Four-station front suspension assembly device and use method

Abstract

The present invention discloses a four-station front suspension assembly device and a method of using the device, which belongs to the automobile suspension assembly tool. It includes a working platform, on which is installed a positioning mechanism for horizontally mounting and fixing a workpiece, and two groups of assembly mechanisms located on both sides of the positioning mechanism and symmetrically distributed, each group of assembly mechanisms includes two assembly units, each assembly unit includes a fixed frame, a press-fitting driver, a pressure sensor and an assembly body, the fixed frame is fixedly installed on the working platform, the press-fitting driver is fixedly installed on the fixed frame, and the output end of the press-fitting driver freely passes through the fixed frame and is fixedly installed with a pressure sensor, one end of the assembly body is fixedly installed with the pressure sensor, and the other end freely passes through the fixed frame to press the bushing into the inside of the shaft hole reserved on the workpiece. The bushing is pressed in by the press-fitting driver, the pressure sensor and the assembly body at the four assembly stations in cooperation with an external control system, and the pressure can be accurately controlled and adjusted during the process to achieve efficient and controllable press-fitting.

Description

Technical Field

[0001] The invention relates to the technical field of automobile suspension assembly tooling, and in particular to a four-station front suspension assembly device and a use method thereof. Background Art

[0002] With the development of science and technology, people's living standards are constantly improving, and the application of automobiles in people's lives is becoming more and more extensive. In the automotive field and other fields, various bushings are often used. The bushings and shaft holes are interference fits. Pressing bushings requires knocking, single press-in with ordinary presses, and uncontrollable press-in force, which can easily cause bushing damage, low assembly efficiency, and reduced service life. Therefore, it is necessary to provide an efficient and controllable press-fitting device to solve the above problems. Summary of the invention

[0003] The purpose of the present invention is to solve the deficiencies in the prior art, and therefore a four-station front suspension assembly device and a method of use are proposed.

[0004] In order to achieve the above object, the present invention adopts the following technical solutions:

[0005] A four-station front suspension assembly device includes a working platform, on which is installed a positioning mechanism for horizontally fixing a workpiece and two groups of assembly mechanisms located on both sides of the positioning mechanism and symmetrically distributed, each group of the assembly mechanisms includes two assembly units, each of the assembly units includes a fixed frame, a press-fit driver, a pressure sensor and an assembly body, the fixed frame is fixedly installed on the working platform, the press-fit driver is fixedly installed on the fixed frame and the output end of the press-fit driver freely passes through the fixed frame and is fixedly installed with a pressure sensor, one end of the assembly body is fixedly installed with the pressure sensor, and the other end freely passes through the fixed frame for pressing a bushing into a shaft hole reserved on the workpiece.

[0006] Further preferably, the positioning mechanism includes positioning member one and positioning member two, positioning member one is provided with a positioning area for limiting the position of the rear side of the workpiece, and positioning member two is provided with a positioning structure for limiting the position of the front side of the workpiece, and the positioning area and positioning structure install the workpiece horizontally and ensure that the four workstations on the workpiece are coplanar with the corresponding assembly body.

[0007] Further preferably, the positioning structure includes a positioning surface located on the second positioning member and used to define the lateral position of the front side of the workpiece, and a positioning portion located on the positioning surface or the working platform and used to define the vertical position of the front side of the workpiece.

[0008] Further preferably, when the positioning portion is located on the working platform, the workpiece is in a horizontal installation position and the four axial holes thereon are in the same plane, and a limiting portion adapted to the workpiece is provided on the top of the positioning portion.

[0009] Further preferably, the positioning mechanism also includes an automatic clamping unit, which includes a guide structure arranged on the positioning member 1, a clamping structure movably installed on the guide structure, and a reset structure installed on the positioning member 1 and automatically resets the clamping structure.

[0010] Further preferably, the guide structure includes a guide groove 1 of an arc-shaped structure opened on an end surface of the positioning member, a guide groove 2 connected to the guide groove 1 and vertically arranged, and a guide groove 3 vertically arranged and located below the guide groove 2.

[0011] Further preferably, the clamping structure includes a guide block 1 slidably mounted inside guide groove 1 and guide groove 2, a guide block 2 slidably mounted inside guide groove 3, and a clamping jaw body fixedly mounted on guide block 1 and guide block 2 and used to clamp the rear side of the workpiece.

[0012] Further preferably, the reset structure comprises a reset member which is fixedly mounted on the positioning member 1 and whose end away from the positioning member 1 is fixedly mounted on the clamp body.

[0013] A method for using a four-station front suspension assembly device comprises the following steps:

[0014] First, the workpiece is hoisted above the positioning mechanism, and the workpiece is horizontally installed through the positioning area and positioning part on the positioning member. Subsequently, the pressure sensor and the assembly are driven by the output end of the press-fitting driver to press the bushing into the shaft hole. During the press-fitting process, the data of the pressure sensor is monitored in real time through an external control system, thereby controlling the movement of the press-fitting driver.

[0015] A method for using a four-station front suspension assembly device comprises the following steps:

[0016] First, the workpiece is hoisted to the top of the positioning mechanism, and the workpiece is horizontally installed through the positioning area on the positioning member 1 and the positioning part on the positioning member 2. During the downward movement of the workpiece, the clamp body will first rotate along the guide groove 1 to clamp the rear side of the workpiece, and then move down along the guide grooves 2 and 3 until the front side of the workpiece is matched with the positioning part; then, the pressure sensor and the assembly are driven by the output end of the press-fitting driver to press the bushing into the shaft hole. During the press-fitting process, the data of the pressure sensor is monitored in real time through the external control system, and the movement of the press-fitting driver is controlled until the bushing is completely pressed into the shaft hole of the workpiece, and then reset; finally, the workpiece is lifted vertically upward from the positioning area. During the separation process, the clamp body and the workpiece will first move up along the guide grooves 2 and 3 to the top of the guide groove 3, and then the clamp body is rotated open along the guide groove 1 and separated from the workpiece.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. The present invention is provided with four assembly stations, and the workpieces are fixed horizontally by a positioning mechanism, so that the axial holes on the four workpieces are in the same horizontal plane. Then, the bushing is pressed in by the press-fitting drivers, pressure sensors and assembly bodies at the four assembly stations, and the pressure can be accurately controlled and adjusted during the process, so as to achieve efficient and controllable press-fitting.

[0019] 2. The positioning mechanism in the present invention abuts the inner side of the workpiece through positioning member 1 and positioning member 2, and then presses the workpiece through the assembly mechanism. During the process, the workpiece is stable, thereby ensuring an efficient and controllable press-fitting effect of the bushing.

[0020] 3. In order to avoid damage to the device by the positioning mechanism and to facilitate the single-machine pressing condition in the present invention, an automatic clamping unit is provided on the positioning mechanism. The clamping structure is moved along the guide structure under the action of the gravity of the workpiece, thereby finally achieving the effect of clamping the workpiece, reducing the wear between the positioning mechanism and the workpiece, and facilitating the single-machine pressing condition and multi-machine pressing condition on the rear side. When the workpiece is removed, it can be automatically opened by the action of the reset member to ensure the removal of the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A three-dimensional view of the overall structure of the present invention;

[0022] Figure 2 for Figure 1 A partial enlarged view of the middle A;

[0023] Figure 3 A top view of the overall structure of the present invention;

[0024] Figure 4 A three-dimensional view of a portion of one end of a positioning member in the present invention;

[0025] Figure 5 A three-dimensional view of the clamp body of one end of the positioning member in the present invention in a non-working state;

[0026] Figure 6 It is a three-dimensional view of the clamping jaw body at one end of the positioning member in the present invention under working condition.

[0027] In the figure: 1. working platform; 2. fixing frame; 3. press-fit driver; 4. pressure sensor; 5. assembly; 6. positioning member 1; 7. positioning member 2; 8. positioning area; 9. positioning part; 10. guide groove 1; 11. guide groove 2; 12. guide groove 3; 13. guide block 2; 14. guide block 1; 15. clamping jaw body; 16. reset member. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings 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.

[0029] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the 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 a limitation on the present invention.

[0030] Embodiment 1:

[0031] like Figures 1 to 3 As shown, a four-station front suspension assembly device includes a working platform 1, on which is installed a positioning mechanism for horizontally mounting and fixing a workpiece and two groups of assembly mechanisms located on both sides of the positioning mechanism and symmetrically distributed, each group of the assembly mechanisms includes two assembly units, each of the assembly units includes a fixed frame 2, a press-fitting driver 3, a pressure sensor 4 and an assembly body 5, the fixed frame 2 is fixedly installed on the working platform 1, the press-fitting driver 3 (hydraulic cylinder) is fixedly installed on the fixed frame 2 and the output end of the press-fitting driver 3 freely passes through the fixed frame 2 and is fixedly installed with the pressure sensor 4, one end of the assembly body 5 is fixedly installed with the pressure sensor 4, and the other end freely passes through the fixed frame 2 for pressing the bushing into the inside of the shaft hole reserved on the workpiece. The pressure sensors 4 and the assembly body 5 are driven by four press-fitting drivers 3 to press the corresponding bushings into the corresponding axial holes on the workpiece. An external PLC control system can also be set up to control the press-fitting drivers 3 and press the bushings in a controllable and efficient manner by real-time monitoring of the data of the pressure sensors 4. Before pressing, the positioning mechanism will install the workpiece horizontally so that the four axial holes are located in the same horizontal plane. The corresponding bushings are pressed through the operation of each press-fitting driver 3. During the pressing process, the positioning mechanism supports the inner side of the workpiece.

[0032] In the further preferred solution of this embodiment, the positioning mechanism includes a positioning member 1 6 and a positioning member 2 7. The positioning member 1 6 is provided with a positioning area 8 for limiting the position of the rear side of the workpiece, and the positioning member 2 7 is provided with a positioning structure for limiting the position of the front side of the workpiece. The positioning area 8 and the positioning structure install the workpiece horizontally and ensure that the four workstations on the workpiece are coplanar with the corresponding assembly body 5. The positioning member 1 6 is used to limit the rear side of the workpiece, and the positioning member 2 7 is used to limit the front side of the workpiece. When the two are used in combination, the workpiece will be installed and fixed horizontally, which is convenient for the bushing to be pressed into the corresponding shaft hole.

[0033] In a further preferred solution of this embodiment, the positioning structure includes a positioning surface located on the positioning member 2 7 and used to define the lateral position of the front side of the workpiece, and a positioning portion 9 located on the positioning surface or on the working platform 1 and used to define the vertical position of the front side of the workpiece. The front side of the workpiece is defined in height by the positioning portion 9, and then the position can be defined by the positioning surface when the bushing is pressed, so as to prevent the workpiece from being twisted and deformed when the bushing is pressed.

[0034] In a further preferred solution in this embodiment, when the positioning portion 9 is located on the working platform 1, the workpiece is in a horizontal installation position and the four axial holes thereon are in the same plane, and a limiting portion 10 adapted to the workpiece is provided on the top of the positioning portion 9.

[0035] A method for using a four-station front suspension assembly device comprises the following steps:

[0036] First, the workpiece is hoisted above the positioning mechanism, and the workpiece is horizontally installed through the positioning area 8 and the positioning part 9 on the positioning member 6. Subsequently, the pressure sensor 4 and the assembly body 5 are driven by the output end of the press-fitting driver 3 to press-fit the bushing into the shaft hole. During the press-fitting process, the data of the pressure sensor 4 is monitored in real time through the external control system, thereby controlling the movement of the press-fitting driver 3.

[0037] Embodiment 2:

[0038] like Figures 1 to 6 As shown, based on the embodiment 1, a further preferred solution is provided, wherein the positioning mechanism further comprises an automatic clamping unit, and the automatic clamping unit comprises a guide structure provided on the positioning member 6, a clamping structure movably installed on the guide structure, and a reset structure installed on the positioning member 6 and automatically resets the clamping structure. The clamping structure is moved along the guide structure by the action of the workpiece, and the rear side of the workpiece is clamped, so that the stability of the rear side is ensured when the rear side is unilaterally pressed, and the damage caused by the wear of the workpiece installed on the positioning member 6 and the positioning member 6 can be reduced.

[0039] In a further preferred solution in this embodiment, the guide structure includes a guide groove 10 of an arc-shaped structure opened on the end face of the positioning member 6, a guide groove 2 11 connected to the guide groove 10 and vertically arranged, and a guide groove 3 12 vertically arranged and located below the guide groove 2 11.

[0040] In the present embodiment, the clamping structure further preferably comprises a guide block 14 slidably mounted inside the guide groove 10 and the guide groove 2 11, a guide block 2 13 slidably mounted inside the guide groove 3 12, and a clamp body 15 fixedly mounted with the guide block 14 and the guide block 2 13 and used to clamp the rear side of the workpiece. When installing the workpiece, the workpiece first contacts and squeezes the clamp body 15, causing the clamp body 15 to rotate along the guide groove 10 to clamp the workpiece, and then moves down along the guide groove 2 11 until the front side of the workpiece falls on the limit portion 10, at which time the workpiece is in a horizontal state; when the bushing press-fitting work is completed, when the workpiece is removed, the workpiece and the clamp body 15 will move up together along the guide groove 3 12 and the guide groove 2 11, and then the workpiece continues to move up, and at the same time, the clamp body 15 rotates along the guide groove 10 under the action of the reset member 16, and the workpiece is separated from the clamp body 15.

[0041] In a further preferred solution of the present embodiment, the reset structure includes a reset member 16 fixedly mounted on the positioning member 6 and having one end away from the positioning member 6 fixedly mounted to the clamp body 15 .

[0042] A method for using a four-station front suspension assembly device comprises the following steps:

[0043] First, the workpiece is hoisted to the top of the positioning mechanism, and the workpiece is horizontally installed through the positioning area 8 on the positioning member 1 6 and the positioning part 9 on the positioning member 2 7. During the downward movement of the workpiece, the clamp body 15 will first rotate along the guide groove 10 to clamp the rear side of the workpiece, and then move down along the guide groove 2 11 and the guide groove 3 12 until the front side of the workpiece is matched with the positioning part 9; then, the output end of the press-fitting driver 3 drives the pressure sensor 4 and the assembly body 5 to press-fit the bushing into the shaft hole. During the press-fitting process, the data of the pressure sensor 4 is monitored in real time through the external control system, and then the movement of the press-fitting driver 3 is controlled until the bushing is completely pressed into the shaft hole of the workpiece, and then reset; finally, the workpiece is vertically lifted up from the positioning area 8. During the separation process, the clamp body 15 and the workpiece will first move up along the guide groove 2 11 and the guide groove 3 12 to the top of the guide groove 3 12, and then the clamp body 15 rotates along the guide groove 1 10 to open and separate from the workpiece.

[0044] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. The replacement may be a replacement of a part of the structure, device, method step, or a complete technical solution. Any equivalent replacement or change according to the technical solution and the inventive concept of the present invention shall be covered within the protection scope of the present invention.

Claims

1. A four-station front suspension assembly device, comprising a working platform (1), characterized in that: The work platform (1) is provided with a positioning mechanism for horizontally fixing the workpiece and two groups of assembly mechanisms located on both sides of the positioning mechanism and symmetrically distributed, each group of the assembly mechanisms comprising two assembly units, each of the assembly units comprising a fixed frame (2), a press-fit driver (3), a pressure sensor (4) and an assembly body (5), the fixed frame (2) being fixedly mounted on the work platform (1), the press-fit driver (3) being fixedly mounted on the fixed frame (2) and the output end of the press-fit driver (3) freely passing through the fixed frame (2) and being fixedly mounted with the pressure sensor (4), one end of the assembly body (5) being fixedly mounted with the pressure sensor (4) and the other end freely passing through the fixed frame (2) for pressing the bushing into the interior of the shaft hole reserved on the workpiece; The positioning mechanism comprises a first positioning member (6) and a second positioning member (7), wherein the first positioning member (6) is provided with a positioning area (8) for limiting the position of the rear side of the workpiece, and the second positioning member (7) is provided with a positioning structure for limiting the position of the front side of the workpiece, wherein the positioning area (8) and the positioning structure install the workpiece horizontally and ensure that the four workstations on the workpiece are coplanar with the corresponding assembly body (5); The positioning mechanism also includes an automatic clamping unit, which includes a guide structure arranged on the positioning member 1 (6), a clamping structure movably mounted on the guide structure, and a reset structure mounted on the positioning member 1 (6) and automatically resets the clamping structure; The guide structure comprises a guide groove 1 (10) of an arc-shaped structure formed on the end surface of the positioning member 1 (6), a guide groove 2 (11) connected to the guide groove 1 (10) and arranged vertically, and a guide groove 3 (12) arranged vertically and located below the guide groove 2 (11); The clamping structure comprises a guide block 1 (14) slidably mounted inside the guide groove 1 (10) and the guide groove 2 (11), a guide block 2 (13) slidably mounted inside the guide groove 3 (12), and a clamping claw body (15) fixedly mounted on the guide block 1 (14) and the guide block 2 (13) and used for clamping the rear side of the workpiece; The resetting structure comprises a resetting member (16) fixedly mounted on the positioning member 1 (6) and having an end away from the positioning member 1 (6) and fixedly mounted on the clamping jaw body (15); The reset element (16) is a coil spring; When installing a workpiece, the workpiece first contacts the clamping jaw body (15) and presses the clamping jaw body (15), causing the clamping jaw body (15) to rotate along the guide groove (10) to clamp the workpiece.

2. A four-station front suspension assembly device according to claim 1, characterized in that: The positioning structure comprises a positioning surface located on the second positioning member (7) and used to define the lateral position of the front side of the workpiece, and a positioning portion (9) located on the positioning surface or on the working platform (1) and used to define the vertical position of the front side of the workpiece.

3. A four-station front suspension assembly device according to claim 2, characterized in that: When the positioning portion (9) is located on the working platform (1), the workpiece is in a horizontal installation position and the four axial holes thereon are in the same plane, and a limiting portion adapted to the workpiece is provided on the top of the positioning portion (9).

4. A method for using the four-station front suspension assembly device according to claim 3, characterized in that: The following steps are involved: First, the workpiece is hoisted above the positioning mechanism, and the workpiece is horizontally installed through the positioning area (8) on the positioning member 1 (6) and the positioning portion (9) on the positioning member 2 (7). When the workpiece moves downward, the clamp body (15) first rotates along the guide groove 1 (10) to clamp the rear side of the workpiece, and then moves downward along the guide groove 2 (11) and the guide groove 3 (12) until the front side of the workpiece is matched with the positioning portion (9); then, the pressure sensor (4) and the assembly body (5) are driven by the output end of the press-fitting driver (3) to move the liner The sleeve is pressed into the shaft hole. During the pressing process, the data of the pressure sensor (4) is monitored in real time by an external control system, thereby controlling the movement of the pressing driver (3) until the sleeve is completely pressed into the shaft hole of the workpiece and then reset. Finally, the workpiece is lifted vertically upward from the positioning area (8). During the separation process, the clamp body (15) and the workpiece will first move up along the guide groove two (11) and the guide groove three (12) to the top of the guide groove three (12), and then the clamp body (15) will rotate open along the guide groove one (10) and separate from the workpiece.

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