Mylar membrane sweat soldering assembly

Abstract

The utility model relates to the technical field of battery production, and provides a Mylar membrane hot melting welding assembly which comprises a back plate, a sliding table, an adjusting screw and a welding module, and the sliding table is arranged on the back plate in a sliding mode; the adjusting screw is rotationally arranged on the back plate and is in threaded connection with the sliding table; the welding module is slidably arranged on the sliding table, and the sliding direction of the welding module is perpendicular to the axial direction of the adjusting screw. According to the welding device, the sliding table and the adjusting screw are arranged on the back plate, the sliding table can be driven to move through the adjusting screw, then the welding module is driven to move, the welding module can slide through the sliding table, therefore, longitudinal and transverse movement is achieved, the degree of freedom of adjustment is effectively improved, and therefore the application range is wider; and frequent remodeling is not needed during application, so that the application cost can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery production technical field especially relates to a Mylar film hot melt welding assembly. BACKGROUND

[0002] Mylar film is a kind of high molecular film based on polyester film, it has the advantages such as high strength, high heat resistance, etc., is used as the isolation layer between positive and negative in lithium battery, can also be used as the electrolyte infiltration layer of lithium battery, or as the protective layer of lithium battery, Mylar film has been widely used in lithium battery. In the preparation process of lithium battery, hot melt welding assembly is needed to weld Mylar film.

[0003] The utility model discloses a Mylar film hot melt mechanism, including the carrier plate, linear displacement mechanism, a plurality of connecting plates, a plurality of Z direction adjusting plates and a plurality of hot melt heads, wherein, the carrier plate is rectangular plate;Linear displacement mechanism is fixed on the carrier plate, and linear displacement mechanism can drive the carrier plate to move up and down;Connecting plate is fixed at the lower part of carrier plate;Z direction adjusting plate is detachably connected with connecting plate;Hot melt head is detachably connected with Z direction adjusting plate.

[0004] As in the above technical scheme, it can only adjust the hot melt head in Z direction, i.e. up and down direction, which leads to low degree of freedom of hot melt head;During welding process, the hot melt head of this structure needs to change frequently according to the welding position of Mylar film, which not only affects production efficiency, but also increases application cost. UTILITY MODEL CONTENTS

[0005] Therefore, the utility model provides a Mylar film hot melt welding assembly with simple structure and convenient hot melt head position adjustment to solve the problems of low production efficiency and high application cost of existing Mylar film welding mechanism.

[0006] The technical scheme of the utility model is realized as follows: the utility model provides a Mylar film hot melt welding assembly, which comprises a back plate, a sliding table, an adjusting screw and a welding module, wherein,

[0007] The sliding table is slidably arranged on the back plate;

[0008] The adjusting screw is rotatably arranged on the back plate and is threadedly connected with the sliding table;

[0009] The welding module is slidably arranged on the sliding table, and the sliding direction of the welding module intersects with the axial direction of the adjusting screw.

[0010] On the basis of the above technical scheme, preferably, the sliding table comprises a base, a sliding rail and a sliding seat, wherein,

[0011] The base is slidably connected with the back plate and is threadedly connected with the adjusting screw;

[0012] The slide rail is arranged on the base;

[0013] The slide base is slidably connected with the slide rail, and the welding module is connected with the slide base.

[0014] On the basis of the above technical scheme, preferably, the welding module comprises a fixing block and a hot melt head, wherein the fixing block is connected with the slide base;

[0015] The hot melt head is detachably connected with the fixing block.

[0016] On the basis of the above technical scheme, preferably, the welding module further comprises a gas cylinder and a floating joint, wherein the gas cylinder is connected with the base;

[0017] The floating joint is connected with the movable end of the gas cylinder and the fixing block.

[0018] On the basis of the above technical scheme, preferably, a clamping seat is further included, two ends of the clamping seat are connected with the back plate, and a middle section of the clamping seat is clamped with the adjusting screw.

[0019] On the basis of the above technical scheme, preferably, a scale is further included, the scale is connected with the back plate, and the scale is parallel to the adjusting screw.

[0020] On the basis of the above technical scheme, preferably, two welding modules are arranged on the back plate, each welding module comprises two slide bases, two adjusting screws and two welding modules, wherein,

[0021] In a single welding module, one adjusting screw is threadedly connected with the slide base close to the end of the back plate;

[0022] The other adjusting screw is threadedly connected with the other slide base.

[0023] On the basis of the above technical scheme, preferably, two welding modules are arranged on the back plate, each welding module comprises two slide bases, two adjusting screws and two welding modules, wherein,

[0024] In a single welding module, the adjusting screw passes through the two slide bases, the adjusting screw is threadedly connected with one of the slide bases and is slidably connected with the other slide base.

[0025] On the basis of the above technical scheme, preferably, the two welding modules are arranged in a mirror image.

[0026] On the basis of the above technical scheme, preferably, a guide screw is further included, a sliding groove is arranged on the back plate, the guide screw is threadedly connected with the slide base, and the guide screw passes through the sliding groove.

[0027] The Mylar film hot melt welding assembly has the following beneficial effects relative to the prior art: (1) by arranging the sliding table and the adjusting screw on the back plate, the adjusting screw can drive the sliding table to move, thereby driving the welding module to move, and the welding module can also slide by relying on the sliding table, so as to realize movement in the longitudinal and transverse directions, effectively improve the freedom of adjustment, and thus the application range is wider, and the application cost can be reduced without frequent reconfiguration during application;

[0028] (2) in the welding module structure, the cylinder is connected with the fixed block through the floating joint, and the fixed block is detachably connected with the hot melt head, so that the components have the advantage of convenient disassembly, which is beneficial to disassembly and maintenance and facilitates reconfiguration;

[0029] (3) in the single welding unit, a single adjusting screw is used for guiding one sliding table and thread driving another sliding table, so that multi-use is realized, and stable sliding of the sliding table and assembly stability of the adjusting screw can be ensured. BRIEF DESCRIPTION OF DRAWINGS

[0030] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0031] Figure 1 It is a perspective view of the Mylar film hot melt welding assembly of the present application.

[0032] Figure 2 It is a front view of the Mylar film hot melt welding assembly of the present application.

[0033] Figure 3 It is a side view of the Mylar film hot melt welding assembly of the present application.

[0034] Figure 4 It is an exploded view of the Mylar film hot melt welding assembly of the present application.

[0035] In the figure: 1, back plate; 101, sliding groove; 2, sliding table; 21, base; 22, sliding rail; 23, sliding seat; 3, adjusting screw; 4, welding module; 41, fixed block; 42, hot melt head; 43, cylinder; 44, floating joint; 5, clamping seat; 6, scale; 7, guide screw. DETAILED DESCRIPTION

[0036] The technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0037] As shown in Figures 1-4 The Mylar film hot melt welding assembly of the utility model, comprising backboard 1, sliding table 2, adjusting screw 3, welding module 4, clamping seat 5, scale 6 and guide screw 7.

[0038] As shown in Figure 1 And Figure 2 Sliding table 2 is slidably arranged on backboard 1; adjusting screw 3 is rotatably arranged on backboard 1 and is threadedly connected with sliding table 2; welding module 4 is slidably arranged on sliding table 2, and the sliding direction of welding module 4 intersects with the axial direction of adjusting screw 3.

[0039] As the above structure, when welding work is carried out, sliding table 2 and welding module 4 can be simultaneously moved by rotating adjusting screw 3, so that the adjustment of welding module 4 in the axial direction of adjusting screw 3 is realized.

[0040] Since welding module 4 is installed on sliding table 2, welding module 4 can also be adjusted in the direction intersecting with the axial direction of adjusting screw 3 by sliding, which expands the degree of freedom of adjusting screw 3, so that the application range of adjusting screw 3 is wider, and the application cost can be reduced without frequent retooling in application.

[0041] Preferably, the sliding direction of welding module 4 is perpendicular to the axial direction of adjusting screw 3.

[0042] In some embodiments, adjusting screw 3 can be replaced by a linear driving element such as a push rod or a cylinder.

[0043] Specifically, adjusting screw 3 can be driven by a knob or a hand wheel, or can be driven by a motor.

[0044] As shown in Figure 4 Sliding table 2 comprises base 21, sliding rail 22 and sliding seat 23, wherein base 21 is slidably connected with backboard 1 and is threadedly connected with adjusting screw 3; sliding rail 22 is arranged on base 21; sliding seat 23 is slidably connected with sliding rail 22, and welding module 4 is connected with sliding seat 23.

[0045] As the above structure, when adjusting in the direction intersecting with the axial direction of adjusting screw 3, welding module 4 slides on sliding rail 22 by means of sliding seat 23, so that the adjustment is realized.

[0046] Specifically, the welding module 4 is fixed with the sliding seat 23 through bolts, so as to facilitate subsequent disassembly and replacement. Figure 2 and Figure 4 As shown in the drawings, the welding module 4 comprises a fixing block 41 and a hot melt head 42, wherein the fixing block 41 is connected with the sliding seat 23; the hot melt head 42 is detachably connected with the fixing block 41.

[0047] As the above structure, the fixing block 41 plays a connecting role, which is used to mount the hot melt head 42 to the sliding seat 23.

[0048] The fixing block 41 is selected according to the model of the hot melt head 42, and the fixing block 41 is connected with the sliding seat 23 and the hot melt head 42 in a detachable manner, so as to facilitate subsequent disassembly and maintenance work.

[0049] As shown in the drawings, Figure 2 and Figure 4 The welding module 4 further comprises a gas cylinder 43 and a floating joint 44, wherein the gas cylinder 43 is connected with the base 21; the floating joint 44 is connected with the movable end of the gas cylinder 43 and the fixing block 41.

[0050] As the above structure, the base 21 is provided in an L-shaped plate structure, so that after the longitudinal part is connected with the adjusting screw 3, the transverse part can be mounted with the gas cylinder 43. The gas cylinder 43 is connected with the fixing block 41 through the floating joint 44, so that when the welding module 4 needs to be adjusted longitudinally, the gas cylinder 43 can be driven to displace.

[0051] The connection mode of the floating joint 44 ensures the convenience of disassembly and maintenance.

[0052] As shown in the drawings, Figures 1-4 The two ends of the clamping seat 5 are connected with the back plate 1, and the middle section of the clamping seat 5 is clamped with the adjusting screw 3.

[0053] As the above structure, the clamping seat 5 is provided in a plate structure, and the middle section is provided with an arc-shaped protrusion. After the two ends of the clamping seat 5 are connected with the back plate 1, the arc-shaped protrusion part in the middle section is clamped with the adjusting screw 3, so as to fix the adjusting screw 3.

[0054] Specifically, after the two ends of the clamping seat 5 are locked through screws, the arc-shaped protrusion in the middle section can press the adjusting screw 3, so as to limit the adjusting screw 3.

[0055] In some embodiments, the clamping seat 5 does not press the adjusting screw 3, and the adjusting screw 3 can be axially rotated relative to the clamping seat 5 and axially positioned, so as to drive the sliding table 2 to move.

[0056] As shown in the drawings, Figures 1-4 The scale 6 is connected with the back plate 1, and the scale 6 is parallel to the adjusting screw 3.

[0057] As the above structure, by installing the scale 6 on the back plate 1, it is convenient to adjust the position of the welding module 4 according to the scale, and the convenience of adjustment is improved, so as to ensure the welding precision.

[0058] As shown in Figure 1 and Figure 2 , the back plate 1 is provided with two welding units, each welding unit comprising two sliding tables 2, two adjusting screws 3 and two welding modules 4, wherein in a single welding unit, one adjusting screw 3 is threadedly connected with the sliding table 2 close to the end of the back plate 1; the other adjusting screw 3 is threadedly connected with the other sliding table 2.

[0059] As the above structure, in order to meet the multi-station welding requirement, two welding units are arranged on the back plate 1, each welding unit having two welding modules 4, so that four-station synchronous welding can be realized.

[0060] In a single welding unit, each adjusting screw 3 can be connected with one sliding table 2, so that the sliding table 2 can be adjusted individually.

[0061] In some embodiments, the back plate 1 is provided with two welding units, each welding unit comprising two sliding tables 2, two adjusting screws 3 and two welding modules 4, wherein in a single welding unit, the adjusting screw 3 passes through the two sliding tables 2, the adjusting screw 3 is threadedly connected with one of the sliding tables 2 and is slidingly matched with the other sliding table 2.

[0062] As the above structure, since the welding modules 4 are arranged side by side, in order to save space, two adjusting screws 3 are arranged side by side and pass through the two sliding tables 2, each adjusting screw 3 is threadedly connected with one sliding table 2 and is slidingly matched with the other sliding table 2.

[0063] Specifically, in a single welding unit, the sliding table 2 close to the clamping seat 5 is provided with two larger inner holes, one of which is a threaded hole, and the other sliding table 2 is provided with a smaller inner hole, one of which is a threaded hole, and the two threaded holes are not opposite.

[0064] Then the adjusting screw 3 is set as a stepped shaft, one adjusting screw 3 is provided with external threads at the large diameter section, and the other adjusting screw 3 is provided with external threads at the small diameter section, and then matched with the sliding table 2.

[0065] The arrangement of this structure can ensure the relative position stability of the adjusting screw 3 and the sliding table 2, and at the same time can make the sliding table 2 run stably.

[0066] As shown in Figure 1 , the two welding units are mirror image arranged, so that the four adjusting screws 3 of the two welding units can be arranged oppositely to ensure the convenience of adjustment operation.

[0067] As shown in Figures 2-4As shown, the back plate 1 is provided with a sliding groove 101, the guide screw 7 is connected with the sliding table 2 through thread, and the guide screw 7 passes through the sliding groove 101;

[0068] As the above structure, in order to ensure the stability of the sliding table 2, the guide screw 7 is arranged, so that the guide screw 7 passes through the sliding groove 101 and is connected with the sliding table 2, along with the movement of the sliding table 2, the guide screw 7 will slide in the sliding groove 101, thereby realizing the guidance of the sliding table 2, to ensure the stable operation of the sliding table 2; at the same time, the adjusting screw 3 can be avoided to bear stress, thereby ensuring the stability of the application.

[0069] Specific implementation steps are as follows:

[0070] In application, first, the fixing screw of the clamping seat 5 is loosened, so that the adjusting screw 3 can be freely rotated, then the adjusting screw 3 is rotated to drive the sliding table 2 and the welding module 4 to adjust the horizontal displacement;

[0071] After the welding module 4 is adjusted to the position by the adjusting screw 3, the clamping seat 5 is locked, the cylinder 43 of the welding module 4 is operated, the piston rod of the cylinder 43 drives the sliding seat 23 of the sliding table 2 to move through the floating joint 44, thereby the fixed block 41 and the hot melting head 42 can be driven to move, to realize the longitudinal adjustment;

[0072] After adjustment, the hot melting head 42 performs the welding work of the Mylar film.

[0073] The above only describes the preferred embodiment of the present application, and does not limit the present application, any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application, should be included in the protection scope of the present application.

Claims

1. A Mylar film hot melt welding assembly characterized by: Including backboard (1), sliding table (2), adjusting screw (3), welding module (4), wherein, The sliding table (2) is slidably arranged on the backboard (1); The adjusting screw (3) is rotatably arranged on the backboard (1) and is in threaded connection with the sliding table (2); The welding module (4) is slidably arranged on the sliding table (2), and the sliding direction of the welding module (4) intersects with the axial direction of the adjusting screw (3).

2. The Mylar film hot melt welding assembly of claim 1 wherein: The sliding table (2) comprises a base (21), a sliding rail (22) and a sliding seat (23), wherein, The base (21) is in sliding connection with the backboard (1) and is in threaded connection with the adjusting screw (3); The sliding rail (22) is arranged on the base (21); The sliding seat (23) is in sliding connection with the sliding rail (22), and the welding module (4) is connected with the sliding seat (23).

3. The Mylar film hot melt welding assembly of claim 2 wherein: The welding module (4) comprises a fixing block (41) and a hot melting head (42), wherein, The fixing block (41) is connected with the sliding seat (23); The hot melting head (42) is detachably connected with the fixing block (41).

4. The Mylar film hot melt welding assembly of claim 3 wherein: The welding module (4) further comprises a gas cylinder (43) and a floating joint (44), wherein, The gas cylinder (43) is connected with the base (21); The floating joint (44) is connected with the movable end of the gas cylinder (43) and the fixing block (41).

5. The Mylar film hot melt welding assembly of any one of claims 1 to 4, wherein: Further comprising a clamping seat (5), both ends of the clamping seat (5) are connected with the backboard (1), and the middle segment of the clamping seat (5) is clamped with the adjusting screw (3).

6. The Mylar film hot melt welding assembly of any one of claims 1 to 4, wherein: Further comprising a scale (6), the scale (6) is connected with the backboard (1), and the scale (6) is parallel to the adjusting screw (3).

7. The Mylar film hot melt welding assembly of any one of claims 1 to 4, wherein: Two welding units are arranged on the backboard (1), each welding unit comprises two sliding tables (2), two adjusting screws (3) and two welding modules (4), wherein, In a single welding unit, one adjusting screw (3) is in threaded connection with the sliding table (2) close to the end of the backboard (1); The other adjusting screw (3) is in threaded connection with the other sliding table (2).

8. The Mylar film hot melt welding assembly of any one of claims 1 to 4, wherein: Two welding units are arranged on the backboard (1), each welding unit comprises two sliding tables (2), two adjusting screws (3) and two welding modules (4), wherein, In a single welding unit, the adjusting screw (3) passes through two sliding tables (2), the adjusting screw (3) is in threaded connection with one of the sliding tables (2) and is in sliding fit with the other sliding table (2).

9. The Mylar film hot melt welding assembly of claim 8 wherein: The two welding units are arranged in mirror image.

10. The Mylar film hot melt welding assembly of any one of claims 1-4, wherein: Further comprising a guide screw (7), a sliding groove (101) is formed on the backboard (1), the guide screw (7) is in threaded connection with the sliding table (2), and the guide screw (7) passes through the sliding groove (101).

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