CN114472662A

CN114472662A - Cylindrical battery steel shell stretch forming device

Info

Publication number: CN114472662A
Application number: CN202210397914.0A
Authority: CN
Inventors: 梁平; 韩昊; 田鹏
Original assignee: Xinxiang Zhengyuan Electronic Material Co ltd
Current assignee: Xinxiang Zhengyuan Electronic Material Co ltd
Priority date: 2022-04-16
Filing date: 2022-04-16
Publication date: 2022-05-13
Anticipated expiration: 2042-04-16
Also published as: CN114472662B

Abstract

The invention relates to a forming device, in particular to a cylindrical battery steel shell stretching forming device. The technical problem of the invention is that: the cylindrical battery steel shell stretch forming device can stretch the steel plate step by step at the same station, is suitable for small-scale processing production, and can automatically position the steel plate and paint stretching oil on the steel plate. A cylindrical battery steel shell stretching forming device comprises a stretching seat, a hydraulic cylinder, a cross plate, a die pressing rod, a first motor, a first screw rod, a first connecting plate, a second connecting plate, a support column, a support plate, a first guide rod and the like; two hydraulic cylinders are symmetrically arranged on the stretching seat, a cross plate is connected to telescopic shafts of the two hydraulic cylinders, a compression molding rod is arranged on the cross plate, and a first motor is arranged on the stretching seat. The device can automatically stretch the steel plate into the shape of the cylindrical battery steel shell through three times of graded stretching; the first die and the second die can be limited through the grading mechanism.

Description

Cylindrical battery steel shell stretch forming device

Technical Field

The invention relates to a forming device, in particular to a cylindrical battery steel shell stretching forming device.

Background

A battery refers to a device that converts chemical energy into electrical energy in a portion of the space of a cup, tank, or other container or composite container that holds an electrolyte solution and metal electrodes to produce an electrical current.

The battery steel shell is a protective shell of the battery, and is formed by stretching a steel plate through a machine, in order to improve the stretching quality, the battery steel shell is usually formed by stretching the steel plate step by step, and the yield can be effectively increased through stretching step by step; in the prior art, when the steel plate is stretched step by step, the machining position of the steel plate is usually required to be changed for many times, and stretching is carried out at different positions to different degrees, so that the working efficiency of stretch forming is reduced, the situation that defective products are generated due to inaccurate positioning is easy to occur in the changing position, the adopted machinery is high in cost and is not suitable for small-scale machining production, and when the steel plate is stretched, the position of the steel plate needs to be positioned in order to prevent waste products from being generated due to inaccurate placement of the steel plate; and in order to make the drawing effect better, it is generally necessary to reduce the friction between the die and the steel plate using drawing oil.

Aiming at the defects that in the prior art, when a steel plate is stretched step by step, the working stretching efficiency is reduced and the situation of producing defective products caused by inaccurate positioning is easy to occur due to the fact that the machining positions are changed for many times, the machine is high in manufacturing cost and is not suitable for small-scale machining production, the steel plate needs to be positioned in the machining process, and stretching oil is smeared, the cylindrical battery steel shell stretch forming device which can stretch the steel plate step by step at the same station, is suitable for small-scale machining production and can automatically position and smear the stretching oil on the steel plate is urgently needed to be developed.

Disclosure of Invention

In order to solve the problems of the background art, the invention aims to provide a cylindrical battery steel shell stretch forming device which can stretch a steel plate step by step at the same station, is suitable for small-scale processing production and can automatically position the steel plate and paint stretching oil on the steel plate.

The technical scheme is as follows: a cylindrical battery steel shell stretching forming device comprises a stretching seat, hydraulic cylinders, a cross plate, a die pressing rod, a first motor, a first screw rod, a first connecting plate, a second connecting plate, support columns, a support plate, a first guide rod, a first bottom plate, a first die, a first spring, a second guide rod, a second bottom plate, a second spring, a second die, a support seat and a grading mechanism, wherein the stretching seat is symmetrically provided with two hydraulic cylinders, telescopic shafts of the two hydraulic cylinders are jointly connected with the cross plate, the cross plate is provided with the die pressing rod, the stretching seat is provided with the first motor, an output shaft of the first motor is provided with the first screw rod, the first screw rod is in threaded connection with the first connecting plate, the first connecting plate is fixedly connected with the second connecting plate, the support columns are fixedly connected with the second connecting plate, the support plate is fixedly connected with the support plate, the four first guide rods are symmetrically fixedly connected in the stretching seat, and the four first guide rods are jointly connected with the first bottom plate in a sliding manner, install first mould on the first bottom plate, all overlap on four first guide arms and have first spring, the rigid coupling of symmetry has four second guide arms in the tensile seat, common sliding connection has the second bottom plate on four second guide arms, install the second mould on the second bottom plate, all overlap on four second guide arms and have the second spring, install the supporting seat on the tensile seat, be connected with hierarchical mechanism on the second fishplate bar, hierarchical mechanism is used for spacing first bottom plate and second bottom plate, it has first groove, second groove and third groove to open in the tensile seat.

Further, the grading mechanism comprises a first guide plate, a second guide plate, a third guide rod, a lower support plate, a third spring, a fourth guide rod, an upper support plate, a fourth spring and a trigger rod, wherein the second guide plate is symmetrically and fixedly connected with the two first guide plates, the second guide plates are symmetrically and fixedly connected with the two first guide plates, the two second guide plates are symmetrically and slidably connected with the two third guide rods, the lower support plate is symmetrically and fixedly connected with the two third guide rods, the lower support plate is slidably connected with the first guide plates at the same side, the two third guide rods are sleeved with the third springs, the two lower support plates are respectively provided with a lower through groove, the two first guide plates are symmetrically and slidably connected with the two fourth guide rods, the two fourth guide plates are symmetrically and fixedly connected with the upper support plate, the upper support plate is slidably connected with the first guide plates at the same side, the two fourth guide rods are sleeved with the fourth springs, the two upper support plates are respectively provided with upper through grooves, two trigger rods are symmetrically and fixedly connected in the stretching seat, and the trigger rods are matched with the upper supporting plate and the lower supporting plate on the same side.

Further, the stretching seat further comprises a limiting mechanism, the limiting mechanism comprises fifth guide rods, first support plates, stop plates, fifth springs and stretching blocks, eight fifth guide rods are symmetrically and slidably connected in the stretching seat, the first support plate is fixedly connected to two adjacent fifth guide rods together, the two stop plates are arranged on the first support plate, the fifth springs are sleeved on the fifth guide rods, and the stretching blocks are fixedly connected to the two first support plates on the same side together.

Further explaining, the device also comprises first rollers, the two first guide plates are symmetrically and rotatably connected with the two first rollers, and the first rollers are matched with the spreading blocks on the same side.

Further explaining, the positioning device further comprises a positioning mechanism, wherein the positioning mechanism comprises a sixth guide rod, a sixth spring, limiting blocks, a seventh guide rod, a seventh spring and a furling plate, eight sixth guide rods are symmetrically and fixedly connected to the supporting seat, the sixth guide rods are sleeved with the sixth springs, the limiting blocks are jointly and slidably connected to the two sixth guide rods on the same side, the seventh guide rods are symmetrically and slidably connected to the cross plate, the seventh guide rods are sleeved with the seventh springs, and the furling plate is jointly and fixedly connected to the two seventh guide rods.

Further explaining, the folding device further comprises second rollers, the folding plate is symmetrically and rotatably connected with four second rollers, and the second rollers are matched with the limiting blocks on the same side.

The oil coating mechanism comprises second support plates, third support plates, oil storage tanks, an oil well pump, an oil outlet pipe and nozzles, wherein the two second support plates are symmetrically and fixedly connected to the furling plate, the two third support plates are symmetrically and fixedly connected to the two second support plates, the two oil storage tanks are symmetrically arranged on the two third support plates, the two oil well pumps are symmetrically arranged on the two third support plates, oil inlets of the oil well pumps are communicated with the oil storage tanks on the same side, oil outlets of the oil well pumps are communicated with the oil outlet pipe, and the oil outlet pipe is communicated with the three nozzles.

Further, the device also comprises a feeding mechanism, the feeding mechanism comprises a first bracket, a first transmission motor, a fourth support plate, a feeding rod, a second bracket, a feeding platform, a fifth support plate, a second motor, a second screw rod, a material pushing plate, a material blocking plate and a power rod, the first bracket is arranged at the left side of the stretching seat, the first transmission motor is arranged on the first bracket, the fourth support plate is fixedly connected on the first bracket and the stretching seat together, the four support plates are symmetrically and fixedly connected with the two feeding rods, the fourth support plate is fixedly connected with the second bracket, the feeding platform is connected on the two feeding rods and the second bracket together in a sliding manner, the fifth support plate is fixedly connected on the first bracket, the second motor is arranged on the fifth support plate, the second screw rod is arranged on an output shaft of the second motor, one end of the second screw rod far away from the second motor is rotatably connected with the second bracket, the material pushing plate is connected with the second screw rod through screw threads, the material pushing plate is symmetrically arranged on the material blocking plate, the first connecting plate is fixedly connected with a power rod.

The device further comprises a blanking mechanism, wherein the blanking mechanism comprises a blanking frame, a second transmission machine, a transition plate and blanking baffles, the blanking frame is arranged on the right side of the stretching seat, the second transmission machine is arranged on the blanking frame, the transition plate is arranged on the supporting seat, and the two blanking baffles are symmetrically and fixedly connected to the transition plate.

Further explaining, the inner sides of the limiting blocks are all cambered surfaces, and the radius of the cambered surfaces is equal to that of the steel plate.

Compared with the prior art, the invention has the following advantages:

1. the device can automatically stretch the steel plate into the shape of the cylindrical battery steel shell through three times of graded stretching; the first die and the second die can be limited through the grading mechanism, so that the first die and the second die can be reset upwards in stages, and the steel plate is stretched for three times at different degrees;

2. the first bottom plate and the second bottom plate can be limited by the supporting mechanism, so that the first die and the second die are prevented from moving downwards when the steel plate is stretched for the second time and the third time;

3. the steel plate can be automatically positioned through the positioning mechanism, and the stretching effect is influenced due to the fact that the position for placing the steel plate is inaccurate;

4. the drawing oil can be automatically sprayed on the die pressing rod through the oiling mechanism, so that the steel plate can be conveniently drawn;

5. the steel plate can be automatically and intermittently loaded through the loading mechanism, and the formed battery steel shell is pushed out for blanking during loading;

6. the discharging mechanism can automatically convey and discharge the formed battery steel shell.

Drawings

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

Fig. 2 is a schematic view of the position of a first motor of the present invention.

Fig. 3 is a schematic cross-sectional view of the stretching base of the present invention.

FIG. 4 is a schematic view of the connection relationship of the second connecting plate of the present invention.

Fig. 5 is a schematic diagram of a first backplane connection according to the present invention.

Fig. 6 is a schematic diagram of a second backplane connection according to the present invention.

FIG. 7 is a exploded view of the first guide plate of the present invention in a connected relationship.

Fig. 8 is a schematic structural diagram of a first supporting plate according to the present invention.

FIG. 9 is a schematic view of the connection relationship of the stoppers of the present invention.

FIG. 10 is a schematic diagram of a second roller position according to the present invention.

Fig. 11 is a schematic structural diagram of an oiling mechanism of the invention.

Fig. 12 is a schematic view of the position of the pushing plate of the present invention.

Fig. 13 is a schematic structural view of the striker plate of the present invention.

Fig. 14 is a schematic structural view of the blanking frame of the present invention.

Reference numbers in the drawings: 1_ stretching base, 101_ hydraulic cylinder, 102_ cross plate, 103_ die rod, 104_ first motor, 105_ first lead screw, 106_ first tab, 107_ second tab, 108_ support post, 109_ support plate, 110_ first guide rod, 111_ first base plate, 112_ first die, 113_ first spring, 114_ second guide rod, 115_ second base plate, 116_ second spring, 117_ second die, 118_ support seat, 119_ first slot, 120_ second slot, 121_ third slot, 2_ first guide plate, 201_ second guide plate, 202_ third guide rod, 203_ lower plate, 204_ third spring, 205_ lower slot, 206_ fourth guide rod, 207_ upper plate, 208_ fourth spring, 209_ upper slot, 210_ trigger rod, 3_ fifth guide rod, 301_ first support plate, 302_ stop plate, 303_ fifth spring, 304_ first spreader bar, 305_ first spreader bar, 4_ sixth guide rod, 401_ sixth spring, 402_ limit block, 403_ seventh guide rod, 404_ seventh spring, 405_ furling plate, 406_ second roller, 5_ second support plate, 501_ third support plate, 502_ oil storage tank, 503_ oil well pump, 504_ oil outlet pipe, 505_ spray head, 6_ first support, 601_ first transmission, 602_ fourth support plate, 603_ feeding rod, 604_ second support, 605_ feeding table, 606_ fifth support plate, 607_ second motor, 608_ second lead screw, 609_ material pushing plate, 610_ material blocking plate, 611_ power rod, 7_ blanking frame, 701_ second transmission machine, 702_ transition plate, and 703_ blanking baffle.

Detailed Description

It is to be noted that, in the case of the different described embodiments, identical components are provided with the same reference numerals or the same component names, wherein the disclosure contained in the entire description can be transferred to identical components having the same reference numerals or the same component names in a meaningful manner. The positional references selected in the description, such as upper, lower, lateral, etc., refer also to the directly described and illustrated figures and are to be read into the new position in the sense of a change in position.

Example 1

A cylindrical battery steel shell stretching forming device is shown in figures 1-14 and comprises a stretching base 1, hydraulic cylinders 101, a cross plate 102, a die pressing rod 103, a first motor 104, a first screw rod 105, a first connecting plate 106, a second connecting plate 107, a support column 108, a support plate 109, a first guide rod 110, a first bottom plate 111, a first mold 112, a first spring 113, a second guide rod 114, a second bottom plate 115, a second spring 116, a second mold 117, a support seat 118 and a grading mechanism, wherein the stretching base 1 is a hollow base, the stretching base 1 is symmetrically provided with two hydraulic cylinders 101, the stretching shafts of the hydraulic cylinders 101 can extend upwards, the telescopic shafts of the two hydraulic cylinders 101 are commonly connected with the cross plate 102, the die pressing rod 103 is arranged on the cross plate 102, the die pressing rod 103 is a straight rod capable of stretching and forming a steel plate, the stretching base 1 is provided with the first motor 104, the first motor 104 is positioned on the left side of the stretching base 1, a first screw 105 is mounted on an output shaft of a first motor 104, the lower end of the first screw 105 is rotatably connected to a small connecting block at the bottom of a stretching seat 1, a first connecting plate 106 is connected to the first screw 105 through threads, the first connecting plate 106 is slidably connected with the stretching seat 1, a second connecting plate 107 is fixedly connected to the first connecting plate 106, a support column 108 is fixedly connected to the second connecting plate 107, the support column 108 is a cylindrical straight rod, a support plate 109 is fixedly connected to the support column 108, four first guide rods 110 are symmetrically and fixedly connected to the stretching seat 1, the first guide rods 110 play a role in guiding, a first bottom plate 111 is commonly and slidably connected to the four first guide rods 110, a first mold 112 is mounted on the first bottom plate 111, the outer diameter of the support plate 109 is matched with the inner diameter of the first mold 112, first springs 113 are sleeved on the four first guide rods 110, four second guide rods 114 are symmetrically and fixedly connected to the stretching seat 1, and play a role in guiding, the four second guide rods 114 are connected with a second bottom plate 115 in a sliding mode, a second mold 117 is installed on the second bottom plate 115, the inner diameter of the second mold 117 is matched with the outer diameter of the first mold 112, second springs 116 are sleeved on the four second guide rods 114, the second springs 116 provide upward reset force for the second bottom plate 115, a supporting seat 118 is installed on the stretching seat 1, a through hole is formed in the center of the supporting seat 118, the diameter of the through hole is matched with the outer diameter of the second mold 117, a grading mechanism is connected to the second connecting plate 107 and used for limiting the first bottom plate 111 and the second bottom plate 115, and a first-level groove 119, a second-level groove 120 and a third-level groove 121 are formed in the stretching seat 1.

When the stretching seat works, a round steel plate is placed on the supporting plate 109, then the first motor 104 is started, the first motor 104 drives the first screw rod 105 to rotate, the first screw rod 105 drives the first connecting plate 106 to start to move downwards, then the second connecting plate 107 is driven to move downwards, so that the supporting column 108 and the supporting plate 109 are driven to move downwards, and the supporting plate 109 moves downwards to drive the steel plate to move towards the stretching seat 1; when the top surface of the support plate 109 is in the same plane as the top surfaces of the first mold 112 and the second mold 117, at this time, the second plate 107 will drive the first bottom plate 111 and the second bottom plate 115 to move downwards through the grading mechanism, the downward movement of the first bottom plate 111 and the second bottom plate 115 will compress the first spring 113 and the second spring 116, thereby moving the first mold 112 and the second mold 117 downward, when the supporting plate 109 moves downward to the top surface which is in the same plane with the bottom surface of the supporting seat 118, at this time, the first motor 104 is stopped, at this time, the two hydraulic cylinders 101 are controlled to contract, the two hydraulic cylinders 101 drive the die rod 103 to move downwards through the cross plate 102, the die rod 103 enters the supporting seat 118 and performs first die drawing on the steel plate, after the first die drawing, the outer diameter of the steel battery shell is the diameter of the through hole on the support seat 118 and is equal to the outer diameter of the first die 112; then the two hydraulic cylinders 101 are controlled to extend out, so that the cross plate 102 is driven to move upwards, the die pressing rod 103 is driven to move upwards and reset, then the first motor 104 is controlled to rotate, so that the first screw rod 105 is driven to rotate, the first screw rod 105 drives the first connecting plate 106 to start to move downwards, and then the second connecting plate 107 is driven to move downwards, so that the supporting column 108 and the supporting plate 109 are driven to move downwards; when the second connecting plate 107 moves downwards, the first bottom plate 111 and the second bottom plate 115 are driven to move downwards by the grading mechanism, so as to drive the first die 112 and the second die 117 to move downwards, the steel plate which is subjected to primary compression molding can move downwards along with the first die 112 and the second die 117, when the second bottom plate 115 moves downwards to the bottommost part of the primary groove 119, the grading mechanism can release the limit on the second bottom plate 115, the second bottom plate 115 can move upwards under the pushing of the second spring 116, so as to drive the second die 117 to move upwards, the second die 117 can push the battery shell which is subjected to primary compression molding upwards, after the second bottom plate 115 completes reset upwards, the two hydraulic cylinders 101 are controlled to contract, the two hydraulic steels drive the compression molding rods 103 to move downwards through the cross plate 102, the compression molding rods 103 can enter the second die 117 and perform secondary compression molding stretching on the steel plate, after the second drawing, the outer diameter of the battery steel shell is the inner diameter of the second die 117 and is equal to the outer diameter of the first die 112; then the two hydraulic cylinders 101 are controlled to extend out, so that the cross plate 102 is driven to move upwards, the die pressing rod 103 is driven to move upwards and reset, then the first motor 104 is controlled to rotate, so that the first screw rod 105 is driven to rotate, the first screw rod 105 drives the first connecting plate 106 to start to move downwards, and then the second connecting plate 107 is driven to move downwards, so that the supporting column 108 and the supporting plate 109 are driven to move downwards; when the second connecting plate 107 moves downwards, the first bottom plate 111 is driven to move downwards through the grading mechanism, when the first bottom plate 111 moves downwards to the bottom of the secondary groove 120, the grading mechanism releases the first bottom plate 111 at the moment, the first spring 113 pushes the first bottom plate 111 to move upwards and reset, so that the first die 112 is driven to reset upwards, the first die 112 pushes the formed battery steel shell upwards, when the first die 112 is reset, the two hydraulic cylinders 101 are controlled to contract, the two hydraulic steels drive the die pressing rods 103 to move downwards through the cross plate 102, the die pressing rods 103 enter the first die 112 and perform third die pressing and stretching on the steel plate, and after the third stretching, the outer diameter of the battery steel shell is equal to the inner diameter of the first die 112 and is equal to the outer diameter of the support plate 109; then controlling the two hydraulic cylinders 101 to extend out so as to drive the cross plate 102 to move upwards, so as to drive the die pressing rod 103 to move upwards for resetting, then controlling the first motor 104 to rotate reversely so as to drive the first screw rod 105 to rotate reversely, driving the first connecting plate 106 to move upwards by the first screw rod 105, then driving the second connecting plate 107 to move upwards so as to drive the supporting column 108 and the supporting plate 109 to move upwards, ejecting the battery steel shell upwards when the supporting plate 109 moves upwards, and then discharging the formed battery steel shell; because the battery steel shell after the third forming is located in the first mold 112, after the supporting plate 109 is reset upwards, the top surface of the supporting plate 109 is a bit higher than the top surfaces of the first mold 112 and the second mold 117, so that the formed battery steel shell is ejected out of the first mold 112; the device can automatically stretch the steel plate into the shape of the cylindrical battery steel shell by three-time graded stretching.

Example 2

On the basis of embodiment 1, as shown in fig. 6 and 7, the grading mechanism includes a first guide plate 2, a second guide plate 201, a third guide rod 202, a lower support plate 203, a third spring 204, a fourth guide rod 206, an upper support plate 207, a fourth spring 208 and a trigger rod 210, two first guide plates 2 are symmetrically and fixedly connected to a second connecting plate 107, the first guide plates 2 play a role of supporting and guiding, the second guide plate 201 is symmetrically and fixedly connected to the two first guide plates 2, two third guide rods 202 are symmetrically and slidably connected to the two second guide plates 201, the third guide rods 202 are cylindrical straight rods, lower support plates 203 are symmetrically and fixedly connected to the two third guide rods 202, one ends of the lower support plates 203 far away from the third guide rods 202 are inclined planes, the lower support plates 203 are slidably connected to the first guide plates 2 on the same side, the two third guide rods 202 are sleeved with the third springs 204, the third springs 204 provide a force for the lower support plates 203 to far away from the second guide plates 201, the two lower support plates 203 are respectively provided with a lower through groove 205, the two first guide plates 2 are symmetrically and slidably connected with two fourth guide rods 206, the fourth guide rods 206 are cylindrical straight rods, the fourth guide rods 206 are positioned on the upper sides of the third guide rods 202, the two fourth guide rods 206 are symmetrically and fixedly connected with the upper support plates 207, one ends of the upper support plates 207 far away from the third guide rods 202 are inclined planes, the upper support plates 207 are respectively and slidably connected with the first guide plates 2 on the same side, the two fourth guide rods 206 are respectively sleeved with a fourth spring 208, the fourth springs 208 provide force for the upper support plates 207 far away from the second guide plates 201, the two upper support plates 207 are respectively provided with an upper through groove 209, the two trigger rods 210 are symmetrically and fixedly connected in the stretching seat 1, the trigger rods 210 are provided with two inclined planes, the lower through grooves 205 and the upper through grooves 209 are both positioned on the outer sides of the first guide plates 2, and in the process that the lower support plates 203 and the upper support plates 207 move downwards, the trigger rods 210 can penetrate into the lower through grooves 205 and the upper through grooves 209 on the same side, then, the two upper support plates 207 are firstly supported to both sides by the inclined surface on the upper side, and in the process that the lower support plate 203 continues to move downwards, the two lower support plates 203 can be supported to both sides by the inclined surface on the lower side, and the trigger rod 210 is matched with the upper support plate 207 and the lower support plate 203 on the same side.

When the second connecting plate 107 moves downwards for the first time, the first guide plates 2 on both sides move downwards, when the top surface of the supporting plate 109 and the top surfaces of the first die 112 and the second die 117 are in the same plane, the bottom surfaces of the upper supporting plates 207 on both sides contact with the top surface of the second bottom plate 115 at this time, and the bottom surfaces of the lower supporting plates 203 on both sides contact with the top surface of the first bottom plate 111, so that the second connecting plate 107 drives the first bottom plate 111 and the second bottom plate 115 to move downwards through the two upper supporting plates 207 and the two lower supporting plates 203; when the second bottom plate 115 is about to contact with the bottom of the primary groove 119, the trigger rod 210 starts to penetrate into the lower through groove 205 and the upper through groove 209, the upper support plate 207 starts to slide on the inclined surface at the upper part of the trigger rod 210, the inclined surface at the upper part of the trigger rod 210 can support the upper support plate 207 to two sides, the upper support plate 207 can start to be separated from the contact with the second bottom plate 115, the upper support plate 207 can compress the fourth spring 208, when the upper support plate 207 starts to slide to the vertical surface at the middle part of the trigger rod 210, the first bottom plate 111 contacts with the bottom of the primary groove 119 at the moment, the upper support plate 207 is separated from the contact with the second bottom plate 115 at the moment, and the second bottom plate 115 is reset upwards; when the first bottom plate 111 is about to contact with the bottom of the secondary groove 120, the lower support plate 203 starts to slide on the inclined surface at the lower part of the trigger rod 210, the inclined surface at the lower part of the trigger rod 210 can expand the lower support plate 203 towards two sides, the lower support plate 203 starts to be separated from the contact with the first bottom plate 111, the lower support plate 203 can compress the third spring 204, when the lower support plate 203 starts to slide to the vertical surface at the lower part of the trigger rod 210, the first bottom plate 111 contacts with the bottom of the secondary groove 120 at the moment, the lower support plate 203 is separated from the contact with the second bottom plate 115 at the moment, and the second bottom plate 115 is reset upwards; when the second connecting plate 107 is reset upwards, the two first guide plates 2 are driven to move upwards, when the lower support plate 203 starts to slide on the inclined plane at the lower part of the trigger rod 210, the third spring 204 can push the lower support plate 203 to reset, and when the upper support plate 207 starts to slide on the inclined plane at the upper part of the trigger rod 210, the fourth spring 208 can push the upper support plate 207 to reset; in the process of upward resetting of the second connecting plate 107, when the top surface of the supporting plate 109 and the top surfaces of the first mold 112 and the second mold 117 are in the same plane, the bottom surface of the upper supporting plate 207 contacts with the top surface of the second bottom plate 115, the bottom surface of the lower supporting plate 203 contacts with the top surface of the first bottom plate 111, and at this time, the second connecting plate 107 continues to move upward for a certain distance, so that the supporting plate 109 ejects the formed battery steel shell, and the upward movement of the lower supporting plate 203 pushes the second bottom plate 115 upward for a certain distance; the first die 112 and the second die 117 can be limited by the grading mechanism, so that the first die 112 and the second die 117 can be reset upwards in stages, and the steel plate can be stretched three times to different degrees.

Example 3

On the basis of embodiment 2, as shown in fig. 3 and 8, the device further comprises a limiting mechanism, the limiting mechanism comprises a fifth guide rod 3 and a first supporting plate 301, stop plate 302, fifth spring 303 and distraction piece 304, the sliding connection of symmetry has eight fifth guide arms 3 in the tensile seat 1, fifth guide arm 3 plays the guide effect, all the rigid coupling has a first baffle 301 on two adjacent fifth guide arms 3 jointly, first baffle 301 is total 4, all be equipped with two stop plates 302 on the first baffle 301, the upper end of stop plate 302 is the plane, the lower extreme of stop plate 302 is the inclined plane, all overlap on the fifth guide arm 3 and have fifth spring 303, fifth spring 303 provides the power that is close to each other for the first baffle 301 of both sides, all the rigid coupling has one to strut piece 304 on two first baffles 301 of homonymy jointly, the upper end of strut piece 304 is the plane, the lower extreme that struts piece 304 is equipped with outstanding inclined plane.

After the second bottom plate 115 is reset, the bottom surface of the second bottom plate 115 and the top surface of the stop plate 302 positioned on the upper side are positioned on the same plane, after the first bottom plate 111 is reset, the bottom surface of the first bottom plate 111 and the top surface of the stop plate 302 positioned on the lower side are positioned on the same plane, and when the second connecting plate 107 is reset, the lower support plate 203 can push the second bottom plate 115 upwards by a distance; when the second connecting plate 107 does not move downwards, the first guide plate 2 is in a state of pressing the opening blocks 304 to two sides, so that the blocking plates 302 on two sides are in a contracted state, and the blocking plates 302 are prevented from influencing the downward movement of the first base plate 111 and the second base plate 115; when the second connecting plate 107 moves downwards, the first guide plate 2 is driven to move downwards, and when the first guide plate 2 is separated from the contact with the spreading blocks 304, the fifth springs 303 on both sides push the first supporting plates 301 on both sides to return to the direction of approaching each other, so that the two spreading blocks 304 are driven to approach each other; when the second base plate 115 moves upward to reset, the second base plate 115 slides on the slopes of the blocking plates 302 on the two sides, the first support plates 301 on the two sides are pressed in the direction away from each other by the blocking plates 302, when the second base plate 115 moves to a position where the bottom surface is in the same plane as the top surface of the blocking plate 302 on the upper side, the second base plate 115 completes resetting, and then the blocking plates 302 on the two sides are pushed by the fifth spring 303 to move the blocking plates 302 on the upper side to the lower side of the second base plate 115, so that the second base plate 115 is prevented from moving downward; when the first base plate 111 moves upwards to reset, the first base plate 111 slides on the inclined surfaces of the blocking plates 302 at the two sides, the first support plates 301 at the two sides are pressed towards the direction away from each other through the blocking plates 302, when the first base plate 111 moves to the position that the bottom surface and the top surface of the blocking plate 302 at the lower side are in the same plane, the first base plate 111 completes resetting, and then the blocking plates 302 at the two sides move to the lower side of the first base plate 111 under the pushing of the fifth spring 303, so that the first base plate 111 is prevented from moving downwards; when the second connecting plate 107 is reset upwards, the two first guide plates 2 are driven to move upwards and reset, the two first guide plates 2 can prop open the propping blocks 304 at the two sides in the direction away from each other in the process of moving upwards, and the fifth springs 303 can be compressed, so that the blocking plates 302 at the two sides are driven to move in the direction away from each other, and the first descending of the first bottom plate 111 and the second bottom plate 115 is prevented from being influenced by the blocking plates 302; the first bottom plate 111 and the second bottom plate 115 may be provided with a limiting function by the supporting mechanism, so that the first mold 112 and the second mold 117 may be prevented from moving downward when the steel plate is stretched for the second time and the third time.

As shown in fig. 7, the utility model further comprises two first rollers 305, the two first guide plates 2 are symmetrically and rotatably connected with the two first rollers 305, and the first rollers 305 are both matched with the spreading blocks 304 on the same side.

The first roller 305 can roll on the inclined surface of the distraction block 304, so that the friction force is reduced, and the device can run more smoothly.

As shown in fig. 2, 9 and 10, the positioning device further includes a positioning mechanism, the positioning mechanism includes sixth guide rods 4, sixth springs 401, limit blocks 402, seventh guide rods 403, seventh springs 404 and a furling plate 405, eight sixth guide rods 4 are symmetrically and fixedly connected to the support base 118, the sixth guide rods 4 can play a role in guiding, the sixth guide rods 4 are respectively sleeved with the sixth springs 401, two sixth guide rods 4 on the same side are jointly and slidably connected with one limit block 402, the outer side surface of each limit block 402 is provided with four slope faces, the limit blocks 402 are symmetrically and slidably connected to the cross plate 102, the seventh guide rods 403 cannot fall off from the cross plate 102, the seventh guide rods 403 are respectively sleeved with the seventh springs 404, two seventh guide rods 403 are jointly and fixedly connected to the furling plate 405, and the furling plate 405 moves upwards to compress the seventh springs 404.

When the hydraulic cylinder 101 is contracted, the cross plate 102 is driven to move downwards, the furling plate 405 is driven to move downwards through the two seventh guide rods 403, before the die pressing rod 103 is contacted with the steel plate, the furling plate 405 can extrude the four limit blocks 402 towards the center and compress the seventh spring 404, so that the steel plate is positioned through the four limit blocks 402, the position deviation of the steel plate is prevented, after the four limit blocks 402 clamp the steel plate, the furling plate 405 cannot descend, and the seventh spring 404 can be compressed when the cross plate 102 continues to descend; after the die pressing rod 103 presses the steel plate downwards, the steel plate does not block the four limiting blocks 402 from sliding towards the center, and the four limiting blocks 402 can slide towards the center for a certain distance under the action of the furling plate 405; when the hydraulic cylinder 101 extends out, the cross plate 102 is driven to move upwards, so that the seventh spring 404 starts to reset, when the die rod 103 is about to slide out of the support seat 118, the furling plate 405 can be in sliding contact with the surface of the die rod 103, so that the furling plate 405 can prevent the battery steel shell formed by stretching from attaching to the die rod 103, and when the furling plate 405 is separated from the limit block 402, the seventh spring 404 pushes the limit block 402 to move in the direction away from each other, so that the battery steel shell can come out of the support seat 118; the steel plate can be automatically positioned through the positioning mechanism, and the stretching effect is influenced due to the fact that the position where the steel plate is placed is inaccurate.

As shown in fig. 10, the folding device further includes a second roller 406, four second rollers 406 are symmetrically and rotatably connected to the folding plate 405, and the second rollers 406 are all matched with the limiting blocks 402 on the same side.

The second roller 406 can slide on the inclined surface of the limiting block 402, so that the friction force can be reduced, and the device can run more smoothly.

As shown in fig. 2 and 11, the drawing oil-drawing device further comprises an oil-drawing mechanism, the oil-drawing mechanism comprises a second support plate 5, a third support plate 501, oil storage tanks 502, oil-well pumps 503, oil outlet pipes 504 and nozzles 505, the two second support plates 5 are symmetrically and fixedly connected to the furling plate 405, the second support plate 5 plays a supporting role, the two third support plates 501 are symmetrically and fixedly connected to the two second support plates 5, the third support plates 501 are horizontally arranged, the two oil storage tanks 502 are symmetrically mounted on the two third support plates 501, the oil storage tanks 502 are used for storing tensile oil, the two oil-well pumps 503 are symmetrically mounted on the two third support plates 501, the oil-well pumps 503 are in the prior art, oil inlets of the oil-well pumps 503 are all communicated with the oil storage tanks 502 on the same side, oil outlets of the oil-well pumps 503 are all communicated with the oil outlet pipes 504, the oil outlet pipes 504 are all communicated with the three nozzles 505, and the nozzles 505 can spray the tensile oil.

When the die rod 103 moves downwards each time, the oil pump 503 is started, the oil pump 503 guides tensile oil in the first oil storage tank 502 to the spray head 505 through the oil outlet pipe 504, then the tensile oil is sprayed on the die rod 103 through the spray head 505, and then the oil pump 503 is closed; the drawing oil can be automatically sprayed on the die pressing rod 103 through the oiling mechanism, so that the steel plate can be conveniently drawn.

As shown in fig. 1, 12 and 13, the steel sheet drawing device further comprises a feeding mechanism, the feeding mechanism comprises a first support 6, a first transmission motor 601, a fourth support plate 602, a feeding rod 603, a second support 604, a feeding table 605, a fifth support plate 606, a second motor 607, a second screw rod 608, a material pushing plate 609, a material stopping plate 610 and a power rod 611, the first support 6 is arranged on the left side of the drawing base 1, the first support 6 plays a supporting role, the first transmission motor 601 is arranged on the first support 6, the first transmission motor 601 is the prior art, the fourth support plate 602 is fixedly connected to the first support 6 and the drawing base 1 together, the fourth support plate 602 is horizontally arranged, the fourth support plate 602 is fixedly connected to two feeding rods 603 symmetrically, the fourth support plate 602 is fixedly connected to the second support 604, the feeding rods 603 and the second support 604 play a supporting role, the feeding table 603 and the second support 604 are connected to the two feeding rods 603 and the second support 604 together in a sliding way, the width of the inner side of the feeding table is equal to the diameter of the circular steel sheet 605, a fifth support plate 606 is fixedly connected to the first support 6, a second motor 607 is mounted on the fifth support plate 606, a second lead screw 608 is mounted on an output shaft of the second motor 607, one end, far away from the second motor 607, of the second lead screw 608 is rotatably connected with the second support 604, a material pushing plate 609 is connected to the second lead screw 608 in a threaded manner, the material pushing plate 609 can be driven to move left and right through rotation of the second lead screw 608, two material blocking plates 610 are symmetrically and fixedly connected to the material pushing plate 609, arc surfaces are arranged on two sides of each material blocking plate 610 and are matched with the radius of the circular steel plate, a power rod 611 is fixedly connected to the first connecting plate 106, and each power rod 611 is composed of a cylindrical straight rod and a square plate.

Placing a steel plate to be stretched on a first motor 601, wherein the first motor 601 conveys the steel plate to the right, when the first connecting plate 106 moves downwards for the first time, the power rod 611 is driven to move downwards, so that the feeding table 605 slides downwards on the first bracket 6 and the second bracket 604, when the inner surface of the feeding table 605 and the upper surface of the first motor 601 are in the same plane, the feeding table 605 cannot move downwards any more, then the first motor 601 is started to convey the steel plate to the feeding table 605, the first motor 601 conveys one steel plate to the feeding table 605, and the steel plate on the left side of the feeding table 605 is pushed to the right; when the last stretching of the battery steel shell is completed and the first connecting plate 106 starts to move upwards, the power rod 611 is driven to move upwards, the feeding table 605 is driven to move upwards in the process that the power rod 611 moves upwards, when the first connecting plate 106 is reset, the inner bottom surface of the feeding table 605 and the top surface of the limiting block 402 are located at the same height, two circular steel plates are arranged on the feeding table 605 and are respectively located on two sides of the two material blocking plates 610 and are in contact with arc surfaces on two sides of the two material blocking plates 610, the second motor 607 is started at the moment, the second screw rod 608 is driven to rotate, the material blocking plates 610 are driven by the pushing plate 609 to push the steel plates on the right side rightwards, the steel plates can slide over the limiting block 402 and enter the supporting plate 109, the loading is completed, and the battery steel shell formed on the supporting plate 109 is pushed rightwards by the steel plates to discharge; then, the second motor 607 is controlled to rotate reversely, so that the second screw rod 608 is driven to rotate reversely, and the material pushing plate 609 is driven to reset leftwards; intermittent feeding can be automatically carried out on the steel plate through the feeding mechanism, and blanking is pushed out of the formed battery steel shell in the feeding process.

As shown in fig. 1 and 14, the battery steel shell drawing device further comprises a blanking mechanism, the blanking mechanism comprises a blanking frame 7, a second transmission machine 701, a transition plate 702 and blanking baffles 703, the blanking frame 7 is installed on the right side of the drawing seat 1, the second transmission machine 701 is installed on the blanking frame 7, the second transmission machine 701 is the prior art, the transition plate 702 is installed on the supporting seat 118, the transition plate 702 facilitates the formed battery steel shell to move to the second transmission machine 701, and the two blanking baffles 703 are symmetrically and fixedly connected to the transition plate 702.

When the steel plate pushes the formed battery steel shell to the right, the battery steel shell falls on the second transmission machine 701 from the transition plate 702 to the right, so that the battery steel shell is transmitted and discharged to the right through the second transmission machine 701, and the battery steel shell is prevented from being separated from the second transmission machine 701 through the two discharging baffles 703, so that automatic discharging is completed; the discharging mechanism can automatically convey and discharge the formed battery steel shell.

As shown in fig. 9, the inner sides of the limiting blocks 402 are both arc surfaces, and the radius of the arc surfaces is equal to the radius of the steel plate.

The radius of the cambered surface is equal to that of the steel plate, so that the four limiting blocks 402 can better position the round steel plate.

It should be understood that the above description is for exemplary purposes only and is not meant to limit the present invention. Those skilled in the art will appreciate that variations of the present invention are intended to be included within the scope of the claims herein.

Claims

1. The utility model provides a cylinder battery box hat stretch forming device which characterized by: comprises a stretching seat (1), hydraulic cylinders (101), a cross plate (102), a die pressing rod (103), a first motor (104), a first screw rod (105), a first connecting plate (106), a second connecting plate (107), a support column (108), a support plate (109), a first guide rod (110), a first bottom plate (111), a first mold (112), a first spring (113), a second guide rod (114), a second bottom plate (115), a second spring (116), a second mold (117), a support seat (118) and a grading mechanism, wherein the stretching seat (1) is symmetrically provided with two hydraulic cylinders (101), the telescopic shafts of the two hydraulic cylinders (101) are jointly connected with the cross plate (102), the die pressing rod (103) is arranged on the cross plate (102), the stretching seat (1) is provided with the first motor (104), the output shaft of the first motor (104) is provided with the first screw rod (105), a first connecting plate (106) is in threaded connection with the first screw rod (105), a second connecting plate (107) is fixedly connected to the first connecting plate (106), a support column (108) is fixedly connected to the second connecting plate (107), a support plate (109) is fixedly connected to the support column (108), four first guide rods (110) are symmetrically and fixedly connected to the stretching seat (1), a first bottom plate (111) is commonly and slidably connected to the four first guide rods (110), a first mold (112) is installed on the first bottom plate (111), first springs (113) are sleeved on the four first guide rods (110), four second guide rods (114) are symmetrically and fixedly connected to the stretching seat (1), a second bottom plate (115) is commonly and slidably connected to the four second guide rods (114), a second mold (117) is installed on the second bottom plate (115), second springs (116) are sleeved on the four second guide rods (114), and a support seat (118) is installed on the stretching seat (1), the second connecting plate (107) is connected with a grading mechanism, the grading mechanism is used for limiting the first bottom plate (111) and the second bottom plate (115), and a primary groove (119), a secondary groove (120) and a tertiary groove (121) are formed in the stretching seat (1).

2. The cylindrical battery steel shell drawing forming device as claimed in claim 1, wherein: the grading mechanism comprises a first guide plate (2), a second guide plate (201), third guide rods (202), a lower support plate (203), third springs (204), fourth guide rods (206), an upper support plate (207), fourth springs (208) and trigger rods (210), wherein the second connection plate (107) is symmetrically fixedly connected with the two first guide plates (2), the two first guide plates (2) are symmetrically and fixedly connected with the second guide plates (201), the two second guide plates (201) are symmetrically and slidably connected with the two third guide rods (202), the two third guide rods (202) are symmetrically and fixedly connected with the lower support plate (203), the lower support plate (203) is slidably connected with the first guide plates (2) at the same side, the two third guide rods (202) are sleeved with the third springs (204), the two lower support plates (203) are respectively provided with a lower through groove (205), the two first guide plates (2) are symmetrically and slidably connected with the two fourth guide rods (206), the equal rigid coupling of symmetry has last extension board (207) on two fourth guide arms (206), go up extension board (207) and all with first baffle (2) sliding connection of homonymy, all overlap on two fourth guide arms (206) and have fourth spring (208), it has last logical groove (209) all to have seted up on two last extension boards (207), the rigid coupling of symmetry has two trigger bars (210) in tensile seat (1), trigger bar (210) all cooperate with last extension board (207) and lower extension board (203) of homonymy.

3. The cylindrical battery steel shell drawing forming device as claimed in claim 2, wherein: still including stop gear, stop gear is including fifth guide arm (3), first extension board (301), stop plate (302), fifth spring (303) and strut piece (304), the sliding connection of symmetry has eight fifth guide arms (3) in tensile seat (1), all common rigid coupling has one first extension board (301) on two adjacent fifth guide arms (3), all be equipped with two stop plate (302) on first extension board (301), all overlap on fifth guide arm (3) and have fifth spring (303), it has one to strut piece (304) all to have common rigid coupling on two first extension boards (301) of homonymy.

4. The cylindrical battery steel shell drawing forming device as claimed in claim 3, wherein: the device is characterized by further comprising first idler wheels (305), the two first guide plates (2) are symmetrically and rotatably connected with the two first idler wheels (305), and the first idler wheels (305) are matched with the distraction blocks (304) on the same side.

5. The cylindrical battery steel shell drawing forming device as claimed in claim 4, wherein: the positioning mechanism comprises a sixth guide rod (4), a sixth spring (401), a limiting block (402), a seventh guide rod (403), a seventh spring (404) and a furling plate (405), eight sixth guide rods (4) are symmetrically and fixedly connected to the supporting seat (118), the sixth spring (401) is sleeved on each sixth guide rod (4), the two sixth guide rods (4) on the same side are jointly and slidably connected with the limiting block (402), the cross plate (102) is symmetrically and slidably connected with the seventh guide rod (403), the seventh spring (404) is sleeved on each seventh guide rod (403), and the furling plate (405) is jointly and fixedly connected to the two seventh guide rods (403).

6. The cylindrical battery steel shell drawing forming device as claimed in claim 5, wherein: the folding device is characterized by further comprising a second roller (406), the folding plate (405) is symmetrically and rotatably connected with four second rollers (406), and the second rollers (406) are matched with the limiting blocks (402) on the same side.

7. The cylindrical battery steel shell drawing forming device as claimed in claim 6, wherein: still including scribbling oil mechanism, scribble oil mechanism is including second extension board (5), third extension board (501), oil storage tank (502), oil-well pump (503), go out oil pipe (504) and shower nozzle (505), draw in the rigid coupling of symmetry on board (405) and have two second extension boards (5), the rigid coupling of symmetry has two third extension boards (501) on two second extension boards (5), symmetrical installing two oil storage tank (502) on two third extension boards (501), symmetrical installing two oil-well pumps (503) on two third extension boards (501), the oil inlet of oil-well pump (503) all communicates with oil storage tank (502) of homonymy, the oil-out of oil-well pump (503) all communicates and has play oil pipe (504), all communicate three shower nozzle (505) on play oil pipe (504).

8. The cylindrical battery steel shell drawing forming device as claimed in claim 7, wherein: the automatic feeding device also comprises a feeding mechanism, the feeding mechanism comprises a first support (6), a first motor (601), a fourth support plate (602), a feeding rod (603), a second support (604), a feeding table (605), a fifth support plate (606), a second motor (607), a second screw rod (608), a material pushing plate (609), a material blocking plate (610) and a power rod (611), the first support (6) is arranged on the left side of the stretching seat (1), the first motor (601) is arranged on the first support (6), the fourth support plate (602) is fixedly connected on the first support (6) and the stretching seat (1) together, the two feeding rods (603) are symmetrically fixedly connected on the fourth support plate (602), the second support (602) is fixedly connected on the fourth support plate (602), the feeding table (605) is connected on the two feeding rods (603) and the second support (604) together in a sliding manner, the fifth support plate (606) is fixedly connected on the first support (6), a second motor (607) is installed on the fifth support plate (606), a second screw rod (608) is installed on an output shaft of the second motor (607), one end, far away from the second motor (607), of the second screw rod (608) is rotatably connected with the second support (604), a material pushing plate (609) is connected onto the second screw rod (608) in a threaded manner, two material blocking plates (610) are symmetrically and fixedly connected onto the material pushing plate (609), and a power rod (611) is fixedly connected onto the first connection plate (106).

9. The cylindrical battery steel shell drawing forming device as claimed in claim 8, wherein: the automatic feeding device is characterized by further comprising a feeding mechanism, wherein the feeding mechanism comprises a feeding frame (7), a second transmission machine (701), a transition plate (702) and a feeding baffle (703), the feeding frame (7) is installed on the right side of the stretching seat (1), the second transmission machine (701) is installed on the feeding frame (7), the transition plate (702) is installed on the supporting seat (118), and the two feeding baffles (703) are symmetrically fixedly connected to the transition plate (702).

10. The cylindrical battery steel shell drawing forming device of claim 9, wherein: the inner sides of the limiting blocks (402) are all cambered surfaces, and the radius of the cambered surfaces is equal to that of the steel plate.