initial position, a plurality of baffles may be fixed to the fixed tray 16 and distributed annularly around the upright 17 in the first position so as to scrape off the waste material attracted by the magnets on the upright 17 each time the upright 17 is returned to the first position.

In still another embodiment of the present invention, a second gear 26 is fixedly sleeved on the first cylinder 21, and a second rack 27 is fixed on the support 10, where the second rack 27 is meshed with the second gear 26.

Specifically, when the two supports 10 relatively move, the second rack 27 drives the second gear 26 to rotate so as to drive the first cylinder 21 to rotate, and the larger the relative movement distance of the two supports 10, i.e. the larger the opening diameter is, the larger the opening waste is, the larger the rotation angle of the second gear 26 is driven by the second rack 27, so that the larger the diameter of a circular ring formed by the upright posts 17 on the fixed disc 16 is to effectively adsorb the opening waste of the tank 2.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the invention, which is defined by the appended claims.

Claims

1. The utility model provides a fixed stop gear of jar body, it is used for jar auxiliary stay when body punches a hole spacing, it includes first support, the jar body has been placed on the first support, its characterized in that, swing joint has two backing rolls on the first support, two the backing roll is parallel and stretches into in the jar body, two the backing roll is followed jar inner wall relative motion and support in the edge at trompil position on the jar body, swing joint has two backup pads on the first support, every be fixed with two in the backup pad backing roll, two the backing roll interval sets up, two the backup pad is driven can vertical relative motion, is located the top sliding connection has the second support in the backup pad, be connected with two pairs of compression bars on the second support, the compression bar is driven relative motion, two in the backup pad the backing roll both ends correspond to rotate connect at two pairs of compression bars's flexible end, still include the support, the backing bar tilt support is in the backing bar is kept away from the compression bar the backing roll, the second is connected with the first angle of rotation is adjusted to the backup pad, the first angle is connected with the first gear of rotation is adjusted.

2. The tank fixing and limiting mechanism according to claim 1, further comprising a fixing disc, wherein the fixing disc is slidably connected to the second support, a plurality of stand columns are movably connected to the fixing disc, the stand columns are distributed in a ring shape, and a magnet is fixed at one end, far away from the fixing disc, of each stand column.

3. The tank fixing and limiting mechanism according to claim 2, wherein a plurality of second sliding grooves are formed in the surface of the fixing disc in the radial direction, a plurality of upright posts are correspondingly and slidably connected in the second sliding grooves, a rotating disc is rotatably connected to one surface of the fixing disc, which is close to the supporting plate, a plurality of spiral grooves are correspondingly formed in the surface of the rotating disc, the spiral grooves correspond to the second sliding grooves up and down, and one ends, away from the magnet, of the upright posts are located in the spiral grooves and the second sliding grooves.

4. A tank fixing and limiting mechanism according to claim 3, wherein a driving rod is connected between the second support and the rotating disc, the driving rod has two movement strokes, the first stroke is that the driving rod drives the rotating disc to vertically move, and the second stroke is that the driving rod drives the rotating disc to rotate.

5. The tank fixing and limiting mechanism according to claim 4, wherein the second support is fixedly provided with a material taking disc, a material discharging hole is formed in the surface of the material taking disc, and the fixed disc is slidably connected in the material discharging hole.

6. A can punching device comprising a drill for punching a hole in a can, characterized by further comprising a can fixing and limiting mechanism according to any one of claims 1-5.