CN215355427U - Sealed welding strip shaping machine - Google Patents

Abstract

The utility model provides a sealed welding strip shaping machine.A first driving mechanism of the sealed welding strip shaping machine is a double-acting air cylinder, and a driving part and at least a half-height piston rod of the double-acting air cylinder are positioned above a connecting lever; the shaping mechanism, the first driving mechanism and the connecting lever which are positioned above the base are arranged in an outer protective cover. When the connecting lever reciprocates up and down, the height difference between the connecting lever and the highest position point is not obvious, the driving part of the double-acting cylinder is arranged above the connecting lever, the layout of an air pipeline is convenient, an independent protection area can be formed for the double-acting cylinder independently, and the independent protection area is arranged for the connecting lever and the shaping mechanism.

Description

Sealed welding strip shaping machine

Technical Field

The utility model relates to the technical field of solar cell welding strip shaping, in particular to a sealed welding strip shaping machine.

Background

In the prior art, in order to avoid that the connection sections between the battery pieces are directly connected by using the circular welding strip, the splitting phenomenon can occur in the laminating process, the welding strip is shaped and flattened before being laid on the battery pieces, the shaped and flattened position on the welding strip corresponds to the connection sections of two adjacent battery pieces, the flattened welding strip is adopted to connect the adjacent battery pieces to reduce the height difference between the adjacent battery pieces and more tend to be in the same plane, and when the battery string component is laminated, the battery piece splitting cannot be caused, and a plurality of technical schemes are also disclosed aiming at the technical scheme, for example, the publication number is CN106876522A, the publication date is 2017-06-20, and the patent name is: a circular welding strip segmented shaping device and method and a series welding machine are referred to as a comparison document 1 in the following; for another example, publication No. CN210535684U, publication date 2020-05-15, patent name: a shaping device and a stringer, hereinafter referred to as reference 2.

In the prior art disclosed in reference 1, since the weld zone shaping mold and the base are disposed below the shaping device, the air pipe line that supplies air pressure to the double-acting cylinder can only be disposed above the shaping device, and then, when the first driving mechanism 20 in reference 1 moves upward, the coupling lever also rises, and when the first driving mechanism 20 reaches the highest point, the coupling lever also reaches the highest point in height, and since the height position of the coupling lever changes greatly, the highest point is used as a reference point to set the protection cover, in order to protect all of the coupling lever, the double-acting cylinder and the single-acting automatic reset cylinder at the same time, the protection cover with a very large volume must be selected, which leads to an increase in manufacturing cost.

Among the prior art that reference 2 disclosed, drive transmission portion rotates around first pivot, and transmission portion drives plastic portion and rotates around the second pivot, and plastic portion moves and carries out the plastic to being pressed the thing under the guide effect of first guide part, among the shaping device that reference 2 disclosed, wholly do not set up the protection casing, because reference 2's plastic mechanism is square, if need utilize the protection casing to protect, also need the great protection casing of volume, lead to the cost of manufacture to increase.

However, in the two patent technical schemes, the driving mechanism of the shaping device is not provided with a protective cover, the soldering flux needs to be soaked before the solder strip enters the shaping process of the solder strip, the process of soaking the soldering flux is located in front of the bending shaping station, the soldering flux easily enters the driving mechanism of the shaping machine, after a period of time, part of the soldering flux is crystallized, the moving parts of the bending shaping device are inflexible in movement and blocked, and even the bending shaping function is completely ineffective.

SUMMERY OF THE UTILITY MODEL

In view of this, it is necessary to provide a sealed solder ribbon shaper.

The utility model is realized by the following technical scheme.

A sealed solder strip trimmer structurally comprises: the base allows the welding strip to pass through and can realize flattening and shaping of the welding strip; a shaping mechanism for periodically applying flattening acting force to the welding strip in the base; the first driving mechanism periodically provides acting force for the shaping mechanism through the connecting lever, one end of the connecting lever is connected with the first driving mechanism through a rotating shaft, and the other end of the connecting lever is connected with a sliding bearing table on the upper end face of the shaping mechanism through a fulcrum rotating shaft in a sliding mode;

in order to realize the minimum height change of the connecting lever in the moving process and the minimum installation volume of the protective cover, the structure of the reshaping mechanism comprises the following components: a single-acting self-resetting cylinder; the first driving mechanism is a double-acting air cylinder, and a driving part and at least a half-height piston rod of the double-acting air cylinder are positioned above the connecting lever; the shaping mechanism, the first driving mechanism and the connecting lever which are positioned above the base are arranged in an outer protective cover.

In the process of the vertical reciprocating motion of the single-action automatic reset type cylinder, the connecting lever is driven to rotate clockwise or anticlockwise by taking the fulcrum rotating shaft as a supporting point, then the other end of the connecting lever acts on the sliding bearing table on the upper end face of the shaping mechanism, the other end of the connecting lever moves vertically to enable the lower end face of the shaping mechanism to move vertically, and the flattening action or the non-flattening action is alternately carried out on the welding strip.

Further, in order to prevent the piston rod of the double-acting cylinder from generating deflection relative to the rotating shaft under the action of radial force in the moving process, so that the abrasion of the connecting part of the piston rod is caused, and the phenomena of clamping stagnation and inflexibility of the movement of the piston rod occur, at least one guide sleeve is arranged in each double-acting cylinder and used for limiting the axial movement of the piston rod.

Further, in order to reduce the volume of the protective cover and save the manufacturing cost, an upper protective cover is arranged by taking the outer contour of the double-acting cylinder positioned above the connecting lever as a reference; and the connecting lever and the outer protection of the single-action automatic reset type cylinder are provided with lower protection covers by taking the highest position point of the movement of the connecting lever as a reference height.

Further, in order to save space, the gas line of the double-acting cylinder is arranged inside the upper shield.

Further, the double acting cylinder is of an integral design with the upper shield.

Further, in order to further increase the sealing performance inside the shaping mechanism, the height of the cross section of the joint of the sliding bearing table at the top of the single-acting automatic resetting cylinder and the cylinder is taken as a reference height, the cross section is taken as a reference plane to divide the lower protective cover into a first outer protective area and a second outer protective area, the two protective areas are completely sealed, and the upper part of the double-acting cylinder, the connecting lever and the sliding bearing table are sealed in the first outer protective area.

Further, in order to prevent lubricating grease from polluting the welding strip and prevent the backflow of the soldering flux from polluting the lubricating grease, the first outer protection area and the second outer protection area are sealed through a corrugated sealing ring.

Further, the last protective cover of first outer protective zone can be dismantled, goes up the protective cover and dismantles the back, can maintain whole shape mechanism inside, like adding lubricating oil etc..

Further, in order to prolong the service life of the coupling lever and the shaping piston, lubricating oil is injected into the first outer protection area, and the height of the lubricating oil is at least higher than the contact point of the coupling lever and the sliding bearing platform.

Furthermore, in order to conveniently add lubricating oil, in the first outer protective area, the upper portion of the sliding bearing table is provided with a lubricating bin, the bottom of the lubricating bin is provided with a hole for lubricating oil to permeate downwards, the hole is formed in the position, corresponding to the contact point of the sliding bearing table, of the connecting lever, and the top of the lubricating bin is provided with a feeding port.

The utility model has the technical effects that:

compared with the installation position of the first driving mechanism in the prior art document 1, the installation position of the double-acting cylinder in the utility model patent is inverted, when a piston rod of the double-acting cylinder moves downwards, one end of a connecting lever in sliding connection with a shaping mechanism moves anticlockwise, when the piston rod of the double-acting cylinder moves upwards, one end of the connecting lever in sliding connection with the shaping mechanism moves clockwise, when the connecting lever moves up and down in a reciprocating mode, the height difference between the connecting lever and the highest position point is not obvious, and a driving part of the double-acting cylinder is arranged above, so that the layout of a gas pipeline is convenient, and almost no extra space is occupied, therefore, an independent protection area can be formed for the double-acting cylinder independently, and the independent protection area is arranged for the connecting lever and the shaping mechanism additionally, compared with the protection space in the prior art, the utility model obviously reduces the total volume of the whole protection, obviously reduces the difficulty of arranging the protective cover and reduces the manufacturing cost. According to the utility model, the guide sleeve is arranged in the double-acting cylinder, so that the axial movement of the piston rod can be limited, the piston rod is protected, and the phenomena of clamping stagnation and inflexibility of the movement of the piston rod are prevented.

Drawings

Fig. 1 is a state diagram of a conventional shaping mechanism in which a flattening operation is not performed on a welding ribbon.

Fig. 2 is a state diagram of a shaping mechanism of the prior art for flattening a solder strip, and also illustrates the arrangement position of a protective cover.

Fig. 3 is a diagram illustrating a state in which the shaping mechanism does not perform the flattening operation on the welding ribbon in example 1.

Fig. 4 is a diagram illustrating a state in which the shaping mechanism performs the flattening operation on the solder ribbon in embodiment 1, and also illustrating the arrangement position of the shield.

Fig. 5 illustrates a schematic view of a fairing base.

Fig. 6 is a diagram illustrating a state in which the shaping mechanism crushes the solder ribbon in example 2.

Fig. 7 is a diagram showing a state where the shaping mechanism does not perform the flattening operation on the welding ribbon in example 2, and also showing the arrangement position of the protective cover.

Figure 8 illustrates a zoning scheme of the first outer zone and the second outer zone.

FIG. 9 illustrates one embodiment of a lubrication cartridge.

Figure 10 illustrates an embodiment of a guide sleeve arrangement.

FIG. 11 is a schematic view showing a protective cover of a sealed solder strip shaper

In the figure: the welding device comprises a base 10, a base 11, a welding strip channel 12, a guide groove 121, a shaping groove 122, a first driving mechanism 20, a piston rod 21, a rotating shaft 22, an air passage 23, a guide sleeve 24, a connecting lever 31, a fulcrum rotating shaft 32, a flattening bearing 33, an outer protective cover 40, an upper protective cover 41, a lower protective cover 42, a first outer protective area 421, a second outer protective area 422, an upper protective cover 43, a shaping mechanism 50, an automatic resetting type air cylinder 51, a sliding bearing table 52, a lubricating bin 60 and a welding strip 7.

Detailed Description

Embodiments of the present invention will be described below.

Example 1:

with reference to fig. 3 to 5, a sealed solder strip shaper structurally comprises: the base 10 allows the solder strip to pass through and can realize flattening and shaping of the solder strip; a shaping mechanism 50 for periodically applying a flattening force to the solder strip in the base; the structure of the reforming mechanism 50 includes: a single-acting automatic-return cylinder 51; the first driving mechanism 20 periodically provides acting force to the shaping mechanism 50 through the connecting lever 31, one end of the connecting lever 31 is connected with the first driving mechanism 20 through a rotating shaft 22, and the other end is connected with a sliding bearing table 34 on the upper end surface of the shaping mechanism 50 through a fulcrum rotating shaft 32 in a sliding manner; the first driving mechanism 20 in this embodiment is a double-acting cylinder, and the driving part of the double-acting cylinder and half of the piston rod 21 are located above the coupling lever 31; the shaping mechanism 50, the first driving mechanism 20 and the coupling lever 31 are arranged in the outer protective cover 40 and above the base 10; the upper protection cover 41 is arranged by taking the outer contour of the double-acting cylinder 20 above the connecting lever 31 as a reference, and the outer contour of the double-acting cylinder 20 and the upper protection cover 41 can also be designed into a whole; the lower protective cover 42 is arranged on the outer protection of the connecting lever 31 and the single-action automatic reset cylinder 51 by taking the highest position point of the movement of the connecting lever as the reference height; the gas line 23 of the double acting cylinder 20 is arranged in the upper shield 41.

When the piston rod 21 of the double-acting cylinder moves upwards, the connecting lever 31 is driven to move clockwise by taking the fulcrum rotating shaft 32 as a supporting point, the squash receiving part 33 at one end of the connecting lever 31, which is in sliding connection with the reshaping mechanism 50, moves downwards, the automatic resetting cylinder 51 of the reshaping mechanism 50 is pushed to move downwards, and the bottom of the reshaping mechanism 50 penetrates through the base 10 and is positioned above the solder strip channel 12 at the bottom of the base 10. The base 10 comprises a base 11, a welding strip channel 12 for a welding strip to pass through is arranged on the base 11, the welding strip channel 12 comprises a guide groove 121 and a shaping groove 122, the shaping groove 122 is positioned below the bottom of the automatic reset type cylinder 32, so that the round welding strip 7 is shaped through the acting force between the bottom of the automatic reset type cylinder 32 and the bottom of the shaping groove 122, and fig. 4 illustrates a state diagram when the shaping mechanism crushes the welding strip.

When the piston rod 21 of the double-acting cylinder moves downwards, the connecting lever 31 is driven to move anticlockwise by taking the fulcrum rotating shaft 32 as a supporting point, the flattening bearing 33 at one end of the connecting lever 31, which is in sliding connection with the shaping mechanism 50, moves upwards, the automatic reset cylinder 51 pushes the shaping mechanism to move upwards, the shaping mechanism 50 does not perform the flattening action any more, and fig. 3 illustrates a state diagram when the shaping mechanism does not perform the flattening action on the welding strip.

As can be seen from the weld fillet shaping machine illustrated in embodiment 1, fig. 3, and fig. 4, compared with the prior art illustrated in fig. 1 and fig. 2, when the coupling lever 31 reciprocates up and down, the height difference between the highest position point and the lowest position point of the coupling lever 31 is not significant, and the driving part of the double-acting cylinder is disposed above the coupling lever 31, which facilitates the layout of the gas pipeline and occupies little additional space, so that an independent protection area can be formed for the double-acting cylinder alone, and an independent protection area can be additionally provided for the coupling lever 31 and the shaping mechanism 50.

Example 2

With reference to fig. 5 to 7, the present embodiment is different from embodiment 1 only in that the crush receiving portion 36 of the connecting lever 31 in the present embodiment is located on the side close to the fulcrum shaft 32 between the fulcrum shaft 32 and the shaft 22. When the piston rod 21 of the double-acting cylinder moves upwards, the connecting lever 31 is driven to move clockwise by taking the fulcrum rotating shaft 32 as a supporting point, the flattening bearing part 36 rotates clockwise, the flattening bearing part 36 leaves the sliding bearing table 52, the piston rod 21 of the double-acting cylinder does not apply acting force on the automatic reset cylinder 51 through the connecting lever 31 any more, the automatic reset cylinder 51 pushes the shaping mechanism 50 to reset upwards, the shaping mechanism 50 does not perform flattening action any more, and fig. 7 illustrates a state diagram when the shaping mechanism does not perform flattening action on the welding strip.

When the piston rod 21 of the double-acting cylinder moves downwards, the connecting lever 31 is driven to move anticlockwise by taking the fulcrum rotating shaft 32 as a supporting point, the flattening bearing part 36 rotates anticlockwise, when the flattening bearing part rotates anticlockwise 36 to the sliding bearing table 52, the piston rod 21 of the double-acting cylinder applies acting force to the automatic resetting cylinder 51 through the connecting lever 31, the automatic resetting cylinder 51 pushes the automatic resetting cylinder 32 of the shaping mechanism 50 to move downwards, the bottom of the shaping mechanism 50 penetrates through the base 10 and is positioned above the welding strip channel 12 at the bottom of the base 10, and flattening action is carried out on the welding strip. Fig. 6 is a diagram illustrating a state in which the shaping mechanism performs the flattening operation on the solder ribbon.

As can be seen from the weld fillet shaping machine illustrated in embodiment 2, fig. 6, and fig. 7, compared with the prior art illustrated in fig. 1 and fig. 2, when the coupling lever 31 reciprocates up and down, the height difference between the highest position point and the lowest position point of the coupling lever 31 is not significant, and the driving part of the double-acting cylinder is disposed above the coupling lever 31, which facilitates the layout of the gas pipeline and occupies little additional space, so that an independent protection area can be formed for the double-acting cylinder alone, and an independent protection area can be additionally provided for the coupling lever 31 and the shaping mechanism 50.

Example 3

The sealed solder ribbon shaping machine illustrated in fig. 8 illustrates a sectional view of the first outer protective zone and the second outer protective zone, which is a part of the sealed solder ribbon shaping machine in embodiment 1 or embodiment 2. In the embodiment, the height of the cross section of the joint of the sliding bearing table 52 at the top of the single-acting automatic reset cylinder 51 and the cylinder is taken as a reference height, the cross section is taken as a reference plane to divide the lower protective cover 42 into a first outer protective area 421 and a second outer protective area 422, the two protective areas are completely sealed, and the upper part of the double-acting cylinder 20, the connecting lever 31 and the sliding bearing table are sealed in the first outer protective area 41; the first outer protection zone 421 and the second outer protection zone 422 are sealed by a corrugated sealing ring; the upper shield cover 43 of the first outer shield area 421 is detachable.

In this embodiment, the first outer protection zone 421 and the second outer protection zone 422 provide independent protection zones for the coupling lever 31 and the shaping mechanism 50, so that the solder strip can be prevented from being contaminated by grease, and the flux can be prevented from flowing back to contaminate the grease.

Example 4

Fig. 9 illustrates an embodiment of a lubrication bin of a sealed weld-strip shaper, which is a part of the sealed weld-strip shaper according to example 1 or example 2. 411 in the first outer protection zone, the upper portion of sliding bearing platform 52 is provided with lubricated storehouse 60, and the bottom in lubricated storehouse 60 is provided with the hole that supplies lubricating oil infiltration downwards, the hole set up in the hookup lever with the corresponding position department of sliding bearing platform contact point, the top in lubricated storehouse 60 is provided with the charge door, injects lubricating oil in the first outer protection zone 411, and the height of lubricating oil is higher than at least hookup lever 31 with the contact point of sliding bearing platform 52.

Example 5

As shown in fig. 10, the present embodiment illustrates a guide bush arrangement embodiment, which is a double acting cylinder 20 and a coupling lever 31 portion of the seal type weld fillet forming machine in embodiment 1 or embodiment 2. In this embodiment, in the movement process of the piston rod 21 in the double-acting cylinder 20, the rotating shaft 22 generates a radial force on the piston rod 21, and since the rotating shaft 22 and the piston rod 21 are connected in a clearance fit manner, the piston rod generates deflection relative to the rotating shaft under the action of the radial force, so that abrasion of the joint of the piston rod is caused, and the phenomenon of clamping stagnation and inflexibility occurs on the movement of the piston rod.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill 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; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (8)

1. A sealed solder strip trimmer structurally comprises: a base (10) allowing the solder strip to pass through and realizing flattening and shaping of the solder strip;

a shaping mechanism (50) for periodically applying a flattening acting force to the welding strip in the base;

the first driving mechanism (20) periodically provides acting force for the shaping mechanism (50) through the connecting lever (31), one end of the connecting lever (31) is connected with the first driving mechanism (20) through a rotating shaft (22), and the other end of the connecting lever is in sliding connection with the upper end face of the shaping mechanism (50);

the method is characterized in that:

the structure of the reshaping mechanism (50) comprises: a single-acting self-resetting cylinder (51); the first driving mechanism (20) is a double-acting air cylinder, and a driving part and at least a half-height piston rod (21) of the double-acting air cylinder are positioned above the connecting lever (31); the shaping means (50), the first drive means (20) and the coupling lever (31) located above the base (10) are arranged inside an outer shield (40).

2. The sealed weld fillet shaper according to claim 1, wherein: at least one guide sleeve (24) is arranged in each double-acting cylinder for limiting the axial movement of the piston rod (21).

3. A sealed weld-strip shaper according to claim 1, characterized in that an upper shield (41) is provided with reference to the outer contour of the double-acting cylinder above the coupling lever (31); and a lower protective cover (42) is arranged on the outer protection of the connecting lever (31) and the single-action automatic reset cylinder (51) by taking the highest position point of the movement of the connecting lever (31) as a reference height.

4. A sealed weld-strip shaping machine according to claim 3, characterized in that the cross-sectional height of the joint of the sliding bearing platform (52) and the cylinder at the top of the single-acting self-resetting cylinder (51) is taken as a reference height, the lower protective cover (42) is divided into a first outer protective area (421) and a second outer protective area (422) by taking the cross-sectional height as a reference plane, the two protective areas are completely sealed, and the upper part of the double-acting cylinder, the coupling lever (31) and the sliding bearing platform (52) are sealed in the first outer protective area (421).

5. The sealed weld fillet shaper according to claim 4, wherein the first outer shielding zone (421) and the second outer shielding zone (422) are sealed by a sealing ring.

6. The sealed weld shaper of claim 4, wherein the upper protection cover (43) of the first outer protection zone (421) is detachable.

7. The sealed weld fillet shaper according to claim 4, wherein the first outer shielding region (421) is filled with a lubricant at a height at least higher than a contact point of the coupling lever (31) with the sliding bearing table (52).

8. The sealed weld fillet shaper according to claim 7, wherein a lubrication chamber (35) is provided at an upper portion of the sliding bearing table (52) in the first outer protection zone, a hole for downward penetration of the lubricating oil is provided at a bottom portion of the lubrication chamber (35), the hole is provided at a position corresponding to a contact point of the coupling lever and the sliding bearing table (52), and a charging opening is provided at a top portion of the lubrication chamber.

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