CN212351031U

CN212351031U - Swing arm assembly fixture

Info

Publication number: CN212351031U
Application number: CN202020339699.5U
Authority: CN
Inventors: 李艳美; 柳杨; 李小灿; 李坤茂; 税琳
Original assignee: Chongqing Branch of DFSK Motor Co Ltd
Current assignee: Chongqing Branch of DFSK Motor Co Ltd
Priority date: 2020-03-17
Filing date: 2020-03-17
Publication date: 2021-01-15
Anticipated expiration: 2030-03-17

Abstract

The utility model discloses a swing arm assembly fixture, which comprises a workbench, a swing arm positioning component arranged on the workbench and used for supporting and positioning a swing arm, and a swing arm support positioning component arranged on the workbench and used for supporting and positioning a swing arm support, wherein the swing arm positioning component comprises a nut anti-rotation piece for preventing a through bolt of the swing arm from rotating; the utility model discloses can fix a position swing arm and swing arm support, and keep presetting the gesture, combine the nut to prevent that the rotating part can be in order to prevent the rotation of logical heart bolt, be convenient for screw up this bolt moment, easily fix a position logical heart bolt again, be convenient for make swing arm and swing arm leg joint atress in-process and connect the gesture on the automobile body unanimous through this assembly fixture, improve the assembly precision of the two, realize that the swing arm assembles by the partial shipment line, can reduce the thread assembly degree of difficulty requirement, accelerate the assembly beat.

Description

Swing arm assembly fixture

Technical Field

The utility model belongs to the technical field of the automobile-manufacturing, a swing arm assembly fixture is related to.

Background

The assembly postures of the swing arms and the swing arm supports are closely related to the running quality of the whole vehicle, for example, the assembly posture precision requirement of the rear longitudinal swing arm and the rear longitudinal swing arm mounting support thereof influences the assembly precision requirement of the rear suspension, and the assembly precision influences the overall quality of the rear suspension; the rear longitudinal swing arm mounting support is connected with the swing arm, the other end of the swing arm is connected with other parts by adopting a through bolt matched with a movable nut, the conventional connection assembly of the rear longitudinal swing arm and the swing arm is mostly assembled on a main line, the assembly form increases the requirement on the difficulty of main line assembly, and the assembly beat is influenced.

Therefore, based on the above problems, a swing arm assembly tool is needed, which is beneficial to the swing arm to perform split charging beside a split charging line, can reduce the requirement of main line assembly difficulty, and quickens the assembly beat.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a swing arm assembly fixture, this frock do benefit to the swing arm and carry out the partial shipment by the partial shipment line, can reduce the thread assembly degree of difficulty requirement for the assembly beat.

The utility model discloses a swing arm assembly fixture, including the workstation, install the swing arm locating component that is used for carrying out the support location to the swing arm on the workstation and install and be used for carrying out the swing arm support locating component that supports the location to the swing arm support on the workstation, swing arm locating component prevents the piece that changes including the logical core bolt pivoted nut that is used for preventing the swing arm.

Further, swing arm locating component still includes jacking device, jacking device can promote the nut prevent that the rotating part reciprocates and realizes the locking to the lead to the core bolt or keep away from swing arm unblock lead to the core bolt near the swing arm.

Furthermore, the jacking device comprises a movable cam, the movable cam can be horizontally and slidably mounted on the workbench, and the movable cam horizontally slides to push the nut anti-rotation piece to move up and down.

Further, the swing arm positioning assembly further comprises a positioning plate used for laterally positioning the swing arm by being attached to the side portion of the swing arm.

Furthermore, the movable cam is provided with a chute, the jacking device further comprises a vertical guide rail, a sliding block which can be vertically slidably mounted on the vertical guide rail, and a roller which is rotatably matched and mounted on the sliding block, the roller is positioned in the chute and can roll along the inclined plane of the chute, and the nut rotation preventing part is mounted on the sliding block.

Furthermore, the swing arm positioning assembly further comprises a supporting assembly which is positioned between the jacking assembly and the swing arm positioning assembly and used for supporting the middle part of the swing arm and positioning the swing arm.

Furthermore, the supporting component comprises a rubber mat connected to the workbench and used for supporting the bottom of the swing arm and a positioning pin connected to the rubber mat and used for positioning the swing arm.

Further, swing arm support locating component is including connecting the location base on the workstation, the circular recess that is used for holding the swing arm support is offered to location base upper end, a plurality of locating hole has been offered to circular recess bottom, seted up on the location base and avoided the groove.

Furthermore, a positioning block is arranged on the positioning plate and used for abutting against the swing arm to position the swing arm in a vertical surface where the positioning plate is close to the side of the swing arm.

Further, the nut rotation-preventing piece is of a cylinder structure, and the upper end of the cylinder is provided with a rotation-preventing groove matched with the through bolt and the nut.

The utility model has the advantages that:

the utility model discloses can fix a position swing arm and swing arm support, and keep presetting the gesture, combine the nut to prevent that the rotating part can be in order to prevent the rotation of logical core bolt, be convenient for screw up this bolt moment, easily fix a position logical core bolt again, be convenient for make swing arm and swing arm support stress assembly in-process keep presetting the gesture through this assembly fixture, improve the two assembly precision, realize simultaneously that the swing arm assembles by the partial shipment line, can reduce the requirement of the thread assembly degree of difficulty, accelerate the assembly beat.

Drawings

The invention is further described with reference to the following figures and examples.

FIG. 1 is a schematic structural view of a swing arm assembly fixture in cooperation with a swing arm;

fig. 2 is a schematic view 1 of the overall structure of the present invention;

fig. 3 is a schematic view of the overall structure of the present invention 2;

Detailed Description

FIG. 1 is a schematic structural view of a swing arm assembly fixture in cooperation with a swing arm; fig. 2 is a schematic view 1 of the overall structure of the present invention; fig. 3 is a schematic view of the overall structure of the present invention 2;

as shown in the figure: the embodiment provides a swing arm assembly fixture, including workstation 1, install the swing arm locating component that is used for supporting the location to the swing arm on the workstation and install the swing arm support locating component that is used for supporting the location to the swing arm support on the workstation, swing arm locating component prevents changeing 2 including the logical heart bolt pivoted nut that is used for preventing the swing arm. The workbench can be a concrete foundation, a workbench surface or a support in an assembly line, as shown in figure 1, one end of a swing arm 14 is connected with a swing arm support 15 through a bolt matched with a fixed nut, namely the nut is integrated in the connection support, or the swing arm and the swing arm support can also adopt other connection forms, the other end of the swing arm is connected with other parts through a through bolt 16 matched with a movable nut, in the assembly process, the swing arm support is firstly positioned through a swing arm support positioning component, then the swing arm is positioned and supported through the swing arm positioning component, because the swing arm support and the swing arm are usually provided with a positioning hole and connected through a bolt, the joint of the swing arm support and the swing arm is easy to connect and position, one end of the swing arm is connected with the swing arm support in a positioning way, the nut of the through bolt corresponding to the other end of the swing arm is locked through a nut anti-, the nut moment of being convenient for to this bolt screws up, easily fixes a position to the through-center bolt again, is convenient for make swing arm and swing arm support stress assembly in-process keep unanimous with the gesture when installing on the automobile body through above-mentioned assembly fixture, improves the assembly precision of the two.

In this embodiment, swing arm locating component still includes jacking device, jacking device can promote the nut and prevent that the rotating part reciprocates and realizes the locking to the through-core bolt or keep away from swing arm unblock through-core bolt near the swing arm. Combine as shown in fig. 1, jacking device can adopt hydraulic drive or adopt the electric drive form, when the swing arm is installed on swing arm locating component, the nut of logical heart bolt is down, it prevents the rotation from moving from top to bottom to promote the nut through jacking device, when jacking device promotes the nut and prevents that the rotation from going upward the nut of contact bolt, realize the rotation in order to restrict the nut to the locking of nut with the nut cooperation, when jacking device promotes the nut and prevents that the rotation keeps away from the bolt down, nut prevents that rotation and nut break away from, realize the unblock to logical heart bolt, this structure does benefit to and provides the dodge space for the swing arm when installing the swing arm, the installation location of the swing arm of being convenient for, in order to improve assembly efficiency.

In this embodiment, the jacking device includes a movable cam 3, the movable cam is horizontally slidably mounted on the workbench, and the movable cam horizontally slides to push the nut rotation preventing member to move up and down. The moving cam converts the horizontal sliding into the vertical movement of the nut anti-rotation part, wherein the nut anti-rotation part can be a roller follower structure or a flat-bottom follower structure, and as shown in fig. 2, a horizontal guide rail 17 is installed on the workbench, a horizontal slider 18 is installed at the bottom of the moving cam, and the horizontal slider can horizontally slide along a slide rail, wherein the horizontal guide rail adopts an i-shaped guide rail or a T-shaped guide rail, which is not described in detail; the horizontal sliding of the movable cam can be controlled by a hydraulic cylinder and a linear motor, or can be directly pushed manually, the structure drives the movable cam horizontally to facilitate the driving of the nut anti-rotation part, and is particularly beneficial to manually driving the nut anti-rotation part horizontally by applying force.

In this embodiment, the swing arm positioning assembly further includes a positioning plate 21 for laterally positioning the swing arm by being attached to a side portion of the swing arm. As shown in fig. 2, one side surface of the component on the swing arm is attached to the vertical surface of the positioning plate, so that the swing arm can be positioned laterally, the swing arm can keep a predetermined posture, the positioning accuracy of the swing arm can be improved, and the swing arm can be positioned and mounted with other components.

In this embodiment, the movable cam is provided with a chute 4, the jacking device further comprises a vertical guide rail 5, a sliding block 6 which can be vertically slidably mounted on the vertical guide rail, and a roller 7 which is rotatably fitted on the sliding block, wherein the roller is located in the chute and can roll along the inclined plane of the chute, and the nut rotation preventing part is mounted on the sliding block. Combine shown in fig. 2, the locating plate is connected in the top of vertical guide rail, thereby the removal cam is followed workstation horizontal slip drive roller and is rolled along the chute inclined plane and is prevented changeing the piece and vertical slip of vertical guide rail, the curved horizontal structure that is in top of chute does benefit to the gesture of roller and keeps, when the roller moves to the chute top, the nut prevents changeing the piece and leads to the nut of core bolt and forms the cooperation to leading to the core bolt locking, and the gesture through the roller keeps maintaining the cooperation relation of the two. For the manual driving, a handle 19 is arranged at the side part of the moving cam, so that the moving cam can be pushed by hands.

In this embodiment, the swing arm positioning assembly further comprises a supporting assembly located between the jacking assembly and the swing arm positioning assembly and used for supporting the middle of the swing arm and positioning the swing arm. The supporting component supports in the middle of the swing arm, so that the swing arm can be installed and positioned conveniently, the supporting component can be positioned and supported at the initial stage of the installation of the swing arm, the positioning of the swing arm can be released or partially released after the two ends of the swing arm are connected, the over-positioning of the swing arm is prevented, the supporting component can support and position the middle of the swing arm, and the maintenance of the posture of the swing arm is facilitated.

In this embodiment, the support assembly includes a rubber pad 8 connected to the workbench and used for supporting the bottom of the swing arm, and a positioning pin 9 connected to the rubber pad and used for positioning the swing arm. Referring to fig. 3, a support base 20 is installed on the worktable, a rubber pad 8 is connected to the top of the support base, the middle part of the swing arm is supported on the rubber pad, two positioning pins are provided, one of the two positioning pins is connected to the rubber pad or the support base and passes through the positioning hole on the swing arm with its head facing upwards, the other positioning pin is connected to a quick clamp 21, the head of the positioning pin passes through the other positioning hole on the swing arm downwards under the driving of the quick clamp, the quick clamp comprises a handle rotationally fitted to the support base, a middle connecting rod rotationally fitted to the middle part of the handle and an output shaft rotationally fitted to the middle connecting rod, the output shaft is axially slidably arranged on the support base, wherein the handle, the middle connecting rod, the output shaft and the support base form a crank block structure, the output shaft is axially, the quick clamp is a standard component and is not described in detail; through supporting component both form the support to the swing arm, do benefit to the installation and the assembly of swing arm, also can form the location to the swing arm in addition, the drive through the active grab does benefit to according to the selective location or the release location to the swing arm of assembly progress, guarantees the effective location of swing arm promptly, also can prevent in real time that the swing arm from crossing the location.

In this embodiment, swing arm support locating component is including connecting the location base 10 on the workstation, the circular recess 11 that is used for holding the swing arm support is offered to location base upper end, a plurality of locating hole has been seted up to circular recess bottom, seted up on the location base and avoided groove 12. The bottom of the swing arm support is of a cylindrical structure, when the swing arm support is positioned, the top of the swing arm support is pressed in the circular groove, positioning is formed by matching a screw or a pin at the bottom of the swing arm support with the positioning hole, the circular groove forms a gap through the avoidance groove and is used for avoiding parts protruding outwards on the swing arm support, and the arrangement position and the arrangement number of the avoidance groove are determined according to the structural form of the swing arm support, which is not described in detail;

in this embodiment, a positioning block 13 is installed on the positioning plate, and the positioning block is used for abutting against the swing arm to position the swing arm in a vertical surface where the positioning plate is close to the swing arm side. The positioning block is of a cuboid structure, the inner side of the positioning block is attached to a vertical face, close to the swing arm, of the positioning plate, two adjacent side faces, perpendicular to the vertical face, of the positioning block abut against the swing arm and are used for limiting swing of the swing arm in the vertical face, namely positioning of the swing arm in the vertical face is formed, positioning accuracy of the swing arm is improved, parts on the swing arm are maintained in a preset posture through the structure, when the through bolt is screwed up through a nut rotation-proof piece, the whole swing arm is enabled to be always kept in the preset posture under the action of external force, and assembly accuracy is improved.

In this embodiment, the nut rotation preventing member 2 is a cylinder structure, and an rotation preventing groove adapted to the through bolt and the nut is formed in the upper end of the cylinder. The nut prevents that the rotating member is similar to hexagon socket spanner's head structure, prevents at the nut that the rotating member shifts up the in-process, and the nut falls in the inside locking that realizes the bolt of preventing the rotation slot, and the screwing up of the nut of being convenient for supports the up end at the nut preventing rotating member in the bottom of swing arm simultaneously, does benefit to and forms the location to the swing arm, and the rotation slot also can match the location that realizes the swing arm as locating hole and nut.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The utility model provides a swing arm assembly fixture which characterized in that: including the workstation, install the swing arm locating component that is used for supporting the swing arm location on the workstation and install the swing arm support locating component that is used for supporting the swing arm support location on the workstation, swing arm locating component prevents the piece of changeing including the logical core bolt pivoted nut that is used for preventing the swing arm.

2. The swing arm assembly tool according to claim 1, characterized in that: the swing arm positioning assembly further comprises a jacking device, the jacking device can push the nut anti-rotation piece to move up and down so as to be close to the swing arm to lock the through-core bolt or keep away from the swing arm to unlock the through-core bolt.

3. The swing arm assembly tool according to claim 2, characterized in that: the jacking device comprises a movable cam, the movable cam can be horizontally and slidably mounted on the workbench, and the movable cam horizontally slides to push the nut anti-rotation piece to move up and down.

4. The swing arm assembly tool according to claim 1, characterized in that: the swing arm positioning assembly further comprises a positioning plate used for laterally positioning the swing arm by being attached to the side portion of the swing arm.

5. The swing arm assembly tool according to claim 3, characterized in that: the lifting device comprises a moving cam, a sliding block and a roller, wherein the moving cam is provided with a chute, the lifting device further comprises a vertical guide rail, the sliding block can be vertically and slidably mounted on the vertical guide rail, and the roller is rotatably mounted on the sliding block in a matching manner, is positioned in the chute and can roll along the inclined plane of the chute, and a nut rotation preventing part is mounted on the sliding block.

6. The swing arm assembly tool according to claim 1, characterized in that: the swing arm positioning assembly further comprises a supporting assembly which is positioned between the jacking assembly and the swing arm positioning assembly and used for supporting the middle part of the swing arm and positioning the swing arm.

7. The swing arm assembly tool according to claim 6, characterized in that: the supporting assembly comprises a rubber mat connected to the workbench and used for supporting the bottom of the swing arm and a positioning pin connected to the rubber mat and used for positioning the swing arm.

8. The swing arm assembly tool according to claim 1, characterized in that: the swing arm support positioning assembly comprises a positioning base connected to the workbench, a circular groove used for containing the swing arm support is formed in the upper end of the positioning base, a plurality of positioning holes are formed in the bottom of the circular groove, and an avoiding groove is formed in the positioning base.

9. The swing arm assembly tool according to claim 4, characterized in that: the positioning plate is provided with a positioning block, and the positioning block is used for abutting against the swing arm to position the swing arm in a vertical surface where the positioning plate is close to the side of the swing arm.

10. The swing arm assembly tool according to claim 1, characterized in that: the nut anti-rotation piece is of a cylinder structure, and the upper end of the cylinder is provided with an anti-rotation groove matched with the through bolt and the nut.