CN218414721U

CN218414721U - Pin inserting device

Info

Publication number: CN218414721U
Application number: CN202222436996.3U
Authority: CN
Inventors: 管赟; 陈高; 刘阳军; 夏信德; 雷斌; 曹乾
Original assignee: He'nan Penghui Power Supply Co ltd
Current assignee: He'nan Penghui Power Supply Co ltd
Priority date: 2022-09-13
Filing date: 2022-09-13
Publication date: 2023-01-31
Anticipated expiration: 2032-09-13

Abstract

The utility model provides a pin inserting device, which relates to the technical field of electric core production and comprises a moving mechanism and a pin inserting mechanism; the material distributing device is characterized in that material distributing grooves are uniformly formed in the circumferential direction of the material distributing rollers, a material rod in the material box enters the material distributing holes from the material outlet, and the material distributing grooves are matched with the material distributing holes to enable the material rod to pass through the auxiliary material rollers and the material distributing rollers. The utility model provides a moving mechanism of pin device is arranged in making pin mechanism to roll up the core removal, and pin mechanism is arranged in sending into the charge bar and rolls up the core, makes the charge bar follow and rolls up the core and convolute together, increases the sliding gap who rolls up core inner circle to roll up core inner circle diaphragm and pole piece and can open naturally when cold/hot pressing, be "S" type/wave type' S the condition in order to alleviate roll up core inner circle pole piece, improve the battery performance.

Description

Pin inserting device

Technical Field

The utility model belongs to the technical field of the technique of electricity core production and specifically relates to a contact pin device is related to.

Background

With the development of new energy industry, the proportion of square lithium batteries in the market is also getting larger and larger, especially in the automobile and energy storage industry. In the production of batteries, the processes for forming the battery core include two processes, one is lamination, namely, a pole piece is cut into a section with a specified size, then a diaphragm, a negative pole piece, the diaphragm and a positive pole piece are sequentially overlapped together, and the other is that the pole piece diaphragm is directly rolled together by a rolling material in an over-rotation mode without cutting a section.

At present in winding process, the core is according to certain elasticity degree of coiling tension between adjusting circle and the circle, but the tension difference between circle and the circle is very little to present equipment is difficult to do accurate control, especially needs accelerate when just rolling up, and the unable instant response of mechanism' S regulation, this just leads to accelerating the big of the tension ratio demand of several rings behind the section, though reduce speed can effectively alleviate the degree of electric core "S" type or wave type, but this greatly influences production efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a contact pin device to alleviate in coiling technology, electric core easily is the technical problem of "S" type or wave type.

The utility model provides a pin inserting device, which comprises a moving mechanism and a pin inserting mechanism; the moving mechanism comprises a first driving device, a lead screw and a moving block, the first driving device is connected with the lead screw, the moving block is screwed on the lead screw, and the first driving device enables the moving block to move along the length direction of the lead screw by rotating the lead screw;

the pin inserting mechanism comprises a connecting plate and a material box, a second driving device, an auxiliary material roller and a material distributing roller are arranged on the connecting plate, and the second driving device is connected with the material distributing roller and used for driving the material distributing roller to rotate;

the material box is arranged on the connecting plate, and a feed opening is arranged on the material box; one end of the auxiliary roller is arranged on the connecting plate, and a distributing opening communicated with the discharging opening is formed between the auxiliary roller and the distributing roller;

the material distributing device is characterized in that material distributing grooves are uniformly formed in the circumferential direction of the material distributing rollers, a material rod in the material box enters the material distributing holes from the material outlet, and the material distributing grooves are matched with the material distributing holes to enable the material rod to pass through the auxiliary material rollers and the material distributing rollers.

In an optional embodiment, a guide part is arranged at the lower end of the material box, and the guide part is provided with a guide arc surface which is arranged at the lower end of the material distribution port and guides the moving direction of the material rod.

In an optional embodiment, the moving mechanism further includes a moving base, a side supporting plate is disposed at one end of the moving base, the first driving device is disposed on a side of the side supporting plate away from the moving block, and a driving shaft of the first driving device is inserted into the side supporting plate and connected to the lead screw;

the movable base is provided with two supporting seats, and two ends of the lead screw are respectively provided with one supporting seat in a penetrating mode.

In an optional embodiment, two sides of the lead screw are respectively provided with a guide rail, a sliding block is arranged on the guide rails in a sliding manner, and the sliding block is fixedly connected with a moving block.

In an optional implementation manner, a plurality of fixing holes are formed in the moving block, elongated holes corresponding to the fixing holes one to one are formed in the connecting plate, and bolts are inserted into the elongated holes and connected with the fixing holes.

In an optional embodiment, the second driving device and the distributing roller are arranged on the same side of the connecting plate, a driving shaft of the second driving device penetrates through the connecting plate, and a driving wheel is arranged on one side of the connecting plate, which is far away from the second driving device;

one end of the distributing roller penetrates through the connecting plate and extends to the other side of the connecting plate; and a driven wheel is arranged on the distributing roller and connected with the driving wheel through a belt.

In an optional embodiment, the material box comprises a material box main body, the lower end of the material box main body is provided with the feed opening, the lower end of the material box main body is a bottom plate, and one end of the bottom plate, which is far away from the feed opening, is higher than one end of the bottom plate, which is adjacent to the feed opening.

In an optional embodiment, three distributing grooves are uniformly arranged on the peripheral side of the distributing roller.

In an alternative embodiment, the width of the material dividing opening is smaller than the diameter of the material rod.

In an optional embodiment, the lower end of the material box is provided with two guide pieces, and the guide pieces are provided with avoidance grooves matched with the auxiliary material rollers.

The utility model provides a pin inserting device 'S moving mechanism is arranged in making pin inserting mechanism remove to rolling up the core, and pin inserting mechanism is arranged in sending into the material stick and rolls up the core together, makes the material stick follow and rolls up the core and convolute, increases the sliding gap who rolls up core inner circle to roll up core inner circle diaphragm and pole piece and can open naturally when cold/hot pressing, be "S" type/wave type' S the condition with the core inner circle pole piece of alleviating roll, improve the battery performance.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a pin inserting device according to an embodiment of the present invention;

FIG. 2 is a schematic view of a pin insertion mechanism of the pin insertion apparatus shown in FIG. 1;

FIG. 3 is a schematic view of another angle of the pin inserting mechanism of the pin inserting device shown in FIG. 1;

FIG. 4 is a further angled schematic view of a pin mechanism of the pin device shown in FIG. 1;

fig. 5 is a partially enlarged view a of the structural schematic diagram of the pin inserting mechanism shown in fig. 4.

An icon: 100-moving the base; 200-side support plates; 300-a supporting seat; 400-a guide rail; 500-lead screw; 600-a connecting plate; 601-a slot hole; 700-a moving block; 800-a slide block; 900-second driving means; 901-driving wheels; 110-a distribution roller; 111-material distribution groove; 112-a driven wheel; 120-a cartridge body; 130-a backplane; 140-a material bar; 150-a belt; 160-a guide; 161-guiding arc surface; 170-an auxiliary roller; 180-a feed opening; 190-a first drive; 210-material separating port.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1 to 5, the present invention provides a pin inserting device, which includes a moving mechanism and a pin inserting mechanism; the moving mechanism comprises a first driving device 190, a lead screw 500 and a moving block 700, wherein the first driving device 190 is connected with the lead screw 500, the moving block 700 is screwed on the lead screw 500, and the first driving device 190 rotates the lead screw 500 to move the moving block 700 along the length direction of the lead screw 500;

the pin inserting mechanism comprises a connecting plate 600 and a material box, a second driving device 900, an auxiliary material roller 170 and a distributing roller 110 are arranged on the connecting plate 600, and the second driving device 900 is connected with the distributing roller 110 and used for driving the distributing roller 110 to rotate;

the material box is arranged on the connecting plate 600, and a feed opening 180 is arranged on the material box; one end of the auxiliary roller 170 is arranged on the connecting plate 600, and a material distributing opening 210 communicated with the feed opening 180 is formed between the auxiliary roller 170 and the material distributing roller 110;

distributing grooves 111 are uniformly arranged along the circumferential direction of the distributing roller 110, the material rods 140 in the material boxes enter the distributing openings 210 from the feed opening 180, and the distributing grooves 111 and the distributing openings 210 are matched to enable the material rods 140 to penetrate through the space between the auxiliary material roller 170 and the distributing roller 110.

In some embodiments, the pin inserting mechanism of the pin inserting device is disposed on the moving mechanism, and the first driving device 190 of the moving mechanism enables the moving block 700 to move along the lead screw 500 by rotating the lead screw 500, so that the pin inserting mechanism fixed on the moving block 700 can move along the lead screw 500; the pin inserting mechanism can move towards the winding needle and throw in the material rod 140, and after the pin inserting mechanism throws in the material rod 140, the pin inserting mechanism is far away from the winding needle under the action of the moving mechanism.

The material box is internally provided with a plurality of material rods 140, and the material rods 140 are separated from the material box from a feed opening 180 of the material box; the second driving device 900 rotates the distributing roller 110, the distributing groove 111 on the distributing roller 110 rotates along with the distributing roller 110, and the material rod 140 can be embedded into the distributing groove 111, so that the material rod 140 can pass through the distributing opening 210; with the rotation of the material distributing roller 110, the material rod 140 is separated from the material distributing groove 111 under the action of gravity, and the material rod 140 falls above the winding needle and contacts with the diaphragm; under the rotation effect of book needle, fall into the contained angle department of pole piece and diaphragm after being driven a rotatory small-angle by the diaphragm, afterwards by pole piece and diaphragm parcel and then rotate together, when the completion book core of coiling is taken out, take out material stick 140 again with reuse, the book core is colded pressing or hot pressing again.

Referring to fig. 5, in an alternative embodiment, the lower end of the magazine is provided with a guide member 160, the guide member 160 has a guide arc surface 161, the guide arc surface 161 is disposed at the lower end of the material distribution port 210, and the guide arc surface 161 guides the moving direction of the material rods 140.

A guide member 160 is arranged at the lower end of the magazine, the guide member 160 is provided with a guide arc surface 161, the material rods 140 rolled out from the material distributing port 210 move along the guide arc surface 161, are separated from the guide member 160 from the tail end of the guide member 160 and move towards the winding needle;

the material rod 140 rolled from the material box can fall onto the winding needle under the action of the guide piece 160, so that the needle throwing operation is realized; the feeding needle is a feeding rod 140, and the feeding rod 140 is wrapped by a pole piece and a diaphragm to rotate together, so that the operation of inserting the needle in the winding core is completed.

Referring to fig. 1, in an alternative embodiment, the moving mechanism further includes a moving base 100, a side support plate 200 is disposed at one end of the moving base 100, the first driving device 190 is disposed at a side of the side support plate 200 away from the moving block 700, and a driving shaft of the first driving device 190 penetrates through the side support plate 200 and is connected to the lead screw 500;

two supporting seats 300 are arranged on the movable base 100, and two ends of the screw rod 500 are respectively provided with one supporting seat 300 in a penetrating manner.

In an alternative embodiment, two guide rails 400 are respectively disposed on two sides of the lead screw 500, a slider 800 is slidably disposed on the guide rails 400, and the slider 800 is fixedly connected to the moving block 700.

In an alternative embodiment, a plurality of fixing holes are formed in the moving block 700, elongated holes 601 corresponding to the fixing holes one to one are formed in the connecting plate 600, and bolts are inserted into the elongated holes 601 and connected to the fixing holes.

In some embodiments, one end of the movable base 100 is provided with a side support plate 200, the first driving device 190 and the second driving device 900 are both generally servo motors, the first driving device 190 is disposed on the side support plate 200, and a driving shaft of the first driving device 190 penetrates through the side support plate 200 and extends to the other side of the side support plate 200; the drive shaft is typically coupled to the lead screw 500 by a coupling; the screw 500 is provided with two supporting seats 300, the part of the screw penetrating the supporting seats 300 has no thread, and the part of the screw 500 between the two supporting seats 300 has a thread; the two support bases 300 are used to support the screw 500.

The moving block 700 is screwed on the lead screw 500, and two ends of the moving block 700 are respectively connected with a slider 800 on one guide rail 400, and the guide rail 400 is used for limiting the moving direction of the moving block 700 and making the moving block 700 unable to rotate; that is, when the lead screw 500 rotates, the moving block 700 can move only along the length direction of the lead screw 500.

In order to enable the pin inserting mechanism to insert the material rod 140 into the winding core more accurately, the connecting plate 600 is provided with the strip hole 601, the bolt penetrates through the strip hole 601 and is screwed in the fixing hole of the moving block 700, so that the connection between the connecting plate 600 and the moving block 700 is realized, the connecting plate 600 can be finely adjusted to a certain degree, and the material inserting mechanism is enabled to throw materials more accurately.

Referring to fig. 2 and 3, in an alternative embodiment, the second driving device 900 is disposed on the same side of the connecting plate 600 as the distribution roller 110, a driving shaft of the second driving device 900 penetrates through the connecting plate 600, and a driving wheel 901 is disposed on a side of the connecting plate 600 far away from the second driving device 900;

one end of the distributing roller 110 is arranged on the connecting plate 600 in a penetrating way and extends to the other side of the connecting plate 600; a driven wheel 112 is arranged on the distributing roller 110, and the driven wheel 112 is connected with the driving wheel 901 through a belt 150.

The driving wheel 901 is arranged on the driving shaft of the second driving device 900, and the driving wheel 901 is connected with the driven wheel 112 through the belt 150, so that the second driving device 900 drives the distributing roller 110.

In an alternative embodiment, the cartridge comprises a cartridge body 120, the feed opening 180 is arranged at the lower end of the cartridge body 120, the lower end of the cartridge body 120 is a bottom plate 130, and one end of the bottom plate 130 far away from the feed opening 180 is higher than one end of the bottom plate 130 adjacent to the feed opening 180.

In an alternative embodiment, three distributing grooves 111 are uniformly arranged on the peripheral side of the distributing roller 110.

In an alternative embodiment, the width of the material dividing opening 210 is smaller than the diameter of the material bar 140.

In an alternative embodiment, the lower end of the magazine is provided with two guides 160, and the guides 160 are provided with escape grooves that mate with the auxiliary roller 170.

The material box is generally horizontally arranged, the bottom plate 130 in the material box main body 120 is obliquely arranged, the material rod 140 in the material box moves towards the feed opening 180 under the action of gravity, and when the material rod 140 enters the material distributing opening 210 from the feed opening 180, the material rod 140 cannot be directly separated from the material distributing opening 210 because the width of the material distributing opening 210 is smaller than the diameter of the material rod 140; when the material bar 140 needs to be put in, the second driving device 900 rotates the material distribution roller 110, so that the material distribution groove 111 on the material distribution roller 110 rotates to a position where the material pump can enter, and after the material bar 140 enters the material distribution groove 111, the material distribution groove 111 is an arc groove, the material distribution groove 111 continues to rotate, and at this time, because the material bar 140 is partially positioned in the material distribution groove 111, the material bar 140 can pass through the material distribution opening 210; the material rod 140 moves along the guide 160 after passing through the material distributing opening 210, and accurately drops on the winding needle under the guiding action of the guide 160.

One or more material rods 140 are inserted at one time in the winding process of the winding core, the material rods 140 are arranged in the material box, and the material rods 140 in the material box sequentially roll towards the feed opening 180; after the distributing roller 110 enters one material bar 140 in the distributing groove 111, the other material bars 140 move downwards in sequence, so that the next distributing groove 111 on the distributing roller 110 is ensured to move to the distributing opening 210, and the material bar 140 enters the distributing groove 111.

The utility model provides a moving mechanism of pin device is arranged in making pin mechanism to roll up the core removal, and pin mechanism is arranged in sending into charge bar 140 and rolls up the core, makes charge bar 140 follow and rolls up the core and convolute together, and the increase rolls up the sliding gap of core inner circle to roll up core inner circle diaphragm and pole piece and can open naturally when cold/hot pressing, be "S" type/wave type' S the condition to alleviate core inner circle pole piece, improve the battery performance.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the scope of the invention in its corresponding aspects.

Claims

1. A pin inserting device is characterized by comprising a moving mechanism and a pin inserting mechanism; the moving mechanism comprises a first driving device (190), a lead screw (500) and a moving block (700), the first driving device (190) is connected with the lead screw (500), the moving block (700) is screwed on the lead screw (500), and the first driving device (190) enables the moving block (700) to move along the length direction of the lead screw (500) by rotating the lead screw (500);

the pin inserting mechanism comprises a connecting plate (600) and a material box, a second driving device (900), an auxiliary material roller (170) and a distributing roller (110) are arranged on the connecting plate (600), and the second driving device (900) is connected with the distributing roller (110) and used for driving the distributing roller to rotate;

the material box is arranged on the connecting plate (600), and a feed opening (180) is arranged on the material box; one end of the auxiliary material roller (170) is arranged on the connecting plate (600), and a material distributing opening (210) communicated with the material discharging opening (180) is formed between the auxiliary material roller (170) and the material distributing roller (110);

distributing grooves (111) are uniformly arranged along the circumferential direction of the distributing roller (110), a material rod (140) in the material box enters the distributing opening (210) from the feed opening (180), and the distributing grooves (111) and the distributing opening (210) are matched to enable the material rod (140) to penetrate through the space between the auxiliary material roller (170) and the distributing roller (110).

2. A pin device according to claim 1, characterized in that a guide member (160) is arranged at the lower end of the magazine, the guide member (160) has a guide arc surface (161), the guide arc surface (161) is arranged at the lower end of the material distribution opening (210), and the guide arc surface (161) guides the moving direction of the material rod (140).

3. A pin device according to claim 1, wherein the moving mechanism further comprises a moving base (100), a side supporting plate (200) is arranged at one end of the moving base (100), the first driving device (190) is arranged at one side of the side supporting plate (200) far away from the moving block (700), and a driving shaft of the first driving device (190) penetrates through the side supporting plate (200) and is connected with the lead screw (500);

two supporting seats (300) are arranged on the movable base (100), and one supporting seat (300) is respectively arranged at two ends of the lead screw (500) in a penetrating manner.

4. A pin device as claimed in claim 3, wherein a guide rail (400) is respectively arranged at two sides of the lead screw (500), a sliding block (800) is slidably arranged on the guide rail (400), and the sliding block (800) is fixedly connected with the moving block (700).

5. A pin device as claimed in claim 1, wherein the moving block (700) is provided with a plurality of fixing holes, the connecting plate (600) is provided with strip holes (601) corresponding to the fixing holes one by one, and bolts are inserted into the strip holes (601) and connected with the fixing holes.

6. A pin device according to claim 1, characterized in that the second driving device (900) and the distributing roller (110) are arranged on the same side of the connecting plate (600), the driving shaft of the second driving device (900) is arranged on the connecting plate (600) in a penetrating manner, and a driving wheel (901) is arranged on the side of the connecting plate (600) far away from the second driving device (900);

one end of the distributing roller (110) penetrates through the connecting plate (600) and extends to the other side of the connecting plate (600); a driven wheel (112) is arranged on the distributing roller (110), and the driven wheel (112) is connected with the driving wheel (901) through a belt (150).

7. A pin device according to claim 1, wherein the magazine comprises a magazine body (120), the feed opening (180) is arranged at a lower end of the magazine body (120), the lower end of the magazine body (120) is a bottom plate (130), and one end of the bottom plate (130) far away from the feed opening (180) is higher than one end of the bottom plate (130) adjacent to the feed opening (180).

8. A pin device according to claim 1, characterized in that three distributing grooves (111) are uniformly arranged on the peripheral side of the distributing roller (110).

9. A pin apparatus as in claim 1, wherein the width of the dispensing opening (210) is less than the diameter of the slug (140).

10. A pin device according to claim 2, characterized in that the magazine is provided with two guides (160) at its lower end, and that the guides (160) are provided with an escape groove matching the auxiliary roller (170).