A linkage assembly for an electric actuator

Abstract

The utility model discloses a connecting rod assembly device of electric actuator relates to assembly device technical field, and connecting rod assembly device includes the material tray and press respectively arranged at the top of main frame, and the material tray is placed above the workbench of press, and the top of material tray is equipped with positioning groove and temporary deposit groove at intervals, and the stamping end of press is connected with the upper end of pressure head mechanism through the transfer mechanism, and the pressure head mechanism is placed above material tray and is opposite distribution with material tray, and the lower end of pressure head mechanism is equipped with floating positioning head, and the lower end surface of pressure head mechanism is equipped with adsorption hole and avoidance groove at intervals, and adsorption hole is connected with suction device through the gas pipe joint of setting in the middle part of pressure head mechanism. The utility model discloses through the cooperation of material tray, press, transfer mechanism and pressure head mechanism, can assemble the connecting rod on the upper cover subassembly, effectively reduces the time and cost of manual operation, improves work efficiency, and reduces assembly difficulty.

Description

Technical Field

[0001] This utility model relates to the field of assembly device technology, specifically to a linkage assembly device for an electric actuator. Background Technology

[0002] Electric actuators convert their own energy into mechanical motion, with the final output being rotary mechanical motion. Please refer to [link / reference]. Figure 1 As shown, there is an electric actuator including an upper cover assembly 7 and a lower cover assembly 8.

[0003] The upper cover assembly 7 includes an upper cover 71, a sector gear 72, an upper gear 73, and a connecting rod 74. The upper cover 71 is a hollow cavity with an open lower end. The sector gear 72 is rotatably mounted inside the upper cover 71. The shaft 721 of the sector gear 72 is vertically mounted, and its upper end is connected to the upper cover 71 via a bearing, extending outside the upper cover 71. The connecting rod 74 is located outside the upper cover 71, with one end connected to the upper end of the shaft 721 via a shaft connection hole, and the other end of the connecting rod 74 having an eccentric rod 741. The upper gear 73 is located inside the upper cover 71 and meshes with the sector gear 72.

[0004] The lower cover assembly 8 includes a lower cover, a lower gear, and a motor. The lower cover is a hollow cavity with an open top. The lower gear is rotatably disposed within the lower cover and is adapted to mesh with the upper gear 73. The motor is disposed within the lower cover and is adapted to drive the lower gear to rotate.

[0005] The assembly steps of the electric actuator are as follows: assembling the sector gear 72 and the upper gear 73 on the upper cover 71 to obtain a semi-finished product 7a; assembling the connecting rod 74 on the upper end of the rotating shaft 721 of the semi-finished product 7a to obtain the upper cover assembly 7; assembling the lower gear and the motor on the lower cover to obtain the lower cover assembly 8; and pressing the upper cover assembly 7 onto the lower cover assembly 8.

[0006] The presence of an eccentric rod 741 on the connecting rod 74 increases the difficulty of assembling the connecting rod 74 onto the rotating shaft 721. Currently, there is a lack of a suitable connecting rod assembly device in the prior art. Utility Model Content

[0007] This utility model proposes a linkage assembly device for an electric actuator to solve the problems of high assembly difficulty and low work efficiency in assembling the linkage onto the rotating shaft.

[0008] The present invention discloses a linkage assembly device for an electric actuator, comprising a material tray and a press respectively disposed on the top of the main frame; The material tray is placed above the press workbench; the top of the material tray is provided with a positioning groove for accommodating the upper cover assembly and a temporary placement groove for accommodating the connecting rod. The pressing end of the press is connected to the fixed end of the transfer mechanism via a transfer frame; the driving end of the transfer mechanism is connected to the upper end of the pressing head mechanism to drive the pressing head mechanism to move horizontally; the pressing head mechanism is placed above the material tray and is distributed opposite to the material tray. The lower end of the pressure head mechanism is provided with a floating positioning head, which is suitable for cooperating with the rotating shaft connection hole on the connecting rod; the lower end face of the pressure head mechanism is provided with an adsorption hole and a clearance groove spaced apart; the adsorption hole is connected to the air extraction device through an air pipe joint set in the middle of the pressure head mechanism; the clearance groove is suitable for avoiding the eccentric rod on the connecting rod. The control mechanism mounted on the main frame is adapted to drive the adsorption holes to adsorb or de-adsorb the top surface of the connecting rod via the air extraction device. Through the cooperation of the material tray, press, transfer mechanism, and pressure head mechanism, the connecting rod can be assembled onto the upper cover assembly, effectively reducing manual operation time and costs, improving work efficiency, and lowering assembly difficulty.

[0009] Optionally, the pressure head mechanism includes a connecting rod pressure head, a floating positioning head, and the air pipe connector; The connecting rod pressure head is vertically arranged, and its upper end is connected to the drive end of the transfer mechanism; the adsorption hole and the clearance groove are respectively opened on the lower end face of the connecting rod pressure head; The floating positioning head is vertically and slidably disposed in the axial center hole of the connecting rod pressure head; a reset elastic element is provided between the connecting rod pressure head and the floating positioning head, and the reset elastic element is placed in the axial center hole of the connecting rod pressure head; The air pipe connector is located in the middle of the connecting rod pressure head. Using the above scheme, a floating positioning head is provided to allow the pressure head mechanism to effectively position the connecting rod.

[0010] Optionally, the axial center hole of the connecting rod pressure head includes a large diameter section, a medium diameter section, and a small diameter section connected sequentially from top to bottom; The floating positioning head includes a rod and a limiting cover plate disposed at the upper end of the rod; The rod is adapted to slide with the small diameter section, and the limiting cover is adapted to slide with the large diameter section; The reset elastic element is placed inside the large diameter section; the upper end of the reset elastic element abuts against the connecting rod pressure head through a screw plug, and its lower end is connected to the top surface of the limiting cover plate. The lower end face of the limiting cover plate and the inner wall of the middle diameter section form a gas channel; the lower end of the gas channel is connected to the upper end of the adsorption hole, and the gas pipe connector is connected to the gas channel. Using the above scheme, the gas channel is formed by the inner wall of the middle diameter section and the lower end face of the limiting cover plate, allowing the gas pipe connector to connect to the adsorption hole through the gas channel.

[0011] Optionally, the lower end of the connecting rod pressure head is provided with a positioning tip, which is adapted to cooperate with the groove on the top of the rotating shaft.

[0012] Optionally, the pressure head mechanism further includes a rotary drive module; the fixed end of the rotary drive module is connected to the drive end of the transfer mechanism, and the drive end of the rotary drive module is connected to the upper end of the connecting rod pressure head. This design improves the adaptability of the pressure head mechanism.

[0013] Optionally, the fixed end of the rotary drive module is connected to the drive end of the transfer mechanism via a connecting plate; The connecting plate is provided with a transmission assembly, which includes a driving wheel, a driven wheel, and a transmission belt; the driving wheel is mounted on the connecting plate through a bearing seat and is connected to the driving end of the rotary drive module; the driven wheel is mounted on the connecting plate through a bearing seat and is connected to the upper end of the connecting rod pressure head. The driving wheel and the driven wheel are driven by the transmission belt.

[0014] Optionally, the transfer mechanism includes the transfer frame, transfer slide rail, connecting plate, and transfer drive module; The transfer slide rail is disposed at the bottom of the transfer frame and extends along the first horizontal direction; The connecting plate is slidably connected to the transfer slide rail via a slider; The fixed end of the transfer drive module is mounted on the transfer frame, and its drive end is connected to the connecting plate; the lower end of the connecting plate is connected to the pressure head mechanism.

[0015] Optionally, both ends of the transfer frame are equipped with buffers and limiting bolts, which are adapted to abut against the side walls of the connecting plate, respectively. This design ensures that the connecting plate can be smoothly stopped.

[0016] Optionally, the material pallet is connected to the main frame via a multi-station turntable; The multi-station turntable includes a turntable body and a turntable drive module; The turntable body is mounted on top of the main frame via the turntable drive module; The material tray is detachably mounted on the turntable body.

[0017] Optionally, the material pallet includes a top plate, uprights, and a bottom plate arranged sequentially from top to bottom; The base plate is mounted on the main frame; The column is vertically installed on the top of the base plate; The top plate is slidably mounted on the column. The positioning groove and the temporary placement groove are formed on the top of the top plate; A support spring is connected between the top plate and the bottom plate, and the support spring is sleeved on the column; A support column is provided at the bottom of the top plate; the lower end of the support column passes through the bottom plate and is adapted to abut against the worktable of the press.

[0018] By adopting the above technical solution, this utility model has the following beneficial effects compared with the prior art: By coordinating the material pallet, press, transfer mechanism and pressing head mechanism, the connecting rod can be assembled on the upper cover assembly, effectively reducing the time and cost of manual operation and improving work efficiency; By setting a floating positioning head, the pressure head mechanism can effectively position the connecting rod; A gas channel is formed by the inner wall of the middle diameter section and the lower end face of the limiting cover plate, so that the gas pipe connector can be connected to the adsorption hole through the gas channel. The adaptability of the device is improved by adding a rotary drive module; The support column and the press worktable are engaged to protect the multi-station turntable and extend its service life.

[0019] The above description of the disclosed content and the following description of the embodiments are intended to demonstrate and explain the spirit and principle of the present invention, and to provide a further explanation of the scope of the patent application of the present invention. Attached Figure Description

[0020] The specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings.

[0021] Figure 1 This is a schematic diagram of the electric actuator in this utility model; Figure 2 This is a schematic diagram of the upper cover assembly in this utility model; Figure 3 This is a schematic diagram (a) of the connecting rod assembly device in this utility model; Figure 4 This is a partial structural schematic diagram of the connecting rod assembly device in this utility model; Figure 5 This is a schematic diagram (a) of the material tray in this utility model; Figure 6 This is a schematic diagram showing the semi-finished product and connecting rod placed in a material tray in this utility model; Figure 7 This is an exploded view of the pressure head mechanism in this utility model; Figure 8 This is a cross-sectional schematic diagram of the pressure head mechanism in this utility model; Figure 9 This is a schematic diagram of the pressure head mechanism in this utility model; Figure 10 This is a schematic diagram (II) of the connecting rod assembly device in this utility model; Figure 11 This is a schematic diagram (II) of the material tray in this utility model.

[0022] Explanation of icon numbers: 1. Main unit rack; 2. Material pallet; 21. Top plate; 211. Positioning slot; 212. Temporary storage slot; 22. Upright; 23. Base plate; 24. Support spring; 25. Support column; 3. Press; 4. Transfer mechanism; 41. Transfer frame; 42. Transfer slide rail; 43. Connecting plate; 44. Transfer drive module; 45. Buffer; 46. Limit bolt; 5. Press head mechanism; 51. Linkage press head; 511. Adsorption hole; 512. Clearance groove; 52. Floating positioning head; 521. Rod body; 522. Limiting cover plate; 53. Air pipe connector; 54. Reset elastic element; 55. Screw plug; 56. Gas channel; 57. Rotary drive module; 58. Transmission assembly; 6. Multi-station turntable; 61. Turntable body; 62. Turntable drive module; 7. Top cover assembly; 7a. Semi-finished product; 71. Top cover; 72. Sector gear; 721. Rotating shaft; 73. Upper gear; 74. Connecting rod; 741. Eccentric rod; 8. Lower cover assembly. Detailed Implementation

[0023] The following specific embodiments illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. Although the description of this utility model will be presented in conjunction with preferred embodiments, this does not mean that the features of this utility model are limited to this embodiment. On the contrary, the purpose of describing the utility model in conjunction with the embodiments is to cover other options or modifications that may be derived based on the claims of this utility model. To provide a deep understanding of this utility model, many specific details will be included in the following description. This utility model may also be implemented without using these details. Furthermore, to avoid confusion or obscuring the focus of this utility model, some specific details will be omitted in the description. It should be noted that, unless otherwise specified, the embodiments and features in the embodiments of this utility model can be combined with each other.

[0024] In the description of this embodiment, it should be noted that the terms "upper", "lower", "inner", "bottom", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship that the utility model product is usually placed in during use. They are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the utility model.

[0025] The terms “first”, “second”, etc., are used only to distinguish descriptions and should not be interpreted as indicating or implying relative importance.

[0026] In the description of this embodiment, it should also be noted that, unless otherwise explicitly specified and limited, the terms "provided with," "set up," "connected," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this embodiment based on the specific circumstances.

[0027] Example 1 This embodiment provides a linkage assembly device for an electric actuator, used to assemble the linkage 74 onto the semi-finished product 7a of the electric actuator to obtain the top cover assembly 7.

[0028] For this embodiment, please refer to Figures 1-2 As shown, the electric actuator includes an upper cover assembly 7 and a lower cover assembly 8 that are interlocked. The assembly sequence of the electric actuator is as follows: first, the components constituting the electric actuator are assembled into the upper cover assembly 7 and the lower cover assembly 8, and then the upper cover assembly 7 is pressed onto the lower cover assembly 8.

[0029] The upper cover assembly 7 includes an upper cover 71, a sector gear 72, an upper gear 73, and a connecting rod 74. The upper cover 71 is a hollow cavity with an open lower end. The sector gear 72 is located within the cavity of the upper cover 71. The rotating shaft 721 of the sector gear 72 is vertically mounted inside the upper cover 71, with its upper end connected to the upper cover 71 via a bearing and extending outside the upper cover 71. The connecting rod 74 is located outside the upper cover 71, with one end connected to the upper end of the rotating shaft 721 via a shaft connection hole, and the other end of the connecting rod 74 having an eccentric rod 741. The upper gear 73 is located inside the upper cover 71 and meshes with the sector gear 72.

[0030] The assembly steps of the upper cover assembly 7 are as follows: assemble the sector gear 72 and the upper gear 73 onto the upper cover 71 to obtain the semi-finished product 7a; assemble the connecting rod 74 onto the upper end of the rotating shaft 721 of the semi-finished product 7a to obtain the upper cover assembly 7.

[0031] In this embodiment, the connecting rod assembly device is used to assemble the connecting rod 74 onto the upper end of the rotating shaft 721 of the semi-finished product 7a.

[0032] Please see Figures 3-4 As shown, the connecting rod assembly device includes a main frame 1, a material tray 2, a press 3, a transfer mechanism 4, a pressing head mechanism 5, and a control mechanism. The material tray 2 and the press 3 are respectively located on top of the main frame 1. The material tray 2 is positioned above the worktable of the press 3.

[0033] Please see Figures 5-6 As shown, the top of the material tray 2 is provided with a positioning groove 211 and a temporary placement groove 212 spaced apart. The positioning groove 211 is used to accommodate the top cover assembly 7 and the semi-finished product 7a. The temporary placement groove 212 is used to accommodate the connecting rod 74.

[0034] Please see Figures 3-4 As shown, the stamping end of the press 3 is connected to the fixed end of the transfer mechanism 4 via the transfer frame 41. The driving end of the transfer mechanism 4 is connected to the upper end of the pressing head mechanism 5 to drive the pressing head mechanism 5 to move horizontally. The pressing head mechanism 5 is positioned above the material tray 2 and is distributed opposite to the material tray 2.

[0035] The pressure head mechanism 5 is vertically positioned. Please refer to [link / reference]. Figure 7 and Figure 8 As shown, the lower end of the pressure head mechanism 5 is provided with a floating positioning head 52, which is suitable for cooperating with the rotating shaft connection hole on the connecting rod 74. The lower end face of the pressure head mechanism 5 is provided with an adsorption hole 511 and a clearance groove 512 spaced apart. The middle part of the pressure head mechanism 5 is provided with an air pipe connector 53. The adsorption hole 511 is connected to the air extraction device through the air pipe connector 53. The clearance groove 512 is suitable for avoiding the eccentric rod 741 on the connecting rod 74.

[0036] The control mechanism is mounted on the main frame 1. The control mechanism includes a controller and a control panel. Both the controller and control panel are existing technologies and will not be described in detail. The controller is electrically connected to the press 3, the transfer mechanism 4, and the press head mechanism 5, respectively. The control mechanism is adapted to drive the adsorption holes 511 through the air extraction device to adsorb or de-adsorb on the top surface of the connecting rod 74.

[0037] The steps for assembling connecting rod 74 onto rotating shaft 721 are as follows: Workers are loading materials. Specifically, the semi-finished product 7a is placed in the positioning slot 211, and the connecting rod 74 is placed in the temporary storage slot 212 (e.g., ...). Figure 6 (As shown). The upper cover 71 is placed with its opening facing downwards within the positioning groove 211. The positioning groove 211 has a shaft mounting hole that mates with the lower end of the shaft 721 of the sector gear 72. The positioning groove 211 also has a mounting rod that mates with the axial center hole of the upper gear 73. The sidewall of the positioning groove 211 is adapted to limit the lower edge protrusion of the upper cover 71.

[0038] Subsequently, the control mechanism drives the floating positioning head 52 to be inserted into the shaft connection hole of the connecting rod 74 through the transfer mechanism 4 and the press 3, and the eccentric rod 741 is placed in the clearance groove 512. The control mechanism drives the suction hole 511 to adsorb the top surface of the connecting rod 74 through the air extraction device; The control mechanism drives the pressure head mechanism 5 through the transfer mechanism 4 and the press 3 to transfer the connecting rod 74 to the top of the positioning groove 211, so that the connecting rod 74 is relatively distributed with the semi-finished product 7a placed in the positioning groove 211. The control mechanism drives the press head mechanism 5 to descend via the press 3. The press head mechanism 5 presses the connecting rod 74 onto the rotating shaft 721 to form the upper cover assembly 7. At this time, the connecting rod 74 and the upper cover assembly 7 are interference-fitted.

[0039] Subsequently, the control mechanism first drives the adsorption hole 511 through the air extraction device to release the adsorption on the top surface of the connecting rod 74. Then, the control mechanism drives the press 3, the transfer mechanism 4 and the pressure head mechanism 5 to reset so that the pressure head mechanism 5 is away from the upper cover assembly 7.

[0040] During the pressing of the connecting rod 74 onto the rotating shaft 721, a C-shaped limiting block is provided in the positioning groove 211 to prevent relative rotation between the connecting rod 74 and the sector gear 72. This C-shaped limiting block is used to limit the sector gear 72 and prevent it from rotating inside the upper cover 71.

[0041] In this embodiment, the edge of the positioning groove 211 is provided with an avoidance notch so that the staff can take the upper cover assembly 7 out of the positioning groove 211.

[0042] Please see Figure 4 As shown, the press 3 includes a C-shaped frame and a lifting drive module. The C-shaped frame is located on top of the main frame 1. The lifting drive module is a linear drive module, and its stamping end is connected to the transfer frame 41. The lifting drive module is suitable for driving the transfer frame 41 to move up and down.

[0043] Furthermore, in order to ensure that the lifting drive module can drive the transfer frame 41 to lift smoothly, the transfer frame 41 and the C-shaped frame are provided with mutually cooperating slide rails and sliders.

[0044] Please see Figures 3-4As shown, the transfer mechanism 4 includes a transfer frame 41, a transfer slide rail 42, a connecting plate 43, and a transfer drive module 44. The transfer frame 41 is positioned below the lifting drive module. The transfer slide rail 42 is located at the bottom of the transfer frame 41 and extends along a first horizontal direction. The connecting plate 43 is slidably connected to the transfer slide rail 42 via a slider. The transfer drive module 44 is a linear drive module that extends along the first horizontal direction. The fixed end of the transfer drive module 44 is located on the transfer frame 41, and its driving end is connected to the connecting plate 43. The transfer drive module 44 is adapted to drive the connecting plate 43 to move along the first horizontal direction.

[0045] In this embodiment, the positioning groove 211 and the temporary placement groove 212 are distributed at intervals along the first horizontal direction.

[0046] In this embodiment, in order to limit the connecting plate 43 in the first horizontal direction, both ends of the transfer frame 41 are provided with buffers 45 and limiting bolts 46. The buffers 45 extend along the first horizontal direction and are adapted to abut against the sidewalls of the connecting plate 43. The limiting bolts 46 extend along the first horizontal direction and are adapted to abut against the sidewalls of the connecting plate 43.

[0047] Please see Figure 3 , Figure 7 and Figure 8 As shown, the pressure head mechanism 5 is installed at the lower end of the connecting plate 43. The pressure head mechanism 5 includes a connecting rod pressure head 51, a floating positioning head 52, and an air pipe connector 53. The connecting rod pressure head 51 is vertically arranged, and its upper end is connected to the connecting plate 43. The adsorption hole 511 and the clearance groove 512 are respectively opened on the lower end face of the connecting rod pressure head 51. The floating positioning head 52 is vertically and slidably arranged in the axial center hole of the connecting rod pressure head 51. A reset elastic element 54 is provided between the connecting rod pressure head 51 and the floating positioning head 52. The reset elastic element 54 is placed in the axial center hole of the connecting rod pressure head 51. The air pipe connector 53 is arranged in the middle of the connecting rod pressure head 51.

[0048] For further details, please refer to Figure 8 As shown, the axial center hole of the connecting rod pressure head 51 includes a large-diameter section, a medium-diameter section, and a small-diameter section connected sequentially from top to bottom. The floating positioning head 52 includes a rod body 521 and a limiting cover plate 522. The limiting cover plate 522 is disposed at the upper end of the rod body 521. The rod body 521 is adapted to slide with the small-diameter section. The limiting cover plate 522 is adapted to slide with the large-diameter section. The reset elastic element 54 is placed inside the large-diameter section. The upper end of the reset elastic element 54 abuts against the connecting rod pressure head 51 through a screw plug 55, and the lower end of the reset elastic element 54 is connected to the top surface of the limiting cover plate 522. The lower end surface of the limiting cover plate 522 and the inner wall of the medium-diameter section enclose a gas channel 56. The lower end of the gas channel 56 is connected to the upper end of the adsorption hole 511. The gas pipe connector 53 is connected to the gas channel 56.

[0049] In this embodiment, the adsorption holes 511 are vertically arranged. There are multiple adsorption holes 511, which are distributed at intervals around the outer periphery of the axial central hole of the connecting rod pressure head 51.

[0050] Furthermore, the lower end of the connecting rod pressure head 51 is provided with a positioning post and a positioning tip. The positioning post is adapted to mate with the shaft connection hole on the connecting rod 74. The positioning tip is located at the lower end of the positioning post and is adapted to mate with the groove on the top of the shaft 721.

[0051] The control mechanism is electrically connected to the press 3, the transfer drive module 44 and the air extraction device respectively.

[0052] The working principle of the connecting rod assembly device is as follows: The workers placed the semi-finished product 7a in the positioning groove 211 and the connecting rod 74 in the temporary placement groove 212; The operator starts the connecting rod assembly device via the control panel. The control mechanism drives the transfer frame 41 to move horizontally through the transfer drive module 44, so that the transfer frame 41 moves the connecting rod pressure head 51 directly above the temporary placement slot 212. At this time, the reset elastic element 54 is in a free state.

[0053] The control mechanism drives the transfer frame 41 to descend via the press 3, so that the lower end face of the connecting rod pressure head 51 abuts against the top surface of the connecting rod 74, the floating positioning head 52 is inserted into the shaft connection hole of the connecting rod 74, and the eccentric rod 741 is placed in the clearance groove 512. The control mechanism drives the suction hole 511 to adsorb the top surface of the connecting rod 74 via the air extraction device.

[0054] The control mechanism drives the transfer frame 41 to move via the transfer mechanism 4 and the press 3, so that the connecting rod pressure head 51 rotates directly above the rotating shaft 721. The control mechanism drives the connecting rod pressure head 51 to descend via the press 3, so that the positioning tip of the connecting rod pressure head 51 is placed in the groove at the top of the rotating shaft 721; thereafter, the control mechanism continues to drive the connecting rod pressure head 51 to descend via the press 3, so that the connecting rod 74 is pressed onto the rotating shaft 721. During this process, the floating positioning head 52 moves upward, and the reset elastic element 54 is in a compressed state.

[0055] After the pressing is completed, the control mechanism uses the suction device to drive the suction hole 511 to release the suction from the top surface of the connecting rod 74. The control mechanism then drives the press 3, the transfer mechanism 4, and the pressing head mechanism 5 to reset. Among them, the reset elastic element 54 returns to its original position, so that the floating positioning head 52 resets downward.

[0056] This embodiment utilizes the coordination of a material pallet, press, transfer mechanism, and pressure head mechanism to assemble the connecting rod onto the upper cover assembly, effectively reducing manual operation time and costs, improving work efficiency, and lowering assembly difficulty. A floating positioning head is incorporated to ensure effective positioning of the connecting rod by the pressure head mechanism. A gas channel is formed by the inner wall of the middle diameter section and the lower end face of the limiting cover plate, allowing the gas pipe connector to connect to the adsorption hole through the gas channel.

[0057] Example 2 The difference between this embodiment and embodiment 1 is that, in this embodiment, the pressure head mechanism 5 further includes a rotary drive module 57.

[0058] Please see Figure 9 As shown, the pressure head mechanism 5 also includes a rotary drive module 57. The rotary drive module 57 is electrically connected to the control mechanism. The rotary drive module 57 is vertically arranged, and its output shaft extends in the vertical direction. The fixed end of the rotary drive module 57 is connected to the connecting plate 43. The driving end of the rotary drive module 57 is connected to the upper end of the connecting rod pressure head 51.

[0059] For different models of the top cover assembly 7, the horizontal placement and angle of the connecting rod 74 may be different. In order to ensure that the clearance groove 512 can smoothly cooperate with the eccentric rod 741 of the connecting rod 74, the connecting rod pressure head 51 is driven to rotate vertically by the rotation drive module 57 to adjust the position of the clearance groove 512.

[0060] In this embodiment, the rotary drive module 57 is mounted on the connecting plate 43. The rotary drive module 57 is connected to the connecting rod pressure head 51 via the transmission assembly 58. The rotary drive module 57, the transmission assembly 58, and the connecting rod pressure head 51 are distributed sequentially from top to bottom.

[0061] Specifically, the transmission assembly 58 includes a driving pulley, a driven pulley, and a transmission belt. The driving pulley is mounted on the bottom of the connecting plate 43 via a corresponding bearing housing and is connected to the drive end of the rotary drive module 57. The driven pulley is mounted on the bottom of the connecting plate 43 via a corresponding bearing housing and is connected to the upper end of the connecting rod pressure head 51. The driving pulley and the driven pulley are driven by a transmission belt.

[0062] This embodiment adds a rotary drive module so that the pressure head mechanism can be adapted to connecting rods with different placement positions and angles, thereby improving the adaptability of the device.

[0063] Example 3 The difference between this embodiment and embodiment 1 is that, in this embodiment, the connecting rod assembly device also includes a multi-station turntable 6.

[0064] Please see Figure 10As shown, the material pallet 2 is connected to the main frame 1 via a multi-station turntable 6. The multi-station turntable 6 includes a turntable body 61 and a turntable drive module 62. The turntable body 61 is mounted on top of the main frame 1 via the turntable drive module 62. The turntable drive module 62 is adapted to drive the turntable body 61 to rotate horizontally. The material pallet 2 is detachably mounted on the turntable body 61.

[0065] The top of the main frame 1 has multiple workstations, including a loading station, a connecting rod pressing station, a connecting rod welding station, and a discharging station. The loading station, connecting rod pressing station, connecting rod welding station, and discharging station are distributed sequentially around the multi-station turntable 6. The press 3 is placed at the connecting rod pressing station of the main frame 1.

[0066] Please see Figures 10-11 As shown, to effectively protect the multi-station turntable 6, the material tray 2 includes a top plate 21, a column 22, and a bottom plate 23 arranged sequentially from top to bottom. The bottom plate 23 is detachably installed on the top of the turntable body 61. The column 22 is vertically installed on the top of the bottom plate 23. The top plate 21 is slidably mounted on the column 22. The positioning groove 211 and the temporary placement groove 212 are formed on the top of the top plate 21. A support spring 24 is connected between the top plate 21 and the bottom plate 23. The support spring 24 is sleeved on the column 22. A support column 25 is provided at the bottom of the top plate 21. The lower end of the support column 25 passes through the bottom plate 23 and the turntable body 61 in sequence, and the lower end of the support column 25 is adapted to abut against the worktable of the press 3.

[0067] In this embodiment, the working principle of the connecting rod assembly device is as follows: When the turntable drive module 62 drives the empty material tray 2 to the loading station, the staff will load the semi-finished product 7a and the connecting rod 74 onto the material tray 2.

[0068] After the material loading is completed, the turntable drive module 62 drives the material tray 2 to the connecting rod pressing station. When the material tray 2 reaches the connecting rod pressing station, the connecting rod assembly device presses the connecting rod 74 onto the semi-finished product 7a. Specifically, when the floating positioning head 52 is spaced apart from the rotating shaft 721, the support column 25 is spaced apart from the worktable of the press 3. During the pressing process of the pressing head mechanism 5 pressing the connecting rod 74 onto the semi-finished product 7a, when the floating positioning head 52 abuts against the rotating shaft 721, the lower end of the support column 25 abuts against the worktable of the press 3 to protect the multi-station turntable 6.

[0069] Preferably, the support column 25 and the shaft mounting hole on the positioning groove 211 are distributed opposite to each other.

[0070] After the connecting rod 74 is pressed onto the semi-finished product 7a, the turntable drive module 62 drives the material tray 2 to the connecting rod welding station. The welding robot set on the main frame 1 welds the joint between the top surface of the connecting rod 74 and the upper outer peripheral wall of the rotating shaft 721 to produce the upper cover assembly 7.

[0071] After welding is completed, the turntable drive module 62 drives the material tray 2 to the discharge station so that the staff can transfer the cover component 7.

[0072] This embodiment protects the multi-station turntable and extends its service life by using the abutting fit between the support column and the press worktable.

[0073] The above embodiments are merely illustrative of the principles and effects of this utility model and are not intended to limit the scope of this utility model. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of this utility model. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in this utility model should still be covered by the claims of this utility model.

Claims

1. A linkage assembly device for an electric actuator, characterized in that, Includes a material tray (2) and a press (3) respectively set on top of the main frame (1); The material tray (2) is placed above the workbench of the press (3); the top of the material tray (2) is provided with a positioning groove (211) for accommodating the top cover assembly (7) and a temporary placement groove (212) for accommodating the connecting rod (74). The stamping end of the press (3) is connected to the fixed end of the transfer mechanism (4) via the transfer frame (41); the driving end of the transfer mechanism (4) is connected to the upper end of the pressing head mechanism (5) to drive the pressing head mechanism (5) to move horizontally; the pressing head mechanism (5) is placed above the material tray (2) and is distributed opposite to the material tray (2); The lower end of the pressure head mechanism (5) is provided with a floating positioning head (52), which is suitable for cooperating with the rotating shaft connection hole on the connecting rod (74); the lower end face of the pressure head mechanism (5) is provided with an adsorption hole (511) and a clearance groove (512) spaced apart; the adsorption hole (511) is connected to the air extraction device through an air pipe connector (53) provided in the middle of the pressure head mechanism (5); the clearance groove (512) is suitable for avoiding the eccentric rod (741) on the connecting rod (74). The control mechanism provided on the main frame (1) is adapted to drive the adsorption hole (511) to adsorb or de-adsorb the top surface of the connecting rod (74) through the air extraction device.

2. The connecting rod assembly device according to claim 1, characterized in that, The pressure head mechanism (5) includes a connecting rod pressure head (51), a floating positioning head (52), and the air pipe connector (53). The connecting rod pressure head (51) is vertically arranged, and its upper end is connected to the driving end of the transfer mechanism (4); the adsorption hole (511) and the clearance groove (512) are respectively opened on the lower end face of the connecting rod pressure head (51); The floating positioning head (52) is vertically and slidably disposed in the axial center hole of the connecting rod pressure head (51); a reset elastic element (54) is provided between the connecting rod pressure head (51) and the floating positioning head (52), and the reset elastic element (54) is placed in the axial center hole of the connecting rod pressure head (51). The endotracheal connector (53) is located in the middle of the connecting rod pressure head (51).

3. The connecting rod assembly device according to claim 2, characterized in that, The axial center hole of the connecting rod pressure head (51) includes a large diameter section, a medium diameter section and a small diameter section connected sequentially from top to bottom; The floating positioning head (52) includes a rod (521) and a limiting cover plate (522) disposed on the upper end of the rod (521). The rod (521) is adapted to slide with the small diameter section, and the limiting cover (522) is adapted to slide with the large diameter section; The reset elastic element (54) is placed inside the large diameter section; the upper end of the reset elastic element (54) abuts against the connecting rod pressure head (51) through the screw plug (55), and its lower end is connected to the top surface of the limiting cover plate (522). The lower end face of the limiting cover plate (522) and the inner wall of the middle diameter section form a gas channel (56); the lower end of the gas channel (56) is connected to the upper end of the adsorption hole (511), and the gas pipe connector (53) is connected to the gas channel (56).

4. The connecting rod assembly device according to claim 2, characterized in that, The lower end of the connecting rod pressure head (51) is provided with a positioning tip, which is adapted to cooperate with the groove on the top of the rotating shaft (721).

5. The connecting rod assembly device according to claim 2, characterized in that, The pressure head mechanism (5) further includes a rotary drive module (57); the fixed end of the rotary drive module (57) is connected to the drive end of the transfer mechanism (4); the drive end of the rotary drive module (57) is connected to the upper end of the connecting rod pressure head (51).

6. The connecting rod assembly device according to claim 5, characterized in that, The fixed end of the rotary drive module (57) is connected to the drive end of the transfer mechanism (4) via a connecting plate (43); The connecting plate (43) is provided with a transmission assembly (58), which includes a drive wheel, a driven wheel and a transmission belt; the drive wheel is mounted on the connecting plate (43) through a bearing seat and is connected to the drive end of the rotary drive module (57); the driven wheel is mounted on the connecting plate (43) through a bearing seat and is connected to the upper end of the connecting rod pressure head (51); The driving wheel and the driven wheel are driven by the transmission belt.

7. The connecting rod assembly device according to claim 1, characterized in that, The transfer mechanism (4) includes the transfer frame (41), the transfer slide rail (42), the connecting plate (43), and the transfer drive module (44). The transfer slide rail (42) is located at the bottom of the transfer frame (41) and extends along the first horizontal direction; The connecting plate (43) is slidably connected to the transfer slide rail (42) via a slider; The fixed end of the transfer drive module (44) is set on the transfer frame (41), and its drive end is connected to the connecting plate (43); the lower end of the connecting plate (43) is connected to the pressure head mechanism (5).

8. The connecting rod assembly device according to claim 7, characterized in that, Both ends of the transfer frame (41) are provided with buffers (45) and limiting bolts (46), and the buffers (45) and the limiting bolts (46) are adapted to abut against the side wall of the connecting plate (43) respectively.

9. The connecting rod assembly device according to claim 1, characterized in that, The material pallet (2) is connected to the main frame (1) via a multi-station turntable (6); The multi-station turntable (6) includes a turntable body (61) and a turntable drive module (62). The turntable body (61) is mounted on top of the main frame (1) via the turntable drive module (62); The material tray (2) is detachably mounted on the turntable body (61).

10. The connecting rod assembly device according to claim 1, characterized in that, The material pallet (2) includes a top plate (21), a column (22) and a bottom plate (23) arranged sequentially from top to bottom. The base plate (23) is mounted on the main frame (1); The column (22) is vertically installed on the top of the base plate (23); The top plate (21) is slidably mounted on the column (22); The positioning groove (211) and the temporary placement groove (212) are formed on the top of the top plate (21); A support spring (24) is connected between the top plate (21) and the bottom plate (23), and the support spring (24) is sleeved on the column (22); The bottom of the top plate (21) is provided with a support column (25); the lower end of the support column (25) passes through the bottom plate (23) and is adapted to abut against the worktable of the press (3).

Images