CN209853448U - Automatic tensioning device for power lug metal belt - Google Patents

Abstract

The utility model discloses an automatic overspeed device tensioner of power utmost point ear strap, including the mount, top both ends between the both sides inner wall of mount are rotated respectively and are connected with backing roll and discharge roller, and the top intermediate position between the mount both sides inner wall rotates and is connected with the feed roll, the position that bottom and discharge roller correspond between the mount both sides inner wall rotates and is connected with the connecting roll, the one end rotation that the connecting roll was kept away from to the bottom between the mount both sides inner wall is connected with the tensioning roller. The utility model discloses utilize the tensioning roller to compress tightly the strap, the both ends of tensioning roller are rotated with the slider and are connected, and the slider utilizes the restriction horizontal migration in the spread groove of connecting piece and locating part, utilizes compression spring's elasticity to make the tensioning roller carry out automatic adjustment according to the elasticity of actual strap to realize automatic tensioning, and through the connection of slider, make the tensioning roller carry out the rate of tension adjustment in the horizontal direction, thereby increase the adjustment range of tensioning roller to the strap.

Description

Automatic tensioning device for power lug metal belt

Technical Field

The utility model relates to a power utmost point ear production technical field especially relates to an automatic overspeed device tensioner of power utmost point ear strap.

Background

The tab is a raw material of a lithium ion polymer battery product, the metal belt of a tab substrate is generally conveyed by a winding and traction mechanism in the production process of the power tab, and then the finished product is manufactured by corresponding processing equipment in sequence, the metal belt of the power tab needs to be tensioned in the production process, the metal belt is compressed by a tensioning roller lower than the bottom of a supporting roller in the prior art, the tensioning degree is adjusted by only adjusting the height of the tensioning roller in the vertical direction, and the range of adjusting the tensioning degree is small.

Through retrieval, chinese patent publication No. CN208358234U discloses a novel single-strip power tab production line, which comprises a discharging pipe, a preheating device, a gluing mechanism, a split notch, a first pulling device, a tensioning wheel, a pressing device, a second pulling device, a cutting hole, a punching angle and a material box, wherein the discharging pipe is located at one end of a production device, the tail end of the discharging pipe is connected with a conveying box, a pressure gauge is arranged above the conveying box, the pressure gauge contains a dust removing mechanism, the conveying box is connected with the preheating device, the preheating device adopts an internal heating mode, and the first welding device and the second welding device are used for welding air discharge bubbles. Foretell a novel list power utmost point ear production line utilizes the distance between take-up pulley and the platform to adjust the strap rate of tension, but the distance between take-up pulley and the platform is little, and it is little to the control range of strap rate of tension.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an automatic tensioning device for a power lug metal belt.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an automatic tensioning device for a power tab metal belt comprises a fixing frame, wherein two ends of the top between the inner walls on two sides of the fixing frame are respectively and rotatably connected with a supporting roller and a discharging roller, the middle position of the top between the inner walls on two sides of the fixing frame is rotatably connected with a feeding roller, the position between the inner walls on two sides of the fixing frame, at the bottom of which the position corresponds to the discharging roller, is rotatably connected with a connecting roller, one end of the bottom between the inner walls on two sides of the fixing frame, which is far away from the connecting roller, is rotatably connected with a tensioning roller, the positions, corresponding to the inner walls on two sides of the fixing frame and the tensioning roller, are provided with horizontally arranged connecting grooves, the inner walls of the connecting grooves are slidably connected with sliding blocks, the sliding blocks are provided with fixing parts, connecting parts and limiting parts, two ends of the, the both ends of connecting piece are fixed with the both sides inner wall of spread groove respectively, be connected with pressure spring between one side outer wall that connecting portion are close to the discharge roll and one side inner wall of spread groove.

Preferably, a limiting groove is formed in the outer wall of one side of the limiting portion, and a limiting part is arranged inside the limiting groove.

Preferably, the two ends of the limiting part are respectively rotatably connected with the inner walls of the two sides of the connecting groove, and one side of the circumferential outer wall of the limiting part, which is close to the compression spring, is in threaded connection with a limiting block.

Preferably, the connecting parts and the limiting parts of the sliding blocks are arranged in a reverse direction, the two connecting parts are respectively located at the top and the bottom of the fixing part, and the two limiting parts are respectively located at the top and the bottom of the fixing part.

Preferably, the circumferential outer wall of the tensioning roller is provided with an auxiliary groove in an annular structure.

Preferably, the guide seats of the annular structure are fixed at the two ends of the outer wall of the circumference of the tensioning roller, which are located at the auxiliary groove, and the guide grooves of the arc-shaped structure are formed at the ends, close to the auxiliary groove, of the guide seats.

Preferably, the guide seat is arranged in an arc structure close to the bottom of the bottom end of the auxiliary groove.

The utility model has the advantages that:

1. make power utmost point ear strap get into and go out from feed roller and discharge roller through corresponding mechanism, and make the strap pass through from the tensioning roller bottom of feed roller and discharge roller bottom, thereby utilize the tensioning roller to compress tightly the strap, the both ends of tensioning roller are rotated with the slider and are connected, the slider utilizes the restriction of connecting piece and locating part horizontal migration in the spread groove, and the slider is close to one side of discharge roller and is connected with pressure spring, thereby utilize pressure spring's elasticity can make the tensioning roller carry out automatic adjustment according to the elasticity of actual strap, in order to realize automatic tensioning, and the connection through the slider, make the tensioning roller carry out the rate of tension adjustment in the horizontal direction, thereby increase the adjustment range of tensioning roller to the strap, in order to adapt to the elasticity change of metal strap in the actual production process more.

2. The connecting groove internal rotation is connected with the locating part, and the area of locating part cross section is less than the area of spacing groove cross section on the slider, and the locating part is close to compression spring's one end threaded connection has the stopper, utilizes the stopper can restrict the tensioning roller, prevents that compression spring pine from taking off and leading to whole strap to take place to take off, gives closing device a spacing protection mechanism, improves the security that closing device used, and the position of the adjustable stopper of rotatory locating part.

3. Furthermore, an annular auxiliary groove is formed in the outer wall of the tensioning roller, and guide seats with arc-shaped guide grooves are arranged at two ends of the auxiliary groove, so that the metal belt is prevented from deviating to influence the whole machining process of the power lug by utilizing the matching of the auxiliary groove, the guide seats and the guide grooves.

Drawings

Fig. 1 is a schematic view of the overall structure of an automatic tensioning device for a power tab metal belt provided by the present invention;

fig. 2 is a schematic side view of the automatic tensioning device for power tab metal strips according to the present invention;

fig. 3 is a schematic cross-sectional structural view of an automatic tensioning device for a power tab metal belt provided by the present invention;

fig. 4 is the utility model provides a power utmost point ear strap automatic tensioning device's tensioning roller schematic structure.

In the figure: the device comprises a fixing frame 1, a feeding roller 2, a discharging roller 3, a tensioning roller 4, a connecting roller 5, a connecting groove 6, a fixing part 7, a connecting part 8, a limiting part 9, a connecting part 10, a pressing spring 11, a limiting part 12, a limiting block 13, an auxiliary groove 14, a guide seat 15 and a guide groove 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example 1

Referring to fig. 1-3, a dynamic tab metal belt automatic tensioning device comprises a fixed frame 1, wherein a supporting roller and a discharging roller 3 are respectively and rotatably connected to the two ends of the top part between the inner walls of the two sides of the fixed frame 1, a feeding roller 2 is rotatably connected to the middle position of the top part between the inner walls of the two sides of the fixed frame 1, a connecting roller 5 is rotatably connected to the position between the inner walls of the two sides of the fixed frame 1, which corresponds to the discharging roller 3, a tensioning roller 4 is rotatably connected to the end of the bottom part between the inner walls of the two sides of the fixed frame 1, which is far away from the connecting roller 5, a horizontally arranged connecting groove 6 is arranged at the position between the inner walls of the two sides of the fixed frame 1 and the tensioning roller 4, a sliding block is slidably connected between the inner walls of the top part and the bottom part of the connecting groove, the wearing groove has been seted up to one side outer wall of connecting portion 8, and the inner wall sliding connection who wears the groove has connecting piece 10, and the both ends of connecting piece 10 are fixed with the both sides inner wall of spread groove 6 respectively, are connected with pressure spring 11 between one side outer wall that connecting portion 8 is close to discharge roller 3 and one side inner wall of spread groove 6, and pressure spring 11 cover is established at the outer wall of connecting piece 10.

In the utility model, a limiting groove is formed on the outer wall of one side of the limiting part 9, a limiting part 12 is arranged in the limiting groove, the area of the cross section of the limiting part is smaller than that of the cross section of the limiting groove, so that the limiting part 12 and the connecting part 10 are utilized to avoid the deviation of the sliding block and the tension roller 4, the limiting part 12 is of a cylindrical structure, the two ends of the limiting part 12 are respectively connected with the inner walls of the two sides of the connecting groove 6 in a rotating manner, one side of the circumferential outer wall of the limiting part 12, which is close to the compression spring 11, is in threaded connection with a limiting block 13, the outer walls of the two ends of the limiting block 13 are respectively in sliding connection with the inner walls of the two ends of the;

connecting portion 8 and spacing portion 9 of two sliders are reverse setting, and two connecting portions 8 are located the top and the bottom of fixed part 7 respectively, and two spacing portions 9 are located the top and the bottom of fixed part 7 respectively, make and be crisscross setting between two pressure spring 11 and two stopper 13 to make tensioning roller 4 keep the level when using.

Example 2

Referring to fig. 1-4, an automatic overspeed device tensioner of power utmost point ear strap, it is further, tensioning roller 4's circumference outer wall sets up the auxiliary groove 14 of loop configuration, make the strap pass from auxiliary groove 14, utilize the restriction of auxiliary groove 14 to avoid the strap off tracking, tensioning roller 4 circumference outer wall is located the both ends of auxiliary groove 14 and all is fixed with the guide holder 15 of loop configuration, and guide holder 15 is close to the one end of auxiliary groove 14 and sets up the guide way 16 of arc structure, guide holder 15 is close to the bottom of auxiliary groove 14 and sets up into the arc structure, thereby reduce the wearing and tearing to the strap.

The working principle is as follows: the metal belt of the power lug enters and exits from the feeding roller 2 and the discharging roller 3 through a corresponding mechanism, the metal belt passes through the bottom of the tensioning roller 4 at the bottom of the feeding roller 2 and the discharging roller 3, the metal belt is compressed by the tensioning roller 4, two ends of the tensioning roller 4 are rotatably connected with the sliding block, the sliding block horizontally moves in the connecting groove 6 by the limitation of the connecting piece 10 and the limiting piece 12, and one side of the sliding block, which is close to the discharging roller 3, is connected with the compression spring 11, so that the tensioning roller 4 can be automatically adjusted according to the tightness of the actual metal belt by the elasticity of the compression spring 11, automatic tensioning is realized, and the tension adjustment of the tensioning roller 4 in the horizontal direction is realized through the connection of the sliding block, the adjustment range of the tensioning roller 4 on the metal belt is enlarged, and the tightness change of the metal belt in;

a limiting part 12 is rotatably connected in the connecting groove 6, the area of the cross section of the limiting part 12 is smaller than that of the cross section of the limiting groove on the sliding block, one end, close to the compression spring 11, of the limiting part 12 is in threaded connection with a limiting block 13, the tensioning roller 4 can be limited by the limiting block 13, the compression spring 11 is prevented from loosening to cause the whole metal belt to loosen, a limiting protection mechanism is provided for the compressing device, the use safety of the compressing device is improved, and the position of the limiting block 13 can be adjusted by rotating the limiting part 12;

furthermore, an annular auxiliary groove 14 is formed in the outer wall of the tension roller 4, and guide seats 15 provided with arc-shaped guide grooves 16 are arranged at the two ends of the auxiliary groove 14, so that the metal belt is prevented from deviating to influence the whole machining process of the power lug by the aid of the auxiliary groove 14, the guide seats 15 and the guide grooves 16.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (7)

1. The utility model provides an automatic overspeed device tensioner of power utmost point ear strap, includes mount (1), its characterized in that, top both ends between the both sides inner wall of mount (1) are rotated respectively and are connected with backing roll and discharge roller (3), and the top intermediate position between the inner wall of mount (1) both sides rotates and is connected with feed roll (2), the position rotation that the bottom corresponds with discharge roller (3) between the inner wall of mount (1) both sides is connected with connecting roll (5), the one end rotation that connecting roll (5) were kept away from to the bottom between the inner wall of mount (1) both sides is connected with tensioning roller (4), the position that the inner wall of mount (1) both sides corresponds with tensioning roller (4) is seted up spread groove (6) that have the level to set up, and the inner wall sliding connection of spread groove (6) has the slider, the slider is provided with fixed part (7), connecting, and fixed part (7) are located the intermediate position, the both ends of tensioning roller (4) are connected with the outer wall rotation of two fixed part (7) respectively, wear the groove has been seted up to one side outer wall of connecting portion (8), and the inner wall sliding connection who wears the groove has connecting piece (10), and the both ends of connecting piece (10) are fixed with the both sides inner wall of spread groove (6) respectively, be connected with pressure spring (11) between one side outer wall that connecting portion (8) are close to discharge roller (3) and one side inner wall of spread groove (6).

2. The automatic tensioning device for the power lug metal belt is characterized in that a limiting groove is formed in the outer wall of one side of the limiting part (9), and a limiting part (12) is arranged inside the limiting groove.

3. The automatic tensioning device for the power lug metal belt according to claim 2 is characterized in that two ends of the limiting member (12) are respectively and rotatably connected with the inner walls of two sides of the connecting groove (6), and a limiting member (13) is in threaded connection with one side of the circumferential outer wall of the limiting member (12) close to the compression spring (11).

4. The automatic tensioning device for the metal strips of the power lugs as claimed in claim 3, characterized in that the connecting parts (8) and the limiting parts (9) of the two sliding blocks are arranged in opposite directions, the two connecting parts (8) are respectively positioned at the top and the bottom of the fixing part (7), and the two limiting parts (9) are respectively positioned at the top and the bottom of the fixing part (7).

5. The automatic tensioning device for the power lug metal belt is characterized in that the peripheral outer wall of the tensioning roller (4) is provided with an auxiliary groove (14) in an annular structure.

6. The automatic tensioning device for the power lug metal belt is characterized in that guide seats (15) in an annular structure are fixed at two ends, located at the auxiliary groove (14), of the peripheral outer wall of the tensioning roller (4), and guide grooves (16) in an arc structure are formed in one ends, close to the auxiliary groove (14), of the guide seats (15).

7. The automatic tensioning device for the metal strips of power tabs according to claim 6, characterized in that the guide seats (15) are arranged in an arc-shaped configuration near the bottom of the bottom end of the auxiliary groove (14).