Automobile injection molding part offset printing mechanism

Abstract

The utility model relates to the technical field of injection molding part offset printing, and particularly discloses an automobile injection molding part offset printing mechanism. Comprising a mounting box internally provided with a controller, a connecting plate detachably connected to the top of the mounting box, and a bottom mold mounted on the connecting plate and used for preventing misloading and upside-down loading; the top mold is used in cooperation with the bottom mold and used for fixing a product, and the lifting assembly is arranged on the mounting box and can apply driving force to the top mold. Double contact switches are arranged on the bottom mold and the top mold, the double contact switches are electrically connected with the controller, the controller is electrically connected with the lifting assembly, and the problem that a traditional glue layer mark leaving type offset printing device is not wide in application range is solved.

Description

Technical Field

[0001] This application relates to the field of offset printing technology for injection molded parts, and specifically discloses an offset printing mechanism for automotive injection molded parts. Background Technology

[0002] Offset printing is a type of planar printing. Simply put, offset printing is a printing method that uses a rubber blanket to transfer the image from the printing plate to the substrate. Offset printing involves multiple printing operations of single or multiple colors. This means that during printing, different colors of images on the printing plate are accurately superimposed on the same printed material, ensuring that the dots of each color are not distorted, the image is not misaligned, and the colors are vibrant and have a three-dimensional effect. Offset printing requires extremely high registration accuracy, and the printed adhesive layer needs to be dried before the next printing is overprinted.

[0003] The same principle applies to automotive injection molded parts. After the automotive injection molded parts are manufactured, a printing mechanism is needed to print the special steel stamp or pattern on the automotive injection molded parts.

[0004] Generally speaking: the product is fixed in the mold, and then the offset printing mechanism is started, so that the printing components in the offset printing mechanism move toward the product, thereby realizing the offset printing of the product;

[0005] Currently, our company has a specific product. Traditional offset printing leaves a mark on the product by applying an adhesive layer, but this product leaves a steel stamp, a mark left on the product after being pressed by a hard object. Therefore, based on this product, a specific mold has been developed. In view of this, this utility model provides an offset printing mechanism for automotive injection molded parts in order to solve the above problems. Utility Model Content

[0006] The purpose of this invention is to solve the problem that traditional adhesive layer-based offset printing devices are not widely applicable.

[0007] To achieve the above objectives, this utility model provides the following basic solution:

[0008] An automotive injection molding part offset printing mechanism includes a mounting box with an internal controller, a connecting plate detachably connected to the top of the mounting box, a bottom mold mounted on the connecting plate for placement and inversion, a top mold on the connecting plate that works with the bottom mold and is used to fix the product, and a lifting component set on the mounting box that can apply driving force to the top mold.

[0009] Double contact switches are installed on the bottom mold and the top mold. The double contact switches are electrically connected to the controller, which is electrically connected to the lifting assembly.

[0010] Furthermore, a switch door is provided on one side of the installation box, the controller is placed inside the installation box, and several support columns are evenly fixed to the bottom of the installation box, with anti-slip pads fixed to the free ends of the support columns.

[0011] Furthermore, the side of the mounting box is provided with an indicator light and an opening switch for opening the lifting assembly. The indicator light is electrically connected to the controller, and the opening switch is electrically connected to the indicator light.

[0012] Furthermore, the opening switch includes a mounting bracket fixed to one side of the mounting box, a lifting cylinder controlled by the opening switch mounted on the mounting bracket, and a pressure plate detachably connected to the extended end of the lifting cylinder.

[0013] Furthermore, the extended end of the lifting cylinder has a slot, the pressure plate is engaged in the slot, and a connecting screw is provided at the connection between the pressure plate and the slot.

[0014] Furthermore, the top of the mounting box has several mounting slots, and the bottom of the connecting plate is fixed with connecting posts whose number and position correspond one-to-one with the mounting slots. The mounting slots and connecting posts are engaged. The connecting plate has several pin holes, and pins are inserted into the pin holes. The free end of the pin is connected to the top of the mounting box.

[0015] Furthermore, the bottom mold includes a stepped groove on the connecting plate and a snap-fit ​​groove located at the center of the stepped groove on the top of the mounting box.

[0016] Furthermore, the top mold includes a connecting groove on the connecting plate and a top arc plate that engages with the connecting groove. The top arc plate includes a connecting rod that engages with the connecting groove and an arc plate fixed to the connecting rod. An indentation block is fixed to the inner side of the arc plate. Sponge layers are provided on both sides of the indentation block. The height of the sponge layers is on the same plane as the height of the indentation block.

[0017] Furthermore, the dual contact switch includes a first thin-film pressure sensor disposed in the snap-fit ​​slot and a second thin-film pressure sensor disposed in the connection slot, both of which are connected to the controller.

[0018] The principle and effect of this solution are as follows:

[0019] 1. Compared with existing technologies, this device has a simple structure and ingenious design. This device is an offset printing mechanism designed for specific products, which can produce specific patterns for the product. It does not use offset printing, but extrusion to form the pattern. At the same time, based on minor improvements, this device can be transformed from extrusion to offset printing, thereby solving the problem that the traditional adhesive layer residue type offset printing device has a limited range of applications.

[0020] 2. Compared with the prior art, this utility model is equipped with a bottom mold, which can realize the mis-installation and inverted installation of the product. This device is equipped with a top mold, which can not only extrude the product into a shape, but also fix the product in conjunction with the bottom mold, which is beneficial for the product to form a shape by extrusion at a specific position.

[0021] 3. Compared with the existing technology, this device uses a lifting component as the driving component for extruding the product into a pattern at a specific position. In order to avoid product printing defects caused by the lifting component starting the printing step when the product is not installed in place, this device is equipped with double contact switches on the bottom mold and the top mold. The lifting component will only start when the double contact switches are turned on, thereby solving the problem of product printing defects caused by the lifting component starting the printing step when the product is not installed in place. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 This paper shows a schematic diagram of the structure of an offset printing mechanism for automotive injection molded parts according to an embodiment of this application;

[0024] Figure 2 This is a front view schematic diagram of an offset printing mechanism for automotive injection molded parts according to an embodiment of this application. Detailed Implementation

[0025] To further illustrate the technical means and effects adopted by this utility model in order to achieve the intended utility model purpose, the following detailed description of the specific implementation methods, structure, features and effects of this utility model is provided in conjunction with the accompanying drawings and preferred embodiments.

[0026] The reference numerals in the accompanying drawings include: 1. Mounting box; 2. Anti-slip pad; 3. Power switch; 4. Indicator light; 5. Connecting plate; 6. Pin; 7. Connecting column; 8. Mounting bracket; 9. Lifting cylinder; 10. Pressure plate; 11. Connecting screw; 12. Step groove; 13. Connecting groove; 14. Top arc plate; 15. Connecting rod; 16. Product; 17. First diaphragm pressure sensor.

[0027] Implementation, for example Figure 1 and Figure 2 As shown:

[0028] An automotive injection molding part offset printing mechanism includes a mounting box 1 with an internal controller, a connecting plate 5 detachably connected to the top of the mounting box 1, a bottom mold for placement and inversion mounted on the connecting plate 5, a top mold on the detachably connected connecting plate 5 for use with the bottom mold and for fixing the product 16, and a lifting component on the mounting box 1 that can apply driving force to the top mold.

[0029] Double contact switches are installed on the bottom mold and the top mold. The double contact switches are electrically connected to the controller, which is electrically connected to the lifting assembly.

[0030] Regarding the placement of the controller: The front of the installation box 1 is equipped with a door, and a bench is provided on one side of the door for staff to sit on. The controller is placed inside the installation box 1. Several support columns are evenly fixed to the bottom of the installation box 1, and anti-slip pads 2 are fixed to the free ends of the support columns.

[0031] The basic height of this device is increased by using support columns, and the installation stability of this device is achieved by installing anti-slip pads 2.

[0032] like Figure 2 As shown, the side of the mounting box 1 is provided with an indicator light 4 and an opening switch 3 for opening the lifting assembly. The indicator light 4 is electrically connected to the controller, and the opening switch 3 is electrically connected to the indicator light 4.

[0033] The indicator light 4 will light up after the controller is started; when the indicator light 4 lights up, the power switch 3 will be triggered and the lifting component will start.

[0034] Specifically:

[0035] The opening switch 3 includes a mounting bracket 8 fixed to the back of the mounting box 1, a lifting cylinder 9 controlled by the opening switch 3 and mounted on the mounting bracket 8, and a pressure plate 10 detachably connected to the extended end of the lifting cylinder 9.

[0036] Regarding the pressure plate 10: The extended end of the lifting cylinder 9 has a slot, and the pressure plate 10 is engaged in the slot. A connecting screw 11 is provided at the connection between the pressure plate 10 and the slot.

[0037] Different pressure plates 10 can be replaced, or the pressure plate 10 can be replaced with a traditional offset printing assembly, so that this device can realize the offset printing function of a traditional offset printing machine.

[0038] The top of the mounting box 1 has several mounting slots. The bottom of the connecting plate 5 is fixed with connecting posts 7, the number and position of which correspond one-to-one with the mounting slots. The mounting slots are engaged with the connecting posts 7. The connecting plate 5 has several pin holes 6. Pins 6 are inserted into the pin holes 6 and connected to them. The free end of the pin 6 is connected to the top of the mounting box 1.

[0039] Specifically:

[0040] Because the connecting plate 5 in this case is designed for a specific product 16, in order to improve the versatility of this device, the connecting plate 5 is designed to be detachable, so that different products 16 can be replaced for different products 16, thereby improving the versatility of this device; making this device not only suitable for traditional adhesive layer residue offset printing devices, but also suitable for extrusion residue offset printing devices.

[0041] Regarding the bottom mold:

[0042] The bottom mold includes a stepped groove 12 on the connecting plate 5 and a snap-fit ​​groove at the center of the stepped groove 12 located at the top of the mounting box 1.

[0043] The stepped groove 12 enables the misinstallation and inversion of this product 16, and the stepped groove 12 is a mistake-proofing measure.

[0044] Regarding the top mold:

[0045] The top mold includes a connecting groove 13 on the connecting plate 5 and a top arc plate 14 that engages with the connecting groove 13. The top arc plate 14 includes a connecting rod 15 that engages with the connecting groove 13 and an arc plate fixed to the connecting rod 15. An indentation block is fixed to the inner side of the arc plate. Sponge layers are provided on both sides of the indentation block. The height of the sponge layer is on the same plane as the height of the indentation block.

[0046] The dual contact switch includes a first thin-film pressure sensor 17 disposed in a snap-fit ​​slot and a second thin-film pressure sensor disposed in a connecting slot 13. Both the first thin-film pressure sensor 17 and the second thin-film pressure sensor are connected to the controller.

[0047] Specific implementation process:

[0048] First, product 16 is placed in stepped groove 12 through bottom mold. At this time, end face of product 16 contacts first membrane pressure sensor 17 and first membrane pressure sensor 17 is activated. Then, top mold is installed and connecting rod 15 is snapped into connecting groove 13. Since second membrane pressure sensor is provided in connecting groove 13, second membrane pressure sensor is activated.

[0049] The second step is that when both the first membrane pressure sensor 17 and the second membrane pressure sensor are triggered, the controller starts and the controller makes the reminder light 4 light up. When the reminder light 4 lights up, the circuit of switch 3 is turned on to make it open, thereby controlling the lifting component to start.

[0050] Third, after the lifting cylinder 9 is activated, the indentation block acts on the top of the product 16. At this time, the indentation block can be coated with glue or not according to the actual needs of the product 16. The desired mark is left on the top of the product 16 by pressure, thus completing the glue imprint on the product 16. The sponge layer is provided to prevent the inner side of the curved plate from causing accidental damage to the top of the product 16 except for the indentation block, thus ensuring the quality of the product 16.

[0051] This device solves the problem that traditional offset printing devices with adhesive residue have a limited range of applications.

[0052] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present utility model. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the scope of the present utility model shall still fall within the scope of the present utility model.

Claims

1. A printing mechanism for automotive injection molded parts, characterized in that, It includes a mounting box with an internal controller, a connecting plate detachably connected to the top of the mounting box, a bottom mold for mounting and inverting on the connecting plate, a top mold on the connecting plate used in conjunction with the bottom mold for fixing the product, and a lifting component set on the mounting box that can apply driving force to the top mold; Double contact switches are installed on the bottom mold and the top mold. The double contact switches are electrically connected to the controller, which is electrically connected to the lifting assembly.

2. The offset printing mechanism for automotive injection molded parts according to claim 1, characterized in that, The installation box has a switch door on one side, the controller is placed inside the installation box, and several support columns are evenly fixed to the bottom of the installation box. Anti-slip pads are fixed to the free ends of the support columns.

3. The offset printing mechanism for automotive injection molded parts according to claim 2, characterized in that, The side of the mounting box is equipped with an indicator light and an opening switch for activating the lifting assembly. The indicator light is electrically connected to the controller, and the opening switch is electrically connected to the indicator light.

4. The offset printing mechanism for automotive injection molded parts according to claim 3, characterized in that, The opening switch includes a mounting bracket fixed to one side of the mounting box, a lifting cylinder controlled by the opening switch mounted on the mounting bracket, and a pressure plate detachably connected to the extended end of the lifting cylinder.

5. The offset printing mechanism for automotive injection molded parts according to claim 4, characterized in that, The extended end of the lifting cylinder has a slot, the pressure plate is engaged in the slot, and a connecting screw is provided at the connection between the pressure plate and the slot.

6. A printing mechanism for automotive injection molded parts according to claim 1 or 4, characterized in that, The top of the mounting box has several mounting slots. The bottom of the connecting plate is fixed with connecting posts that correspond one-to-one with the mounting slots. The mounting slots are engaged with the connecting posts. The connecting plate has several pin holes. Pins are inserted into the pin holes and connected to the top of the mounting box.

7. The offset printing mechanism for automotive injection molded parts according to claim 6, characterized in that, The bottom mold includes a stepped groove on the connecting plate and a snap-fit ​​groove at the center of the stepped groove located at the top of the mounting box.

8. The offset printing mechanism for automotive injection molded parts according to claim 7, characterized in that, The top mold includes a connecting groove on the connecting plate and a top arc plate that engages with the connecting groove. The top arc plate includes a connecting rod that engages with the connecting groove and an arc plate fixed to the connecting rod. An indentation block is fixed to the inner side of the arc plate. Sponge layers are provided on both sides of the indentation block. The height of the sponge layers is on the same plane as the height of the indentation block.

9. The offset printing mechanism for automotive injection molded parts according to claim 8, characterized in that, The dual contact switch includes a first thin-film pressure sensor disposed in a snap-fit ​​slot and a second thin-film pressure sensor disposed in a connection slot. Both the first and second thin-film pressure sensors are connected to the controller.

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