Digital display jig for detecting hot melting depth during heat sealing of battery

Abstract

The utility model discloses a digital display jig for detecting the hot melting depth of a battery during heat sealing, which comprises a cross beam, and the two ends of the cross beam are respectively provided with a vertically arranged positioning rod; the digital display jig further comprises a digital display dial indicator arranged on the cross beam or the positioning rod, the digital display dial indicator comprises a pointer used for detection and a display screen used for displaying the length value detected by the pointer, and the pointer is vertically arranged downwards. The digital display jig for detecting the hot melting depth during heat sealing of the battery is used for judging the hot melting effect by respectively testing the hot melting depth of the battery shell and the hot melting depth of the battery cover when hot melting equipment is newly started or hot melting conditions are changed. According to the digital display jig for detecting the hot melting depth during heat sealing of the battery, rapid detection can be realized, the detection accuracy is high, the digital display visualization operability is high, the detection efficiency is improved, and the labor intensity of workers is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of lead-acid batteries, and in particular relates to a digital display fixture for detecting the hot-melt depth during heat sealing of batteries. Background Art

[0002] At present, gas (liquid) leakage of lead-acid batteries is one of the after-sales problems that is prone to occur, and there are major safety hazards such as battery explosion.

[0003] The structure of a lead-acid battery includes a battery slot and a battery cover. For lead-acid batteries used in car start-stop systems, the battery slot and the battery cover are generally connected by hot-melt welding. Poor quality of hot-melt welding can easily lead to gas or liquid leakage during subsequent use.

[0004] For example, the invention application with publication number CN116315328A discloses a battery cover with improved poor heat sealing, comprising: a battery cover body, wherein an extension portion extending outward is arranged on the top of the battery cover body, and a fixing sleeve is integrally formed at one end of the extension portion away from the battery cover body; a sealing component, wherein the sealing component comprises a heat sealing rib 1 arranged on the extension portion, and the heat sealing rib 1 is connected with the extension portion to form a heat sealing area. The heat sealing rib 1 of the present invention firstly encloses the interior of the battery cover body into a largest heat sealing area, and at the same time, the heat sealing area enclosed by the heat sealing rib 1 is further divided into a plurality of smaller sealing chambers by a sealing member, which can improve the sealing effect of the battery cover body after heat sealing, and greatly improve the heat sealing strength, reduce the probability of heat sealing leakage, and cooperate with the reinforcing component arranged in the sealing chamber to greatly reduce the deformation of the sealing component of the battery cover body during the heat sealing process, thereby further improving the heat sealing effect of the battery cover body.

[0005] Therefore, it is necessary to test the hot melt effect under the hot melt conditions used in the battery production process. A key direction for hot melt effect testing is the hot melt depth, that is, the change of the corresponding hot melt position in the battery slot and battery cover in the height direction (vertical direction) before and after hot melting.

[0006] At present, the conventional method for detecting heat sealing and hot melting depth is:

[0007] 1. Manual inspection using a vernier caliper: The inspection accuracy is low, the measurement cannot be balanced and accurate, and the test efficiency is low.

[0008] 2. Plug gauge: It is inserted into the gap between the shell cover and the shell after sealing to determine the fusion depth. The fusion depth cannot be seen intuitively, and the risk of air leakage is high. Utility Model Content

[0009] In view of the above-mentioned deficiencies in the prior art, the utility model provides a digital display fixture for detecting the hot-melt depth during heat sealing of a battery.

[0010] A digital display jig for detecting the depth of heat-melting during heat-sealing of a battery, the digital display jig being used to detect the depth of a battery shell or a battery cover after heat-melting, the digital display jig comprising a crossbeam, both ends of which are provided with vertically arranged positioning rods; the digital display jig further comprising a digital display dial gauge arranged on the crossbeam or the positioning rod, the digital display dial gauge comprising a detection pointer and a display screen for displaying the length value detected by the pointer, the pointer being arranged vertically downward;

[0011] During the inspection, the digital display fixture is first used to detect the depth of the battery shell or battery cover before hot melting, and the digital display dial indicator is positioned to zero; after hot melting, the digital display fixture is used again to detect the depth of the same position. At this time, the value displayed on the display screen is the depth change value of the battery shell or battery cover after hot melting.

[0012] Preferably, there are two positioning rods, one at each end of the crossbeam, and the bottom surface of the positioning rod is a plane.

[0013] More preferably, the crossbeam is provided with a waist-shaped mounting hole extending axially, the waist-shaped mounting hole passes through the crossbeam from top to bottom, the top surface of the positioning rod is provided with a threaded mounting hole, and the waist-shaped mounting hole is provided with a fixing bolt whose end cooperates with the threaded mounting hole and is used to install and fix the positioning rod.

[0014] Further preferably, a support block is provided on the top side of the positioning rod, the top surface of which supports the bottom surface of the cross beam.

[0015] More preferably, one of the positioning rods is provided with a fixing frame for mounting the digital dial indicator on a side close to the other positioning rod.

[0016] Further preferably, the fixing frame comprises an upper mounting rod and a lower mounting rod, the upper mounting rod and the lower mounting rod both have a vertical mounting groove, and the upper mounting rod and the lower mounting rod are provided with threaded fixing holes on the sides of the mounting groove;

[0017] The digital display dial indicator comprises an upper sleeve rod portion and a lower sleeve rod portion, wherein the upper sleeve rod portion extends into the mounting groove of the upper mounting rod, and the lower sleeve rod portion extends into the mounting groove of the lower mounting rod, and is fixed by a fixing screw passing through the threaded fixing hole.

[0018] Further preferably, the upper mounting rod and the lower mounting rod are provided with a plurality of threaded fixing holes arranged along the axial direction on the side of the mounting groove.

[0019] The digital display jig for detecting the hot melt depth during heat sealing of batteries in the present application is used to judge the effect of hot melting by respectively testing the hot melt depth of the battery shell and the battery cover when the hot melting equipment is newly started or after the hot melting conditions are changed.

[0020] The digital display fixture for detecting the hot melt depth during heat sealing of batteries in this application can realize rapid detection, and has high detection accuracy, strong digital display visualization operability, improves detection efficiency, and reduces the labor intensity of staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 The utility model is a three-dimensional structural schematic diagram of a digital display fixture for detecting the heat melting depth during heat sealing of a battery.

[0022] Figure 2 The utility model is a side view structural schematic diagram of a digital display fixture for detecting the heat melting depth during heat sealing of a battery.

[0023] Figure 3 The utility model is a schematic diagram of the top view of the digital display fixture for detecting the heat melting depth during heat sealing of batteries.

[0024] Reference numerals:

[0025] Crossbeam 1, waist-shaped mounting hole 11,

[0026] Positioning rod 2,

[0027] Digital dial indicator 3, pointer 31, display screen 32, upper sleeve rod 33, lower sleeve rod 34,

[0028] Fixing bolt 4,

[0029] Support block 5,

[0030] Fixed frame 6, upper mounting rod 61, lower mounting rod 62, mounting groove 63, threaded fixing hole 64,

[0031] Fixing screw 7. DETAILED DESCRIPTION

[0032] like Figures 1 to 3 As shown, a digital display fixture for detecting the hot melt depth during heat sealing of batteries includes a crossbeam 1, and vertically arranged positioning rods 2 are respectively provided at both ends of the crossbeam 1. There are two positioning rods 2, one at each end of the crossbeam 1, and the bottom surface of the positioning rod 2 is a plane, so that when in use, the two positioning rods 2 can be placed stably on the table for detection.

[0033] The crossbeam 1 is provided with a waist-shaped mounting hole 11 extending in the axial direction, and the waist-shaped mounting hole 11 passes through the crossbeam 11 from top to bottom. There are two waist-shaped mounting holes 11, which are respectively located at the two ends of the crossbeam 1, and each waist-shaped mounting hole 11 corresponds to a positioning rod 2 for fixed installation. The top surface of the positioning rod 2 has a threaded mounting hole, and the waist-shaped mounting hole 11 is provided with a fixing bolt 4, one end of which cooperates with the threaded mounting hole 11 and is used to install and fix the positioning rod 2. Through the design of the waist-shaped mounting hole 11, the installation position of the positioning rod 2 relative to the crossbeam 11 can be adjusted, that is, the distance between the two positioning rods 2 can be adjusted, so that it can be suitable for battery slots and battery covers of different specifications and sizes, and detect different positions.

[0034] In order to make the installation of the positioning rod 2 relative to the cross beam 1 more secure, a support block 5 is provided on the top side of the positioning rod 2, the top surface of which supports the bottom surface of the cross beam 1. The support block 5 is a triangular structure and plays a reinforcing role.

[0035] The digital display fixture of the present application also includes a digital display dial indicator 3 provided on the crossbeam 1 or the positioning rod 2. In the embodiment shown in the figure, the digital display dial indicator 3 is provided on one of the positioning rods 2. One of the positioning rods 2 is provided with a fixing frame 6 for mounting the digital display dial indicator 3 on a side close to the other positioning rod 1.

[0036] The digital display dial gauge 3 comprises a pointer 31 for detection and a display screen 32 for displaying the length value detected by the pointer 31 , and the pointer 31 is arranged vertically downward.

[0037] The fixing frame 6 includes an upper mounting rod 61 and a lower mounting rod 62, each of which has a vertical mounting groove 63, and a threaded fixing hole 64 is provided on the side of the mounting groove 63 of the upper mounting rod 61 and the lower mounting rod 62. The digital dial gauge 3 includes an upper sleeve rod portion 33 and a lower sleeve rod portion 34, the upper sleeve rod portion 33 extends into the mounting groove of the upper mounting rod 61, and the lower sleeve rod portion 34 extends into the mounting groove of the lower mounting rod 62, and is fixed by a fixing screw 7 passing through the threaded fixing hole 64.

[0038] The mounting groove 63 is a waist-shaped hole arranged in the horizontal direction. The upper mounting rod 61 and the lower mounting rod 62 are provided with a plurality of threaded fixing holes 7 arranged in the axial direction on the side of the mounting groove 63. Thus, the mounting position of the digital dial indicator 3 can be adjusted.

[0039] The digital display jig for detecting the hot melt depth during heat sealing of batteries in the present application is used to judge the effect of hot melting by respectively testing the hot melt depth of the battery shell and the battery cover when the hot melting equipment is newly started or after the hot melting conditions are changed.

[0040] During the inspection, first use the digital display fixture of the present application to detect the depth of the battery shell or battery cover before hot melting, and reset the digital display dial indicator 3 to zero; after hot melting, use the digital display fixture of the present application again to detect the depth of the same position. At this time, the value displayed on the display screen 32 is the depth change value of the battery shell or battery cover after hot melting.

Claims

1. A digital display fixture for detecting the depth of heat-melting during heat sealing of a battery, wherein the digital display fixture is used to detect the depth of heat-melting of a battery shell or a battery cover, and is characterized in that: The digital display fixture comprises a crossbeam, and two ends of the crossbeam are respectively provided with vertically arranged positioning rods; the digital display fixture also comprises a digital display dial indicator arranged on the crossbeam or the positioning rod, and the digital display dial indicator comprises a pointer for detection and a display screen for displaying the length value detected by the pointer, and the pointer is arranged vertically downward; During the inspection, the digital display fixture is first used to detect the depth of the battery shell or battery cover before hot melting, and the digital display dial indicator is positioned to zero; after hot melting, the digital display fixture is used again to detect the depth of the same position. At this time, the value displayed on the display screen is the depth change value of the battery shell or battery cover after hot melting.

2. According to claim 1, the digital display fixture for detecting the hot melt depth during heat sealing of batteries is characterized in that: There are two positioning rods, one at each end of the crossbeam, and the bottom surface of the positioning rod is a plane.

3. According to claim 2, the digital display jig for detecting the hot melt depth during heat sealing of batteries is characterized in that: The crossbeam is provided with a waist-shaped mounting hole extending axially, and the waist-shaped mounting hole passes through the crossbeam from top to bottom. The top surface of the positioning rod has a threaded mounting hole, and the waist-shaped mounting hole is provided with a fixing bolt whose one end cooperates with the threaded mounting hole and is used to install and fix the positioning rod.

4. The digital display jig for detecting the hot melt depth during heat sealing of a battery according to claim 3, characterized in that: A support block is provided on the top side of the positioning rod, the top surface of which supports the bottom surface of the cross beam.

5. According to claim 2, the digital display jig for detecting the hot melt depth during heat sealing of batteries is characterized in that: One of the positioning rods is provided with a fixing frame for installing the digital display dial indicator on a side close to the other positioning rod.

6. The digital display jig for detecting the heat-melting depth of a battery during heat sealing according to claim 5, characterized in that: The fixing frame comprises an upper mounting rod and a lower mounting rod, each of the upper mounting rod and the lower mounting rod has a vertical mounting groove, and the upper mounting rod and the lower mounting rod are provided with threaded fixing holes on the sides of the mounting groove; The digital display dial indicator comprises an upper sleeve rod portion and a lower sleeve rod portion, wherein the upper sleeve rod portion extends into the mounting groove of the upper mounting rod, and the lower sleeve rod portion extends into the mounting groove of the lower mounting rod, and is fixed by a fixing screw passing through the threaded fixing hole.

7. The digital display jig for detecting the hot melt depth during heat sealing of batteries according to claim 6, characterized in that: The upper mounting rod and the lower mounting rod are provided with a plurality of threaded fixing holes arranged along the axial direction on the side of the mounting groove.

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