CN207732032U

CN207732032U - A kind of feeding buffer structure of lithium battery pressing machine

Info

Publication number: CN207732032U
Application number: CN201820169891.7U
Authority: CN
Inventors: 李剑
Original assignee: HUBEI ZHONGNENG LITHIUM TECHNOLOGY CO LTD
Current assignee: HUBEI ZHONGNENG LITHIUM TECHNOLOGY CO LTD
Priority date: 2018-01-30
Filing date: 2018-01-30
Publication date: 2018-08-14
Anticipated expiration: 2028-01-30

Abstract

The utility model provides a kind of feeding buffer structure of lithium battery pressing machine, and pressing machine includes rack and the driving motor that is arranged in rack；Pressing machine further includes the material thorax of a bar shape, and an axle sleeve is fixedly installed in rack, and material thorax is rotatably connected in axle sleeve by a shaft, is connected by belt between driving motor and shaft；This buffer structure includes the cushion collar being arranged in shaft, this buffer structure further includes several receiving holes being opened on cushion collar inner wall, there is a ball in receiving hole, it is connected by a buffer spring between ball and receiving hole bottom wall, being offered on the outer wall of shaft can be resisted against in recess with the one-to-one recess of receiving hole, ball.The utility model has many advantages, such as that lithium battery can be protected, avoids getting stuck.

Description

A kind of feeding buffer structure of lithium battery pressing machine

Technical field

The utility model belongs to technical field of lithium batteries, is related to a kind of feeding buffer structure of lithium battery pressing machine.

Background technology

It by lithium metal or lithium alloy is negative material, using the battery of non-aqueous electrolytic solution that lithium battery, which is a kind of, with The development of science and technology, lithium battery are widely used and promote, and have become the main product of mobile power industry.

The application is directed to columnar lithium battery, including shell, head cover, negative plate, and head cover is positive plate, head cover and shell it Between weld, negative plate is fixed by one end of insulating materials and lithium battery, and head cover is realized and shell by the flange of shell end Fixation and sealing, in process of production, head cover is first welded on one end of shell, then by the upper end-face edge of shell overturn, it is right The outer ring of head cover is wrapped up, however, due to factors such as throat thickness, flange pressing force, upturned positions, is existed in each process Difference causes the height of the lithium battery of bar shape to have differences, and for the use of product later stage, certainly exists poor contact, peace The larger or smaller equal harmful effects in dress gap, need to be modified the height of lithium battery.

Invention content

The purpose of this utility model is the existing above problem in view of the prior art, provides a kind of lithium battery pressing machine Feeding buffer structure, technical problem to be solved in the utility model are how to prevent from getting stuck, and carry out the shell of lithium battery Protection.

The purpose of this utility model can be realized by following technical proposal：A kind of feeding buffering knot of lithium battery pressing machine Structure, which is characterized in that pressing machine includes rack and the driving motor that is arranged in rack；Pressing machine further includes the material of a bar shape Thorax is fixedly installed an axle sleeve in the rack, and the material thorax is rotatably connected on by a shaft in axle sleeve, the driving motor It is connected by belt between shaft；This buffer structure includes the cushion collar being arranged in shaft, this buffer structure further includes out Several receiving holes being located on cushion collar inner wall, have a ball in the receiving hole, the ball and receiving hole bottom wall it Between be connected by a buffer spring, offered on the outer wall of the shaft and the one-to-one recess of receiving hole, the rolling Pearl can be resisted against in recess.

The effect of buffering is on the one hand lithium battery can be prevented stuck at locating slot, to which lithium battery cannot be made smooth Enter plup inlet, on the other hand, can also provide shaft rotation delay, make between shaft and turntable have one delay, from And keep pressure force not too large, the time of discharging can be vacateed after pressing.

Buffer structure can protect lithium battery casing, when getting stuck, be beaten between shaft and cushion collar It is sliding, to avoid lithium battery casing impaired.

Description of the drawings

Fig. 1 is the overall structure diagram of this pressing machine.

Fig. 2 is the stereogram of the feeding mechanism of this pressing machine.

Fig. 3 is the feeding mechanism of this pressing machine and the sectional view of shedding mechanism.

Fig. 4 is the stereogram of Fig. 3.

Fig. 5 is the structural schematic diagram of the transmission device in this pressing machine.

Fig. 6 is the planar structure schematic diagram of Fig. 5 turntables.

Fig. 7 is the structural schematic diagram of rotary column in Fig. 5.

Fig. 8 is the sectional view of buffer structure in this pressing machine.

Fig. 9 is the structural schematic diagram that rotor is squeezed out in embodiment one.

Figure 10 is the structural schematic diagram that rotor is squeezed out in embodiment two.

In figure, 11, rack, 12, driving motor；21, feeding box；22, rotor is squeezed；23, channel；24, slot is turned to； 25, locating slot；26, pan feeding chamber；27, pharyngeal；31, expect thorax；32, plup inlet；33, axle sleeve；34, pressing plate；35, swing arm；36, it presses Block；37, pressure head；38, shaft；41, rotary column；42, turntable；43, annular groove；44, guide groove one；45, guide groove two；46, positioning column； 47, fore-set；48, locating rod；49, guide sleeve；51, stripper；52, dumping pit；53, synchronous disk；54, alignment rods；55, plug； 56, avoid holes；57, location hole；58, torsional spring；6, splicing plate；71, bevel gear one；72, bevel gear two；73, cushion collar；74, band Wheel one；75, receiving hole；76, ball；77, buffer spring；78, recess；81, straight flange；82, curl；9, limit protrusion.

Specific implementation mode

It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further Description, but the utility model is not limited to these examples.

Embodiment one：

As shown in Figure 1, lithium battery includes the shell of bar shape, this pressing machine includes rack (11) and is arranged in rack (11) On feeding mechanism, driving motor (12), feed mechanism, laminating mechanism and shedding mechanism, feeding mechanism one by one by lithium battery feed Enter feed mechanism, the shell of multiple lithium batteries is wrapped up and positioned by feed mechanism, and laminating mechanism is to the lithium battery after positioning It is pressed, the highly consistent of the shell of each lithium battery, shedding mechanism is made to release the lithium battery after pressing from feed mechanism, Feeding mechanism, feed mechanism, laminating mechanism and shedding mechanism are driven by driving motor (12).

As depicted in figs. 1 and 2, feeding mechanism includes feeding box (21), squeezes rotor (22), channel (23), turns to slot (24) and locating slot (25), in feeding box (21) there is a pan feeding chamber (26), channel (23) to be communicated with pan feeding chamber (26), steering Slot (24) is connected to channel (23) and locating slot (25), has one pharyngeal (27) between pan feeding chamber (26) and channel (23), squeezes Pressure rotor (22) is rotatably connected at pharyngeal (27), turns to slot (24) in the shape of a spiral, depth direction and the level of channel (23) Face is parallel, the depth direction and horizontal plane of locating slot (25), squeezes rotor (22) and is connected with driving motor (12).

As shown in Figure 1, Figure 2, Figure 3 and Figure 4, feed mechanism includes the material thorax (31) of a bar shape, circumferential on material thorax (31) Several plup inlets (32) are evenly arranged with, plup inlet (32) and the peripheral surface of material thorax (31) penetrate through, fixed in rack (11) to set It is equipped with an axle sleeve (33), material thorax (31) is rotatably connected on by a shaft (38) in axle sleeve (33), has one to lack on axle sleeve (33) Mouthful, shaft (38) is fixedly linked with material thorax (31), and shaft (38) is connected by a slowing-down structure with driving motor (12), pressing machine Structure presses primary after shaft (38) rotates a whole circle.

Feeding：The shell of lithium battery is laterally deposited in pan feeding chamber (26) one by one, rotor (22) is squeezed and rotates, keeps lithium electric Pond is extruded in pharyngeal (27) one by one, and is sequentially entered channel (23), turned in slot (24) and locating slot (25), and slot is turned to (24) it is helical form, lithium battery is enable there are cross direction profiles to be converted to the self-support distribution at locating slot (25).

Pan feeding：The notch of material thorax (31) is docked with the exit of locating slot (25), under the continuous rotation of material thorax (31), lithium Battery is extruded into one by one in plup inlet (32), and after expecting that thorax (31) rotates a whole circle, is held in all plup inlets (32) Lithium battery there are one receiving makes the highly consistent of lithium battery at this point, realizing the pressing to lithium battery by laminating mechanism, flange Flatness is consistent.

As shown in figures 1 and 3, laminating mechanism includes the pressing plate (34) being set in shaft (38), and pressing plate (34) is located at material The top of thorax (31), this laminating mechanism further include a swing arm (35) being hinged in rack (11), the following table mask of swing arm (35) The briquetting (36) of pressing plate (34) upper surface can be resisted against by having, and be passed by one between the movable end and shaft (38) of swing arm (35) Dynamic device is connected, and transmission device drives the movable end of swing arm (35) to be pressed downward unification time after shaft (38) rotates a circle, and It is resetted after pressing；The lower surface of pressing plate (34) is provided with and the one-to-one pressure head (37) of plup inlet (32), and pressure head (37) can It is plugged in plup inlet (32).

The process of pressing is to realize there is spring return function at the hinge joint of swing arm (35) by the swing of swing arm (35) Function restores to the original state automatically after pressing.

As shown in Fig. 5, Fig. 6 and Fig. 7, transmission device includes rotary column (41) and turntable (42), and rotary column (41) is fixed on shaft (38) on, the outer ring of rotary column (41) offers annular groove (43), have on the outer wall of rotary column (41) perforation rotary column (41) one side wall and The guide groove one (44) of annular groove (43), the guide groove two (45) for penetrating through rotary column (41) another side wall and annular groove (43), guide groove one (44) parallel with guide groove two (45), guide groove one (44) and guide groove two (45) are curved, on the one side of turntable (42) Several positioning columns (46) are provided with, positioning column (46) is plugged in annular groove (43), axis and the turntable (42) of rotary column (41) Axis is vertical, and turntable (42) is rotatably connected in rack (11), and the outer ring of turntable (42) is provided with and (46) one a pair of positioning column The fore-set (47) answered, fore-set (47) can be resisted against in swing arm (35).

The transmission device is realized because of guide groove one (44) and guide groove two (45) realization reducing by positioning column (46) Being driven in due course between rotary column (41) and turntable (42), that is, when positioning column (46) is located at guide groove two (45), no longer edge Damped rotation, and make to skid off annular groove (43) along guide groove two (45), adjacent positioning column (46) enters annular groove by metallic channel one (43) in, to realize that rotary column (41) rotation is turned around, turntable (42) rotates a smaller corner, this device not only can be real The positioning of existing rotary column (41), i.e., when annular groove (43) is interior, turntable (42) cannot rotate, and fore-set (47) can not drive swing arm (35) Pressing, and when rotated, the rotational angular velocity of moment is generated, realizes the cooperation of fore-set (47) and swing arm (35), makes swing arm (35) It pushes.

Tight fit between turntable (42) and rack (11) avoids turntable (42) from malfunctioning.

As shown in Figure 3 and Figure 4, it is connected by a positioning component between pressing plate (34) and axle sleeve (33), positioning component includes Several are fixed on the locating rod (48) on axle sleeve (33), and the lower surface of pressing plate (34) is fixedly installed several and locating rod (48) one-to-one guide sleeve (49), locating rod (48) are plugged in corresponding guide sleeve (49).

Due to swing arm (35) pressure force stress point not in the middle of pressing plate (34), in order to avoid pressure force is uneven, It is inconsistent to press displacement, is connected by a positioning component between pressing plate (34) and axle sleeve (33), realizes the parallel of pressing plate (34) It moves down and moves up, can also realize that the equilibrium of pressing plate (34) pressure force, pressing displacement are consistent.

Shown in as shown in Figure 1, Figure 3 and Figure 4, shedding mechanism includes a stripper (51), is offered on stripper (51) and pan feeding The one-to-one dumping pit (52) in hole (32), pressing plate (34) are connected with a synchronous disk (53) by a bearing, synchronous disk (53) Lower surface is fixedly installed an alignment rods (54), and the lower end of alignment rods (54) has the plug (55) of a wedge type, expects on thorax (31) An avoid holes (56) are offered, alignment rods (54) are plugged in avoid holes (56), and stripper offers a positioning hole on (51) (57), location hole (57) inner wall has the corresponding inclined-plane of a plug (55), and in plug (55) uplink, dumping pit (52) with enter Expect hole (32) face, when plug (55) downlink, dumping pit (52) blocks the lower ending opening of plup inlet (32).

The outer end of positioning column (46) has a limit protrusion (9)；Limit protrusion (9) can ensure that positioning column (46) is moved to It when at guide groove one (44) or guide groove two (45), can smoothly enter in metallic channel one or guide groove two (45), improve steady Qualitative and reliability.

Only in dumping pit (52) and plup inlet (32) complete face, lithium battery can be real by dumping pit (52) Existing discharging, and in pressing plate (34) bonding processes, when being pressure bonded to minimum point, in the work of the plug (55) and location hole (57) of wedge type It under, unloads charging tray and is twisted certain angle, and just make dumping pit (52) and plup inlet (32) face, pressing force effect keeps lithium electric Pond speeds away dumping pit (52), to squeeze out lithium battery.

It is connected by a torsional spring (58) between stripper (51) and shaft (38)；Stripper is provided with fixation below (51) Splicing plate (6) in rack (11).

As shown in Figure 1, be connected by belt between driving motor (12) and extruding rotor (22), the company of rotation in rack (11) It is connected to bevel gear one (71) and bevel gear two (72), is passed through between the transmission shaft where driving motor (12) and bevel gear one (71) Belt is connected, and bevel gear one (71) and bevel gear two (72) engage, the transmission shaft and shaft (38) where bevel gear two (72) it Between by belt be connected.

As illustrated in figures 1 and 8, it is provided with a cushion collar (73) in shaft (38), band is fixedly installed outside cushion collar (73) One (74) are taken turns, belt wheel two is fixedly installed on transmission shaft where bevel gear two (72), passes through between belt wheel one (74) and belt wheel two Belt is connected, and a buffer structure is provided between cushion collar (73) and shaft (38).

Buffer structure includes several receiving holes (75) being opened on cushion collar (73) inner wall, is had in receiving hole (75) One ball (76) is connected between ball (76) and receiving hole (75) bottom wall by a buffer spring (77), shaft (38) Being offered on outer wall can be resisted against with the one-to-one recess (78) of receiving hole (75), ball (76) in recess (78).

The effect of buffering is that lithium battery on the one hand can be prevented stuck at locating slot (25), to make lithium battery Plup inlet (32) is smoothly entered, on the other hand, the rotation delay of shaft (38) can also be provided, shaft (38) and turntable are made (42) there is a delay between, to keep pressure force not too large, the time of discharging can be vacateed after pressing.

Buffer structure can protect lithium battery casing, when getting stuck, shaft (38) and cushion collar (73) it Between have skidded, to avoid lithium battery casing impaired.

As shown in figure 9, the cross section for squeezing rotor (22) is in regular hexagon；The extruding rotor (22) of regular hexagon has more Big extruding force, however, tool there are six curl (82) and six straight flanges (81) extruding rotor (22), due to straight flange (81) compared with Short, curl (82) is longer, can have better guiding role to lithium battery, avoid occurring stuck situation at pharyngeal (27).

Embodiment two：

The present embodiment content is substantially identical as embodiment one, except that：

As shown in Figure 10, the cross section for squeezing rotor (22) includes the curl (82) of six straight flanges (81) and six indents, Curl (82) and straight flange (81) distribute alternately.

The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.

Claims

1. a kind of feeding buffer structure of lithium battery pressing machine, which is characterized in that pressing machine includes rack (11) and is arranged in machine Driving motor (12) on frame (11)；Pressing machine further includes the material thorax (31) of a bar shape, is fixedly installed on the rack (11) There are an axle sleeve (33), the material thorax (31) to be rotatably connected in axle sleeve (33) by a shaft (38), the driving motor (12) It is connected by belt between shaft (38)；This buffer structure includes the cushion collar (73) being arranged in shaft (38), this buffering Structure further includes several receiving holes (75) being opened on cushion collar (73) inner wall, has a ball in the receiving hole (75) (76), it is connected by a buffer spring (77) between the ball (76) and receiving hole (75) bottom wall, the shaft (38) Outer wall on offer recess (78) can be resisted against with the one-to-one recess (78) of receiving hole (75), the ball (76) It is interior.