Wheel hub screw stamping tool

Abstract

The utility model provides a hub screw stamping tool which comprises a hub and a screw installed on the hub in a pressing mode and further comprises a base, a guide disc is connected to the base in a clamped mode, and sliding grooves are formed in the guide disc in a circumferential array mode. The rotating disc is rotationally arranged on the base, and an arc-shaped groove matched with the sliding groove is formed in the rotating disc; the two ends of the clamping block are located in the arc-shaped groove and the sliding groove respectively to slide, a clamping plate for clamping the hub is arranged on the clamping block in a sliding mode, and a first spring is arranged between the clamping plate and the clamping block; and the rotating rod is arranged on the base. According to the hub screw stamping tool, the rotating rod is rotated to control the rotating disc to rotate in the base, at the moment, the clamping blocks are driven by the arc-shaped grooves to slide in the sliding grooves, the distance between the opposite clamping blocks is adjusted, and the hub screw stamping tool is suitable for assembling hubs and screws of different specifications.

Description

TECHNICAL FIELD

[0001] The utility model relates to wheel hub assembly technical field, concretely related to a wheel hub screw stamping frock. BACKGROUND

[0002] Wheel hub is also called "wheel rim", and is one of important parts in automobile braking system, mainly supports the weight of vehicle body, and makes the vehicle travel stably.

[0003] In the production process of automobile braking system, in order to improve the supporting stability of wheel hub, a plurality of installation holes are often formed on the wheel rim of wheel hub, and screws are pressed into the installation holes through a punching machine, and in the process of pressing, the wheel hub needs to be positioned by frock to reduce the deformation phenomenon of wheel hub in the process of pressing, but when different specifications of wheel hub are replaced, frock needs to be redesigned and processed, so that the production cost is greatly improved. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the problem that frock does not adapt to different specifications of wheel hub in view of the above problems existing in prior art.

[0005] In order to realize the above-mentioned purpose, the utility model can realize through the following technical scheme: a wheel hub screw stamping frock, including wheel hub and screw pressed on the wheel hub, further including:

[0006] The base is provided with a guide disc clamped thereon, and a sliding groove is formed in the guide disc in a circumferential array;

[0007] The rotating disc is rotatably arranged on the base, and an arc-shaped groove is formed in the rotating disc and matched with the sliding groove;

[0008] The clamping block is slidably arranged in the arc-shaped groove and the sliding groove, and a clamping plate for clamping the wheel hub is slidably arranged on the clamping block, and a first spring is arranged between the clamping plate and the clamping block;

[0009] The rotating rod is arranged on the base and matched with the rotating disc, and the rotating disc is rotatably arranged in the base.

[0010] In the utility model embodiment, the base is provided with a fixing seat for supporting the rotating rod, and one end of the rotating rod is clamped with a transmission wheel;

[0011] The rotating disc is provided with a toothed disc engaged with the transmission wheel.

[0012] In the utility model embodiment, the fixing seat is threadedly connected with a locking sleeve matched with the rotating rod.

[0013] The utility model discloses an embodiment, the clamping block is provided with touch sensor, the base is provided with the split unit of touch sensor electric connection, the split unit with the wheel hub is matched.

[0014] An embodiment of the utility model discloses a recess is seted up on the clamping block, swing arm is rotatably connected in the recess, one end of swing arm is provided with the second spring of cooperation with clamping block, and the other end is provided with the protruding portion of cooperation with touch sensor.

[0015] An embodiment of the utility model discloses mounting hole is seted up on the clamping block, and the end of swing arm is located at the mounting hole and is stretched out and retracted.

[0016] An embodiment of the utility model discloses that the split unit includes base and the guide cylinder of sliding connection in the base the push column of abutting wheel hub is slidably arranged in the guide cylinder;

[0017] One side of base is provided with electric push rod, and the output end of electric push rod is provided with the sliding block in the base, and the sliding block is provided with the push rod of the card of guide cylinder.

[0018] An embodiment of the utility model discloses that the third spring of pushing push column is seted up in the guide cylinder.

[0019] An embodiment of the utility model discloses that the slide rail is seted up in the base, and the sliding block is located on the slide rail and slides.

[0020] An embodiment of the utility model discloses that the transmission rod of arc-shaped portion is seted up on the clamping block.

[0021] Compared with prior art, the utility model discloses an advantage that: by rotating the rotary lever, the rotating disc is controlled to rotate in the base, at this time, the clamping block is driven by the arc-shaped groove to slide in the sliding groove, the spacing of the relative clamping block is adjusted, and the wheel hub and screw assembly of different specifications are adapted. ACCURACY OF DRAWINGS

[0022] Figure 1 It is wheel hub and screw assembly structure schematic diagram on tooling;

[0023] Figure 2 It is the explosion schematic diagram of overall parts;

[0024] Figure 3 It is the part explosion structure schematic diagram in clamping block;

[0025] Figure 4 It is the internal part assembly plane schematic diagram of the half cut of tooling part;

[0026] Figure 5 It is wheel hub and screw assembly structure schematic diagram.

[0027] BRIEF DESCRIPTION OF DRAWINGS

[0028] 1, base; 11, guide disc; 110, sliding groove; 12, transmission rod; 13, rotating disc; 131, arc-shaped groove; 132, toothed disc; 14, fixing seat; 141, locking sleeve; 142, rotating rod; 143, transmission wheel; 2, clamping block; 21, first spring; 22, clamping plate; 23, rear cover; 24, swing arm; 25, protruding part; 26, touch sensor; 27, second spring; 28, mounting hole; 3, hub; 4, screw; 5, split unit; 51, sliding rail; 52, sliding block; 53, push rod; 54, third spring; 55, guide cylinder; 56, base; 57, electric push rod; 58, push column. DETAILED DESCRIPTION

[0029] The following is a specific embodiment of the present application and in combination with the drawings, the technical scheme of the present application is further described.

[0030] As Figures 1-5 shown, a hub screw stamping tool, comprising a hub 3 and a screw 4 pressed on the hub 3, further comprising:

[0031] The base 1 is provided with a guide disc 11 clamped thereon, and the guide disc 11 is provided with a plurality of sliding grooves 110 arranged in a circumferential array, which are uniformly distributed around the central axis of the guide disc 11. Similarly, the arc-shaped grooves 131 are distributed in the same manner as the sliding grooves 110.

[0032] The rotating disc 13 is rotatably arranged on the base 1, and the rotating disc 13 is provided with arc-shaped grooves 131 matched with the sliding grooves 110.

[0033] The clamping block 2 is slidably arranged in the arc-shaped grooves 131 and the sliding grooves 110, and the clamping block 2 is provided with a clamping plate 22 for clamping the hub 3, and the clamping plate 22 and the clamping block 2 are provided with a first spring 21, and the clamping block 2 is provided with a rear cover 23 for limiting the sliding of the clamping plate 22.

[0034] The rotating rod 142 is arranged on the base 1 and matched with the rotating disc 13, and the rotating disc 13 is rotatably arranged in the base 1.

[0035] Specifically, the guide disc 11 is fixedly connected to the base 1 by bolts, and the rotating disc 13 is located between the guide disc 11 and the base 1, so that the arc-shaped grooves 131 correspond to the sliding grooves 110, and the number of the clamping blocks 2, the arc-shaped grooves 131 and the sliding grooves 110 is consistent; before the wheel hub 3 and the screw 4 are press-fitted, the rotating rod 142 is rotated to drive the rotating disc 13 to rotate in the base 1, so that the clamping blocks 2 slide in the sliding grooves 110 under the drive of the arc-shaped grooves 131, and a plurality of clamping blocks 2 simultaneously move away from or close to the axis of the base 1, that is, the distance between the opposite sliding blocks 52 is adjusted to adapt to the press-fitting of wheel hubs 3 and screws 4 of different specifications, thereby improving the assembly effect of the wheel hub 3.

[0036] As a further provided embodiment of the utility model, the base 1 is provided with a fixed seat 14 supporting the rotating rod 142, one end of the rotating rod 142 is connected with a transmission wheel 143, the rotating disc 13 is provided with a toothed disc 132 engaged with the transmission wheel 143, the transmission wheel 143 has teeth engaged with the toothed disc 132 to drive the toothed disc 132 to rotate the rotating disc 13, and the engagement of the teeth improves the rotation accuracy and locking firmness of the rotating disc 13.

[0037] As a further provided embodiment of the utility model, the fixed seat 14 is threadedly connected with a locking sleeve 141, the locking sleeve 141 cooperates with the rotating rod 142, after the position of the clamping block 2 is adjusted, the locking sleeve 141 is rotated to gradually approach the rotating rod 142 under the action of the threaded groove and abut against the rotating rod 142 to limit the rotation of the rotating rod 142, and the abutting part of the rotating sleeve and the rotating rod 142 is made of rubber.

[0038] As a further provided embodiment of the utility model, the clamping block 2 is provided with a touch sensor 26, the base 1 is provided with a split unit 5 electrically connected with the touch sensor 26, the split unit 5 cooperates with the wheel hub 3, and the switch of the split unit 5 is controlled by the touch sensor 26 to reduce the phenomenon of missing or not assembling the screw 4.

[0039] As a further provided embodiment of the utility model, a recess is formed in the clamping block 2, and a swing arm 24 is rotatably connected in the recess, one end of the swing arm 24 is provided with a second spring 27 cooperating with the clamping block 2, and the other end is provided with a protruding part 25 cooperating with the touch sensor 26; when the screw 4 is press-fitted on the wheel hub 3, the screw 4 will contact the swing arm 24 to make the swing arm 24 rotate in the clamping block 2, at this time the second spring 27 is in a lifted state, until the protruding part 25 of the swing arm 24 contacts the touch sensor 26, so that the touch sensor 26 sends an electrical signal to control the split unit 5 to start running; when the wheel hub 3 is assembled and separated from the clamping block 2, the second spring 27 elastically pulls back the swing arm 24 to return to the initial position.

[0040] As a further provided embodiment of the utility model, mounting hole 28 is formed on clamping block 2, the end of swing arm 24 is located at mounting hole 28 and extends and retracts, mounting hole 28 is the guide hole of screw 4, screw 4 will contact swing arm 24 in the process of entering mounting hole 28, make swing arm 24 gradually retract to clamping block 2 with the falling column of screw 4.

[0041] As a further provided embodiment of the utility model, split unit 5 includes base 56 and guide cylinder 55 slidingly connected in base 56, push column 58 abutting wheel hub 3 is slidingly arranged in guide cylinder 55;

[0042] The side of base 56 is provided with electric push rod 57, the output end of electric push rod 57 is provided with sliding block 52 sliding in base 1, push rod 53 is provided on sliding block 52 and is engaged with guide cylinder 55, when screw 4 is all mounted on wheel hub 3, at this time, electric push rod 57 drives sliding block 52 to slide in base 1, push rod 53 drives guide cylinder 55 to slide along the axial direction upward under the push of sliding block 52, so that push column 58 pushes wheel hub 3 and clamping block 2 to separate, so as to improve the assembly efficiency of wheel hub 3.

[0043] As a further provided embodiment of the utility model, third spring 54 is arranged in guide cylinder 55 and pushes push column 58, when wheel hub 3 separates from clamping block 2, guide cylinder 55 continuously slides upward, so that third spring 54 is continuously compressed, the pushing force on push column 58 is increased, when the pushing force is gradually greater than the elastic clamping force of first spring 21 in clamping block 2, at this time, wheel hub 3 will gradually slide upward until separating from clamping block 2.

[0044] As a further provided embodiment of the utility model, slide rail 51 is arranged in base 1, and sliding block 52 slides on slide rail 51, slide rail 51 has the effects of limiting and guiding, so that sliding block 52 can only slide close to or away from base 56.

[0045] As a further provided embodiment of the utility model, transmission rod 12 is arranged on clamping block 2 and located in the arc-shaped part, transmission rod 12 is threadedly connected with clamping block 2, so as to form an integral body with clamping block 2, when rotary disc 13 rotates, transmission rod 12 slides in arc-shaped groove 131, so as to drive clamping block 2 to slide along sliding groove 110, so as to adjust the position of clamping block 2, wherein the number of clamping blocks 2 is consistent with the number of screws 4, the press-fitting mode of wheel hub 3 and screw 4 is that three or four screws 4 are pre-press-fitted for positioning and fixing, and the subsequent screws 4 are press-fitted, and the pre-press-fitted screws 4 are uniformly distributed.

[0046] The technical scheme of the present application provides a solution significantly different from the prior art, and the parts not involved in the technical scheme of the present application are the same as or can be realized by using the prior art, and will not be described herein.

[0047] The technical scheme in the above embodiments has clearly and completely described the content of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

Claims

1. A wheel hub screw stamping fixture, comprising a wheel hub and screws press-fitted onto the wheel hub, characterized in that, Also includes: A base, on which a guide disc is snapped, and the guide disc has grooves arranged in a circumferential array; A turntable, which is rotatably mounted on the base, and the turntable has an arc-shaped groove that matches the sliding groove; A clamping block, the two ends of which slide within the arc-shaped groove and the sliding groove respectively, a clamping plate for clamping the hub is slidably disposed on the clamping block, and a first spring is disposed between the clamping plate and the clamping block; A rotating rod is mounted on the base and cooperates with the turntable to control the rotation of the turntable within the base.

2. The wheel hub screw stamping fixture according to claim 1, characterized in that, The base is provided with a fixed seat to support the rotating rod, and a transmission wheel is engaged at one end of the rotating rod; The turntable is provided with a toothed disc that meshes with the transmission wheel.

3. The wheel hub screw stamping fixture according to claim 2, characterized in that, A locking sleeve is threaded onto the fixed base, and the locking sleeve cooperates with the rotating rod.

4. The wheel hub screw stamping fixture according to claim 1, characterized in that, The clamping block is equipped with a touch sensor, and the base is equipped with a splitting unit electrically connected to the touch sensor. The splitting unit cooperates with the wheel hub.

5. The wheel hub screw stamping fixture according to claim 4, characterized in that, A groove is provided on the clamping block, and a swing arm is rotatably connected in the groove. One end of the swing arm is provided with a second spring that cooperates with the clamping block, and the other end is provided with a protrusion that cooperates with the touch sensor.

6. The wheel hub screw stamping fixture according to claim 5, characterized in that, The clamping block has a mounting hole, and the end of the swing arm extends and retracts at the mounting hole.

7. The wheel hub screw stamping fixture according to claim 4, characterized in that, The splitting unit includes a base and a guide cylinder slidably connected to the base. A push column that abuts against the wheel hub is slidably disposed inside the guide cylinder. An electric push rod is provided on one side of the base, and a slider is provided at the output end of the electric push rod, which slides within the base. A push rod that engages with the guide cylinder is provided on the slider.

8. A wheel hub screw stamping fixture according to claim 7, characterized in that, The guide tube is equipped with a third spring that pushes against the push column.

9. A wheel hub screw stamping fixture according to claim 7, characterized in that, The base is provided with a slide rail, and the slider slides on the slide rail.

10. A wheel hub screw stamping fixture according to claim 1, characterized in that, The clamping block is provided with a transmission rod located on the arc-shaped part.

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