Automatic mounting device for pin on valve body

Abstract

The utility model discloses an automatic mounting device for a pin on a valve body, which comprises a valve body fixing module, a valve body switch grabbing module, a pin traction module and a pin grabbing module, the pin traction module is arranged on one side of the valve body fixing module and comprises a support assembly and a pin traction assembly, and the pin traction assembly comprises an air cylinder, a pin grabbing module and a pin driving module. The needle mounting seat is connected with a piston rod of the air cylinder, and a bearing is arranged at the bottom of the needle mounting seat; the needle rotating motor is arranged below the air cylinder, a rotating shaft of the needle rotating motor penetrates through the bearing, a needle inserting hole is formed in the end of the rotating shaft, a needle is arranged in the needle inserting hole, the diameter of the needle is the same as that of the pin, and the needle is right opposite to the top mounting hole of the valve body so as to be inserted into the top mounting hole of the valve body. According to the utility model, the automation of valve body assembly can be realized, and the accuracy and the efficiency of valve body pin installation are improved.

Description

Technical Field

[0001] The utility model relates to the field of valve body assembly, and more specifically, to an automatic installation device for pins on a valve body. Background Art

[0002] During the assembly of the valve body, the general process includes positioning the valve body switch, positioning the pin and fixing the pin. The top of the valve body is provided with a mounting hole, and the valve body switch is provided with a hole position corresponding to the mounting hole. After the pin passes through the hole position and the mounting hole, the valve body and the valve body switch are connected to form a finished product. The unassembled valve body structure is as follows Figure 2 As shown, the assembled valve body structure is as follows Figure 3 As shown in the figure, reference numeral 101 is the valve body, reference numeral 103 is the mounting hole on the top of the valve body, reference numeral 103 is the valve body switch, and reference numeral 104 is the pin. Currently, the valve body assembly process is still completed manually. This is because the pin positioning accuracy is very high during the valve body assembly process. If the pin positioning deviates, it will hit the valve body structure and even damage the valve body structure. However, manual assembly of the valve body has low assembly efficiency and high labor costs. Therefore, a device for automatically installing pins on the valve body is needed to solve the above problems. Utility Model Content

[0003] An object of the present invention is to solve at least the above problems and to provide at least the advantages to be described below.

[0004] Another object of the present invention is to provide an automatic installation device for pins on a valve body, which includes a valve body traction module, which can accurately position the pins and effectively prevent the pins from colliding with or even damaging the valve body structure during the automatic installation process.

[0005] In order to achieve these purposes and other advantages according to the utility model, a device for automatically installing a pin on a valve body is provided, comprising:

[0006] A valve body fixing module, which is used to vertically fix the valve body;

[0007] A valve switch grasping module, comprising a first PPU manipulator for grasping the valve switch and mounting it on the top of the valve body so that the mounting hole on the top of the valve body corresponds to the hole position of the valve switch;

[0008] The pin pulling module is arranged on one side of the valve body fixing module, and includes a bracket assembly and a pin pulling assembly arranged on the bracket assembly. The pin pulling assembly includes:

[0009] a cylinder, which is disposed on the bracket assembly;

[0010] A needle mounting seat is connected to the piston rod of the cylinder, and a bearing is provided at the bottom of the needle mounting seat;

[0011] a needle rotating motor, which is arranged below the cylinder, wherein the rotating shaft of the needle rotating motor passes through the bearing, and the end of the rotating shaft has a needle insertion hole, in which a needle is arranged, the diameter of the needle is the same as the diameter of the pin, and the needle faces the mounting hole at the top of the valve body so as to be inserted into the mounting hole at the top of the valve body;

[0012] The pin grabbing module includes a second PPU manipulator for grabbing pins from a pin vibration loader and pressing a needle inserted into the mounting hole at the top of the valve body from the side of the valve body away from the pin pulling module to push the pin into the mounting hole at the top of the valve body.

[0013] Preferably, the support assembly is a gantry, and the pin traction assembly is arranged in the middle position of the bottom of the horizontal frame of the gantry.

[0014] Preferably, the needle rotation motor is arranged at the bottom of the cylinder through a slide rail assembly, and the slide rail assembly includes:

[0015] a guide rail, which is arranged at the bottom of the cylinder and is parallel to the cylinder piston rod;

[0016] The vertical portion of the L-shaped mounting plate is connected to the needle rotating motor, and the top of the horizontal portion is provided with a slider that cooperates with the guide rail.

[0017] Preferably, the needle mounting seat is provided with a slot for the guide rail to pass through.

[0018] Preferably, there are multiple valve body fixing modules, which are arranged on a conveyor belt and move one by one to a designated position along with the conveyor belt, so that the valve body on the valve body fixing module faces the pin pulling assembly, and any valve body fixing module includes:

[0019] a base, which is arranged on the conveyor belt and moves with the conveyor belt;

[0020] The valve body clamping seat is arranged on the base and includes a pair of air grippers arranged opposite to each other, one of which is provided with an infrared sensor to detect whether the valve body is provided in the pair of air grippers and to feedback to the cylinder grippers to clamp the valve body.

[0021] The utility model has at least the following beneficial effects:

[0022] The valve body is fixed on the working position, and the top of the valve body is fixed on the valve body fixing module with the top facing upward, thereby exposing the mounting hole on the top of the valve body. The valve body switch grabbing module is used to grab the valve body switch and temporarily fix the valve body switch on the top of the valve body, so that the mounting hole on the top of the valve body corresponds to the hole position of the valve body switch. The pin pulling module is used to accurately position the pin and guide the insertion path of the pin. The pin grabbing module is used to grab the pin and, under the guidance of the pin pulling module, accurately insert the pin into the hole position of the valve body switch and the mounting hole on the top of the valve body to fix the valve body and the valve body switch, thereby realizing automatic assembly of the valve body, saving human resources for valve body assembly, and greatly improving the efficiency of valve body assembly.

[0023] Secondly, in the automatic installation device for a pin on a valve body provided by the present invention, the pin pulling module is arranged on one side of the valve body fixing module, and the pin is inserted into the mounting hole on the top of the valve body from the other side of the valve body fixing module, and the pin pulling module includes a cylinder, a needle mounting seat and a needle rotating motor; wherein the cylinder is used to push the needle mounting seat to move toward the valve body, and the needle mounting seat is used to install a needle that plays a guiding role, and the needle rotating motor rotates the needle and inserts it into the mounting hole on the top of the valve body, and the pin and the needle are located on the same horizontal line, and the pin presses the needle to insert it into the mounting hole on the top of the valve body from the side of the valve body away from the pin pulling module, thereby ensuring the accuracy of the pin installation, avoiding collision or even damage to the structure of the valve body during the pin installation, and improving the safety of the automatic installation device for the pin on the valve body;

[0024] Third, in the automatic pin installation device for the valve body provided by the present invention, the needle rotating motor is arranged at the bottom of the cylinder through a slide rail assembly. The slide rail assembly includes a guide rail and an L-shaped mounting plate. The horizontal portion of the L-shaped mounting plate is provided with a slider adapted to the guide rail, and the vertical portion is connected to the needle rotating motor. The overall structure is compact and stable.

[0025] Fourthly, in the automatic installation device for pins on a valve body provided by the utility model, the valve body fixing modules include multiple ones, and the multiple valve body fixing modules are arranged on a conveyor belt and move one by one to a designated position along with the conveyor belt, so that the valve body on the valve body fixing module faces the pin traction assembly, realizing automatic transportation of the valve body fixing module, forming a complete valve body assembly line, and further improving the assembly efficiency of the valve body assembly.

[0026] Other advantages, objectives and features of the present invention will be reflected in part through the following description, and in part will be understood by those skilled in the art through research and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a schematic structural diagram of the automatic pin installation device on the valve body in one technical solution of the utility model;

[0028] Figure 2 This is a schematic diagram of the unassembled valve body structure of the present invention;

[0029] Figure 3 This is a schematic diagram of the assembled valve body structure of the utility model;

[0030] Figure 4 This is a structural diagram of the pin pulling module in another technical solution of the present utility model;

[0031] Figure 5 This is a structural diagram of the valve body switch grabbing module in another technical solution of the present utility model;

[0032] Figure 6 This is a structural diagram of the pin grabbing module in another technical solution of the present invention. DETAILED DESCRIPTION

[0033] The present invention will be described in further detail below in conjunction with the accompanying drawings so that those skilled in the art can implement the invention with reference to the description.

[0034] It should be understood that terms such as “having”, “including” and “comprising” used herein do not preclude the existence or addition of one or more other elements or combinations thereof.

[0035] It should be noted that the experimental methods described in the following embodiments are conventional methods unless otherwise specified, and the reagents and materials are commercially available unless otherwise specified. In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "set" should be understood in a broad sense, for example, they can be fixedly connected or set, or detachably connected or set, or integrally connected or set. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances. The orientations or positional relationships indicated by the terms "transverse", "longitudinal", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description. They 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 limiting the present invention.

[0036] like Figures 1 to 6As shown, the utility model provides an automatic installation device for pins on a valve body, comprising:

[0037] A valve body fixing module 100, which is used to vertically fix the valve body;

[0038] The valve switch grasping module 300 includes a first PPU manipulator 301 for grasping the valve switch 103 and installing it on the top of the valve body so that the mounting hole 102 on the top of the valve body corresponds to the hole position of the valve switch 103;

[0039] The pin pulling module 200 is arranged on one side of the valve body fixing module 100 and includes a bracket assembly and a pin pulling assembly arranged on the bracket assembly. The pin pulling assembly includes:

[0040] a cylinder 202, which is provided on the bracket assembly;

[0041] A needle mounting seat 205 is connected to the piston rod 204 of the cylinder, and a bearing 208 is provided at the bottom of the needle mounting seat 205;

[0042] The needle rotating motor 203 is disposed below the cylinder 202. The rotating shaft 209 of the needle rotating motor passes through the bearing 208. The end of the rotating shaft 209 has a needle 207 insertion hole. The needle 207 is disposed in the needle 207 insertion hole. The diameter of the needle 207 is the same as that of the pin 104. The needle 207 is aligned with the valve body top mounting hole 102 so as to be inserted into the valve body top mounting hole 102.

[0043] The pin grabbing module 400 includes a second PPU manipulator 401, which is used to grab the pin 104 from the pin 104 vibration loader and press the needle 207 inserted into the top mounting hole 102 of the valve body from the side of the valve body away from the pin pulling module 200 to push the pin 104 into the top mounting hole 102 of the valve body.

[0044] In the above technical solution, the automatic installation device for the pin on the valve body includes a valve body fixing module 100, a valve body switch grabbing module 300, a pin pulling module 200 and a pin grabbing module 400, wherein the valve body fixing module 100 is used to fix the valve body to be assembled in the working position, and the top of the valve body to be assembled is vertically fixed on the valve body fixing module 100 with the top facing upward, exposing the valve body top mounting hole 102, and the valve body switch grabbing module 300 is used to grab the valve body switch 103 and temporarily fix the valve body switch 103 on the top of the valve body, so that the valve body top The mounting hole 102 at the bottom corresponds to the hole position of the valve body switch 103, the pin pulling module 200 is used to accurately position the pin 104 and guide the insertion path of the pin 104, the pin grabbing module 400 is used to grab the pin 104 and accurately insert the pin 104 into the hole position of the valve body switch 103 and the mounting hole 102 at the top of the valve body under the guidance of the pin pulling module 200, fix the valve body and the valve body switch 103, realize the automatic assembly of the valve body, save human resources for valve body assembly, and greatly improve the efficiency of valve body assembly.

[0045] In the above technical solution, the pin pulling module 200 is arranged on one side of the valve body fixing module 100, and the pin 104 is inserted into the mounting hole 102 on the top of the valve body from the other side of the valve body fixing module 100. The pin pulling module 200 includes a pin pulling assembly, and the pin pulling assembly includes a cylinder 202, a needle mounting seat 205 and a needle rotation motor 203; wherein the cylinder 202 is used to push the needle mounting seat 205 toward the valve body, and the needle mounting seat 205 is used to install it. The needle 207 plays a guiding role, and the needle rotation motor 203 rotates the needle 207 to insert it into the mounting hole 102 on the top of the valve body. The pin 104 and the needle 207 are located on the same horizontal line. The pin 104 presses the needle 207 to insert it into the mounting hole 102 on the top of the valve body from the side of the valve body away from the pin pulling module 200, ensuring the accuracy of the installation of the pin 104, avoiding the pin 104 from hitting or even damaging the structure of the valve body during installation, and improving the safety of the automatic pin installation device on the valve body.

[0046] In the above technical solution, the pin pulling module 200 further includes a bracket assembly, which is arranged on one side of the valve body fixing module 100, and the pin pulling assembly is arranged on the bracket assembly. Preferably, the pin pulling assembly is arranged in the middle position of the bracket assembly, and the cylinder 202 is arranged on the bracket assembly. Figure 2As shown, the cylinder 202 is arranged on the bracket assembly through the cylinder 202 seat, and the needle mounting seat 205 is installed at the end of the cylinder piston rod 204 and reciprocates with the cylinder piston rod 204. Preferably, the needle mounting seat 205 includes a seat plate connected to the cylinder piston rod 204 and a U-shaped ring arranged below the seat plate, and the middle part of the U-shaped ring is provided with the bearing 208, which can reduce the dead weight of the needle mounting seat 205. The needle rotating motor 203 is arranged below the cylinder 202, and the rotating shaft 209 of the needle rotating motor is arranged parallel to the piston rod 204 of the cylinder. The rotating shaft 209 of the rotating motor passes through the bearing 208, so that the needle rotating motor 203 can reciprocate with the needle mounting seat 205. The rotating shaft 209 of the needle rotating motor can be removed from the bearing 208 and rotated. A needle 207 is provided at the end of the rotating shaft 209 of the needle rotating motor. The needle 207 is inserted into the rotating shaft 209 of the needle rotating motor through the insertion hole at the end of the rotating shaft 209 of the needle rotating motor, and the diameter of the needle 207 is the same as the diameter of the pin 104. As the cylinder 202 moves, the needle 207 is inserted into the mounting hole 102 at the top of the valve body, or away from the mounting hole 102 at the top of the valve body.

[0047] like Figure 2 、 Figure 3 and Figure 5 As shown, in the above technical solution, the automatic installation device for the pin on the valve body also includes a valve body switch grabbing module 300, which is used to grab the valve body switch 103 and install it to the top of the valve body, so that the mounting hole 102 on the top of the valve body corresponds to the hole position of the valve body switch 103, including a first PPU manipulator 301, a disc vibrator 303 and a valve body switch vibrating loader 302. The PPU (pick and place unit) manipulator is a cam structure transplanting manipulator. Under the drive of a servo or motor, the actuator runs according to a predetermined trajectory. Its advantages are short cycle time and adjustable stroke position. The first PPU manipulator 301, the disc vibrator 303 and the valve body switch vibrating loader 302 are all existing technologies and are not elaborated in this application. It should be noted that the attached Figure 5 The first PPU manipulator 301, the disc vibrator 303 and the valve body switch vibrating loader 302 shown in the figure are only one of the structural forms. A more skilled technician can easily think of using the first PPU manipulator 301, the disc vibrator 303 and the valve body switch vibrating loader 302 in other structural forms to achieve the above functions.

[0048] like Figure 2 、 Figure 3 and Figure 6As shown, in the above technical solution, the automatic installation device for pins on the valve body also includes a pin grabbing module 400, which is used to grab the pin 104 from the pin 104 vibrating loader and press the needle 207 inserted into the valve body top mounting hole 102 from the side of the valve body away from the pin pulling module 200 to push the pin 104 into the valve body top mounting hole 102, including a second PPU manipulator 401 and a pin loader 402. The second PPU manipulator 401 and the pin loader 402 are both existing technologies and are not elaborated in detail in this application. It should be noted that the attached Figure 6 The second PPU manipulator 401 and the pin loader 402 shown in the figure are only one of the structural forms. A skilled person can easily think of adopting the second PPU manipulator 401 and the pin loader 402 of other structural forms to achieve the above functions.

[0049] like Figures 2-4 As shown, in one of the technical solutions, the support assembly is a gantry 201, and the pin traction assembly is arranged in the middle position at the bottom of the horizontal frame of the gantry 201. The gantry 201 has high stability, ensuring the stability and reliability of the operation of the pin traction assembly.

[0050] like Figures 2-4 As shown, in one of the technical solutions, the needle rotation motor 203 is arranged at the bottom of the cylinder 202 through a slide rail assembly, and the slide rail assembly includes:

[0051] A guide rail 206 , which is disposed at the bottom of the cylinder 202 and is parallel to the piston rod 204 of the cylinder 202 ;

[0052] The vertical portion of the L-shaped mounting plate is connected to the needle rotation motor 203 , and the top of the horizontal portion is provided with a slider that cooperates with the guide rail 206 .

[0053] In one technical solution, the needle mounting seat 205 is provided with a slot for the guide rail 206 to pass through, so as to facilitate the movement of the needle mounting seat 205 .

[0054] In the above technical solution, the needle rotation motor 203 is arranged at the bottom of the cylinder 202 through a slide rail assembly, which not only ensures the stability of the installation of the needle rotation motor 203, but also reduces the friction of the needle rotation motor 203 moving with the needle 207 according to the mounting device. The needle rotation motor 203 includes a guide rail 206 and an L-shaped mounting plate. The L-shaped mounting plate serves to connect the guide rail 206 and the needle rotation motor 203. The vertical part of the L-shaped mounting plate is connected to the needle rotation motor 203, and the top of the horizontal part is provided with a slider that cooperates with the guide rail 206.

[0055] like Figure 1As shown, in one technical solution, there are multiple valve body fixing modules 100, and the multiple valve body fixing modules 100 are arranged on the conveyor belt 500 and move one by one to a specified position along with the conveyor belt 500, so that the valve body on the valve body fixing module 100 faces the pin pulling assembly. Any valve body fixing module 100 includes:

[0056] a base, which is disposed on the conveyor belt 500 and moves along with the conveyor belt 500;

[0057] The valve body clamping seat is arranged on the base and includes a pair of air grippers arranged opposite to each other, one of which is provided with an infrared sensor to detect whether the valve body is provided in the pair of air grippers and to feedback the cylinder 202 to clamp the valve body.

[0058] In the above technical solution, there are multiple valve body fixing modules 100, and the multiple valve body fixing modules 100 are arranged on the conveyor belt 500 and move one by one to the specified position along with the conveyor belt 500, so that the valve body on the valve body fixing module 100 is facing the pin traction assembly, wherein the conveyor belt 500 and its driving member are existing technologies, and are not elaborated in detail in this application. Preferably, the conveyor belt 500 is annular to facilitate the recycling of the valve body fixing module 100. Any valve body fixing module 100 includes a base and a valve body clamping seat, wherein the base is arranged on the conveyor belt 500 and moves with the conveyor belt 500, and the valve body clamping seat is arranged on the base, which includes a pair of relatively arranged air claws, one of the air claws is provided with an infrared sensor to detect that the valve body is provided in a pair of air claws and feedback the cylinder 202 clamping claws to clamp the valve body. During the assembly line operation, only one staff member is required to place the valve body between the pair of air claws. After the infrared sensor detects the presence of the valve body, the air claws clamp the valve body. When the valve body fixing module 100 moves to the unloading position, the air claws release the assembled valve body, and the assembled valve body falls into the unloading basket.

[0059] The number of devices and processing scales described herein are intended to simplify the description of the present invention. Applications, modifications, and variations of the present invention's automatic pin installation device for a valve body will be readily apparent to those skilled in the art.

[0060] Although the embodiments of the present invention have been disclosed above, they are not limited to the applications listed in the description and implementation methods. They can be fully applied to various fields suitable for the present invention. For those familiar with this field, additional modifications can be easily implemented. Therefore, without departing from the general concept defined by the claims and the scope of equivalents, the present invention is not limited to the specific details and illustrations shown and described herein.

Claims

1. Automatic installation device for pins on valve body, characterized by: include: A valve body fixing module, which is used to vertically fix the valve body; A valve switch grasping module, comprising a first PPU manipulator for grasping the valve switch and mounting it on the top of the valve body so that the mounting hole on the top of the valve body corresponds to the hole position of the valve switch; The pin pulling module is arranged on one side of the valve body fixing module, and includes a bracket assembly and a pin pulling assembly arranged on the bracket assembly. The pin pulling assembly includes: a cylinder, which is disposed on the bracket assembly; A needle mounting seat is connected to the piston rod of the cylinder, and a bearing is provided at the bottom of the needle mounting seat; a needle rotating motor, which is arranged below the cylinder, wherein the rotating shaft of the needle rotating motor passes through the bearing, and the end of the rotating shaft has a needle insertion hole, in which a needle is arranged, the diameter of the needle is the same as the diameter of the pin, and the needle faces the mounting hole at the top of the valve body so as to be inserted into the mounting hole at the top of the valve body; The pin grabbing module includes a second PPU manipulator for grabbing pins from a pin vibration loader and pressing a needle inserted into the mounting hole at the top of the valve body from the side of the valve body away from the pin pulling module to push the pin into the mounting hole at the top of the valve body.

2. The automatic installation device for pins on a valve body according to claim 1, characterized in that: The support assembly is a gantry frame, and the pin traction assembly is arranged at the middle position of the bottom of the horizontal frame body of the gantry frame.

3. The automatic installation device for pins on a valve body according to claim 2, characterized in that: The needle rotating motor is arranged at the bottom of the cylinder through a slide rail assembly, and the slide rail assembly includes: a guide rail, which is arranged at the bottom of the cylinder and is parallel to the cylinder piston rod; The vertical portion of the L-shaped mounting plate is connected to the needle rotating motor, and the top of the horizontal portion is provided with a slider that cooperates with the guide rail.

4. The automatic installation device for pins on a valve body according to claim 3, characterized in that: The needle mounting seat is provided with a slot for the guide rail to pass through.

5. The automatic installation device for pins on a valve body according to claim 4, characterized in that: There are multiple valve body fixing modules, which are arranged on a conveyor belt and move one by one to a specified position along with the conveyor belt, so that the valve body on the valve body fixing module faces the pin pulling assembly. Any valve body fixing module includes: a base, which is arranged on the conveyor belt and moves with the conveyor belt; The valve body clamping seat is arranged on the base and includes a pair of air grippers arranged opposite to each other, one of which is provided with an infrared sensor to detect whether the valve body is provided in the pair of air grippers and to feedback to the cylinder grippers to clamp the valve body.

Images