Welding strip cutting device

Abstract

The utility model belongs to the field of solar energy technology, and discloses a welding strip cutting device, which includes a first knife frame, a fixed knife piece, a movable knife piece and an elastic piece, wherein the fixed knife piece is installed on the first knife frame, the movable knife piece is slidably connected to the first knife frame along a preset direction, and is located on the side of the fixed knife piece away from the first knife frame, the elastic piece is stopped between the fixed knife piece and the first knife frame, and the elastic piece is used to apply a pre-tightening force toward the fixed knife piece so that the movable knife piece fits with the fixed knife piece. A certain pre-tightening force is always maintained between the fixed knife piece and the movable knife piece of the welding strip cutting device, so that the movable knife piece can float and fit on the fixed knife piece, avoiding the existence of a gap between the cutting knives, thereby avoiding failure of welding strip cutting and ensuring a smooth cutting surface of the welding strip.

Description

Technical Field

[0001] The utility model relates to the technical field of solar energy, in particular to a welding strip cutting device. Background Art

[0002] Solar cell welding ribbon is an important raw material in the welding process of photovoltaic modules. The cutting effect of solar cell welding ribbon will affect the working efficiency of solar cells. Therefore, the cutting process of solar cell welding ribbon is getting more and more attention. Existing welding ribbon cutting devices usually adopt the left-right cutting method. In the actual working process, the movable knife moves relative to the fixed knife and can cut multiple sections of welding ribbon at one time. However, in the existing left-right cutting structure, the movable knife will shake along its thickness direction in the actual working process. This shaking will cause the movable knife and the fixed knife to cut each other, making the cut surface of the welding ribbon irregular, which cannot meet the requirements of high-precision welding and thin-film welding. Utility Model Content

[0003] The utility model aims to provide a welding strip cutting device, which always maintains a certain pre-tightening force between the fixed knife part and the movable knife part of the welding strip cutting device, and can float the movable knife part on the fixed knife part to avoid the existence of a gap between the cutting knives, thereby avoiding failure in cutting the welding strip and ensuring that the cut surface of the welding strip is flat.

[0004] To achieve this purpose, the utility model adopts the following technical solutions:

[0005] The utility model discloses a welding strip cutting device, comprising: a first knife holder; a fixed knife piece, which is installed on the first knife holder; a movable knife piece, which is slidably connected to the first knife holder along a preset direction and is located on a side of the fixed knife piece away from the first knife holder; an elastic piece, which is stopped between the fixed knife piece and the first knife holder, and is used to apply a pre-tightening force toward the fixed knife piece so that the movable knife piece fits the fixed knife piece.

[0006] In some embodiments, the welding strip cutting device also includes a cutter limiter, the fixed cutter member is provided with a first limiter groove extending along a preset direction, the movable cutter member is provided with a second limiter groove extending along a preset direction, the cutter limiter passes through the second limiter groove and the first limiter groove and is connected to the first tool holder, and the elastic member is sleeved on the cutter limiter.

[0007] In some embodiments, the welding ribbon cutting device further includes a cutting drive component, which is disposed on the first tool holder and cooperates with the movable tool component to drive the movable tool component to slide along a preset direction relative to the fixed tool component.

[0008] In some specific embodiments, the cutting drive component includes: a cutting drive source, which is installed on the first tool holder; a drive block, which is connected to the power output shaft of the cutting drive source, and the drive block has a driving bevel, which is inclined in the direction away from the cutting drive source and toward the direction of the central axis of the power output shaft; a driving wheel, which is connected to the movable knife component and stops at the driving bevel; wherein: when the cutting drive source drives the driving block to move in the vertical direction, the driving bevel can drive the driving wheel to move in a preset direction.

[0009] In some more specific embodiments, a limiting top block is provided on the movable knife member, and a cutting limit seat is provided on the first knife holder; the welding strip cutting device also includes: a cutting depth limiting member, which is adjustably arranged on the cutting limit seat along a preset direction, and one end of the cutting depth limiting member extending out of the cutting limit seat stops at the limiting top block; and / or: a cutter reset member, one end of which is connected to the limiting top block, and the other end is connected to the cutting limit seat.

[0010] In some embodiments, a first slide rail is disposed on one of the first tool holder and the movable tool member, and a first sliding block cooperating with the first slide rail is disposed on the other of the first tool holder and the movable tool member, and the first slide rail is extended along a preset direction.

[0011] In some embodiments, the welding ribbon cutting device further includes: a second tool holder; and a lifting drive component, wherein the lifting drive component is installed on the second tool holder and is used to drive the first tool holder to rise and fall on the second tool holder.

[0012] In some specific embodiments, a limit groove is provided on the second tool holder; the welding ribbon cutting device also includes: a lifting limit seat, which is connected to the first tool holder and cooperates in the limit groove; a lifting limit member, which is adjustably arranged on the lifting limit seat along the vertical direction; wherein: when the lifting drive member drives the first tool holder to lift, one end of the lifting limit member extending out of the lifting limit seat can stop at the top wall of the limit groove.

[0013] In some specific embodiments, one of the second tool holder and the first tool holder is provided with a second slide rail, and the other is provided with a second slider matched with the second slide rail, and the second slide rail is extended in a vertical direction.

[0014] In some embodiments, the movable knife member is provided with a plurality of movable knife cutting blades arranged at intervals along a preset direction, and the fixed knife member is provided with a plurality of fixed knife cutting blades arranged at intervals along a preset direction, and the plurality of movable knife cutting blades and the plurality of fixed knife cutting blades are arranged in one-to-one correspondence; wherein: the angle between the plane where the blade of the fixed knife cutting blade is located and the preset direction is β, and the angle between the plane where the blade of the movable knife cutting blade is located and the preset direction is α; α and β respectively satisfy the relationship: 15°≤α≤60°; 60°≤β≤90°.

[0015] The welding strip cutting device of the utility model has the following beneficial effects: in the actual working process, when the movable knife moves along the preset direction under the action of external force, since the elastic member is used to apply a pre-tightening force toward the fixed knife member, the movable knife member always maintains a state of being in contact with the fixed knife member during the movement, thereby avoiding the movable knife member from shaking along its thickness direction, avoiding the phenomenon of mutual cutting between the movable knife member and the fixed knife member, and ensuring the straightness of the cut surface of the welding strip, thereby meeting the requirements of high-precision welding and thin-film welding.

[0016] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of a welding strip cutting device according to an embodiment of the utility model;

[0018] Figure 2 It is a structural schematic diagram of removing the fixed blade and the movable blade of the welding strip cutting device of the embodiment of the utility model;

[0019] Figure 3 It is an exploded schematic diagram of a fixed knife component, a movable knife component and a cutter stopper of a welding ribbon cutting device according to an embodiment of the utility model;

[0020] Figure 4 It is a schematic diagram of the structure of the fixed knife member and the movable knife member of the embodiment of the utility model;

[0021] Figure 5 It is a schematic diagram of a fixed knife cutting edge and a movable knife cutting edge according to an embodiment of the utility model.

[0022] Reference numerals:

[0023] 10. First tool rest; 11. Cutting limit seat; 12. First slide rail; 13. Second slide rail;

[0024] 20. Fixed knife member; 21. First limit slot; 22. Fixed knife cutting blade;

[0025] 30. Moving knife member; 31. Second limiting groove; 32. Limiting top block; 33. First slider; 34. Moving knife cutting blade;

[0026] 40. Elastic parts;

[0027] 50. Cutter limiter;

[0028] 60. Cutting drive member; 61. Cutting drive source; 62. Drive block; 63. Drive wheel; 64. Auxiliary wheel;

[0029] 70. Cutting depth limiter; 80. Cutter reset part;

[0030] 90, second tool rest; 91, limiting groove; 92, second slide block

[0031] 100. Lifting drive member; 200. Lifting limit seat; 300. Lifting limit member. DETAILED DESCRIPTION

[0032] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only the parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0033] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0034] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0035] In the description of this embodiment, the terms "upper", "lower", "right", etc., are based on the directions or positions shown in the drawings, and are only for the convenience of description and simplified operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0036] The utility model discloses a welding strip cutting device, referring to Figure 1 and Figure 2 As shown, the welding ribbon cutting device of this embodiment includes a first tool holder 10, a movable knife member 30, a movable knife member 30 and an elastic member 40. The fixed knife member 20 is installed on the first tool holder 10. The movable knife member 30 is slidably connected to the first tool holder 10 along a preset direction (the horizontal direction in this embodiment. Of course, in other embodiments of the utility model, the preset direction can also be determined according to the installation position of the welding ribbon cutting device), and is located on the side of the fixed knife member 20 away from the first tool holder 10. The elastic member 40 stops between the fixed knife member 20 and the first tool holder 10. The elastic member 40 is used to apply a pre-tightening force toward the fixed knife member 20 so that the movable knife member 30 fits with the fixed knife member 20. It can be understood that, in the actual working process, when the movable knife member 30 moves in the horizontal direction under the action of external force, since the elastic member 40 is used to apply a pre-tightening force toward the fixed knife member 20, a certain pre-tightening force is maintained between the movable knife member 30 and the fixed knife member 20, so that the movable knife member 30 can be floated and fitted on the fixed knife member 20, thereby avoiding the movable knife member 30 from shaking along its thickness direction (i.e., the front and rear direction of the entire welding strip cutting device), avoiding the existence of a gap between the movable knife member 30 and the fixed knife member 20, avoiding failure in cutting the welding strip, and ensuring that the cut surface of the welding strip is smooth, thereby meeting the requirements of high-precision welding and thin-film welding.

[0037] Optionally, the elastic member 40 is a spring. Of course, in other embodiments of the present invention, the elastic member 40 can also be other elastic structural members according to actual needs.

[0038] refer to Figure 2 and Figure 3As shown, the welding strip cutting device also includes a cutter stopper 50, a first stopper groove 21 extending in the horizontal direction is provided on the fixed blade 20, a second stopper groove 31 extending in the horizontal direction is provided on the movable blade 30, the cutter stopper 50 passes through the second stopper groove 31 and the first stopper groove 21 and is connected to the first blade holder 10, and the elastic member 40 is sleeved on the cutter stopper 50. It can be understood that in the actual working process, when the movable blade 30 moves under the action of external force, the cutter stopper 50 can slide in the second stopper groove 31 to limit the movement of the movable blade 30, ensuring that the movable blade 30 can only move in the horizontal direction, avoiding the skew phenomenon of the movable blade 30, thereby ensuring the straightness of the cut surface of the welding strip. At the same time, since the elastic member 40 is sleeved on the cutter limiter 50, the cutter limiter 50 can prevent the elastic member 40 from bending, ensuring that the elastic member 40 can stably apply a preload force toward the fixed knife member 20, thereby ensuring that the movable knife member 30 always maintains a fit with the fixed knife member 20 during movement.

[0039] Optionally, there are multiple cutter stoppers 50, and the multiple cutter stoppers 50 are arranged at intervals in the horizontal direction. Therefore, during the movement of the movable blade 30, the multiple cutter stoppers 50 limit the movement direction of the movable blade 30, further ensuring that the movable blade 30 can only move in the horizontal direction, thereby avoiding the movable blade 30 from being skewed. Figure 2 In the embodiment, there are three cutter stoppers 50. Of course, in other embodiments of the present invention, there can be two or more than three cutter stoppers 50.

[0040] Optionally, the cutter stopper 50 is a connecting member such as a screw or a pin, and the cutter stopper 50 can also be integrally formed with the first tool holder 10, that is, the cutter stopper 50 is formed as a stopper protrusion on the first tool holder 10. In other embodiments of the utility model, the cutter stopper 50 can be adjusted according to actual needs, as long as it can play a role in limiting the movement direction of the movable knife member 30.

[0041] refer to Figure 2 As shown, the welding ribbon cutting device further includes a cutting drive member 60, which is disposed on the first tool holder 10, and the cutting drive member 60 is in transmission cooperation with the movable blade member 30 to drive the movable blade member 30 to slide in a horizontal direction relative to the fixed blade member 20. It can be understood that automatic cutting can be achieved by providing the cutting drive member 60, without manually driving the blade member 30 to move.

[0042] Further, refer to Figure 2As shown, the cutting drive member 60 includes a cutting drive source 61, a drive block 62 and a drive wheel 63. The cutting drive source 61 is installed on the first tool holder 10, and the drive block 62 is connected to the power output shaft of the cutting drive source 61. The drive block 62 has a driving bevel, and the driving bevel is inclined in the direction away from the cutting drive source 61 and toward the direction close to the central axis of the power output shaft. The drive wheel 63 is connected to the movable blade 30, and the drive wheel 63 stops at the driving bevel. It can be understood that when the cutting drive source 61 drives the drive block 62 to move in the vertical direction, the driving bevel can drive the drive wheel 63 to move in the horizontal direction. Through the cooperation of the drive block 62 and the drive wheel 63, the vertical direction movement output by the cutting drive member 60 can be converted into the horizontal direction movement of the movable blade 30. Such a driving structure can make the structure of the cutting movable member more compact, reduce the size of the entire cutting drive member 60 in the horizontal direction, and help reduce the size of the entire welding strip cutting device in the horizontal direction, thereby reducing the floor space of the welding strip cutting device.

[0043] It should be noted that in Figure 2 The cutting drive source 61 is a cylinder. Of course, in other embodiments of the present invention, the cutting drive source 61 can also be other linear drive structures such as a hydraulic cylinder or an electric push rod.

[0044] Optional, reference Figure 2 As shown, the cutting drive member 60 further includes an auxiliary wheel 64 provided on the first tool holder 10, and the auxiliary wheel 64 abuts against the side of the driving block 62 away from the driving wheel 63. It can be understood that the additional auxiliary wheel 64 can abut against the driving block 62, so that when the cutting drive source 61 drives the driving block 62 to move, the driving block 62 can steadily drive the driving wheel 63 to move, so that the movable blade 30 can stably move in the horizontal direction.

[0045] Optional, reference Figure 2 As shown, a limit top block 32 is provided on the movable blade 30, and a cutting limit seat 11 is provided on the first tool holder 10; the strip cutting device further comprises a cutting depth limiter 70, which is adjustably arranged in the cutting limit seat 11 in the horizontal direction, and one end of the cutting depth limiter 70 extending out of the cutting limit seat 11 abuts against the limit top block 32. It can be understood that when the cutting drive 60 drives the movable blade 30 to move in the horizontal direction, when the limit top block 32 on the movable blade 30 abuts against the cutting depth limiter 70, it indicates that the movable blade 30 has reached the maximum stroke, and at this time, the cutting drive 60 will stop moving to avoid poor strip cutting caused by excessive movement of the movable blade 30. At the same time, the cutting depth limiter 70 is adjustably arranged in the cutting limiter seat 11 in the horizontal direction. In the actual working process, the horizontal movement stroke of the movable knife 30 can be adjusted according to the cutting size of the welding strip, so that the welding strip cutting device of this embodiment can meet the needs of different cutting sizes.

[0046] Further optionally, the cutting depth limiter 70 includes a stud and a nut, the stud is threadedly connected to the cutting limit seat 11, and the nut is fitted on the stud and stops at the side of the cutting limit seat 11 away from the limit top block 32. Therefore, in the actual working process, the length of the cutting depth limiter 70 extending from the limit block toward the limit top block 32 can be adjusted by rotating the nut, thereby limiting the horizontal movement stroke of the moving blade 30. Of course, in other embodiments of the utility model, the cutting depth limiter 70 can also be directly used as a bolt, a pin or other standard parts, and is not limited to the stud and nut described above.

[0047] Optional, reference Figure 2 As shown, the ribbon cutting device further includes a cutter reset member 80, one end of which is connected to the limit top block 32, and the other end is connected to the cutting limit seat 11. It can be understood that the vertical movement output by the cutting drive member 60 can be converted into the horizontal movement of the movable knife member 30 through the cooperation of the drive block 62 and the drive wheel 63. The additional cutter reset member 80 can automatically drive the movable knife member 30 to reset after the cutting is completed, so that the user does not need to manually reset the movable knife member 30, thereby improving the automation of the ribbon cutting device of this embodiment.

[0048] It should be supplemented that, in other embodiments of the present invention, the cutting drive member 60 may be a cylinder, a hydraulic cylinder, or a linear motor that directly drives the movable blade member 30 to move in the horizontal direction, or may be a lead screw nut structure driven by a rotary motor, and the nut is connected to the movable blade member 30. That is, in the embodiments of the present invention, the form of the cutting drive member 60 may be selected according to actual needs, and is not limited to the aforementioned limitation.

[0049] Optionally, the first tool holder 10 is provided with a first slide rail 12, and the movable blade 30 is provided with a first slider 33 matched with the first slide rail 12, and the first slide rail 12 is extended in the horizontal direction. It can be understood that, through the cooperation of the first slide rail 12 and the first slider 33, it can be ensured that the movable blade 30 can only move in the horizontal direction during the cutting process, avoiding the phenomenon of the movable blade 30 being skewed, thereby ensuring the straightness of the cut surface of the welding strip. In an alternative embodiment, the first tool holder 10 is provided with a first slider 33, and the movable blade 30 is provided with a first slide rail 12. Of course, in other embodiments of the utility model, a limiting groove can also be provided on the first tool holder 10, and a limiting protrusion matched with the limiting groove is provided on the movable blade 30. In the embodiment of the utility model, the limiting structure between the first tool holder 10 and the movable blade 30 can also be selected according to actual needs, and is not limited to the above description.

[0050] refer to Figure 1 and Figure 2As shown, the ribbon cutting device further includes a second tool holder 90 and a lifting drive 100, wherein the lifting drive 100 is mounted on the second tool holder 90 and is used to drive the first tool holder 10 to rise and fall on the second tool holder 90. It can be understood that in the actual working process, the first tool holder 10 can be raised and lowered, so that the ribbon cutting device can automatically move to a position corresponding to the ribbon, which is conducive to improving the degree of automation of the ribbon cutting device.

[0051] It should be noted that in Figure 2 The lifting drive member 100 is a cylinder. Of course, in other embodiments of the present invention, the lifting drive member 100 can also be other linear drive structures such as a hydraulic cylinder or an electric push rod.

[0052] Furthermore, a limiting groove 91 is provided on the second tool holder 90; the welding strip cutting device further includes a lifting limiting seat 200 and a lifting limiting member 300, the lifting limiting seat 200 is connected to the first tool holder 10 and is fitted in the limiting groove 91, and the lifting limiting member 300 is adjustable and penetrated on the lifting limiting seat 200 along the vertical direction. It can be understood that when the lifting drive member 100 drives the first tool holder 10 to rise and fall, the end of the lifting limiting member 300 extending from the lifting limiting seat 200 can stop against the top wall of the limiting groove 91. When the lifting limiting member 300 stops against the top wall of the limiting groove 91, it means that the first tool holder 10 has moved to the top position, and the lifting drive member 100 should stop driving at this time, so as to avoid the phenomenon of excessive movement of the first tool holder 10.

[0053] Further optionally, the lifting limit member 300 includes a stud and a nut, the stud is threadedly connected to the lifting limit seat 200, and the nut is fitted on the stud and stops at the side of the lifting limit seat 200 facing the bottom wall of the limiting groove 91. Therefore, in the actual working process, by rotating the nut, the length of the lifting limit member 300 extending from the lifting limit seat 200 toward the top wall of the limiting groove 91 can be adjusted, thereby limiting the vertical movement stroke of the movable knife 30. Of course, in other embodiments of the utility model, the lifting limit member 300 can also be directly used as a bolt, a pin or other standard parts, and is not limited to the stud and nut described above.

[0054] Optionally, there are two limit grooves 91, and there are also two lifting limit seats 200 and lifting limit members 300. The two limit grooves 91 are arranged on the second tool holder 90 at intervals in the horizontal direction. Thus, by limiting the vertical movement stroke of the first tool holder 10 by the two lifting limit members 300, the phenomenon of excessive movement of the first tool holder 10 can be further avoided, and the first tool holder 10 can be avoided from being skewed. Of course, in other embodiments of the utility model, the number and arrangement of the limit grooves 91, the lifting limit seats 200 and the lifting limit members 300 can be selected according to actual needs.

[0055] Optionally, the lifting and limiting seat 200 is integrally formed with the first tool holder 10. This simplifies the assembly process. Of course, in other embodiments of the present invention, the lifting and limiting seat 200 and the first tool holder 10 can also be connected by welding, connecting pieces, or other other methods.

[0056] Optional, reference Figure 2 As shown, the second tool rest 90 is provided with a second slider 92, and the first tool rest 10 is provided with a second slide rail 13, and the second slider 92 can cooperate with the second slide rail 13, and the second slide rail 13 is extended in the vertical direction. Through the cooperation of the second slide rail 13 and the second slider 92, it can be ensured that the first tool rest 10 can only move in the vertical direction during the operation, avoiding the phenomenon of the first tool rest 10 being skewed. In an alternative embodiment, the first tool rest 10 is provided with a second slider 92, and the second tool rest 90 is provided with a second slide rail 13. Of course, in other embodiments of the utility model, a limiting groove can also be provided on the second tool rest 90, and a limiting protrusion that cooperates with the limiting groove is provided on the first tool rest 10. In the embodiment of the utility model, the limiting structure between the second tool rest 90 and the first tool rest 10 can also be selected according to actual needs, and is not limited to the above description.

[0057] refer to Figure 4-Figure 5 As shown, the movable blade 30 is provided with a plurality of movable blade cutting blades 34 arranged at intervals in the horizontal direction, and the fixed blade 20 is provided with a plurality of fixed blade cutting blades 22 arranged at intervals in the horizontal direction, and the plurality of movable blade cutting blades 34 and the plurality of fixed blade cutting blades 22 are arranged one by one. Therefore, in the actual working process, the welding strip is transported between the movable blade cutting blade 34 and the fixed blade cutting blade 22, and the movable blade 30 can realize simultaneous cutting of multiple sections of welding strips during the movement process, thereby improving the cutting efficiency.

[0058] Optionally, the angle between the plane where the fixed cutting blade 22 is located and the horizontal direction is β, and the angle between the plane where the moving cutting blade 34 is located and the horizontal direction is α, 5°≤α≤60°; 60°≤β≤90°. Thus, the straightness of the cut surface of the welding strip can be ensured.

[0059] Further optionally, the angle α between the plane where the blade of the movable cutting blade 34 is located and the horizontal direction can be 5°, 10°, 15°, 20°, 25°, 30°, 35°, 40°, 45°, 50°, 55°, 60°, or other values ​​within the range of 5°-60°.

[0060] Further optionally, the angle β between the plane where the fixed cutting edge 22 is located and the horizontal direction can be 60°, 65°, 70°, 75°, 80°, 85°, 90°, or other values ​​within the range of 60°-90°.

[0061] Of course, in other embodiments of the present invention, the angle β between the plane where the fixed cutting edge 22 is located and the horizontal direction, and the angle α between the plane where the moving cutting edge 34 is located and the horizontal direction can be adjusted according to actual needs and are not limited to the above range.

[0062] The working process of the welding strip cutting device of this embodiment is described below:

[0063] In the initial state, the movable blade 30 is opened relative to the fixed blade 20 (i.e., there is a gap between the movable blade cutting edge 34 and the fixed blade cutting edge 22), and the movable blade 30 and the fixed blade 20 are both located below the welding strip;

[0064] During operation, the piston rod of the lifting drive member 100 extends, so that the movable knife member 30 and the fixed knife member 20 rise, so that the welding strip enters the cutting gap between the movable knife cutting edge 34 and the fixed knife cutting edge 22; the piston rod of the cutting drive source 61 extends, and the driving block 62 moves in the vertical direction. During the movement, the driving inclined surface can drive the driving wheel 63 to move in the horizontal direction so that the movable knife member 30 moves in the horizontal direction, so that the movable knife cutting edge 34 moves toward the direction close to the fixed knife cutting edge 22 to cut the welding strip;

[0065] After completion, after the welding strip is cut, the piston rod of the cutting drive source 61 retracts, the driving bevel on the driving block 62 disengages from the driving wheel 63, and the movable knife member 30 returns to the initial position under the action of the cutter reset member 80, and the driving wheel 63 again stops at the driving bevel of the driving block 62; then, the piston rod of the lifting drive member 100 retracts, so that the movable knife member 30 and the fixed knife member 20 return to the bottom of the welding strip and wait for the next cutting.

[0066] The advantages of the welding strip cutting device of this embodiment are as follows:

[0067] First, the elastic member 40 is used to apply a pre-tightening force toward the fixed blade member 20, so that the movable blade member 30 always keeps in contact with the fixed blade member 20 during the movement, thereby avoiding the phenomenon of mutual cutting between the movable blade member 30 and the fixed blade member 20, and ensuring the neatness of the cut surface of the welding strip;

[0068] Second: the cooperation between the cutter stopper 50 and the second stopper groove 31 and the cooperation between the first slide rail 12 and the first slider 33 can ensure that the movable cutter 30 can only move in the horizontal direction during the cutting process, thereby avoiding the movable cutter 30 from being skewed;

[0069] Third: the cutting depth limiter 70 is used to adjust the horizontal movement stroke of the movable blade 30, so that the welding strip cutting device can meet the needs of different cutting sizes;

[0070] Fourth: through the cooperation of the driving block 62 and the driving wheel 63, the vertical movement output by the cutting driving member 60 can be converted into the horizontal movement of the moving knife member 30, thereby reducing the horizontal size of the entire cutting driving member 60, which is conducive to reducing the horizontal size of the entire welding ribbon cutting device;

[0071] Fifth: the vertical movement stroke of the first tool holder 10 is limited by the lifting limiter 300 to avoid excessive movement of the first tool holder 10 .

[0072] In the description of this specification, the description with reference to the terms "some embodiments", "other embodiments", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0073] Obviously, the above embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, various obvious changes, readjustments and substitutions can be made without departing from the scope of protection of the present invention. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the scope of protection of the claims of the present invention.

Claims

1. A welding strip cutting device, characterized in that: include: A first tool holder (10); A fixed knife component (20), wherein the fixed knife component (20) is mounted on the first knife holder (10); A movable knife member (30), the movable knife member (30) being slidably connected to the first knife holder (10) along a preset direction and being located on a side of the fixed knife member (20) facing away from the first knife holder (10); An elastic member (40), the elastic member (40) being stopped between the fixed knife member (20) and the first knife holder (10), the elastic member (40) being used to apply a pre-tightening force toward the fixed knife member (20) so that the movable knife member (30) and the fixed knife member (20) are in close contact.

2. The welding strip cutting device according to claim 1, characterized in that: The welding strip cutting device further comprises a cutter stopper (50), the fixed cutter member (20) being provided with a first stopper groove (21) extending along a preset direction, the movable cutter member (30) being provided with a second stopper groove (31) extending along a preset direction, the cutter stopper (50) passing through the second stopper groove (31) and the first stopper groove (21) to be connected to the first cutter holder (10), and the elastic member (40) being sleeved on the cutter stopper (50).

3. The welding strip cutting device according to claim 1, characterized in that: The welding strip cutting device further comprises a cutting drive member (60), wherein the cutting drive member (60) is arranged on the first knife holder (10), and the cutting drive member (60) cooperates with the movable knife member (30) in transmission so as to drive the movable knife member (30) to slide along a preset direction relative to the fixed knife member (20).

4. The welding strip cutting device according to claim 3, characterized in that: The cutting drive member (60) comprises: A cutting drive source (61), the cutting drive source (61) being mounted on the first tool holder (10); A driving block (62), the driving block (62) being connected to a power output shaft of the cutting driving source (61), the driving block (62) having a driving inclined surface, the driving inclined surface being inclined in a direction away from the cutting driving source (61) and toward a direction close to a central axis of the power output shaft; A driving wheel (63), the driving wheel (63) is connected to the movable blade (30), and the driving wheel (63) stops at the driving inclined surface; wherein: when the cutting driving source (61) drives the driving block (62) to move in a vertical direction, the driving inclined surface can drive the driving wheel (63) to move in a preset direction.

5. The welding strip cutting device according to claim 4, characterized in that: The movable blade (30) is provided with a limit top block (32), and the first blade holder (10) is provided with a cutting limit seat (11); The welding strip cutting device also includes: a cutting depth limiting member (70), wherein the cutting depth limiting member (70) is adjustably arranged in the cutting limit seat (11) along a preset direction, and one end of the cutting depth limiting member (70) extending out of the cutting limit seat (11) abuts against the limit top block (32); and / or: A cutter reset component (80), one end of which is connected to the limit top block (32), and the other end of which is connected to the cutting limit seat (11).

6. The welding strip cutting device according to claim 1, characterized in that: One of the first tool holder (10) and the movable tool (30) is provided with a first slide rail (12), and the other is provided with a first sliding block (33) matched with the first slide rail (12), and the first slide rail (12) is extended along a preset direction.

7. The welding strip cutting device according to any one of claims 1 to 6, characterized in that: The welding strip cutting device also includes: A second tool rest (90); A lifting drive member (100), wherein the lifting drive member (100) is installed on the second tool holder (90) and is used to drive the first tool holder (10) to lift and lower on the second tool holder (90).

8. The welding strip cutting device according to claim 7, characterized in that: The second tool holder (90) is provided with a limiting groove (91); The welding strip cutting device also includes: A lifting limit seat (200), the lifting limit seat (200) is connected to the first tool holder (10) and is matched in the limit groove (91); A lifting and limiting member (300), wherein the lifting and limiting member (300) is adjustably arranged on the lifting and limiting seat (200) along a vertical direction; wherein: When the lifting drive member (100) drives the first tool holder (10) to lift, one end of the lifting limit member (300) extending out of the lifting limit seat (200) can stop against the top wall of the limit groove (91).

9. The welding strip cutting device according to claim 7, characterized in that: One of the second tool holder (90) and the first tool holder (10) is provided with a second slide rail (13), and the other is provided with a second sliding block (92) matched with the second slide rail (13), and the second slide rail (13) is extended in the vertical direction.

10. The welding strip cutting device according to any one of claims 1 to 6, characterized in that: The movable blade member (30) is provided with a plurality of movable blade cutting blades (34) arranged at intervals along a preset direction, and the fixed blade member (20) is provided with a plurality of fixed blade cutting blades (22) arranged at intervals along a preset direction, and the plurality of movable blade cutting blades (34) and the plurality of fixed blade cutting blades (22) are arranged in a one-to-one correspondence; wherein: the angle between the plane where the blade of the fixed blade cutting blade (22) is located and the preset direction is β, and the angle between the plane where the blade of the movable blade cutting blade (34) is located and the preset direction is α; α and β respectively satisfy the relationship: 15°≤α≤60°; 60°≤β≤90°.

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