CN212398671U

CN212398671U - Welding positioning fixture for drive axle plate spring backing plate

Info

Publication number: CN212398671U
Application number: CN202022839598.7U
Authority: CN
Inventors: 李保华; 许慧; 高连韬; 王鹏; 王希浩
Original assignee: Weifang Qingte Axle Co ltd
Current assignee: Weifang Qingte Axle Co ltd
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-01-26
Anticipated expiration: 2030-12-02

Abstract

The utility model provides a transaxle plate spring welding position anchor clamps for backing plate, the utility model belongs to the welding set field, including the base, first screw is seted up to the top surface of base, first screw internal thread construction bolt, the lower extreme of the upper end fixed connection vertical cylinder of bolt, the lower part of vertical cylinder both sides is seted up first through groove respectively, and connecting device can outwards promote corresponding dog, and corresponding second through groove horizontal migration can be followed to the dog. The utility model discloses with the bottom surface of base and the top surface fixed connection of welding set workstation when the installation, with the locating hole suit at leaf spring backing plate center in the outside of fixture block, the chimney drives corresponding dog downstream, makes the bottom surface of dog and the top surface contact cooperation of leaf spring backing plate, mutually supports through dog and base and presss from both sides the leaf spring backing plate tightly, further fixed leaf spring backing plate, further prevents that the skew or rotation, the person's of facilitating the use from taking place for the leaf spring backing plate when the welding.

Description

Welding positioning fixture for drive axle plate spring backing plate

Technical Field

The utility model belongs to the welding set field, specifically speaking are drive axle plate spring welding position anchor clamps for backing plate.

Background

The axle housing of the drive axle is one of important parts on an automobile, plays a role in supporting the load of the automobile, and transfers the load to wheels, and the plate spring base plate as an accessory on the axle housing is an important part for positioning and connecting a plate spring suspension. Traditional leaf spring backing plate adopts the welding mode to carry out spacing hookup for the welding set of welding leaf spring backing plate is when using, because the size of leaf spring backing plate is different, fixes a position with the width of leaf spring backing plate mostly during frock location, has certain clearance between its locating pin and the leaf spring backing plate, leads to positioning failure to take place the skew easily when the clearance is too big, influences the welding effect.

SUMMERY OF THE UTILITY MODEL

The utility model provides a drive axle plate spring welding position anchor clamps for backing plate for solve the defect among the prior art.

The utility model discloses a following technical scheme realizes:

a welding and positioning fixture for a driving axle plate spring backing plate comprises a base, wherein a first screw hole is formed in the top surface of the base, a bolt is installed in the first screw hole through threads, the upper end of the bolt is fixedly connected with the lower end of a vertical cylinder, first through grooves are formed in the lower portions of two sides of the vertical cylinder respectively, second through grooves are formed in the upper portions of two sides of the vertical cylinder respectively, a first through hole is formed in the center of the top surface of the vertical cylinder, the bottom surface of the inner wall of the vertical cylinder is fixedly connected with the bottom surface of a supporting plate, a second through hole is formed in the upper portion of one side of the supporting plate, a transverse shaft is installed in the second through hole in a bearing mode, a clamping block is movably installed in each first through groove, a second screw hole is formed in the inner side of the clamping block respectively, a screw rod is installed in each second screw hole in a threaded mode, the inner end of each screw rod is fixedly connected with one end corresponding, the second penetrates the inslot and is movably mounted the dog respectively, and the dog passes through connecting device and vertical axis swing joint respectively, and connecting device can outwards promote corresponding dog, and the dog can follow corresponding second and pass through groove horizontal migration.

The welding and positioning fixture for the drive axle plate spring backing plate comprises a shaft sleeve, wherein the shaft sleeve is mounted on the peripheral bearing of the vertical shaft, blind holes are respectively formed in the inner sides of the stop blocks, guide rods are movably mounted in the blind holes and are respectively connected with the corresponding blind holes through springs.

According to the welding and positioning fixture for the drive axle plate spring backing plate, one side of the base is provided with the groove, the front of the groove is provided with the third through hole, the second screw rod is arranged in the third through hole in a bearing mode, the rear end of the second screw rod is connected with the rear bearing of the groove, the front portion and the rear portion in the groove are respectively movably provided with the sliding block, the sliding block is respectively provided with the third screw hole, the second screw rod respectively penetrates through the corresponding third screw hole and is in threaded fit with the third screw hole, the inner side of the sliding block is respectively fixedly connected with one end of the baffle, and the bottom surface of the baffle is respectively in contact fit with the top surface.

According to the welding and positioning fixture for the drive axle plate spring backing plate, the top surface and the bottom surface of the fixture block are respectively and fixedly provided with the limiting blocks, and the limiting blocks are located in the vertical cylinder.

According to the welding and positioning clamp for the drive axle plate spring backing plate, the handle is fixedly installed at the upper end of the vertical shaft.

According to the welding and positioning clamp for the drive axle plate spring backing plate, the anti-skid grains are arranged on the periphery of the handle.

The utility model has the advantages that: the utility model is characterized in that the bottom surface of the base is fixedly connected with the top surface of the workbench of the welding device when in installation (the welding device is the prior art, the specific structure and the using method are not described in detail herein, such as a welding machine), the device is used as a positioning tool of the plate spring cushion plate, when in use, a positioning hole at the center of the plate spring cushion plate is sleeved outside the vertical cylinder and pressed downwards, when the bottom surface of the plate spring cushion plate is contacted with the wedge surface of the corresponding stop block, the stop block moves inwards along the corresponding second through groove under the extrusion of the plate spring cushion plate, when the top surface of the plate spring cushion plate is positioned below the stop block, the positioning hole at the center of the plate spring cushion plate is sleeved outside the clamping block, then a user rotates the vertical shaft, the vertical shaft drives the horizontal shaft to rotate through the first helical gear and the second helical gear, the horizontal shaft drives the two screw rods connected with the horizontal shaft to synchronously rotate, when the vertical shaft can't rotate, the periphery of fixture block all cooperates with the inner wall contact of leaf spring backing plate locating hole, thereby make the leaf spring backing plate keep at central point and put, the user rotates the vertical cylinder after the regulation is accomplished, the vertical cylinder drives the bolt and rotates, the bolt drives the vertical cylinder and moves down this moment, the vertical cylinder drives corresponding dog lapse, make the bottom surface of dog and the top surface contact cooperation of leaf spring backing plate, mutually support through dog and base and press from both sides the leaf spring backing plate tightly, further fix the leaf spring backing plate, further prevent that the skew or rotation from taking place for the leaf spring backing plate when the welding, person's of facilitating the use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic structural diagram of the present invention; FIG. 2 is an enlarged view of section I of FIG. 1; FIG. 3 is an enlarged view of a portion II of FIG. 2; FIG. 4 is an enlarged view of the cross-sectional view of FIG. 2 taken along line B-B; fig. 5 is an enlarged view of the view from direction a of fig. 1.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

A welding and positioning clamp for a driving axle plate spring backing plate comprises a base 1, wherein a first screw hole 2 is formed in the top surface of the base 1, a bolt 3 is installed in the first screw hole 2, the upper end of the bolt 3 is positioned outside the first screw hole 2, the upper end of the bolt 3 is fixedly connected with the lower end of a vertical cylinder 4, two ends of the vertical cylinder 4 are sealed, the outer diameter of the vertical cylinder 4 is the same as the diameter of the bolt 3, first through grooves 5 are respectively formed in the lower parts of two sides of the vertical cylinder 4, second through grooves 6 are respectively formed in the upper parts of two sides of the vertical cylinder 4, a first through hole 7 is formed in the center of the top surface of the vertical cylinder 4, the bottom surface of the inner wall of the vertical cylinder 4 is fixedly connected with the bottom surface of a supporting plate 8, a second through hole 9 is formed in the upper part of one side of the supporting plate 8, a transverse shaft 10 is installed in the second through hole 9 in a bearing manner, clamping blocks 11 are respectively and movably installed in the first through, the outer end of each clamping block 11 is of an arc-shaped structure, the inner side of each clamping block 11 is provided with a second screw hole 12, the second screw holes 12 are coaxial with the second through holes 9, each second screw hole 12 is internally provided with a screw 13 in a threaded manner, the thread directions of the two screws 13 are opposite, the inner ends of the screws 13 are fixedly connected with one corresponding end of the transverse shaft 10, a vertical shaft 14 is arranged in the first through hole 7 through a bearing, two ends of the vertical shaft 14 are positioned outside the first through hole 7, the lower end of the vertical shaft 14 is fixedly provided with a first helical gear 15, the periphery of the transverse shaft 10 is fixedly provided with a second helical gear 16 meshed with the first helical gear 15, each second through groove 6 is internally and movably provided with a stop 17, the top surface of each stop 17 is of a wedge-shaped structure, each stop 17 is movably connected with the corresponding vertical shaft 14 through a connecting device, the connecting device can push the corresponding stop 17 outwards, and. The utility model is characterized in that the bottom surface of a base 1 is fixedly connected with the top surface of a workbench of a welding device when in installation (the welding device is the prior art, the specific structure and the using method are not described in detail herein, such as a welding machine), the device is used as a positioning tool of a plate spring cushion plate, a positioning hole at the center of the plate spring cushion plate is sleeved outside a vertical cylinder 4 and pressed downwards when in use, when the bottom surface of the plate spring cushion plate is contacted with the wedge surface of a corresponding stop block 17, the stop block 17 moves inwards along a corresponding second through groove 6 under the extrusion of the plate spring cushion plate, the pressing is stopped when the top surface of the plate spring cushion plate is positioned below the stop block 17, the positioning hole at the center of the plate spring cushion plate is sleeved outside a clamping block 11, then a user rotates a vertical shaft 14, the vertical shaft 14 drives a transverse shaft 10 to rotate through a first helical gear 15 and a second helical gear 16, the transverse shaft 10, corresponding fixture block 11 outwards removes simultaneously when two screw rods 13 rotate, when vertical shaft 14 can't rotate, fixture block 11's periphery all with the inner wall contact cooperation of leaf spring backing plate locating hole, thereby make the leaf spring backing plate keep at central point, the user rotates vertical cylinder 4 after the regulation is accomplished, vertical cylinder 4 drives bolt 3 and rotates, bolt 3 drives vertical cylinder 4 and moves down this moment, vertical cylinder 4 drives corresponding dog 17 and moves down, make the bottom surface of dog 17 and the top surface contact cooperation of leaf spring backing plate, mutually support through dog 17 and base 1 and press from both sides the leaf spring backing plate tightly, further fix the leaf spring backing plate, further prevent that the skew or rotation takes place for the leaf spring backing plate when the welding, user-friendly's use.

Specifically, as shown in fig. 2, the connecting device according to the present embodiment includes a shaft sleeve 18, a shaft sleeve 18 is mounted on an outer periphery of the vertical shaft 14, blind holes 19 are respectively formed inside the stoppers 17, guide rods 20 are respectively movably mounted in the blind holes 19, the guide rods 20 are respectively connected with the corresponding blind holes 19 through springs 21, one ends of the springs 21 are respectively fixedly connected with outer ends of the corresponding guide rods 20, and the other ends of the springs 21 are respectively fixedly connected with one side of the corresponding blind holes 19. Dog 17 can follow corresponding guide bar 20 and remove to the inside of vertical tube 4, when the user with the locating hole suit at leaf spring backing plate center in vertical tube 4 periphery, the bottom surface of dog 17 can cooperate with the top surface contact of leaf spring backing plate, prevent that the leaf spring backing plate from breaking away from or taking place the skew, when the user need dismantle the leaf spring backing plate, the user presses dog 17 to the inside of vertical tube 4, corresponding spring 21 is compressed this moment, can take off the leaf spring backing plate outside vertical tube 4 when the outer end homoenergetic of two dogs 17 can be located the locating hole at leaf spring backing plate center, when dog 17 does not have the effect of other external forces, under the effect of spring 21 elasticity, dog 17 moves outside vertical tube 4 and resets, convenience of customers's use.

Specifically, as shown in fig. 5, a groove 23 is formed in one side of the base 1 according to this embodiment, a top surface of the groove 23 is communicated with the outside, a third through hole 24 is formed in the front of the groove 23, a second screw 25 is mounted in the third through hole 24 in a bearing manner, both ends of the second screw 25 are located outside the third through hole 24, the screw thread turning directions of the front portion and the rear portion of the transverse center line of the second screw 25 are opposite, the rear end of the second screw 25 is connected with the rear bearing of the groove 23, a slider 26 is respectively movably mounted in the front portion and the rear portion of the groove 23, a third screw hole 27 is respectively formed in the slider 26, the second screw 25 respectively penetrates through the corresponding third screw hole 27 and is in threaded engagement with the third screw hole, the inner side of the slider 26 is respectively fixedly connected with one end of a baffle 28, the bottom surface of the baffle 28 is respectively in. When the user rotates second screw 25, slider 26 in recess 23 can be close to each other or keep away from each other (for example, two sliders 26 are close to each other when second screw 25 rotates clockwise, otherwise two sliders 26 are far away from each other), when two sliders 26 are close to each other, two sliders 26 drive corresponding baffle 28 and are close to each other, otherwise two baffles 28 are far away from each other, when two baffles 28 are close to each other, two baffles 28 can press from both sides tight leaf spring backing plate in the front and at the back, thereby improve the utility model discloses a press from both sides tight effect.

Further, as shown in fig. 2, the top surface and the bottom surface of the latch 11 according to this embodiment are respectively and fixedly mounted with a stop block 29, and the stop blocks 29 are both located in the vertical tube 4. This structural design can play spacing effect to fixture block 11, prevents that fixture block 11 from breaking away from corresponding first trough 5.

Further, as shown in fig. 1, a handle 22 is fixedly installed at the upper end of the vertical shaft 14 according to the embodiment. This structural design can provide corresponding stress point for the user to rotate vertical axis 14, and the convenience of customers rotates vertical axis 14.

Further, as shown in fig. 1, the handle 22 of the present embodiment is provided with an anti-slip pattern on the outer circumference. This structural design can increase the frictional force between handle 22 and the user hand, and the hand skids when preventing the user from rotating handle 22, improves the utility model discloses a reliability.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a drive axle plate spring welding position anchor clamps for backing plate, includes base (1), its characterized in that: the top surface of a base (1) is provided with a first screw hole (2), a bolt (3) is installed in the first screw hole (2) through internal threads, the upper end of the bolt (3) is fixedly connected with the lower end of a vertical cylinder (4), the lower parts of two sides of the vertical cylinder (4) are respectively provided with a first through groove (5), the upper parts of two sides of the vertical cylinder (4) are respectively provided with a second through groove (6), the center of the top surface of the vertical cylinder (4) is provided with a first through hole (7), the bottom surface of the inner wall of the vertical cylinder (4) is fixedly connected with the bottom surface of a supporting plate (8), the upper part of one side of the supporting plate (8) is provided with a second through hole (9), a transverse shaft (10) is installed in the second through hole (9) through a bearing, a clamping block (11) is movably installed in the first through groove (5), the inner side of the clamping block (11) is respectively provided with a second screw hole (12), a screw rod (13), a vertical shaft (14) is installed in a bearing in a first through hole (7), a first helical gear (15) is fixedly installed at the lower end of the vertical shaft (14), a second helical gear (16) meshed with the first helical gear (15) is fixedly installed on the periphery of a transverse shaft (10), stop blocks (17) are movably installed in second through grooves (6) respectively, the stop blocks (17) are movably connected with the vertical shaft (14) through connecting devices respectively, the connecting devices can push the corresponding stop blocks (17) outwards, and the stop blocks (17) can horizontally move along the corresponding second through grooves (6).

2. The welding positioning fixture for the drive axle plate spring backing plate according to claim 1, characterized in that: the connecting device comprises a shaft sleeve (18), the shaft sleeve (18) is mounted on the periphery of the vertical shaft (14) in a bearing mode, blind holes (19) are formed in the inner sides of the stop blocks (17), guide rods (20) are movably mounted in the blind holes (19), and the guide rods (20) are connected with the corresponding blind holes (19) through springs (21).

3. The welding positioning fixture for the drive axle plate spring backing plate according to claim 1, characterized in that: one side of base (1) set up recess (23), third through-hole (24) are seted up in the front of recess (23), bearing installation second screw rod (25) in third through-hole (24), the rear end of second screw rod (25) is connected with the back bearing of recess (23), anterior and rear portion in recess (23) are movable mounting slider (26) respectively, set up third screw (27) on slider (26) respectively, second screw rod (25) pass corresponding third screw (27) respectively and screw-thread fit with it, the inboard one end of fixed connection baffle (28) respectively of slider (26), the bottom surface of baffle (28) respectively with the top surface contact cooperation of base (1).

4. The welding positioning fixture for the drive axle plate spring backing plate according to claim 1, characterized in that: the top surface and the bottom surface of the clamping block (11) are respectively and fixedly provided with a limiting block (29), and the limiting blocks (29) are positioned in the vertical cylinder (4).

5. The welding positioning fixture for the drive axle plate spring backing plate according to claim 1, characterized in that: the upper end of the vertical shaft (14) is fixedly provided with a handle (22).

6. The welding positioning fixture for the drive axle plate spring backing plate according to claim 5, characterized in that: the periphery of the handle (22) is provided with anti-skid lines.