Automatic retainer grabbing and mounting device and mounting method

Abstract

The invention discloses an automatic guard ring grabbing and installing device and method, and belongs to the field of automobile part production. The automatic guard ring grabbing and installing device comprises a horizontal swing device, a first swing cylinder and a grabbing mechanism, and the horizontal swing device is used for driving the grabbing mechanism to rotate on a first plane; the first swing cylinder is used for driving the grabbing mechanism to rotate on a second plane, and the second plane is perpendicular to the first plane. The number of the grabbing mechanisms is two, the two grabbing mechanisms are installed at the two ends of the first swing cylinder correspondingly, rotation adjustment is driven by the first swing cylinder, and the two grabbing mechanisms are located on the same straight line. The grabbing mechanism comprises a main telescopic air cylinder and a grabbing device, the main telescopic air cylinder is used for driving the grabbing device to do telescopic motion on a first plane, and the grabbing device is used for grabbing the open retainer; and by arranging the two grabbing mechanisms, grabbing and mounting of the open retainer are achieved at the same time, and the mounting efficiency of the open retainer is improved.

Description

Technical Field

[0001] The invention relates to the field of automobile parts production, and in particular to an automatic grabbing and installing device for a retaining ring and an installing method. Background Art

[0002] The annual sales volume of automobiles is quite large, and the production tasks of various automobile parts that match them are also very heavy. Among them, the brake hard pipe and assembly, and the brake hose assembly are extremely important parts on the automobile. They have many specifications and types, and the task of component installation is heavy. Installing the retainer and bracket on the brake hose is one of the processes of installing the brake hose assembly (there are also other parts such as quick plugs and clamps). In conventional production, the open retainer and bracket are manually installed on the appropriate position of the hose, and then the bracket is pressed and the bracket's gusset is bent by the tooling. The installation efficiency of the bracket is low. Summary of the invention

[0003] The object of the present invention is to provide a retainer automatic grabbing and installation device and installation method, by providing two grabbing mechanisms, the grabbing and installation of the opening retainer can be achieved simultaneously, thereby improving the installation efficiency of the opening retainer.

[0004] In order to solve the above technical problems, the following technical solutions are adopted: In a first aspect, the present invention provides an automatic grabbing and installing device for a retaining ring, wherein the retaining ring is an open retaining ring with a notch on the side wall, comprising a horizontal swing device, a first swing cylinder, and a grabbing mechanism, wherein the horizontal swing device is used to drive the grabbing mechanism to rotate on a first plane, and the first swing cylinder is used to drive the grabbing mechanism to rotate on a second plane, wherein the second plane is perpendicular to the first plane; The grabbing mechanism is provided with two, and the two grabbing mechanisms are respectively installed at the two ends of the first swing cylinder, and are driven to rotate and adjust by the first swing cylinder, so that the two grabbing devices are in the same straight line; The grabbing mechanism comprises a main telescopic cylinder and a grabbing device, wherein the main telescopic cylinder is used to drive the grabbing device to perform telescopic movement on a first plane, and the grabbing device is used to grab the opening retaining ring; When the grabbing device at one end is located in the opening retainer installation area, the grabbing device at the other end is located in the opening retainer transmission area.

[0005] Optionally, the horizontal swing device is installed on a workbench, and an open guard ring transmission device and a positioning block are provided on the workbench, the open guard ring transmission device is located in the open guard ring transmission area, the open guard ring is provided on the open guard ring transmission device, the pipe is provided on the positioning block, the positioning block and the pipe are located in the open guard ring installation area, and the horizontal swing device is installed between the guard ring transmission device and the positioning block.

[0006] Optionally, the horizontal swing device includes a second swing cylinder, a vertical shaft, a support, a connecting piece, a connecting plate and a coupling, the output end of the swing cylinder is connected to one end of the vertical shaft through the coupling, the other end of the vertical shaft is equipped with a connecting piece, the connecting piece is connected to the first swing cylinder, the second swing cylinder is provided with a support installed on the end surface of one end of the vertical shaft, one end of the support is installed on the end surface of the second swing cylinder through a bolt group, and the other end is provided with the connecting plate, and the middle part of the connecting plate is connected to the vertical shaft through the bearing seat.

[0007] Optionally, a support seat is provided on the first swing cylinder, and the support seat is an L-shaped structure. One end of the support seat is connected to one end surface of the first swing cylinder through a bolt group, and the other end is provided with a plug connector, and the plug connector is provided with a bolt hole. A U-shaped connecting piece is provided in the horizontal swing device, and the plug connector is inserted into the middle groove of the connecting piece. The bolt passes through the bolt hole of the plug connector and the bolt hole of the connecting piece to install the plug connector and the connecting piece together.

[0008] Optionally, output shafts are symmetrically provided at both ends of the first swing cylinder, and the output shafts at both ends are respectively installed with a first flange and a second flange, the main telescopic cylinders are installed on the first flange and the second flange, and the output ends of the two main telescopic cylinders are provided with the grasping device.

[0009] Optionally, a guide device is provided on the main telescopic cylinder, and the guide device is used to guide the main telescopic cylinder to perform telescopic movement; the guide device includes a guide sleeve, a guide sleeve fixing plate, a guide rod and a clamping device fixing plate, and the guide sleeve fixing plate is installed on the end surface of one end of the main telescopic cylinder where the telescopic rod is provided through a bolt group, the end of the telescopic rod of the main telescopic cylinder is connected to the clamping device fixing plate, and the clamping device fixing plate is also connected to one end of the guide rod, and the other end of the guide rod is arranged in the guide sleeve, and the guide rod is parallel to the telescopic rod of the main telescopic cylinder.

[0010] Optionally, the gripping device includes a jaw assembly and a jaw control cylinder for driving the jaw assembly to open and close, the jaw control cylinder includes a front cylinder cover, a rear end cover, a hollow piston rod, a fixed rod and a cylinder barrel, the front cylinder cover and the rear end cover are respectively installed at both ends of the cylinder barrel, one end of the fixed rod is installed with the rear end cover located on a side inside the cylinder barrel, and the other end extends from the hollow piston rod and is installed with the jaw assembly.

[0011] Optionally, the clamping jaw assembly includes two arc-shaped plates, one end of which is mounted on the end of the fixed rod, a first hinge support is provided on the outer wall of the arc-shaped plate, and a second hinge support is provided on the outer wall of the hollow piston rod, one end of the connecting rod is movably connected to the first hinge support, and the other end is movably connected to the second hinge support, and the two arc-shaped plates are opened and closed away from one end of the fixed rod by the extension and retraction of the hollow piston rod; a negative pressure device is provided on the arc-shaped plate.

[0012] Optionally, the negative pressure device includes a negative pressure tube on the outer wall of the arc plate, the negative pressure tube is connected to the negative pressure cavity in the arc plate, micropores are provided on the inner wall of the arc plate, the micropores are connected to the negative pressure cavity, and one end of the negative pressure tube is connected to a vacuum pump.

[0013] In a second aspect, the present invention provides an installation method, which is implemented by using the automatic retainer grabbing and installing device according to any one of the first aspects, to install the open retainer located in the open retainer transmission area on the pipe in the open retainer installation area, comprising the following steps: A. The grabbing device at one end is located in the transmission area of ​​the opening guard ring, grabs the opening guard ring, and the grabbing device is in an open state. The gap of the opening guard ring is in an open state due to the opening of the grabbing device; B. The horizontal swing device rotates on the first plane, and the end with the open guard ring is grasped and located in the open guard ring installation work area; at this time, the grasping device at the other end is located in the open guard ring transmission area; C. Through the rotation of the first swing cylinder on the second plane, the notch of the opening guard ring on the grabbing device at one end of the opening guard ring installation area is parallel to the pipe. D. The main telescopic cylinder extends outward, the opening guard is sleeved on the outer wall of the pipe, the opening guard is separated from the grabbing device, and the gap on the opening guard is closed; Among them, in step B, the grabbing device at the other end is located in the opening guard ring transmission area, and the opening guard ring is grabbed by adjusting the first swing cylinder and the main telescopic cylinder. After step D is completed, the horizontal swing device is rotated on the first plane, and the grabbing devices at both ends are swapped, and the opening guard ring is installed and grabbed at both ends respectively.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention provides a grabbing device, wherein one grabbing device installs the opening guard ring while the other grabs the opening guard ring, and the position adjustment of the grabbing devices at both ends is achieved through a horizontal swing device and a first swing cylinder, and the position of the grabbing device is adjusted through a main telescopic cylinder, and the grabbing and installation of the opening guard ring are achieved at the same time, thereby improving the installation efficiency of the opening guard ring.

[0015] 2. The present invention arranges a negative pressure device on the grasping device to install the opening guard ring, thereby avoiding damage to the opening guard ring when grasping and installing the opening guard ring; the present invention also arranges a guide device at the output end of the main telescopic cylinder to avoid deviation of the output end of the main telescopic cylinder, and avoids the main telescopic cylinder from not rotating during repeated rotation of other mechanisms, thereby improving the installation accuracy of the opening guard ring. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic diagram of an automatic grabbing and installing device for a retaining ring installed on a workbench in an embodiment of the present invention; Figure 2 1 is a schematic diagram of the overall structure of the automatic grabbing and installing device for the retaining ring in an embodiment of the present invention; Figure 3 is a schematic structural diagram of a horizontal swing device in an embodiment of the present invention; Figure 4 is a schematic structural diagram of a first swing cylinder in an embodiment of the present invention; Figure 5 Schematic diagram of the structure of the main telescopic cylinder in the embodiment of the present invention Figure 6 Schematic diagram of the opening structure of the grab control cylinder and the grab assembly in an embodiment of the present invention; Figure 7 Schematic diagram of the closed structure of the grab control cylinder and the grab assembly in an embodiment of the present invention; Figure 8 Schematic diagram of the structure of the opening guard ring in the embodiment of the present invention.

[0017] Description of reference numerals: 1. Horizontal swing device; 11. Vertical axis; 12. Bearing seat; 13. Connecting plate; 14. Connecting piece; 15. Support; 16. Second swing cylinder; 17. Coupling; 2. Support seat; 21. Plug connector; 3. First swing cylinder; 31. First flange; 32. Second flange; 4. Main telescopic cylinder; 411. Guide sleeve fixing plate; 412. Clamping device fixing plate; 413. Guide sleeve; 414. Guide rod; 5 , jaw control cylinder; 51, front cylinder cover; 52, rear end cover; 53, hollow piston rod; 54, piston; 55, fixing rod; 56, first hinge support; 6, jaw assembly; 61, jaw; 62, negative pressure chamber; 63, micropore; 64, negative pressure tube; 65, second hinge support; 66, connecting rod; 7, opening guard ring; 71, notch; 81, workbench; 82, guard ring transmission device; 83, positioning block; 84, pipe. DETAILED DESCRIPTION

[0018] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is by no means intended to limit the present invention and its application or use. Example 1

[0019] This embodiment provides an automatic grabbing and installing device for a retainer, wherein the retainer is an open retainer 7, and a notch 71 is provided on the side wall, and comprises a horizontal swing device 1, a first swing cylinder 3, and a grabbing mechanism, wherein the horizontal swing device 1 is used to drive the grabbing mechanism to rotate on a first plane, and the first swing cylinder 3 is used to drive the grabbing mechanism to rotate on a second plane, and the second plane is perpendicular to the first plane; The grabbing mechanism is provided with two, and the two grabbing mechanisms are respectively installed at the two ends of the first swing cylinder 3, and are driven to rotate and adjust by the first swing cylinder 3, so that the two grabbing devices are in the same straight line; The grabbing mechanism comprises a main telescopic cylinder 4 and a grabbing device, wherein the main telescopic cylinder 4 is used to drive the grabbing device to perform telescopic movement on a first plane, and the grabbing device is used to grab the opening retaining ring 7; When the grabbing device at one end is located in the opening retaining ring 7 installation work area, the grabbing device at the other end is located in the opening retaining ring transmission area.

[0020] The rotation range of the horizontal swing device 1 on the first plane is 0-180°, and the rotation range of the first swing cylinder on the second plane is 0-90°.

[0021] like Figure 1 , Figure 2 , Figure 8 As shown, the grabbing mechanisms arranged at both ends of the first swing cylinder 3 are symmetrical with the horizontal swing device 1, and the grabbing mechanisms at both ends can grab the opening guard ring 7. When in use, the opening guard ring 7 is grabbed by one end located in the opening guard ring transmission area, and then the positions of the two ends are swapped by adjusting the horizontal swing device 1, and the end with the opening guard ring 7 is located in the opening guard ring installation area, and the opening guard ring 7 is installed, and the other end is located in the opening guard ring transmission area, and the opening guard ring 7 is grabbed. When installing the opening guard ring 7, the opening guard ring 7 on the grabbing device is aligned with the pipe 84 through the adjustment of the first swing cylinder 3 and the main telescopic cylinder 4. After the opening guard ring 7 at one end is installed on the pipe 84, the relative positions of the two grabbing mechanisms are continued to be adjusted to install the next opening guard ring 7. The installation and grabbing of the opening guard ring 7 are carried out simultaneously, which improves the installation efficiency of the opening guard ring 7. Example 2

[0022] This embodiment provides an automatic grabbing and installing device for a retaining ring based on the embodiment 1, except that: like Figure 3 As shown, the horizontal swing device 1 includes a second swing cylinder 16, and the second swing cylinder 16 is provided with a support 15 installed on one end face of the output shaft through a bolt group. The support 15 is a U-shaped structure, and a middle plate is provided with a circular hole for passing the output shaft. The ends of the two side plates are connected to the bottom of the connecting plate 13. A circular hole is opened in the middle of the connecting plate 13, and a bearing seat 12 is provided at the circular hole. The bearing seat 12 is connected to the vertical shaft 11, and the bottom of the vertical shaft 11 is connected to the output shaft of the second swing cylinder 16 through a coupling 17. A connecting piece 14 is installed on the top. The connecting piece 14 is a U-shaped structure, the middle plate is connected to the end of the vertical shaft 11, and bolt holes for installing the bolt group are provided on the two side plates.

[0023] like Figure 4 As described, a support base 2 is installed on the first swing cylinder 3. The support base 2 is an L-shaped structure. A circular hole is opened in the middle of the side plate of the L-shaped structure. Bolt holes are arranged on the outer periphery of the circular hole. The side plate is installed on one end face of the first swing cylinder 3 through a bolt group. The circular hole opened in the middle is used for passing the output shaft on the end face. A plug connector 21 is provided at the bottom of the support base 2, and a bolt hole is provided on the plug connector 21.

[0024] Output shafts are provided at both ends of the first swing cylinder 3 , and a first flange 31 and a second flange 32 are respectively mounted on the output shafts. The plug connector 21 on the support seat 2 is located in the middle of the first swing cylinder 3 .

[0025] The plug connector 21 is installed between the two side plates of the connecting member 14, and the plug connector 21 is installed on the connecting member 14 by a bolt group. The output shafts at both ends of the first swing cylinder 3 are arranged symmetrically with the output shaft of the second swing cylinder 16 as the center line.

[0026] like Figure 5 As shown, a guide sleeve fixing plate 411 is installed on one end face of the main telescopic cylinder 4 provided with an output shaft. The guide sleeve fixing plate 411 is a structure in which a large circle and a small circle are integrated. The small circle is arranged at the edge of the large circle. A circular hole for passing the output shaft of the main telescopic cylinder 4 is opened in the middle of the large circle. Bolt holes are arranged on the outer periphery of the circular hole. The large circle part is installed on the end face of the main telescopic cylinder 4 through the combination of a bolt group and the bolt hole. A guide sleeve 413 is arranged on the small circle. One end of a guide rod 414 is arranged in the guide sleeve 413, and the other end is connected to a clamping device fixing plate 412. The clamping device fixing plate 412 is also connected to the output shaft of the main telescopic cylinder 4. The guide rod 414 is parallel to the output shaft. The guide rod 414 moves in the guide sleeve 413 to achieve the guiding effect of the output shaft to perform telescopic movement, and at the same time, the stability of the output shaft telescopic movement is also improved.

[0027] Two main telescopic cylinders 4 are provided, and the end surfaces of the two main telescopic cylinders 4 without output shafts are respectively mounted on the first flange 31 and the second flange 32 at the two ends of the first swing cylinder 3 through bolt groups.

[0028] like Figure 6 , Figure 7 As shown, the gripping device includes a gripper control cylinder 5 and a gripper assembly 6. The gripper control cylinder 5 includes a cylinder barrel, a hollow piston rod 53 and a piston 54. The piston 54 is arranged in the cylinder barrel. One end of the hollow piston rod 53 is connected to the piston 54, and the other end extends out of the cylinder barrel. A fixing rod 55 is also arranged in the cylinder barrel. The other end of the fixing rod 55 passes through the hollow piston rod 53 and extends out from the outer end of the hollow piston rod 53. The gripper assembly 6 is installed at the extended end of the fixing rod 55. A front cylinder cover 51 and a rear end cover 52 are respectively arranged at both ends of the cylinder barrel. A long bolt rod is also arranged between the front cylinder cover 51 and the rear end cover 52 to improve the stability of the cylinder barrel when working. The gripper assembly 6 includes a gripper 61, which is composed of two arc-shaped plates. One end of the two arc-shaped plates is installed at the end of the fixing rod 55 through a pin, and the other end forms the opening of the gripper 61. The outer walls of the two arc-shaped plates are provided with a first hinge support 56, which is pin-connected to a second hinge support 65 on the side wall of the hollow piston rod 53 through a connecting rod 66. A negative pressure device is also provided on the clamping jaw 61, which includes a negative pressure chamber 62 provided in the arc-shaped plate, which is connected to a vacuum pump through a negative pressure pipe 64 provided on the outer wall of the arc-shaped plate, and a plurality of micropores 63 arranged evenly are provided on the inner wall of the arc-shaped plate, which are connected to the negative pressure chamber 62. The negative pressure is formed on the inner wall of the arc-shaped plate by the action of the vacuum pump on the negative pressure chamber 62, so that the opening guard ring 7 can be adsorbed on the inner wall of the arc-shaped plate.

[0029] There are two clamping jaw control cylinders 5, which are respectively mounted on the clamping device fixing plates 412 on the two main telescopic cylinders 4 through the rear end covers 52 and bolt groups thereon, and the clamping jaws at both ends are symmetrical with the first swing cylinder 3 in the middle.

[0030] Each clamp control cylinder 5 is equipped with a clamp assembly 6. The clamp assembly 6 is opened and closed by the clamp control cylinder 5, axial extension is achieved by the main extension cylinder 4, and 0-90 degree rotation is achieved by the first swing cylinder 3. When in use, the clamp on the clamp assembly 6 has two states, one is that the opening is perpendicular to the pipe 84, and the other is that the opening is parallel to the pipe 84. The clamp is driven by the first swing cylinder 3 to achieve the conversion of the clamp in these two states. The clamp at both ends is driven by the second swing cylinder 16 to achieve the conversion between the opening guard ring transportation area and the opening guard ring installation area.

[0031] like Figure 1 , Figure 3 As shown, the connecting plate 13 is installed on the workbench 81 by a bolt group, and a retaining ring transmission device 82 and a positioning block 83 are respectively installed near both ends of the workbench 81. There are two positioning blocks 83, and a groove is provided on the end face of the positioning block 83. The groove is used to place the pipe 84, and the pipe 84 is supported at a certain height by the two positioning blocks 83.

[0032] The automatic grabbing and installing device for the retainer provided in this embodiment is located between the retainer transmission device 82 and the positioning block 83. The retainer transmission device 82 is located in the open retainer transmission area, and the positioning block 83 and the pipe 84 thereon are located in the open retainer installation area. The grabbing devices at both ends of the device are respectively located at one end of the device provided with the open retainer 7 to grab the open retainer 7, and are located at the end provided with the pipe 84 to install the open retainer 7.

[0033] like Figure 8 As shown, the opening guard ring 7 is cylindrical, and a notch 71 is provided on the side of the opening guard ring 7 .

[0034] When the opening guard ring 7 is installed on the clamping jaw, the notch 71 of the opening guard ring 7 is arranged at the opening end of the clamping jaw, and the opening of the opening guard ring 7 is achieved by opening the clamping jaw.

[0035] The automatic grabbing and installing device for the retaining ring provided in the present embodiment is provided with two clamping jaw assemblies 6 at the left and right ends, and the clamping jaw assemblies 6 at the two ends correspond to the retaining ring transmission device 82 and the pipe 84 on the platform respectively. When the clamping jaw assembly 6 at one end installs the opening retaining ring 7 on the pipe 84, the clamping jaw assembly 6 at the other end can grab the opening retaining ring 7 from the retaining ring transmission device 82, and the clamping jaw assemblies 6 at the left and right ends are located on the same straight line. The second swing cylinder 16 provided in the middle part is rotated 180 degrees to realize the swapping of the clamping jaw assemblies 6 at the two ends, thereby realizing the continuous installation of the opening retaining ring 7 and improving the installation efficiency. Example 3

[0036] This embodiment provides an installation method, which is implemented by using the automatic grabbing and installation device for the retaining ring in Embodiment 1 or Embodiment 2, and includes the following steps: A. The grabbing device at one end is located in the transmission area of ​​the opening retaining ring, grabs the opening retaining ring 7, and the grabbing device is in an open state. The notch 71 of the opening retaining ring 7 is in an open state due to the opening of the grabbing device; B. The horizontal swing device 1 rotates on the first plane, and the end with the opening guard ring 7 is grasped and located in the opening guard ring 7 installation work area; at this time, the grasping device at the other end is located in the opening guard ring transmission area; C. Through the rotation of the first swing cylinder 3 on the second plane, the notch 71 of the opening retainer 7 on the grabbing device at one end of the opening retainer installation area is parallel to the pipe 84; D. The main telescopic cylinder 4 is extended outward, the opening guard ring 7 is sleeved on the outer wall of the pipe 84, the opening guard ring 7 is separated from the grasping device, and the notch 71 on the opening guard ring 7 is closed; Among them, in step B, the grabbing device at the other end is located in the opening guard ring transmission area, and the opening guard ring 7 is grabbed by adjusting the first swing cylinder 3 and the main telescopic cylinder 4. After step D is completed, the horizontal swing device 1 is rotated on the first plane, and the grabbing devices at both ends are swapped, and the opening guard ring 7 is installed and grabbed at both ends respectively.

[0037] In the above step A, the grasping device at one end is located in the transmission area of ​​the opening guard ring. By adjusting the first swing cylinder 3, the opening of the grasping device is aligned with the end of the opening guard ring 7 away from the notch 71, and then the main telescopic cylinder 4 on this end is extended outward, so that the opening guard ring 7 is located in the grasping device, and the grasping of the opening guard ring 7 is completed. During this process, the grasping device at the other end performs steps C and D to complete the installation of the opening guard ring 7.

[0038] The grabbing devices at both ends grab and install the opening guard ring 7 at the same time, and the positions of the two ends are swapped through the horizontal swing device 1, and the installation and grabbing of the opening guard ring 7 are continued. When installing the opening guard ring 7, there is no need to wait for grabbing the opening guard ring 7, which shortens the installation time and improves the installation efficiency.

[0039] While one of the grasping devices at both ends grasps the opening retaining ring 7, the grasping device at the other end installs the opening retaining ring 7, and the corresponding working areas of the grasping devices at both ends for grasping and installing the opening retaining ring 7 are located in a straight line.

[0040] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and the like are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", and the like may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more. In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0041] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A device for automatically grabbing and installing a retaining ring, wherein the retaining ring is an open retaining ring with a notch on the side wall, characterized in that: It comprises a horizontal swing device, a first swing cylinder, and a grabbing mechanism, wherein the horizontal swing device is used to drive the grabbing mechanism to rotate on a first plane, and the first swing cylinder is used to drive the grabbing mechanism to rotate on a second plane, and the second plane is perpendicular to the first plane; The grabbing mechanism is provided with two, and the two grabbing mechanisms are respectively installed at the two ends of the first swing cylinder, and are driven to rotate and adjust by the first swing cylinder, so that the two grabbing devices are in the same straight line; The grabbing mechanism comprises a main telescopic cylinder and a grabbing device, wherein the main telescopic cylinder is used to drive the grabbing device to perform telescopic movement on a first plane, and the grabbing device is used to grab the opening retaining ring; When the grabbing device at one end is located in the opening retainer installation area, the grabbing device at the other end is located in the opening retainer transmission area.

2. The automatic grabbing and installing device for the retaining ring according to claim 1 is characterized in that: The horizontal swing device is installed on a workbench, and an open guard ring transmission device and a positioning block are provided on the workbench. The open guard ring transmission device is located in the open guard ring transmission area, the open guard ring is provided on the open guard ring transmission device, and the pipe is provided on the positioning block. The positioning block and the pipe are located in the open guard ring installation area, and the horizontal swing device is installed between the guard ring transmission device and the positioning block.

3. The automatic grabbing and installing device for the retaining ring according to claim 1 is characterized in that: The horizontal swing device includes a second swing cylinder, a vertical shaft, a support, a connecting piece, a connecting plate and a coupling. The output end of the swing cylinder is connected to one end of the vertical shaft through the coupling. The other end of the vertical shaft is equipped with a connecting piece, and the connecting piece is connected to the first swing cylinder. The second swing cylinder is provided with a support installed on the end surface of one end of the vertical shaft. One end of the support is installed on the end surface of the second swing cylinder through a bolt group, and the other end is provided with the connecting plate. The middle part of the connecting plate is connected to the vertical shaft through the bearing seat.

4. The automatic grabbing and installing device for the retaining ring according to claim 1 is characterized in that: A support seat is provided on the first swing cylinder, and the support seat is an L-shaped structure. One end of the support seat is connected to one end surface of the first swing cylinder through a bolt group, and a plug connector is provided on the other end. The plug connector is provided with a bolt hole. A connecting piece with a U-shaped structure is provided in the horizontal swing device. The plug connector is inserted into the middle groove of the connecting piece, and the bolt passes through the bolt hole of the plug connector and the bolt hole of the connecting piece to install the plug connector and the connecting piece together.

5. The automatic grabbing and installing device for the retaining ring according to claim 1 is characterized in that: Output shafts are symmetrically provided at both ends of the first swing cylinder, and the output shafts at both ends are respectively installed with a first flange and a second flange, and the main telescopic cylinders are installed on the first flange and the second flange, and the output ends of the two main telescopic cylinders are provided with the grasping device.

6. The automatic grabbing and installing device for the retaining ring according to claim 1 is characterized in that: The main telescopic cylinder is provided with a guide device, and the guide device is used for guiding the main telescopic cylinder to perform telescopic movement; the guide device comprises a guide sleeve, a guide sleeve fixing plate, a guide rod and a clamping device fixing plate, and the guide sleeve fixing plate is installed on the end surface of one end of the main telescopic cylinder provided with a telescopic rod through a bolt group, the end of the telescopic rod of the main telescopic cylinder is connected to the clamping device fixing plate, and the clamping device fixing plate is also connected to one end of the guide rod, and the other end of the guide rod is arranged in the guide sleeve, and the guide rod is parallel to the telescopic rod of the main telescopic cylinder.

7. The automatic grabbing and installing device for the retaining ring according to claim 1 is characterized in that: The gripping device includes a jaw assembly and a jaw control cylinder for driving the jaw assembly to open and close, the jaw control cylinder includes a front cylinder cover, a rear end cover, a hollow piston rod, a fixed rod and a cylinder barrel, the front cylinder cover and the rear end cover are respectively installed at both ends of the cylinder barrel, one end of the fixed rod is installed with the rear end cover on a surface located inside the cylinder barrel, and the other end extends from the hollow piston rod and is installed with the jaw assembly.

8. The automatic grabbing and installing device for the retaining ring according to claim 7, characterized in that: The clamping jaw assembly includes two arc-shaped plates, one end of which is installed on the end of the fixed rod, a first hinge support is provided on the outer wall of the arc-shaped plate, and a second hinge support is provided on the outer wall of the hollow piston rod. One end of the connecting rod is movably connected to the first hinge support, and the other end is movably connected to the second hinge support. The two arc-shaped plates are opened and closed away from one end of the fixed rod by the extension and retraction of the hollow piston rod; a negative pressure device is provided on the arc-shaped plate.

9. The automatic grabbing and installing device for the retaining ring according to claim 8, characterized in that: The negative pressure device includes a negative pressure tube on the outer wall of the arc plate, the negative pressure tube is connected to the negative pressure cavity in the arc plate, micropores are provided on the inner wall of the arc plate, the micropores are connected to the negative pressure cavity, and one end of the negative pressure tube is connected to a vacuum pump.

10. An installation method, characterized in that: The automatic grabbing and installing device for the retainer according to any one of claims 1 to 9 is used to install the open retainer located in the open retainer transmission area on the pipe in the open retainer installation area, including the following steps: A. The grabbing device at one end is located in the transmission area of ​​the opening guard ring, grabs the opening guard ring, and the grabbing device is in an open state. The gap of the opening guard ring is in an open state due to the opening of the grabbing device; B. The horizontal swing device rotates on the first plane, and the end with the open guard ring is grasped and located in the open guard ring installation work area; at this time, the grasping device at the other end is located in the open guard ring transmission area; C. Through the rotation of the first swing cylinder on the second plane, the notch of the opening guard ring on the grabbing device at one end of the opening guard ring installation area is parallel to the pipe. D. The main telescopic cylinder extends outward, the opening guard is sleeved on the outer wall of the pipe, the opening guard is separated from the grabbing device, and the gap on the opening guard is closed; Among them, in step B, the grabbing device at the other end is located in the opening guard ring transmission area, and the opening guard ring is grabbed by adjusting the first swing cylinder and the main telescopic cylinder. After step D is completed, the horizontal swing device is rotated on the first plane, and the grabbing devices at both ends are swapped, and the opening guard ring is installed and grabbed at both ends respectively.

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