Braze strip flattening device

Abstract

The application relates to a welding strip flattening device, which comprises a pressing part and a flattening part arranged in sequence, a driving mechanism, a driven mechanism connected with the driving mechanism, a pressing mechanism and a flattening mechanism, both of which are installed on the driven mechanism, a strip pressing gap is formed between the pressing mechanism and the pressing part, a strip flattening gap is formed between the flattening mechanism and the flattening part, the strip pressing gap is located on the first feeding side of the strip flattening gap, and the flattening mechanism and the pressing mechanism are arranged in a synchronous reciprocating mode relative to the pressing part and the flattening part along a preset direction. Compared with the prior art, only one set of mechanism needs to be debugged during debugging, the debugging difficulty is reduced, the pressing mechanism and the flattening mechanism move synchronously, and the accurate control of the pressing and flattening rhythm can be realized.

Description

Technical Field

[0001] This utility model relates to the field of battery manufacturing equipment technology, and in particular to a welding strip flattening device. Background Technology

[0002] Photovoltaic cells are made by welding multiple cells together with solder strips, with the cells and solder strips arranged in an alternating vertical order. When using solder strips with circular cross-sections to weld the cells, the bending deflection and pressure on the cells during subsequent cell lamination are extremely high. Due to the thin and brittle structure of the cells, cracks and breakage are likely to occur. Therefore, to reduce the occurrence of these defects, the solder strips must be flattened before welding them to the cells.

[0003] Typically, before flattening the welding strip, a clamping mechanism is used to clamp the welding strip, and then a flattening mechanism is used to flatten it. In traditional technology, the clamping mechanism and the flattening mechanism are set up independently and driven by different drive sources. When clamping and flattening use different drive sources, it is difficult to control the timing precisely, which increases the difficulty of debugging and also increases the waiting time between the two actions, reducing the production cycle. Utility Model Content

[0004] Therefore, it is necessary to provide a welding strip flattening device that can improve the above-mentioned problems.

[0005] A welding strip flattening device, comprising:

[0006] The pressing and flattening parts are arranged in sequence;

[0007] Drive mechanism;

[0008] The driven mechanism is connected to the driving mechanism;

[0009] Both the pressing mechanism and the flattening mechanism are mounted on the driven mechanism; a pressing gap is formed between the pressing mechanism and the pressing part, and a flattening gap is formed between the flattening mechanism and the flattening part; the pressing gap is located on the first feed side of the flattening gap.

[0010] The flattening mechanism and the pressing mechanism are configured to reciprocate synchronously relative to the pressing part and the flattening part, respectively, along a preset direction.

[0011] The aforementioned welding strip flattening device integrates both the pressing and flattening mechanisms within a driven mechanism, which is connected to the driving mechanism. This allows both mechanisms to move synchronously in a preset direction via the same driving mechanism. In other words, the pressing and flattening mechanisms are integrated and driven by the same mechanism. Compared to existing technologies where the pressing and flattening mechanisms are independently configured (where different drive sources make precise timing control difficult and debugging challenging), this device only requires debugging one set of mechanisms, reducing debugging difficulty. Furthermore, the synchronous movement of the pressing and flattening mechanisms allows for precise control of the pressing and flattening rhythm. That is, while the pressing mechanism and pressing part are working together to press the welding strip, or within a very short time after pressing, the flattening mechanism can move into position to flatten the welding strip, reducing the waiting time between the pressing and flattening actions and thus improving production cycle time.

[0012] In one embodiment, the drive mechanism includes a drive assembly and an eccentric member, the eccentric member being connected to the rotation drive end of the drive assembly;

[0013] The strip flattening device further includes a base, and the driving mechanism further includes a reset member. The reset member is disposed between the driven mechanism and the base. The eccentric member is connected to the driven mechanism and is used to convert the rotational motion of the rotary driving end into linear motion of the pressing mechanism and the flattening mechanism approaching the pressing part and the flattening part respectively along the preset direction.

[0014] In one embodiment, the driven mechanism includes a rolling element and a driven assembly, the reset element is disposed between the driven assembly and the base, the rolling element is mounted on the driven assembly, and the flattening mechanism and the pressing mechanism are both connected to the driven assembly;

[0015] The rolling element has a rolling portion that rolls relative to the driven component, and the outer peripheral surface of the rolling portion is in contact with the outer peripheral surface of the eccentric component.

[0016] In one embodiment, a first elastic element is further provided between the driven mechanism and the base.

[0017] In one embodiment, the strip flattening device further includes a guiding mechanism;

[0018] The welding strip flattening device also includes a base, and the guide mechanism connects the driven mechanism and the base. The guide mechanism is used to guide the driven mechanism along the preset direction.

[0019] In one embodiment, the guiding mechanism includes a guide sleeve and a guide post. The guide sleeve is mounted on one of the base and the driven mechanism, and the guide post is mounted on the other of the base and the driven mechanism. The guide post extends along the preset direction and is movably inserted into the guide sleeve.

[0020] In one embodiment, the clamping mechanism includes a plurality of clamping head assemblies arranged side by side, with each clamping head assembly forming the clamping gap with the clamping part;

[0021] The flattening mechanism includes an integral flattening head, and the flattening head and the flattening part form the flattening belt gap. The flattening belt gap has multiple sub-gap that correspond one-to-one with the pressing belt gap.

[0022] In one embodiment, the clamping mechanism includes a mounting base, a second elastic element, and a pressure head assembly, wherein the mounting base is connected to the driven mechanism, and the second elastic element is disposed between the pressure head assembly and the mounting base;

[0023] The pressure head assembly and the pressing part form the pressure band gap.

[0024] In one embodiment, the pressure head assembly includes a guide shaft and a pressure head. The guide shaft extends along the preset direction and is movably mounted on the mounting base. The guide shaft has a mounting cavity with openings at both ends. The pressure head is sleeved on one end of the guide shaft to block one end opening of the mounting cavity.

[0025] The second elastic element is installed in the mounting cavity, with one end abutting against the pressure head and the other end abutting against the pressure block on the mounting base that extends into the guide shaft.

[0026] In one embodiment, the flattening mechanism is adjustablely mounted on the driven mechanism;

[0027] The strip flattening device also includes a fine-tuning mechanism, which is mounted on the driven mechanism and is used to adjust the position of the flattening mechanism on the driven mechanism so that the dimensions of the strip flattening gap are equal at all points.

[0028] In one embodiment, the fine-tuning mechanism includes a fine-tuning screw and an adjusting block, the fine-tuning screw being screwed to the driven mechanism, and the adjusting block being axially fixed and radially movable and sleeved on the outside of the fine-tuning screw;

[0029] The adjusting block is located between the flattening mechanism and the driven mechanism along the preset direction. The adjusting block abuts against the plane of the flattening mechanism and against the inclined surface of the driven mechanism.

[0030] In one embodiment, the strip flattening device further includes a first guiding mechanism arranged side by side with the pressing part, the first guiding mechanism being located on the side of the pressing gap away from the strip flattening gap;

[0031] and / or

[0032] The strip flattening device also includes a second guiding mechanism arranged side by side with the flattening part, the second guiding mechanism being located on the first discharge side of the strip flattening gap. Attached Figure Description

[0033] Figure 1 This is a front view of a welding strip flattening device provided in an embodiment of this application;

[0034] Figure 2 for Figure 1 Side view of the welding strip flattening device shown;

[0035] Figure 3 for Figure 1 A cross-sectional view of the welding strip flattening device shown;

[0036] Figure 4 for Figure 1 Another cross-sectional view of the welding strip flattening device shown;

[0037] Figure 5 for Figure 1 The diagram shows the structure of the clamping mechanism of the welding strip flattening device.

[0038] Figure 6 for Figure 5 A cross-sectional view of the clamping mechanism shown;

[0039] Figure 7 for Figure 1 A cross-sectional view of a partial structure of the strip flattening device shown.

[0040] Explanation of reference numerals in the attached figures:

[0041] 100. Welding strip flattening device; 10. Drive mechanism; 11. Drive assembly; 111. Drive component; 112. Transmission component; 12. Eccentric component; 13. Reset component; 20. Driven mechanism; 21. Driven assembly; 211. Connecting part; 212. Die base; 22. Rolling component; 30. Clamping mechanism; 31. Mounting base; 311. Clamping block; 312. Oil-free bushing; 32. Clamping head assembly; 321. Guide shaft; 322. Clamping head; 33. Second elastic element; 40. Flattening mechanism; 41. Flattening 50. Head; 60. Pressing part; 71. Flattening part; 72. Base; 73. First base; 74. Second base; 85. Hinge pin; 76. Bearing seat; 87. First elastic element; 98. Guide mechanism; 99. Guide sleeve; 90. Guide post; 110. Fine adjustment mechanism; 1101. Fine adjustment screw; 1102. Adjusting block; 1103. Inclined surface; 120. First guide mechanism; 1201. Rotating shaft; 130. Second guide mechanism; 140. Pressing band gap; 150. Crushing band gap; 200. Welding strip. Detailed Implementation

[0042] To make the above-mentioned objects, features, and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a full understanding of this utility model. However, this utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed below.

[0043] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0044] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0045] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0046] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0047] It should be noted that when an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. When an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0048] See Figures 1-4 This application provides a welding strip flattening device 100, including a pressing part 50 and a flattening part 60 arranged sequentially. The welding strip flattening device 100 also includes a driving mechanism 10, a driven mechanism 20, a pressing mechanism 30, and a flattening mechanism 40. The driven mechanism 20 is connected to the driving mechanism 10, and the pressing mechanism 30 and the flattening mechanism 40 are both mounted on the driven mechanism 20. A pressing gap 140 is formed between the pressing mechanism 30 and the pressing part 50, and a flattening gap 150 is formed between the flattening mechanism 40 and the flattening part 60 (see reference). Figure 4 The strip-smashing gap 150 has a first feed side and a first discharge side, and the pressing gap 140 is located on the first feed side of the strip-smashing gap 150. The welding strip 200 can pass through the pressing gap 140 and the strip-smashing gap 150 in sequence.

[0049] The flattening mechanism 40 and the pressing mechanism 30 are configured to reciprocate synchronously relative to the pressing part 50 and the flattening part 60 along a preset direction, respectively. Specifically, the preset direction is the Z-direction, which is also... Figure 3 and Figure 4 In the vertical direction.

[0050] Since the driven mechanism 20 is connected to the driving mechanism 10, the driving mechanism 10 can provide driving force to the driven mechanism 20, causing the driven mechanism 20 to drive the flattening mechanism 40 and the pressing mechanism 30 to move synchronously, so as to realize the reciprocating motion of the pressing mechanism 30 relative to the pressing part 50 in a preset direction and the reciprocating motion of the flattening mechanism 40 relative to the flattening part 60 in the same preset direction. When the pressing mechanism 30 approaches the pressing part 50 in the preset direction, the pressing mechanism 30 and the pressing part 50 cooperate to press the welding strip 200. When the flattening mechanism 40 approaches the flattening part 60 in the preset direction, the flattening mechanism 40 and the flattening part 60 cooperate to flatten the welding strip 200. When the pressing mechanism 30 moves away from the pressing part 50 in the preset direction and the flattening mechanism 40 moves away from the flattening part 60 in the preset direction, the welding strip 200 is released by the pressing mechanism 30 and the flattening mechanism 40, and the welding strip 200 can be conveyed downstream.

[0051] The welding strip flattening device 100 provided in this application embodiment, since both the pressing mechanism 30 and the flattening mechanism 40 are installed on the driven mechanism 20, and the driven mechanism 20 is connected to the driving mechanism 10, can drive the pressing mechanism 30 and the flattening mechanism 40 to move synchronously in a preset direction through the same driving mechanism 10. That is, the pressing mechanism 30 and the flattening mechanism 40 are integrated together and driven by the same driving mechanism 10, which is different from the prior art where the pressing mechanism 30 and the flattening mechanism 40 are set independently (in this way, the pressing mechanism and the flattening mechanism use different driving sources). While precise timing control is difficult and debugging is challenging, only one set of mechanisms needs to be debugged during debugging, reducing the debugging difficulty. Furthermore, the synchronous movement of the pressing mechanism 30 and the flattening mechanism 40 allows for precise control of the pressing and flattening rhythm. That is, while the pressing mechanism 30 and the pressing part 50 are working together to press the welding strip 200, or within a very short time after the welding strip 200 is pressed, the flattening mechanism 40 can move into position and work with the flattening part 60 to flatten the welding strip 200. This reduces the waiting time between the two actions of pressing and flattening, thereby improving the production cycle time.

[0052] It should be noted that in this application, the pressing mechanism 30 and the flattening mechanism 40 share the same drive mechanism 10, which, compared with the prior art, uses separate drive sources, thus achieving the effect of reducing production costs.

[0053] In some embodiments, see further reference. Figure 1The ribbon flattening device 100 also includes a base 70, on which both the clamping part 50 and the flattening part 60 are disposed. Furthermore, a drive mechanism 10 is also mounted on the base 70, and the drive mechanism 10 drives the driven mechanism 20 to move the clamping mechanism 30 and the flattening mechanism 40 relative to the base 70. By allocating the clamping part 50, the flattening part 60, and the drive mechanism 10 to the base 70, the integration of the ribbon flattening device 100 can be improved. It should be understood that in some other embodiments, the base 70 may be omitted from the ribbon flattening device 100, and this is not limited here.

[0054] Further reading Figure 2 and Figure 3 The base 70 includes a first base 71 and a second base 72. A clamping part 50 and a flattening part 60 are both disposed on the first base 71. The two ends of the second base 72 are connected to the first base 71 via hinge pins 73. A clamping mechanism 30 and a flattening mechanism 40 are located between the two ends of the second base 72. When maintenance is required on the clamping mechanism 30 and / or the flattening mechanism 40, one hinge pin 73 can be removed, allowing the second base 72 to drive the drive mechanism 10, the driven mechanism 20, the clamping mechanism 30, and the flattening mechanism 40 to rotate relative to the first base 71 around the other hinge pin 73 for easy maintenance.

[0055] In some embodiments, the drive mechanism 10 includes a drive assembly 11 and a linkage assembly, the linkage assembly connecting the drive assembly 11 and the driven mechanism 20. The drive assembly 11 drives the linkage assembly to move, thereby driving the driven mechanism 20 to reciprocate in a preset direction, and the driven mechanism 20 drives the pressing mechanism 30 and the flattening mechanism 40 mounted thereon to reciprocate in the preset direction.

[0056] In other embodiments, see further description. Figure 3 and Figure 4The drive mechanism 10 includes a drive assembly 11 and an eccentric member 12, with the eccentric member 12 connected to the rotary drive end of the drive assembly 11. The drive mechanism 10 also includes a reset member 13, located between the driven mechanism 20 and the second base 72, with the eccentric member 12 connected to the driven assembly 21. When the rotary drive end of the drive assembly 11 rotates, it can drive the eccentric member 12 to rotate. Since the working center (rotation point) of the eccentric member 12 is offset from its own geometric center, the eccentric member 12 can convert the rotational motion of the rotary drive end into linear motion of the driven mechanism 20 along a preset direction, causing the pressing mechanism 30 and the flattening mechanism 40 to move closer to the pressing part 50 and the flattening part 60, respectively. Because the reset member 13 is located between the driven mechanism 20 and the second base 72, when the eccentric member 12 returns to its original position, under the action of the reset member 13, the driven mechanism 20 drives the pressing mechanism 30 and the flattening mechanism 40 away from the pressing part 50 and the flattening part 60, respectively. Compared to the method in which the drive mechanism 10 drives the driven mechanism 20 through the linkage assembly, this embodiment can improve the motion accuracy and ensure the consistency of the flattening of the welding strip 200. It also has fewer parts, a relatively simple structure, is easy to assemble and maintain, and can reduce production and manufacturing costs.

[0057] Optionally, the eccentric component 12 can be an eccentric shaft or an eccentric wheel, or any eccentric component 12 that can convert rotational motion into linear motion. The second base 72 is provided with a bearing seat 74. When the eccentric component 12 is an eccentric shaft, the eccentric shaft is mounted on the bearing seat 74 through a bearing.

[0058] Specifically, the reset element 13 is a spring disposed between the second base 72 and the driven mechanism 20. There are multiple reset elements 13. More specifically, there are two reset elements 13, with the two reset elements 13 arranged along... Figure 3 The horizontal (X-direction) components are distributed on both sides of the second base 72. Of course, in some other embodiments, the reset member 13 can be selected from other types of elastic members, such as elastic rubber members, and the number of reset members 13 is not limited.

[0059] In some embodiments, see further reference. Figure 3 The aforementioned drive assembly 11 includes a drive component 111 and a transmission component 112. The transmission component 112 is connected to the drive component 111, and the connecting rod assembly or eccentric component 12 is connected to the transmission component 112. Specifically, the drive component 111 is a servo motor, and the transmission component 112 is a speed reducer. It is understood that in some embodiments, the drive component 111 and the transmission component 112 can be selected as needed.

[0060] In some embodiments, see further reference. Figure 3The driven mechanism 20 includes a rolling element 22 and a driven assembly 21. A reset element 13 is disposed between the driven assembly 21 and the second base 72. The rolling element 22 is mounted on the driven assembly 21. The flattening mechanism 40 and the clamping mechanism 30 are both connected to the driven assembly 21. The rolling element 22 has a rolling portion that rolls relative to the driven assembly 21, and the outer peripheral surface of the rolling portion is in contact with the outer peripheral surface of the eccentric member 12. With this configuration, the eccentric member 12 drives the driven mechanism 20 to move by applying a force to the rolling portion. Since the rolling portion can roll relative to the driven assembly 21, the friction between the eccentric member 12 and the rolling portion is rolling friction, which reduces the coefficient of friction. Compared to the case where the friction between the eccentric member 12 and the driven mechanism 20 is sliding friction, this reduces the contact wear between the eccentric member 12 and the driven mechanism 20.

[0061] Optionally, the rolling element 22 is a driven bearing mounted on the driven assembly 21, with the inner ring of the driven bearing connected to the driven assembly 21 and the outer ring of the driven bearing forming the aforementioned rolling portion.

[0062] Further reading Figure 3 and Figure 4 A first elastic element 80 is also provided between the driven mechanism 20 and the second base 72. When the flattening mechanism 40 moves into position near the flattening part 60, the first elastic element 80 can absorb the amount of movement of the flattening mechanism 40 as it continues to move closer to the flattening part 60 due to the continued rotation of the eccentric member 12, thus ensuring the flattening effect. Furthermore, the first elastic element 80 also provides a certain buffering and vibration isolation capability, reducing the impact of the flattening impact on the lifespan of the device. Optionally, the first elastic element 80 is a disc spring located between the driven mechanism 20 and the second base 72.

[0063] Optionally, please continue reading Figure 3 The driven component 21 includes a connecting part 211 and a mold base 212. The mold base 212 is connected to the connecting part 211. The reset member 13 and the first elastic member 80 are both disposed between the connecting part 211 and the second base 72. The rolling member 22 is mounted on the connecting part 211, and the pressing mechanism 30 and the flattening mechanism 40 are mounted on the mold base 212. This not only facilitates the arrangement of the reset member 13, the rolling member 22 and the first elastic member 80, but also facilitates the installation of the flattening mechanism 40 and the pressing mechanism 30.

[0064] Of course, in some other embodiments, the structure of the driven component 21 is not limited. For example, the driven component 21 may omit the mold base 212 and install both the pressing mechanism 30 and the flattening mechanism 40 on the connecting part 211.

[0065] In some embodiments, see further reference. Figure 3The welding strip flattening device 100 also includes a guide mechanism 90, which connects the connecting part 211 of the driven mechanism 20 and the second base 72. The guide mechanism 90 is used to guide the driven mechanism 20 in a preset direction. In this way, when the drive mechanism 10 drives the driven mechanism 20 to move, the driven mechanism 20 can always reciprocate in the preset direction under the guidance of the guide mechanism 90.

[0066] Optionally, the guiding mechanism 90 includes a guide sleeve 91 and a guide post 92. The guide sleeve 91 is mounted on one of the connecting portion 211 of the second base 72 and the driven mechanism 20, and the guide post 92 is mounted on the other of the connecting portion 211 of the second base 72 and the driven mechanism 20. The guide post 92 extends along a preset direction and is movably inserted into the guide sleeve 91. In this way, when the driving mechanism 10 drives the driven mechanism 20 to move, the guide post 92 can move within the guide sleeve 91 to guide the driven mechanism 20 in the preset direction.

[0067] It is conceivable that in other embodiments, the guide mechanism 90 may also adopt other configuration methods, such as the guide mechanism 90 including a slide rail and a slider that slide and cooperate with each other, one of the slide rail and the slider being connected to the connecting part 211 of the driven mechanism 20 and the other being connected to the second base 72, the slide rail and the slider cooperating to guide the driven mechanism 20.

[0068] In some embodiments, see Figure 5 and Figure 6 The clamping mechanism 30 includes a mounting base 31, a second elastic element 33, and a clamping head assembly 32. The mounting base 31 is connected to the base 70, and the second elastic element 33 is disposed between the clamping head assembly 32 and the mounting base 31. A clamping gap 140 is formed between the clamping head assembly 32 and the clamping part 50. Thus, after the clamping head assembly 32 contacts the welding strip 200 located in the clamping gap 140 and clamps the welding strip 200, as the flattening mechanism 40 continues to move closer to the flattening part 60, the second elastic element 33 can be gradually compressed. Because the second elastic element 33 has a large preload, the pressure of the clamping head assembly 32 on the welding strip 200 can be kept essentially constant. Optionally, the second elastic element 33 is a spring disposed between the mounting base 31 and the clamping head assembly 32.

[0069] Furthermore, the pressure head assembly 32 includes a guide shaft 321 and a pressure head 322. The guide shaft 321 extends along a predetermined direction and is movably mounted on the mounting base 31. The guide shaft 321 has mounting cavities with openings at both ends. Optionally, the mounting base 31 is provided with an oil-free bushing 312, and the guide shaft 312 is movably mounted within the oil-free bushing 312. The pressure head 322 is sleeved on one end of the guide shaft 321, blocking one end opening of the mounting cavity. A second elastic member 33 is installed in the mounting cavity, with one end abutting against the pressure head 322 and the other end abutting against a pressure block 311 extending into the guide shaft 321 on the mounting base 31. With this configuration, when the pressure head 322 contacts the welding strip 200, the welding strip 200 applies a force to the pressure head 322, and the guide shaft 321 moves relative to the mounting base 31 to compress the second elastic member 33, thereby ensuring that the pressure applied by the pressure head assembly 32 to the welding strip 200 is constant.

[0070] It is conceivable that in other embodiments, the pressure head assembly 32 may also adopt other structural configurations, which are not limited here.

[0071] In some embodiments, the clamping mechanism 30 includes a plurality of clamping head assemblies 32 arranged side by side, with each clamping head assembly 32 forming a clamping gap 140 with the clamping part 50. The flattening mechanism 40 includes an integral flattening head 41, with a flattening gap 150 forming between the flattening head 41 and the flattening part 60, and the flattening gap 150 having a plurality of sub-gap arrangements corresponding one-to-one with the clamping gap 140. This arrangement allows each clamping head assembly 32 to clamp one welding strip 200, and the integral flattening head 41 to flatten multiple welding strips 200 simultaneously. Compared to the arrangement where each clamping head assembly 32 corresponds to one flattening head 41, this simplifies the structural design and ensures the synchronicity of flattening multiple welding strips 200.

[0072] In some embodiments, see further reference. Figure 1 and Figure 3 The flattening mechanism 40 is adjustablely mounted on the mold base 212. The welding strip flattening device 100 also includes a fine-tuning mechanism 110, which is mounted on the mold base 212 and is used to adjust the position of the flattening mechanism 40 on the driven mechanism 20 so that the dimensions of the strip flattening gap 150 are equal at all points.

[0073] Optionally, see Figure 7 The fine-tuning mechanism 110 includes a fine-tuning screw 1101 and an adjusting block 1102. The fine-tuning screw 1101 is screwed to the mold base 212, and the adjusting block 1102 is axially fixed but radially movable and sleeved on the fine-tuning screw 1101. The adjusting block 1102 is located between the flattening mechanism 40 and the mold base 212 along a preset direction. The adjusting block 1102 abuts against the plane of the flattening mechanism 40 and against the inclined surface 1103 of the mold base 212. Thus, the fine-tuning screw 1101 is axially ( Figure 6When the adjusting block 1102 moves relative to the mold base 212 in the left-right direction, it drives the adjusting block 1102 to move axially. The adjusting block 1102 abuts against the inclined surface 1103 of the mold base 212. Under the action of the inclined surface 1103, the adjusting block 1102 moves radially ( Figure 6 The flattening mechanism 40 is moved relative to the fine-tuning screw 1101 in the vertical direction and squeezed to change the position of the flattening mechanism 40 relative to the mold base 212, thereby achieving fine-tuning of the flattening mechanism 40.

[0074] In some specific embodiments, the flattening mechanism 40 includes an integrated flattening head 41, and the welding strip flattening device 100 includes multiple fine-tuning mechanisms 110. These multiple fine-tuning mechanisms 110 adjust the position of the flattening head 41 from different locations to ensure that the dimensions of the welding strip gap 150 are equal at all points. Specifically, the welding strip flattening device 100 includes three fine-tuning mechanisms 110. Of course, in other embodiments, the number of fine-tuning mechanisms 110 is not limited and can be selected as needed.

[0075] In some embodiments, see further reference. Figure 2 and Figure 4 The welding strip flattening device 100 also includes a first guiding mechanism 120 arranged parallel to the pressing part 50. The first guiding mechanism 120 is located on the side of the pressing gap 140 away from the flattening gap 150. The first guiding mechanism 120 is used to guide the welding strip 200 to the pressing gap 140. Optionally, the first guiding mechanism 120 includes a rotating shaft 1201 mounted on the first base 71. When the rotating shaft 1201 rotates, it guides the welding strip 200 to the pressing gap 140. The arrangement of the rotating shaft 1201 ensures that other key parts will not be worn during the pulling of the welding strip 200, thus extending the service life of the device.

[0076] The welding strip flattening device 100 also includes a second guiding mechanism 130 arranged side by side with the flattening part 60. The second guiding mechanism 130 is located on the first discharge side of the welding strip gap 150. The second guiding mechanism 130 is used to guide the welding strip 200 output from the welding strip gap 150 to the outside.

[0077] The working principle of the welding strip flattening device 100 provided in a specific embodiment of this application is as follows:

[0078] Initial state:

[0079] The eccentric component 12 is eccentrically oriented vertically upwards, the rolling element 22 is located at the highest point of its stroke, and the pressing mechanism 30 and the flattening mechanism 40 are also located at the highest point of their strokes. The welding strip 200 passes through the first guide mechanism 120, sequentially through the pressing gap 140 and the flattening gap 150, and is finally led out from the second guide mechanism 130.

[0080] Smashing process:

[0081] When the drive assembly 11 is activated, the eccentric member 12 rotates under the drive of the drive assembly 11, with the eccentric direction gradually downward. The rolling member 22 is gradually pressed down by the eccentric member 12, and the pressing mechanism 30 and the flattening mechanism 40 descend synchronously. During the descent, the pressure gap 140 gradually decreases to near zero, and the welding strip 200 is pressed onto the pressing part 50 by the pressing mechanism 30. Subsequently, the flattening mechanism 40 contacts the welding strip 200 and gradually flattens the welding strip 200 to the required thickness. During the process of the flattening mechanism 40 flattening the welding strip 200 after it has been pressed by the pressing mechanism 30, the second elastic member 33 is gradually compressed. Due to the large preload of the second elastic member 33, the pressure of the pressing head 322 on the welding strip 200 remains basically unchanged. After the flattening head 41 reaches the lowest point, the eccentric member 12 continues to rotate until the eccentric direction is vertically downward. During this process, the downward pressure of the flattening head 41 is absorbed by the first elastic member 80. The eccentric component 12 continues to rotate, and the eccentric direction changes from vertically downward to vertically upward. The flattening mechanism 40 and the clamping mechanism 30 rise and gradually separate from the welding strip 200, and the flattening process is completed.

[0082] The welding strip flattening device 100 provided in the specific embodiments of this application has the following beneficial effects:

[0083] 1. The clamping mechanism 30 and the flattening mechanism 40 share the same drive mechanism 10, which enables precise control of the flattening rhythm and force of the welding strip 200, thereby reducing the waiting time between the clamping and flattening actions and improving the production cycle. At the same time, the integration of the clamping mechanism 30 and the flattening mechanism 40, compared with the method of setting two independent mechanisms, also reduces costs and debugging difficulty.

[0084] 2. The eccentric component 12, driven mechanism 20, and guide mechanism 90 constitute a classic crank-slider structure. The crank-slider structure has a small amplification ratio and maximum speed in the middle of the downward stroke, ensuring sufficient downward speed for the flattening mechanism 40 and reducing the flattening process time. At the end of the downward stroke, the amplification ratio is large, and the inertial force is downward, which not only increases the flattening force of the flattening mechanism 40 on the welding strip 200 but also improves the accuracy of the flattening motion and the control accuracy of the flattening stroke, ensuring the uniformity of the flattened thickness of the welding strip 200.

[0085] 3. The fine-tuning mechanism 110 can fine-tune the flattening mechanism 40, which can eliminate the influence of assembly error and processing error, ensure that the dimensions of the strip gap 150 are equal at all points, and thus ensure that the thickness of the welding strip 200 is consistent at all points, thereby improving the consistency of the flattening thickness of the welding strip 200.

[0086] It should be noted that the key components in this application, such as the eccentric component 12, the rolling element 22, the first elastic element 80, the guide mechanism 90, the second elastic element 33, and the oil-free bushing 312, all adopt an internal structure to avoid external pollution and corrosion, thereby extending the service life of the welding strip flattening device 100.

[0087] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0088] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A device for flattening welding strips, characterized in that, include: The pressing part (50) and the flattening part (60) are arranged in sequence; Drive mechanism (10); The driven mechanism (20) is connected to the driving mechanism (10); The pressing mechanism (30) and the flattening mechanism (40) are both mounted on the driven mechanism (20); a pressing gap (140) is formed between the pressing mechanism (30) and the pressing part (50), and a flattening gap (150) is formed between the flattening mechanism (40) and the flattening part (60); the pressing gap (140) is located on the first feeding side of the flattening gap (150). The flattening mechanism (40) and the pressing mechanism (30) are configured to reciprocate synchronously relative to the pressing part (50) and the flattening part (60) respectively along a preset direction.

2. The welding strip flattening device according to claim 1, characterized in that, The drive mechanism (10) includes a drive assembly (11) and an eccentric member (12), the eccentric member (12) being connected to the rotation drive end of the drive assembly (11); The welding strip flattening device also includes a base (70), and the driving mechanism (10) also includes a reset member (13). The reset member (13) is disposed between the driven mechanism (20) and the base (70). The eccentric member (12) is connected to the driven mechanism (20) and is used to convert the rotational motion of the rotary driving end into linear motion of the pressing mechanism (30) and the flattening mechanism (40) approaching the pressing part (50) and the flattening part (60) respectively along the preset direction.

3. The strip flattening device according to claim 2, characterized in that, The driven mechanism (20) includes a rolling element (22) and a driven assembly (21). The reset element (13) is disposed between the driven assembly (21) and the base (70). The rolling element (22) is mounted on the driven assembly (21). The flattening mechanism (40) and the pressing mechanism (30) are both connected to the driven assembly (21). The rolling element (22) has a rolling portion that rolls relative to the driven component (21), and the outer peripheral surface of the rolling portion is in contact with the outer peripheral surface of the eccentric component (12).

4. The welding strip flattening device according to claim 2, characterized in that, A first elastic element (80) is also provided between the driven mechanism (20) and the base (70).

5. The strip flattening device according to claim 1, characterized in that, The strip flattening device also includes a guiding mechanism (90); The welding strip flattening device also includes a base (70), and the guide mechanism (90) connects the driven mechanism (20) and the base (70). The guide mechanism (90) is used to guide the driven mechanism (20) along the preset direction.

6. The strip flattening device according to claim 5, characterized in that, The guiding mechanism (90) includes a guide sleeve (91) and a guide post (92). The guide sleeve (91) is installed on one of the base (70) and the driven mechanism (20), and the guide post (92) is installed on the other of the base (70) and the driven mechanism (20). The guide post (92) extends along the preset direction and is movably inserted into the guide sleeve (91).

7. The strip flattening device according to claim 1, characterized in that, The pressing mechanism (30) includes a plurality of pressing head assemblies (32) arranged side by side, and each pressing head assembly (32) forms the pressing band gap (140) with the pressing part (50); The flattening mechanism (40) includes an integral flattening head (41), and the flattening head (41) and the flattening part (60) form the flattening belt gap (150). The flattening belt gap (150) has a plurality of sub-gap corresponding one-to-one with the pressing belt gap (140).

8. The strip flattening device according to claim 1, characterized in that, The clamping mechanism (30) includes a mounting base (31), a second elastic element (33), and a pressure head assembly (32). The mounting base (31) is connected to the driven mechanism (20), and the second elastic element (33) is disposed between the pressure head assembly (32) and the mounting base (31). The pressure band gap (140) is formed between the pressure head assembly (32) and the pressure part (50).

9. The welding strip flattening device according to claim 8, characterized in that, The pressure head assembly (32) includes a guide shaft (321) and a pressure head (322). The guide shaft (321) extends along the preset direction and is movably mounted on the mounting base (31). The guide shaft (321) has a mounting cavity with openings at both ends. The pressure head (322) is sleeved on one end of the guide shaft (321) and blocks one end opening of the mounting cavity. The second elastic element (33) is installed in the mounting cavity, with one end abutting against the pressure head (322) and the other end abutting against the pressure block (311) on the mounting base (31) that extends into the guide shaft (321).

10. The strip flattening device according to claim 1, characterized in that, The flattening mechanism (40) is adjustablely mounted on the driven mechanism (20); The strip flattening device further includes a fine-tuning mechanism (110), which is mounted on the driven mechanism (20) and is used to adjust the position of the flattening mechanism (40) on the driven mechanism (20) so that the dimensions of the strip flattening gap (150) are equal at all points.

11. The welding strip flattening device according to claim 10, characterized in that, The fine-tuning mechanism (110) includes a fine-tuning screw (1101) and an adjusting block (1102). The fine-tuning screw (1101) is screwed to the driven mechanism (20), and the adjusting block (1102) is axially fixed and radially movable, sleeved outside the fine-tuning screw (1101). The adjusting block (1102) is located between the flattening mechanism (40) and the driven mechanism (20) along the preset direction. The adjusting block abuts against the plane of the flattening mechanism (40) and against the inclined surface (1103) of the driven mechanism (20).

12. The strip flattening device according to claim 1, characterized in that, The strip flattening device further includes a first guide mechanism (120) arranged side by side with the pressing part (50), the first guide mechanism (120) being located on the side of the pressing gap (140) away from the strip flattening gap (150); and / or The strip flattening device further includes a second guide mechanism (130) arranged side by side with the flattening part (60), the second guide mechanism (130) being located on the first discharge side of the strip flattening gap (150).

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