Solder strip cutting mechanism and battery piece series welding machine

Abstract

The utility model discloses a welding strip cutting mechanism and a battery piece series welding machine. The welding strip cutting mechanism comprises a supporting assembly. The power assembly and the at least two guide bearings are respectively arranged on the supporting assembly; the cutting-off assembly is movably arranged on the supporting assembly and connected with the power assembly and the at least two guide bearings, and the cutting-off assembly comprises a connecting plate mechanism which is movably arranged on the supporting assembly and is in transmission connection with the power assembly; the first cutter and the second cutter are respectively and movably arranged on the connecting plate mechanism and are respectively connected with the corresponding guide bearings; and the cover plate is fixedly arranged on the connecting plate mechanism. According to the welding strip cutting mechanism, the power assembly, the guide bearing and the two cutters are matched, so that the problem that an existing welding strip cutting mechanism cannot avoid a welding strip while cutting the welding strip is effectively solved.

Description

Technical Field

[0001] The utility model relates to the technical field of string welding machines, and in particular to a welding strip cutting mechanism and a battery cell string welding machine. Background Art

[0002] The stringer is one of the important equipment in the battery cell production process. It is used to weld multiple battery cells into a string of batteries. Before welding, the soldering tape needs to be taken out from the soldering tape feeding mechanism and cut using the soldering tape cutting mechanism. The cut soldering tape with a predetermined length is transported to the welding table of the stringer to receive welding.

[0003] In a traditional solder strip cutting mechanism, an upper cutter mechanism and a lower cutter mechanism move simultaneously or individually in a vertical direction, and the solder strip is cut by the relative movement of the upper cutter mechanism and the lower cutter mechanism; since the cutter mechanisms are fixed, it is impossible to avoid while cutting the solder strip, and other actions are required and a certain amount of time is spent on avoidance, which will affect the production efficiency to a certain extent; therefore, a solder strip cutting mechanism and a battery cell stringing machine are provided to solve the problem that the existing solder strip cutting mechanism cannot avoid while cutting the solder strip. Utility Model Content

[0004] One of the purposes of the utility model is to provide a welding strip cutting mechanism and a battery cell string welding machine, so as to solve the problem that the existing welding strip cutting mechanism cannot avoid while cutting the welding strip.

[0005] The utility model of a welding strip cutting mechanism and a battery cell string welding machine can be realized by the following technical solutions:

[0006] The utility model discloses a welding strip cutting mechanism, comprising: a supporting assembly; a power assembly, which is arranged on the supporting assembly; at least two guide bearings, which are respectively and movably arranged on the supporting assembly; a cutting assembly, which is movably arranged on the supporting assembly and is respectively connected to the power assembly and the at least two guide bearings;

[0007] Among them, the cutting assembly includes a connecting plate mechanism, which is movably arranged on the supporting assembly and is transmission-connected to the power assembly; a first cutter and a second cutter are movably arranged on the connecting plate mechanism, both of which are respectively connected to the corresponding guide bearings; and a cover plate is fixedly arranged on the connecting plate mechanism.

[0008] In one embodiment, the connecting plate mechanism includes a connecting plate body, both ends of which are movably arranged on the supporting assembly; a connecting seat fixedly arranged on the connecting plate body and transmission-connected to the power assembly; at least one guide rail fixedly arranged on the connecting plate body; and a plurality of guide seats movably arranged on at least one of the guide rails, which are respectively fixedly connected to the corresponding first cutter and second cutter.

[0009] In one embodiment, at least one guide groove is provided through each of the first cutter and the second cutter, and the guide bearing is movably disposed in the corresponding guide groove.

[0010] In one embodiment, a plurality of small cutters are disposed on the first cutter and the second cutter, the plurality of small cutters are evenly distributed and a first gap is disposed between adjacent small cutters.

[0011] In one embodiment, the support assembly includes at least one fixing seat; a support plate fixedly disposed on at least one of the fixing seats; and at least one guide member disposed on the support plate, and the connecting plate body is movably disposed on at least one of the guide members.

[0012] In one embodiment, at least one limiting member is disposed on the support plate, and the at least one limiting member performs a limiting operation on the longitudinal movement of the cutting assembly.

[0013] In one embodiment, it further includes a limiting component, which is disposed on the cutting component, and the limiting component guides and positions the cutting component when cutting a plurality of welding strips.

[0014] In one embodiment, the limiting assembly includes a limiting support plate, which is arranged on the connecting plate mechanism; and a plurality of limiting guide column groups fixedly arranged on the limiting support plate, which are arranged on the sides of the cutting parts of the first cutter and the second cutter.

[0015] In one embodiment, the power assembly adopts a telescopic cylinder.

[0016] The utility model provides a battery string welding machine, which comprises any one of the welding strip cutting mechanisms described above.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] The utility model discloses a welding strip cutting mechanism and a battery cell string welding machine, through the cooperation of a power component, a guide bearing and two cutters, the lifting and cutting power of the two cutters are concentrated on one power by using a cam follower mechanism, so that when the welding strip needs to be cut, the cutter can be lifted to a specified position, and at the same time, the power does not need to be changed in direction to realize power output on the cutter to realize welding strip cutting; after the welding strip is cut, the two cutters are separated while descending, so that the entire cutting action is reduced while completing the delivery and rapid switching of the welding strips front and back for interactive use, effectively solving the problem that the existing welding strip cutting mechanism cannot avoid while cutting the welding strip, and improving the action rhythm and production capacity of the string welding machine to a certain extent; at the same time, the welding strip cutting mechanism also has the characteristics of small structural space occupation and strong compatibility, and it is more convenient and quick to replace the welding strip to realize rapid switching of production. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 This is a structural schematic diagram of a welding strip cutting mechanism of the utility model;

[0021] Figure 2 yes Figure 1 The schematic diagram of a partial exploded structure of a welding strip cutting mechanism of the utility model shown in the figure includes a supporting assembly, a power assembly, a guide bearing, a cutting assembly and a limiting assembly;

[0022] Figure 3 yes Figure 2 A schematic diagram of the connection structure of the support assembly, the power assembly and the guide bearing shown;

[0023] Figure 4 yes Figure 2 A schematic diagram of the exploded structure of the cut-off assembly shown;

[0024] Figure 5 yes Figure 2 Schematic diagram of the exploded structure of the limit assembly shown.

[0025] Markings in the figure: 10, welding strip cutting mechanism; 11, supporting assembly; 111, fixing seat; 112, supporting plate; 1121, limiting member; 113, guiding member; 12, power assembly; 13, guide bearing; 14, cutting assembly; 141, connecting plate mechanism; 1411, connecting plate body; 1412, connecting seat; 1413, guide rail; 1414, guide seat; 142, first cutter; 1421, guide groove; 1422, small cutter; 1423, fixing hole; 1424, guide cavity; 143, second cutter; 144, cover plate; 15, limiting assembly; 151, limiting support plate; 152, limiting guide column group. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. The components of the embodiment of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0027] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] See also Figure 1 As shown, the utility model is a welding strip cutting mechanism 10 mainly includes a support assembly 11, a power assembly 12, at least two guide bearings 13, a cutting assembly 14 and a limit assembly 15; the support assembly 11 is a supporting body, which is fixedly installed on the string welding machine; the power assembly 12 and at least two guide bearings 13 are respectively arranged on the support assembly 11; the cutting assembly 14 is movably arranged on the support assembly 11 and is respectively connected with the power assembly 12 and at least two guide bearings 13, the power assembly 12 drives the cutting assembly 14 to move longitudinally, and at least two guide bearings 13 perform limit guiding operations on the cutting assembly 14 and convert its longitudinal movement into lateral movement; the limit assembly 15 is arranged on the cutting assembly 14, which performs guiding and positioning operations when the cutting assembly 14 cuts multiple welding strips. Specifically, the power assembly 12 adopts a telescopic cylinder.

[0029] See also Figure 1-Figure 3As shown, the support assembly 11 includes at least one fixed seat 111, a support plate 112 and at least one guide member 113; at least one fixed seat 111 is fixedly arranged on the string welding machine; the support plate 112 is fixedly arranged on at least one fixed seat 111, and the power assembly 12 and at least two guide bearings 13 are respectively arranged on the support plate 112; at least one guide member 113 is arranged on the support plate 112, and the cutting assembly 14 is movably arranged on at least one guide member 113, which guides the longitudinal movement of the cutting assembly 14. Specifically, at least one limiting member 1121 is arranged on the support plate 112, and at least one limiting member 1121 limits the longitudinal movement of the cutting assembly 14. In this embodiment, two fixed seats 111 are fixedly arranged below the support plate 112, two guide members 113 are respectively arranged on the support plate 112, and the two ends of the cutting assembly 14 are movably arranged on the corresponding guide members 113.

[0030] See also Figure 1 , Figure 2 and Figure 4 As shown, in this embodiment, the cutting assembly 14 includes a connecting plate mechanism 141, a first cutter 142, a second cutter 143 and a cover plate 144; the connecting plate mechanism 141 is movably arranged on the supporting assembly 11 and is transmission-connected to the power assembly 12, and the power assembly 12 drives the connecting plate mechanism 141 to move in the longitudinal direction. Specifically, the two ends of the connecting plate mechanism 141 are movably arranged on the corresponding guide members 113 respectively; the first cutter 142 and the second cutter 143 are movably arranged on the connecting plate mechanism 141 respectively and are connected to the corresponding guide bearings 13 respectively, and the two can move toward or away from each other. When the first cutter 142 and the second cutter 143 move toward each other, the two cooperate to cut the welding strip; the cover plate 144 is fixedly arranged on the connecting plate mechanism 141, and the two form a hollow cavity, and the cutting knife 142 and the second cutter 143 are respectively arranged in the cavity.

[0031] See also Figure 4As shown, the connecting plate mechanism 141 includes a connecting plate body 1411, a connecting seat 1412, at least one guide rail 1413 and a plurality of guide seats 1414; both ends of the connecting plate body 1411 are movably arranged on the corresponding guide members 113; the connecting seat 1412 is fixedly arranged on the connecting plate body 1411 and is transmission-connected to the power assembly 12, and the power assembly 12 drives the connecting plate body 1411 to move longitudinally through the connecting seat 1412; at least one guide rail 1413 is fixedly arranged on the connecting plate body 1411; a plurality of guide seats 1414 are respectively movably arranged on at least one guide rail 1413 and are respectively fixedly connected to the corresponding first cutter 142 and second cutter 143, thereby guiding the lateral movement of the first cutter 142 and the second cutter 143. In this embodiment, a guide rail 1413 is fixedly disposed on the connecting plate body 1411; four guide seats 1414 are movably disposed on the guide rail 1413, two of which are fixedly connected to the first cutter 142 by screws, and the other two guide seats 1414 are fixedly connected to the second cutter 143 by screws.

[0032] See also Figure 4 As shown, at least one guide groove 1421 is provided through the first cutter 142, and the guide bearing 13 is movably provided in the corresponding guide groove 1421. Through the cooperation of the guide bearing 13 and the guide groove 1421, the longitudinal movement of the first cutter 142 is converted into a transverse movement, so that the first cutter 142 cooperates with the second cutter 143 to cut the welding strip. Specifically, a plurality of small cutters 1422 are provided on one end of the first cutter 142, and the plurality of small cutters 1422 are evenly distributed and a first gap is provided between adjacent small cutters 1422, and the welding strip can be provided in the corresponding first gap; at least one fixing hole 1423 and at least one guide cavity 1424 are provided through the first cutter 142, and the screw is fixedly connected to the corresponding guide seat 1414 through the fixing hole 1423, so as to realize the transverse guiding operation of the first cutter 142; the guide seat 1414 fixedly connected to the second cutter 143 movably penetrates the first cutter 142 through the corresponding guide cavity 1424. Specifically, the structure of the second cutter 143 is similar to that of the first cutter 142 , so the specific structure thereof will not be described herein.

[0033] See also Figure 1 , Figure 2 and Figure 5As shown, in this embodiment, the limiting assembly 15 includes a limiting support plate 151 and a plurality of limiting guide column groups 152; the limiting support plate 151 is arranged on the connecting plate mechanism 141; the plurality of limiting guide column groups 152 are fixedly arranged on the limiting support plate 151 and are arranged on the sides of the cutting parts of the first cutter 142 and the second cutter 143; specifically, the limiting guide column group 152 includes two sub-limiting guide columns, and a second gap is arranged between the two sub-limiting guide columns, and the welding strip can be arranged in the corresponding second gap.

[0034] The utility model provides a battery string welding machine, which comprises any one of the above-mentioned welding strip cutting mechanisms 10.

[0035] It should be noted that the specific working process of a welding strip cutting mechanism and a battery cell string welding machine is as follows: when the welding strip needs to be cut, the power component 12 drives the cutting component 14 and the limiting component 15 to move upward, and at the same time, the corresponding guide bearings 13 respectively cooperate with the guide grooves 1421 on the first cutter 142 and the second cutter 143, and at the same time, through the guiding action of the guide rail 1413 and the guide seat 1414, the first cutter 142 and the second cutter 143 move toward each other, thereby cutting multiple welding strips; when avoidance is required, the power component 12 drives the cutting component 14 and the limiting component 15 to move downward, and by making the first cutter 142 and the second cutter 143 descend and move back to back at the same time, the first cutter 142 and the second cutter 143 are separated and effectively avoided at the same time.

[0036] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the 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.

[0037] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A welding strip cutting mechanism, characterized in that: include: Support components; A power assembly, which is arranged on the support assembly; At least two guide bearings, which are movably arranged on the support assembly respectively; A cutting assembly, which is movably arranged on the supporting assembly and is respectively connected to the power assembly and at least two of the guide bearings; Among them, the cutting assembly includes a connecting plate mechanism, which is movably arranged on the supporting assembly and is transmission-connected to the power assembly; a first cutter and a second cutter are movably arranged on the connecting plate mechanism, both of which are respectively connected to the corresponding guide bearings; and a cover plate is fixedly arranged on the connecting plate mechanism.

2. A welding strip cutting mechanism according to claim 1, characterized in that: The connecting plate mechanism comprises a connecting plate body, both ends of which are movably arranged on the supporting assembly; a connecting seat fixedly arranged on the connecting plate body and transmission-connected to the power assembly; At least one guide rail is fixedly arranged on the connecting plate body; and a plurality of guide seats are movably arranged on at least one of the guide rails and are respectively fixedly connected with the corresponding first cutter and the second cutter.

3. A welding strip cutting mechanism according to claim 2, characterized in that: At least one guide groove is provided through the first cutter and the second cutter, and the guide bearing is movably arranged in the corresponding guide groove.

4. A welding strip cutting mechanism according to claim 3, characterized in that: A plurality of small cutters are arranged on the first cutter and the second cutter. The plurality of small cutters are evenly distributed and a first gap is arranged between adjacent small cutters.

5. A welding strip cutting mechanism according to claim 2, characterized in that: The support assembly comprises at least one fixing seat; a support plate fixedly arranged on at least one of the fixing seats; and at least one guide member arranged on the support plate, and the connecting plate body is movably arranged on at least one of the guide members.

6. A welding strip cutting mechanism according to claim 5, characterized in that: At least one limiting member is disposed on the support plate, and the at least one limiting member performs a limiting operation on the longitudinal movement of the cutting assembly.

7. A welding strip cutting mechanism according to claim 2, characterized in that: It also includes a limiting component, which is arranged on the cutting component, and the limiting component performs a guiding and positioning operation on the cutting component when cutting a plurality of welding strips.

8. A welding strip cutting mechanism according to claim 7, characterized in that: The limiting assembly includes a limiting support plate, which is arranged on the connecting plate mechanism; and a plurality of limiting guide column groups fixedly arranged on the limiting support plate, which are arranged on the sides of the cutting parts of the first cutter and the second cutter.

9. The welding strip cutting mechanism according to claim 1, characterized in that: The power assembly adopts a telescopic cylinder.

10. A battery cell string welding machine, characterized in that: The welding strip cutting mechanism comprises the welding strip cutting mechanism according to any one of claims 1 to 9.

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