Press-fit assembling device for assembling metal air outlet net and plastic compression part

Abstract

The utility model discloses a press-fit assembly device, particularly discloses a press-fit assembly device for assembling a metal air outlet net and a plastic compression piece, and belongs to the technical field of design and manufacturing of plastic compression product production process equipment. According to the press-fit assembling device for assembling the metal air outlet net and the plastic compression part, the assembling efficiency can be remarkably improved, and the labor intensity of operators is effectively reduced. The press-fit assembly device comprises a rack, a front-back press-fit unit, an up-down press-fit unit, a control display unit and a workpiece base unit, the workpiece base unit is arranged in the middle of the rack, and the front-back press-fit unit and the up-down press-fit unit are arranged on the rack in the mode of being matched with the position of the workpiece base unit. In the product pressing and assembling process, the metal air outlet net arranged in the middle of the rack and all buckling positions of the plastic pressing piece are pressed in place through the front-back pressing unit and the up-down pressing unit independently under the cooperation of the control display unit, and the assembling working condition is displayed.

Description

Technical Field

[0001] The utility model relates to a pressing assembly device, in particular to a pressing assembly device used for assembling a metal air outlet net and a plastic pressing part, and belongs to the technical field of design and manufacturing of production process equipment for plastic pressing products. Background Art

[0002] As semi-automation in manufacturing becomes increasingly popular, it is necessary to introduce corresponding equipment to complete the assembly of some more difficult assembly steps in order to improve production efficiency. For example, in the assembly process of plastic-pressed products, it is necessary to assemble the metal air outlet mesh with the plastic-pressed parts and press the corresponding buckles into place. In order to ensure the stability of the installation after the buckles are pressed together, it is necessary to press and assemble from the front and back and up and down directions. This type of plastic-pressed product is mainly used for the air outlet position of the product appearance, and it is required not to interfere with its mating parts, and not to produce gaps that do not meet production requirements; however, the current installation process is usually carried out on a manual assembly line, relying on hands to manually press the 10 buckles of the metal air outlet mesh one by one, and requires great force. Therefore, this method has low installation efficiency, high labor intensity, and cannot guarantee the uniform installation accuracy of the pressed buckles. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a pressing assembly device for assembling a metal air outlet screen and a plastic pressing part, which can significantly improve assembly efficiency and effectively reduce the labor intensity of operators.

[0004] The technical solution adopted to solve the above technical problems is: a pressing assembly device for assembling metal air outlet nets and plastic pressed parts, the pressing assembly device comprising a frame, front and rear pressing units, upper and lower pressing units, a control and display unit and a workpiece base unit, the workpiece base unit being arranged in the middle of the frame, the front and rear pressing units and the upper and lower pressing units being arranged on the frame in accordance with the positions of the workpiece base unit; during the product pressing assembly process, the metal air outlet nets and the various buckle positions of the plastic pressed parts arranged in the middle of the frame with the cooperation of the workpiece base unit are independently pressed into place with the cooperation of the front and rear pressing units and the upper and lower pressing units with the cooperation of the control and display unit, and the assembly conditions are displayed.

[0005] Furthermore, the frame is a combined truss, and a working platform is provided at least in the middle of the combined truss. The workpiece base unit includes a workpiece base and a base connecting plate. The workpiece base is arranged on the working platform through the base connecting plate. The front and rear pressing units are arranged on the working platform in accordance with the position of the workpiece base. The upper and lower pressing units are arranged on the combined truss above the working platform in accordance with the position of the workpiece base. The control display unit is arranged at the corresponding position of the combined truss.

[0006] The preferred embodiment of the above scheme is that the control display unit includes a control device and a display device, the control device includes a control computer containing a programmable module, the display device is composed of a display screen, and the front and rear pressing units, the upper and lower pressing units and the display screen are respectively connected to the programmable module of the control computer.

[0007] Furthermore, the front and rear pressing units include a front pressing mechanism and a side pressing mechanism, and the front pressing mechanism and the side pressing mechanism are arranged on the work platform in a mutually adaptive manner; during the product pressing and assembly process, the arranged metal air outlet grille and the plastic pressing parts are controlled to the limit position by the front pressing mechanism, and the buckles on the left and right sides are pressed by the front pressing mechanism, and the buckles at the front and rear ends are pressed by the side pressing mechanism.

[0008] The preferred embodiment of the above scheme is that the front pressing mechanism includes four sets of front pressing structures, and the four sets of front pressing structures are symmetrically arranged on the working platform in two groups; the side pressing mechanism includes two sets of side pressing structures, and the two sets of side pressing structures are arranged on the front and rear working platforms in accordance with the positions of the four sets of front pressing structures; each set of front pressing structures controls the metal air outlet net and the plastic pressing parts arranged in place through the limit blocks arranged thereon and limits them to the limit positions.

[0009] Furthermore, each set of side pressing structures respectively includes a first cylinder, a first pressure block, a first raising plate, a first cylinder connecting plate and a first slide rail. Each set of side pressing structures is fixed on the working platform through the first cylinder and the first slide rail in a manner corresponding to the position of each set of front pressing structures. The power input end of the first cylinder piston rod is located in the first cylinder. The first cylinder connecting plate arranged at the end of the first cylinder piston rod is fixed by the first raising plate located below the first cylinder connecting plate. The first pressure block is fixed in front of the first cylinder connecting plate.

[0010] The preferred embodiment of the above scheme is that each set of front pressing structures respectively includes a second cylinder, a third cylinder, a second slide rail, a second cylinder fixing plate, a second pressure block assembly, a second heightening plate, a first guide shaft assembly, a first pressing block assembly and a reinforcing connecting plate, the second pressure block assembly includes a second pressure block connecting plate and a second pressure block, the first guide shaft assembly includes a first guide shaft and a first guide shaft sleeve, the first pressing block assembly includes a first pressing block connecting plate and a first pressing block, each set of front pressing mechanisms is fixed at the corresponding position of the working platform through the third cylinder and the second slide rail, and the second cylinder is fixed through the second cylinder The plate is installed above the third cylinder, the third cylinder piston rod passes through the bottom of the second cylinder fixing plate and is locked to the second raising plate, the second raising plate is located above the second slide rail, the second cylinder piston rod passes through the second cylinder fixing plate and is connected to the second pressure block connecting plate, the first guide sleeve is installed on the second cylinder fixing plate, one end of the first guide shaft passing through the first guide sleeve is locked on the second pressure block connecting plate, the second pressure block is fixed in front of the second pressure block connecting plate, the first clamping block connecting plate installed on the second raising plate is connected to the end of the third cylinder piston rod, and the first clamping block is fixed in front of the first clamping block connecting plate.

[0011] Furthermore, the upper and lower pressing units include two sets of mounting components, two groups of upper and lower pressing structures and a group of hydraulic buffer modules. The hydraulic buffer module is arranged at the working end of one group of upper and lower pressing structures. The two groups of upper and lower pressing structures are arranged on the frame through two sets of mounting components to adapt to each other and the positions of the front and rear pressing units.

[0012] The preferred embodiment of the above scheme is that each set of mounting components includes a first profile connecting plate and a fourth cylinder connecting plate, the hydraulic buffer module includes a hydraulic buffer fixing block and a hydraulic buffer, the fourth cylinder connecting plate is arranged on the first profile connecting plate, the first profile connecting plate is arranged at the corresponding position of the frame, a group of upper and lower pressing structures are arranged on the first profile connecting plate through a fourth cylinder connecting plate, and the hydraulic buffer is arranged on the working end of a group of upper and lower pressing structures through the hydraulic buffer fixing block.

[0013] Furthermore, each group of upper and lower pressing structures includes a fourth cylinder, a small cylinder, an upper and lower pressing module and an upper and lower limit module. The upper and lower pressing module includes a second guide shaft, a second guide sleeve, a third pressure block connecting plate and a third pressure block. The upper and lower limit modules include a third cylinder connecting plate and a long pressure block. The fourth cylinder is installed on the fourth cylinder connecting plate, the third cylinder connecting plate is connected to the end of the fourth cylinder piston rod, the second guide sleeve is installed on the third cylinder connecting plate, the second guide shaft that plays a guiding role in the upper and lower pressing modules passes through the second guide sleeve and is connected to the third pressure block connecting plate, the small cylinder is fixed on the third cylinder connecting plate, the small cylinder piston rod is connected to the third pressure block connecting plate, the third pressure block is fixed below the third pressure block connecting plate, and the long pressure block with a height greater than the starting position height of the upper and lower pressing modules is locked below the third cylinder connecting plate.

[0014] The beneficial effects of the present utility model are as follows: the technical solution provided by the present application is achieved by setting up a pressing and assembly device including a frame, front and rear pressing units, upper and lower pressing units, a control and display unit and a workpiece base unit, and then arranging the workpiece base unit in the middle of the frame, and arranging the front and rear pressing units and the upper and lower pressing units on the frame in accordance with the positions of the workpiece base unit; in this way, when the product is pressed and assembled, the metal air outlet net and the various buckle positions of the plastic pressing parts arranged in the middle of the frame with the cooperation of the workpiece base unit are pressed into place independently by the front and rear pressing units and the upper and lower pressing units with the cooperation of the control and display unit, and the assembly status is displayed. The present invention solves the problem in the prior art that multiple buckle positions need to be manually press-fitted one by one when assembling the metal air outlet net and the plastic pressed part. The press-fitting assembly device of the present application is used to perform press-fitting assembly of each buckle position. Since only the process of placing the metal air outlet net and the plastic pressed part on the press-fitting assembly device is completed manually in the entire process, the other processes are completed by the various components of the device under the control of the control display unit. This not only significantly improves the assembly efficiency, but also effectively reduces the labor intensity of the operator. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a three-dimensional structural diagram of the press-fit assembly device for assembling a metal air outlet grille and a plastic pressed part according to the present invention;

[0016] Figure 2 A top view of the front and rear pressing units involved in the pressing assembly device for assembling a metal air outlet grille and a plastic pressed part according to the present invention;

[0017] Figure 3 It is a three-dimensional structural diagram of the front and rear pressing units involved in the pressing assembly device for assembling the metal air outlet grille and the plastic pressing part of the utility model;

[0018] Figure 4This is a structural diagram of the side pressing mechanism involved in the pressing assembly device for assembling the metal air outlet grille and the plastic pressing part of the utility model;

[0019] Figure 5 This is a structural schematic diagram of a hydraulic buffer module involved in a press-fit assembly device for assembling a metal air outlet grille and a plastic pressed part according to the present invention;

[0020] Figure 6 This is a structural diagram of the front pressing mechanism involved in the pressing assembly device for assembling a metal air outlet grille and a plastic pressed part according to the present invention;

[0021] Figure 7 This is a structural schematic diagram of the upper and lower pressing units involved in the pressing assembly device for assembling a metal air outlet grille and a plastic pressing part of the utility model;

[0022] Figure 8 This is a schematic diagram of the internal structure of the upper and lower pressing units involved in the pressing assembly device for assembling a metal air outlet grille and a plastic pressed part in the utility model;

[0023] Figure 9 The utility model is a structural schematic diagram of a workpiece base unit involved in a press-fit assembly device for assembling a metal air outlet grille and a plastic pressed part.

[0024] 13. The figures are marked as follows: front and rear pressing unit 100, upper and lower pressing unit 200, display unit 300, control unit 400, workpiece base unit 500, first fixed plate 110, side pressing mechanism 120, first cylinder 121, first cylinder piston rod 1211, first pressure block 122, first heightening plate 123, first cylinder connecting plate 124, first slide rail 125, front pressing mechanism 130, second cylinder 131, second cylinder piston rod 1311, third cylinder 132, third cylinder piston rod 1322, second slide rail 133, second cylinder fixed plate 134, second pressure block connecting plate 1351, second pressure block 1352, second heightening plate 136, first guide Toward shaft 1371, first guide sleeve 1372, first clamping block connecting plate 1381, first clamping block 1382, reinforcing connecting plate 139, first profile connecting plate 210, fourth cylinder connecting plate 220, fourth cylinder 230, fourth cylinder piston rod 231, small cylinder 240, small cylinder piston rod 241, upper and lower pressing modules 250, second guide shaft 251, second guide sleeve 252, third pressure block connecting plate 253, third pressure block 254, upper and lower limit modules 260, third cylinder connecting plate 261, long pressure block 262, hydraulic buffer module 270, hydraulic buffer fixing block 271, hydraulic buffer 272, workpiece base 510, base connecting plate 520. DETAILED DESCRIPTION

[0025] like Figures 1 to 9The present invention provides a press-fit assembly device for assembling a metal air outlet screen and a plastic pressing part, which can significantly improve assembly efficiency and effectively reduce the labor intensity of operators. The press-fit assembly device includes a frame, front and rear press-fit units 100, upper and lower press-fit units 200, a control and display unit, and a workpiece base unit 500. The workpiece base unit 500 is arranged in the middle of the frame, and the front and rear press-fit units 100 and the upper and lower press-fit units 200 are arranged on the frame in a manner corresponding to the positions of the workpiece base unit 500. During the product press-fit assembly process, the metal air outlet screen and the plastic pressing part arranged in the middle of the frame are pressed into place in cooperation with the workpiece base unit, and the front and rear press-fit units and the upper and lower press-fit units are independently pressed into place in cooperation with the control and display unit, and the assembly status is displayed. The technical solution provided by the present application is to provide a press-fit assembly device including a frame, front and rear press-fit units, upper and lower press-fit units, a control and display unit, and a workpiece base unit. The workpiece base unit is then arranged in the middle of the frame, and the front and rear press-fit units and the upper and lower press-fit units are respectively arranged on the frame in a position corresponding to the position of the workpiece base unit. In this way, during the press-fit assembly of the product, the metal air outlet mesh and the plastic pressed part arranged in the middle of the frame in cooperation with the workpiece base unit are independently pressed into place by the front and rear press-fit units and the upper and lower press-fit units in cooperation with the control and display unit, and the assembly status is displayed. This solves the problem of the prior art that the multiple press-fit positions of the metal air outlet mesh and the plastic pressed part need to be manually press-fitted one by one when assembling. The press-fit assembly device of the present application is used to press-fit each press-fit position. Since only the process of placing the metal air outlet mesh and the plastic pressed part on the press-fit assembly device is completed manually, and all other processes are completed by the various components of the device under the control of the control and display unit, not only can the assembly efficiency be significantly improved, but the labor intensity of the operator can also be effectively reduced. In this case, the control and display unit includes a control device, namely the display unit 300 described below, and a display device, namely the control unit 400 described below. The control device includes a control computer containing a programmable module. The display device is composed of a display screen. The front and rear pressing units, the upper and lower pressing units, and the display screen are respectively connected to the programmable module of the control computer. The frame is a modular truss, and a working platform, namely the first fixed plate 110 described below, is provided at least in the middle of the modular truss. The workpiece base unit includes a workpiece base 510 and a base connecting plate 520. The workpiece base 510 is arranged on the working platform via the base connecting plate 520. The front and rear pressing units 100 are arranged on the working platform in accordance with the position of the workpiece base. The upper and lower pressing units 200 are arranged on the modular truss above the working platform in accordance with the position of the workpiece base. The control and display unit is arranged at a corresponding position on the modular truss.

[0026] Correspondingly, the front and rear pressing units described in the present application include a front pressing mechanism 130 and a side pressing mechanism 120, and the front pressing mechanism 130 and the side pressing mechanism 120 are arranged on the work platform in a mutually adaptive manner; during the product pressing and assembly process, the metal air outlet grille and the plastic pressing parts arranged in place are controlled to the limit position by the front pressing mechanism 130, and the buckles on the left and right sides are pressed by the front pressing mechanism 130, and the buckles at the front and rear ends are pressed by the side pressing mechanism 120.

[0027] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "upper", "lower", "front", "back", "front", "side", etc. is based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the invented product is usually placed when in use, or the orientation or position relationship commonly understood by those skilled in the art. Such terms are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply 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 to distinguish the description and cannot be understood as indicating or implying relative importance. In this article, "parallel", "perpendicular", etc. are not strict mathematical and / or geometric limitations, but also include errors that can be understood by those skilled in the art and are allowed in manufacturing or use.

[0028] The technical solution of this application will be further described below with reference to specific embodiments in conjunction with the accompanying drawings:

[0029] Example 1

[0030] like Figure 1 、 Figure 2 As shown, the air outlet network pressing device described in the present invention includes a frame, on which are provided front and rear pressing units 100 and upper and lower pressing units 200. The upper and lower pressing units 100 are provided on the frame and above the front and rear pressing units 200. The front and rear pressing units include a front pressing mechanism 130 and a side pressing mechanism 120. The front and rear pressing units 100 are provided with a limit station and a pressing station to realize the pressing of the buckle in the horizontal direction. The upper and lower pressing units 200 are provided with a limit station and a pressing station to realize the pressing of the buckle in the vertical direction after the pressing in the horizontal direction, thereby realizing the continuous pressing action in the horizontal and vertical directions of the products to be pressed. Figure 3 、 Figure 4As shown, the upper and lower pressing units include a first profile connecting plate 210, the first profile connecting plate 210 is directly connected to the frame and fixed, and is connected to the fourth cylinder connecting plate 220 through the first profile connecting plate 210, and the fourth cylinder 230 is locked on the fourth cylinder connecting plate 220. The fourth cylinder 230 adopts a double-axis cylinder with a self-guided function, and does not require an external guide mechanism, saving space. The third cylinder connecting plate 261 is fixed on the fourth cylinder 230, and the upper and lower limit modules 260 are located on the fourth cylinder. The upper and lower pressing units 200 are driven by the fourth cylinder to realize up and down movement, wherein two small cylinders 240 are provided on the third cylinder connecting plate 261 to drive the upper The lower pressing module 250 moves up and down, and the upper and lower limit and upper and lower pressing are respectively provided with cylinders, so that the limit and pressing can be performed successively. The second guide shaft sleeve 252 is fixed on the third cylinder connecting plate 261 to guide the second guide shaft 251, thereby guiding the upper and lower pressing modules 250. The third pressure block connecting plate 253 is provided at the end of the small cylinder 240, and the third pressure block 254 is provided at the end of the third pressure block connecting plate 253. Magnetic switches are provided on the fourth cylinder 230 and the small cylinder 240, respectively, for detecting whether the upper and lower limit and upper and lower pressing are in place, so as to send corresponding signals to feedback the control unit to proceed to the next step. Figure 5 、 Figure 6 、 Figure 7As shown, the front and rear pressing units are located on the first fixed plate 110, and the front and rear pressing units are provided with a front pressing mechanism 130 and a side pressing mechanism 120. In order to ensure the horizontal position of the workpiece during automatic pressing, the front pressing mechanism 130 has 6 pressing and buckling positions, and the contact surface of the parts is large, and a limiting structure is provided. The side pressing mechanism 120 has only 2 relatively pressing and buckling positions, and no limiting structure is provided. Among them, the front pressing mechanism has 4 identical mechanisms, each corresponding to the pressing of 2 buckles, and the side pressing mechanism has 2 identical mechanisms, each corresponding to the pressing of 1 buckle, and there are a total of 10 buckles on the front and side. Of course, the pressing components in the present invention can be provided in multiple groups, and the actual settings are made according to the number of pressing and buckling positions required on the product. The front pressing mechanism 130 is connected to the first fixed plate 110 through the second slide rail 133. The second slide rail 133 plays a certain bearing and guiding role for all the structures thereon and can reduce friction during operation. The second heightening plate 136 is locked on the slider of the second slide rail 133. The heightening plate is used to make up for the height difference between the workpiece and the pressing part. At the same time, it serves as a fixing plate for the second cylinder fixing plate 134 and the first pressing block connecting plate 1381. The first pressing block connecting plate 1381 is connected to the end of the third cylinder 132 through the third cylinder piston rod 1322. The strengthening connecting plate 139 connects the second cylinder fixing plate 134 and the first pressing block connecting plate The fixing plate of the block connecting plate 1381 is integrated into one, the third cylinder 132 is fixed on the first fixing plate 110, the second cylinder 131 is located above the third cylinder 132, and is fixed on the second cylinder fixing plate 134, the second pressure block connecting plate 1351 is connected to the end of the second cylinder 131 through the second cylinder piston rod 1311, the second pressure block 1352 is located on the second pressure block connecting plate 1351, the first clamping block 1382 is arranged on the first clamping block connecting plate 1381, and the second pressure block connecting plate 1351 is located above the first clamping block connecting plate 1381, and the second pressure block 1352 is located above the first clamping block 1382. The side pressing mechanism 120 is connected to the first fixed plate 110 through the first slide rail 125, and the first height-increasing plate 123 is connected to the slider of the first slide rail 125. The mechanism composed of the first slide rail 125 together plays the role of increasing the height and guiding. The first cylinder 121 is fixed on the first fixed plate 110, and the first cylinder connecting plate 124 is connected to the first cylinder 121 through the first cylinder piston rod 1211. The first pressure block 122 is fixed in front of the first cylinder connecting plate 124. In order to detect the accuracy of the cylinder moving forward, magnetic switches are provided on the first cylinder 121, the second cylinder 131 and the third cylinder 132.

[0031] To achieve automatic pressing, the present invention further includes a control unit 400, which is electrically connected to the front pressing mechanism 130 and the side pressing mechanism 120 of the front and rear pressing units 100, as well as the upper and lower pressing units 200. To enhance the linkage control and safety control of the overall equipment operation, the various driving components of the control unit 400 are electrically connected via a signal detection line. Before each action is performed, the control unit 400 needs to receive a signal detection signal from the relevant device. Only when the device reaches the specified position can the control device 400 control the action of the next mating unit. Furthermore, a grating and an emergency stop button are introduced to control the control unit 400, and the display unit 300 provides descriptions of each component, displays actions, and provides fault alarm reminders.

[0032] The working process of the utility model is as follows: the air outlet net assembly is placed in the positioning groove of the workpiece base 510, and then after the entire device starts working, the control unit 400 controls the third cylinder connecting plate 261 at the end of the fourth cylinder 230 to move downward. When it is about to reach the specified position, the hydraulic buffer module 270 is used for buffering, so that the third cylinder connecting plate 261 moves downward to the specified position, and then the control unit 400 controls the long pressing block 262 to move downward to press the upper part of the workpiece, and then the third cylinder 132 drives the first pressing block connecting plate 1381 forward through the third cylinder piston rod 1322, so that the first pressing block 1382 moves forward to press the front of the workpiece, and then the control unit 400 controls the second pressing block connecting plate 1311 at the end of the second cylinder piston rod 1311. 51. The first cylinder connecting plate 124 located at the end of the first cylinder piston rod 1211 moves forward at the same time, causing the second pressure block 1352 and the first pressure block 122 to move forward to complete the horizontal pressing of the 8 buckle positions of the workpiece. After pressing to the specified position, the control unit controls the second cylinder piston rod 1311 and the first cylinder piston rod 1211 to return to the starting position at the same time. After that, the control unit controls the small cylinder piston rod 241 to move downward, driving the third pressure block connecting plate 253 located below the small cylinder piston rod 241 to move downward, and then controls the third pressure block 254 to move downward to perform vertical pressing on the 8 buckle positions at the same time. After descending to the specified position, the control unit 400 controls all cylinders to return to the starting position, and then performs the pressing process of the next workpiece.

[0033] The above is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, various modifications and variations of the present invention are possible. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the scope of protection of the present invention.

[0034] In summary, the air outlet net pressing device provided by the present application includes a frame, and the frame is provided with a front and rear pressing unit and an upper and lower pressing unit. The upper and lower pressing units are arranged on the frame and located above the front and rear pressing units. The front and rear pressing units include a front pressing mechanism and a side pressing mechanism, which are respectively provided with a limit station and a pressing station. The limit station limits the horizontal direction of the air outlet net, and the pressing stations correspond to each buckle position of the air outlet net. The utility model performs a first action pressing on the buckle position of the product through the front and rear pressing units, and performs a second action pressing on the buckle position of the product through the upper and lower pressing units, thereby completing the automatic pressing of multiple buckle positions of the air outlet net. The pressing actions of multiple buckle positions are integrated, with high efficiency and high precision, and improves the yield rate after the workpiece is assembled.

Claims

1. A press-fit assembly device for assembling a metal air outlet grille and a plastic pressed part, characterized by: The pressing assembly device includes a frame, front and rear pressing units, upper and lower pressing units, a control and display unit and a workpiece base unit. The workpiece base unit is arranged in the middle of the frame, and the front and rear pressing units and the upper and lower pressing units are respectively arranged on the frame in accordance with the position of the workpiece base unit. During the product pressing assembly process, the metal air outlet net and each buckle position of the plastic pressing part arranged in the middle of the frame with the cooperation of the workpiece base unit are pressed into place independently by the front and rear pressing units and the upper and lower pressing units with the cooperation of the control and display unit, and the assembly status is displayed.

2. The press-fit assembly device for assembling a metal air outlet grille and a plastic pressed part according to claim 1, characterized in that: The frame is a combined truss, and a working platform is provided at least in the middle of the combined truss. The workpiece base unit includes a workpiece base and a base connecting plate. The workpiece base is arranged on the working platform through the base connecting plate. The front and rear pressing units are arranged on the working platform in accordance with the position of the workpiece base. The upper and lower pressing units are arranged on the combined truss above the working platform in accordance with the position of the workpiece base. The control display unit is arranged at the corresponding position of the combined truss.

3. The press-fit assembly device for assembling a metal air outlet grille and a plastic pressed part according to claim 1 or 2, characterized in that: The control display unit includes a control device and a display device. The control device includes a control computer containing a programmable module. The display device consists of a display screen. The front and rear pressing units, the upper and lower pressing units and the display screen are respectively connected to the programmable module of the control computer.

4. The press-fit assembly device for assembling a metal air outlet grille and a plastic pressed part according to claim 3, characterized in that: The front and rear pressing units include a front pressing mechanism and a side pressing mechanism, which are arranged on the work platform in a mutually adaptive manner. During the product pressing and assembly process, the metal air outlet grille and the plastic pressing parts arranged in place are controlled to the limit position by the front pressing mechanism, and the buckles on the left and right sides are pressed by the front pressing mechanism, and the buckles at the front and rear ends are pressed by the side pressing mechanism.

5. The press-fit assembly device for assembling a metal air outlet grille and a plastic pressed part according to claim 4, characterized in that: The front pressing mechanism includes four sets of front pressing structures, which are symmetrically arranged on the working platform in two groups. The side pressing mechanism includes two sets of side pressing structures, which are arranged on the front and rear working platforms in accordance with the positions of the four sets of front pressing structures. Each set of front pressing structures controls the metal air outlet grille and plastic pressing parts in place through the limit blocks arranged thereon and limits them to the limit positions.

6. The press-fit assembly device for assembling a metal air outlet grille and a plastic pressed part according to claim 5, characterized in that: Each set of side pressing structures respectively includes a first cylinder, a first pressure block, a first raising plate, a first cylinder connecting plate and a first slide rail. Each set of side pressing structures is fixed on the working platform through the first cylinder and the first slide rail in a manner adapted to the position of each set of front pressing structures. The power input end of the first cylinder piston rod is located in the first cylinder. The first cylinder connecting plate arranged at the end of the first cylinder piston rod is fixed by the first raising plate below the first cylinder connecting plate. The first pressure block is fixed in front of the first cylinder connecting plate.

7. The press-fit assembly device for assembling a metal air outlet grille and a plastic pressed part according to claim 6, characterized in that: Each set of front pressing structure includes a second cylinder, a third cylinder, a second slide rail, a second cylinder fixing plate, a second pressure block assembly, a second heightening plate, a first guide shaft assembly, a first pressing block assembly and a reinforcing connecting plate. The second pressure block assembly includes a second pressure block connecting plate and a second pressure block. The first guide shaft assembly includes a first guide shaft and a first guide shaft sleeve. The first pressing block assembly includes a first pressing block connecting plate and a first pressing block. Each set of front pressing mechanism is fixed at the corresponding position of the working platform through the third cylinder and the second slide rail. The second cylinder is installed on the third cylinder fixing plate through the second cylinder fixing plate. Above the three cylinders, the third cylinder piston rod passes through the bottom of the second cylinder fixing plate and is locked to the second raising plate. The second raising plate is located above the second slide rail. The second cylinder piston rod passes through the second cylinder fixing plate and is connected to the second pressure block connecting plate. The first guide sleeve is installed on the second cylinder fixing plate. One end of the first guide shaft passing through the first guide sleeve is locked on the second pressure block connecting plate. The second pressure block is fixed in front of the second pressure block connecting plate. The first clamping block connecting plate installed on the second raising plate is connected to the end of the third cylinder piston rod, and the first clamping block is fixed in front of the first clamping block connecting plate.

8. The press-fit assembly device for assembling a metal air outlet grille and a plastic pressed part according to claim 7, characterized in that: The upper and lower pressing units include two sets of mounting components, two groups of upper and lower pressing structures and a group of hydraulic buffer modules. The hydraulic buffer module is arranged at the working end of one group of upper and lower pressing structures. The two groups of upper and lower pressing structures are arranged on the frame through two sets of mounting components to adapt to each other and the positions of the front and rear pressing units.

9. The press-fit assembly device for assembling a metal air outlet grille and a plastic pressed part according to claim 8, characterized in that: Each set of mounting components includes a first profile connecting plate and a fourth cylinder connecting plate. The hydraulic buffer module includes a hydraulic buffer fixing block and a hydraulic buffer. The fourth cylinder connecting plate is arranged on the first profile connecting plate. The first profile connecting plate is arranged at the corresponding position of the frame. A group of upper and lower pressing structures are arranged on the first profile connecting plate through a fourth cylinder connecting plate. The hydraulic buffer is arranged on the working end of a group of upper and lower pressing structures through the hydraulic buffer fixing block.

10. The press-fit assembly device for assembling a metal air outlet grille and a plastic pressed part according to claim 9, characterized in that: Each set of upper and lower pressing structures includes a fourth cylinder, a small cylinder, upper and lower pressing modules and upper and lower limit modules respectively. The upper and lower pressing modules include a second guide shaft, a second guide sleeve, a third pressure block connecting plate and a third pressure block. The upper and lower limit modules include a third cylinder connecting plate and a long pressure block. The fourth cylinder is installed on the fourth cylinder connecting plate, the third cylinder connecting plate is connected to the end of the fourth cylinder piston rod, the second guide sleeve is installed on the third cylinder connecting plate, the second guide shaft that plays a guiding role in the upper and lower pressing modules passes through the second guide sleeve and is connected to the third pressure block connecting plate, the small cylinder is fixed on the third cylinder connecting plate, the small cylinder piston rod is connected to the third pressure block connecting plate, the third pressure block is fixed below the third pressure block connecting plate, and a long pressure block with a height greater than the starting position height of the upper and lower pressing modules is locked below the third cylinder connecting plate.

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