Sealing ring pressing device

Abstract

The utility model provides a sealing ring pressing and covering device which comprises a plurality of composite tools, the composite tools do not interfere with one another, universal wheels used for moving are installed on a support, each composite tool comprises a rack, a vertical displacement module, a transverse displacement module, a pressing and covering plate and a tool platen, the rack is fixedly installed on the support, and the vertical displacement module and the transverse displacement module are fixedly installed on the tool platen. A vertical displacement module and a transverse displacement module are installed on the rack, a pressing plate is installed at the movable end of the vertical displacement module, a tool table plate is installed at the movable end of the transverse displacement module, the vertical displacement module is used for driving the pressing plate to be close to or away from the tool table plate, and a product to be pressed is arranged on the tool table plate. The transverse displacement module is used for driving the products on the tool table plate to be away from or located below the pressing and covering plate. According to the sealing ring pressing and covering device, a worker only needs to place the sealing ring into a rubber ring groove, the sealing ring is sucked up by equipment, and then the sealing ring is automatically pressed and mounted on a bipolar plate, so that the position precision is high, and the production efficiency is greatly improved.

Description

Technical Field

[0001] The utility model belongs to the field of graphite bipolar plate production equipment, in particular to a sealing ring pressing device. Background Art

[0002] The hydrogen fuel cell stack is mainly composed of bipolar plates, membrane electrode assemblies, sealing gaskets, heat dissipation plates, collectors, insulating plates, end caps and other parts. The graphite bipolar plates play the role of separating oxidants and reductants, collecting current, and gas reaction sites. Bipolar plates are mainly divided into three categories: metal bipolar plates, composite bipolar plates, and graphite bipolar plates. At present, the domestic stack is mainly used with graphite bipolar plates. Graphite bipolar plates are stacked layer by layer with multiple gaskets, and then the sealing rings are placed on the gaskets in pairs. During production, the plate gaskets are bonded to the sealing rings. The sealing ring placement grooves of the prior art plates are coated with glue, and they cannot be put in place at one time during manual placement and assembly, resulting in misplaced placement of the rubber rings, which damages the rubber rings and affects the production progress. Utility Model Content

[0003] In view of this, the utility model aims to propose a sealing ring pressing device to solve the problem that the plate gasket and the sealing ring in the prior art cannot be put in place at one time, resulting in low assembly quality and low efficiency.

[0004] In order to achieve the above object, the technical solution of the utility model is implemented as follows:

[0005] A sealing ring pressing device includes a plurality of composite toolings arranged on a bracket, and the plurality of composite toolings do not interfere with each other. A universal wheel for movement is installed on the bracket. The composite tooling includes a stand, a vertical displacement module, a lateral displacement module, a pressing plate and a tooling table. The stand is fixedly installed on the bracket, and the vertical displacement module and the lateral displacement module are respectively installed on the stand. The pressing plate is installed at the movable end of the vertical displacement module, and the tooling table is installed at the movable end of the lateral displacement module. The vertical displacement module is used to drive the pressing plate to approach or move away from the tooling table. A product to be pressed is arranged on the tooling table, and the lateral displacement module is used to drive the product on the tooling table to move away from or be located below the pressing plate.

[0006] Furthermore, a rubber ring tooling and a gasket tooling are arranged on the tooling table, and the rubber ring tooling and the gasket tooling are arranged parallel to each other. The rubber ring tooling is provided with a groove adapted to the outer contour of the sealing ring to be assembled, and the gasket tooling is provided with a positioning column for locating the relative position of the gasket to be assembled. The lateral displacement module is used to transfer the gasket tooling or the rubber ring tooling to the bottom of the pressure plate.

[0007] Furthermore, through holes are evenly distributed on the pressure plate, a vacuum assembly is arranged in the bracket, the input end of the vacuum assembly is connected to the through hole, the vacuum assembly sucks air through the through hole, and the pressure plate that sucks air is used to adsorb the sealing ring to be assembled in the rubber ring tooling.

[0008] Furthermore, the lateral displacement module includes a rodless cylinder, a slide rail and a slider. The rodless cylinder is fixedly mounted on the workbench, the movable end of the rodless cylinder is mounted to the lower end of the tooling table, and a slider is arranged at the lower end of the tooling table. The slide rail is installed on the workbench, and the outer periphery of the slide rail is slidably connected to the lower end of the slider.

[0009] Furthermore, the vertical displacement module includes a cylinder, and the cylinder is installed on the stand, and a pressure plate is installed on the movable end of the cylinder.

[0010] Furthermore, a guide shaft is installed on the stand, the pressure plate is connected to the guide plate, a sliding hole is provided on the guide plate, and the outer periphery of the guide shaft is slidably connected to the sliding hole.

[0011] Furthermore, an expansion plate is installed on the pressing plate or the guide plate, one end of the expansion plate is elastically connected to the pressing plate or the guide plate through a spring, and the expansion plate is located below the pressing plate when the spring is in a natural state.

[0012] Compared with the prior art, the sealing ring pressing device described in the utility model has the following beneficial effects:

[0013] (1) The sealing ring pressing device described in the utility model only requires a person to place the sealing ring into the rubber ring groove, and the device will suck up the sealing ring and then automatically press it onto the bipolar plate. This not only has high positioning accuracy, but also greatly improves production efficiency.

[0014] (2) The sealing ring pressing device described in the utility model can absorb the sealing ring to be assembled in the rubber ring tooling by the air-suction pressing plate, and flatten and position the sealing ring by sucking the sealing ring as a whole, so as to prevent the sealing ring from shifting or wrinkling during assembly, thereby improving the assembly quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the accompanying drawings:

[0016] Figure 1 This is a schematic diagram of the structure of the sealing ring pressing device according to an embodiment of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the composite tooling according to an embodiment of the utility model;

[0018] Figure 3 This is a schematic structural diagram of the lateral displacement module according to an embodiment of the utility model;

[0019] Figure 4 This is a schematic structural diagram of the vertical displacement module according to an embodiment of the utility model;

[0020] Figure 5 It is a structural schematic diagram of the tooling table described in an embodiment of the utility model.

[0021] Description of reference numerals:

[0022] 1- bracket; 2- composite tooling; 21- stand; 22- vertical displacement module; 221- cylinder; 222- guide shaft; 223- guide plate; 224- expansion plate; 225- spring; 23- lateral displacement module; 231- slide rail; 232- slider; 233- rodless cylinder; 24- pressure plate; 25- tooling table; 26- rubber ring tooling; 27- positioning column; 3- vacuum assembly; 4- universal wheel. DETAILED DESCRIPTION

[0023] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0024] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" 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 it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0026] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0027] like Figure 1-Figure 5As shown, the sealing ring pressing device includes a plurality of composite toolings 2 arranged on a bracket 1, and the plurality of composite toolings 2 do not interfere with each other. The bracket 1 is provided with a universal wheel 4 for movement. The composite tooling 2 includes a stand 21, a vertical displacement module 22, a lateral displacement module 23, a pressing plate 24 and a tooling stand 25. The stand 21 is fixedly mounted on the bracket 1, and the vertical displacement module 22 and the lateral displacement module 23 are respectively mounted on the stand 21. The movable end of the vertical displacement module 22 is provided with a pressing plate 24. The cover plate 24 and the movable end of the lateral displacement module 23 are installed with the tooling table 25, and the vertical displacement module 22 is used to drive the pressing plate 24 to approach or move away from the tooling table 25. The tooling table 25 is provided with the product to be pressed, and the lateral displacement module 23 is used to drive the product on the tooling table 25 to move away from or be located under the pressing plate 24. The pad or rubber ring to be assembled is transported through the lateral displacement module 23, and then the product is pressed through the pressing plate 24, with high positioning accuracy, high efficiency and controllable quality.

[0028] like Figure 5 As shown, a rubber ring tooling 26 and a gasket tooling are arranged on the tooling plate 25, and the rubber ring tooling 26 and the gasket tooling are arranged parallel to each other. The rubber ring tooling 26 is provided with a groove adapted to the outer contour of the sealing ring to be assembled, and a positioning column 27 for locating the relative position of the gasket to be assembled is provided on the gasket tooling. The lateral displacement module 23 is used to transfer the gasket tooling or the rubber ring tooling 26 to the bottom of the pressure covering plate 24.

[0029] Through holes are evenly distributed on the pressing plate 24, and a vacuum assembly 3 is arranged in the bracket 1. The input end of the vacuum assembly 3 is connected to the through hole. The vacuum assembly 3 is a prior art. The vacuum assembly 3 sucks air through the through hole. The sucked pressing plate 24 is used to adsorb the sealing ring to be assembled in the rubber ring tooling 26. The sealing ring is flattened and positioned by adsorbing the sealing ring as a whole to prevent the sealing ring from shifting or wrinkling during assembly, thereby improving the assembly quality.

[0030] The lateral displacement module 23 includes a rodless cylinder 233, a slide rail 231 and a slider 232. The rodless cylinder 233 is fixedly installed on the stand 21. The movable end of the rodless cylinder 233 is installed on the lower end of the tooling table 25, and a slider 232 is arranged at the lower end of the tooling table 25. The slide rail 231 is installed on the stand 21. The outer periphery of the slide rail 231 is slidably connected to the lower end of the slider 232. The lateral displacement module 23 is used to drive the product on the tooling table 25 away from or under the pressing plate 24. The pad or rubber ring to be assembled is transported through the lateral displacement module 23, and then the product is pressed together through the pressing plate 24. The positioning accuracy is high, the efficiency is high, and the quality is controllable.

[0031] The vertical displacement module 22 includes a cylinder 221, and the cylinder 221 is a push rod cylinder in the prior art, and the cylinder 221 is installed on the stand 21, and the movable end of the cylinder 221 is installed with a pressure plate 24, and a guide shaft 222 is installed on the stand 21. The pressure plate 24 is connected to the guide plate 223, and a sliding hole is provided on the guide plate 223. The outer periphery of the guide shaft 222 is slidably connected to the sliding hole. The guide shaft 222 is used to limit the trajectory of the axial displacement of the pressure plate 24 to prevent the pressure plate 24 from causing the sealing ring to deflect, so as to improve the positioning accuracy.

[0032] An expansion plate 224 is installed on the compression plate 24 or the guide plate 223. One end of the expansion plate 224 is elastically connected to the compression plate 24 or the guide plate 223 through a spring 225. The expansion plate 224 is located below the compression plate 24 when the spring 225 is in a natural state. The expansion plate 224 is used to pre-flatten the gasket of the sealing ring to be assembled to prevent the gasket from warping or bulging.

[0033] Working process of sealing ring pressing device:

[0034] The staff stacks the sealing ring to be assembled into the groove of the rubber ring tooling 26. At this time, the gasket tooling is located under the pressing plate 24. The rodless cylinder 233 drives the tooling table 25 to slide, so that the rubber ring tooling 26 is located under the pressing plate 24. Then, the pressing plate 24 is driven downward by the vertical displacement module 22, and the sealing ring to be assembled is adsorbed by the vacuum assembly 3. When the pressing plate 24 adsorbs the sealing ring and the vertical displacement module 22 drives the pressing plate 24 to move upward, the staff The staff positions the gasket to be assembled on the gasket fixture through the positioning column 27, and then transfers the gasket fixture to the bottom of the pressing plate 24 through the rodless cylinder 233. The vertical displacement module 22 drives the pressing plate 24 to move downward. Before the pressing plate 24 contacts the gasket, the spreading plate 224 pre-flattens the gasket first, and does not interfere with the downward movement of the pressing plate 24 by means of the compression spring 225. The spreading plate 224 is arranged in the hollow of the sealing ring, and does not interfere with the pressing plate 24 adsorbing the sealing ring.

[0035] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. The sealing ring pressing device is characterized by: The invention comprises a plurality of composite toolings (2) arranged on a support (1), wherein the plurality of composite toolings (2) do not interfere with each other, a universal wheel (4) for movement is installed on the support (1), each composite tooling (2) comprises a stand (21), a vertical displacement module (22), a lateral displacement module (23), a pressing plate (24) and a tooling stand (25), the stand (21) is fixedly installed on the support (1), and the vertical displacement modules (22) are respectively installed on the stand (21). ) and a lateral displacement module (23), a pressing plate (24) is installed at the movable end of the vertical displacement module (22), a tooling table (25) is installed at the movable end of the lateral displacement module (23), the vertical displacement module (22) is used to drive the pressing plate (24) to approach or move away from the tooling table (25), a product to be pressed is arranged on the tooling table (25), and the lateral displacement module (23) is used to drive the product on the tooling table (25) to move away from or be located below the pressing plate (24).

2. The sealing ring pressing device according to claim 1, characterized in that: A rubber ring tool (26) and a gasket tool are arranged on the tooling table (25), and the rubber ring tool (26) and the gasket tool are arranged parallel to each other. The rubber ring tool (26) is provided with a groove adapted to the outer contour of the sealing ring to be assembled. The gasket tool is provided with a positioning column (27) for locating the relative position of the gasket to be assembled. The lateral displacement module (23) is used to transfer the gasket tool or the rubber ring tool (26) to the bottom of the pressure plate (24).

3. The sealing ring pressing device according to claim 1, characterized in that: Through holes are evenly distributed on the pressing plate (24), a vacuum pumping assembly (3) is arranged in the bracket (1), an input end of the vacuum pumping assembly (3) is connected to the through hole, the vacuum pumping assembly (3) sucks air through the through hole, and the suctioned pressing plate (24) is used to absorb the sealing ring to be assembled in the rubber ring tooling (26).

4. The sealing ring pressing device according to claim 1, characterized in that: The lateral displacement module (23) comprises a rodless cylinder (233), a slide rail (231) and a slider (232); the rodless cylinder (233) is fixedly mounted on the platform (21); the movable end of the rodless cylinder (233) is mounted on the lower end of the tooling table (25); the slider (232) is arranged at the lower end of the tooling table (25); the slide rail (231) is mounted on the platform (21); and the outer periphery of the slide rail (231) is slidably connected to the lower end of the slider (232).

5. The sealing ring pressing device according to claim 1, characterized in that: The vertical displacement module (22) comprises a cylinder (221), and the cylinder (221) is mounted on the platform (21), and a pressure plate (24) is mounted on the movable end of the cylinder (221).

6. The sealing ring pressing device according to claim 5, characterized in that: A guide shaft (222) is installed on the stand (21), the pressing plate (24) is connected to the guide plate (223), a sliding hole is provided on the guide plate (223), and the outer periphery of the guide shaft (222) is slidably connected to the sliding hole.

7. The sealing ring pressing device according to claim 6, characterized in that: An expansion plate (224) is installed on the pressure plate (24) or the guide plate (223), one end of the expansion plate (224) is elastically connected to the pressure plate (24) or the guide plate (223) through a spring (225), and the expansion plate (224) is located below the pressure plate (24) when the spring (225) is in a natural state.

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