CN220407912U

CN220407912U - Universal clamping tool for hub die

Info

Publication number: CN220407912U
Application number: CN202321545424.7U
Authority: CN
Inventors: 刘博文; 张殿杰; 董志强; 刘志广; 张海涛; 李少昌
Original assignee: Qinhuangdao Xinglong Wheels Co ltd
Current assignee: Qinhuangdao Xinglong Wheels Co ltd
Priority date: 2023-06-16
Filing date: 2023-06-16
Publication date: 2024-01-30
Anticipated expiration: 2033-06-16

Abstract

The utility model discloses a universal clamping tool for hub dies, which relates to the field of hub die manufacturing and comprises a fixed block, wherein the fixed block is provided with a fixed bolt, the fixed bolt is arranged corresponding to a fixed bolt hole site of a hub die workpiece, so that the hub die workpiece can be locked on the fixed block through the threaded connection of the fixed bolt and the fixed bolt hole, the fixed block is connected with a cross beam in a sliding manner, and the cross beam is provided with the fixed bolt. The clamping tool of the T-shaped structure and the frame structure achieves a more stable clamping effect; and the processing requirement of locking and fixing a plurality of workpieces at the same time can be met, the working efficiency is further improved, and the labor intensity of operators is reduced.

Description

Universal clamping tool for hub die

Technical Field

The utility model relates to the field of hub die manufacturing, in particular to a universal clamping tool for a hub die.

Background

In the machining process of the numerical control center, the hub die is required to be fastened on the table top of the machining center through a pressing plate, so that the fastening of the die is realized. Because the modeling and the processing positions of different workpieces are different, in the actual operation process, the problem that the pressing plate interferes with the processing path often occurs in a fastening mode of pressing the workpieces through the pressing plate, the numerical control processing center can only be stopped, the pressing plate interfering with the processing path is transferred to the position where the processing is completed through the inverted pressing plate to press the workpieces again, and the processing is performed again until the processing is completed. The operation mode has the following defects:

the operation efficiency is low, needs frequent shut down to fall the clamp plate in the course of working, has restricted machining efficiency's promotion, can't satisfy the operation requirement that falls this and carry the effect, and the course of working needs the whole control of operating personnel, has increased intensity of labour.

The machining precision is poor, frequent loosening and locking pressing plates change the pressing position to reprocess, and workpiece positioning deviation is inevitably generated, so that the machining precision is affected. The surface of the processed workpiece is directly provided with a knife receiving edge, and the workpiece is required to be polished, so that the size precision and the appearance quality of the workpiece cannot be guaranteed, and the manual polishing is time-consuming and labor-consuming.

Disclosure of Invention

The utility model aims to solve the problems that the work efficiency is low and the machining precision is poor due to workpiece clamping in the machining process of a numerical control machining center of an existing hub die workpiece.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a general type dress card frock for wheel hub mould, includes the fixed block, be provided with fixing bolt on the fixed block, fixing bolt corresponds the fixing bolt hole site setting of wheel hub mould work piece, makes the spiro union cooperation of wheel hub mould work piece accessible fixing bolt and fixing bolt hole, locks on the fixed block.

Preferably, the bottom of the fixed block is provided with a chute capable of accommodating the bolt cap of the fixed bolt along the length direction, the top of the fixed block is provided with a long hole corresponding to the screw rod of the fixed bolt, the bolt cap of the fixed bolt is in sliding fit in the chute, and the screw rod of the fixed bolt can penetrate through the long hole and be exposed out of the top of the fixed block.

Preferably, the fixing block is connected with a cross beam, and a fixing bolt is arranged on the cross beam.

Preferably, the fixing bolt is movably connected with the cross beam, so that the fixing bolt can be freely positioned in the length direction of the cross beam.

Preferably, the crossbeam is connected with the fixed block in a sliding way, the side wall of the fixed block is provided with a connecting groove, the end of the crossbeam is provided with a connecting lug corresponding to the sliding groove, and the fixed block and the crossbeam are matched in a sliding way through a concave-convex fit or dovetail fit structure.

Preferably, the clamping tool is a frame structure formed by two fixing blocks and a plurality of cross beams, sliding grooves are formed in the opposite side walls of the two fixing blocks, and two ends of the cross beams are respectively and slidably connected in the sliding grooves of the two fixing blocks.

Preferably, the fixing bolt is in sliding connection with the fixing block through a sliding block, the sliding block is in sliding fit with a sliding groove formed in the fixing block, and a through hole is formed in the sliding block corresponding to the screw of the fixing bolt and is used for the screw to pass through.

The utility model has the beneficial effects that:

according to the utility model, the fixed block is used as a transitional connecting piece between the hub die workpiece and the numerical control machining center table top, so that a pressing plate is not required to be arranged on the hub die workpiece body, the locking and fixing of the workpiece can be realized by only pressing the fixed block by using the pressing plate, the problem that the pressing plate pressed on the die workpiece interferes with a machining path is solved, a complicated operation mode of frequently stopping the pressing plate is avoided, and the operation efficiency and the machining quality are improved. The clamping tool with the T-shaped structure can provide more fastening points to obtain a more stable clamping effect; the clamping tool of the frame structure is higher in structural stability and firmer in clamping, meanwhile, the plurality of cross beams are connected with the fixing blocks in a sliding mode, the requirement of processing of locking and fixing a plurality of workpieces simultaneously can be met, the workpieces are processed by one-time clamping, the working efficiency is improved, and the labor intensity of operators is reduced.

Drawings

The utility model will be described in further detail with reference to the drawings and the detailed description.

FIG. 1 is a three-view of a first embodiment of the present utility model, wherein (1-1) is a front view, (1-2) is a top view of (1-1), and (1-3) is a side view of (1-1).

Fig. 2 is a schematic structural diagram of a second embodiment of the present utility model.

FIG. 3 is a schematic view of the structure in the direction A-A in FIG. 2.

Fig. 4 is an enlarged schematic view of fig. 3 before assembly at B.

Fig. 5 is a schematic structural view of an embodiment of the frame structure of the present utility model.

In the figure: 10- -a fixed block; 11- -a fixing bolt; 12- -a chute; 13-slot holes; 14- -a connecting groove; 15- -a slider; 20- -a cross beam; 21- -connection bumps.

Detailed Description

As a first embodiment, as shown in FIG. 1, a universal clamping tool for a hub die comprises a fixing block 10, wherein fixing bolts 11 are arranged on the fixing block 10, the fixing bolts 11 are arranged corresponding to bolt hole sites on a hub die workpiece, so that the hub die workpiece can be locked on the fixing block 10 through screw connection cooperation of the fixing bolts and bolt holes. When the hub die is used, the hub die workpiece and the fixed block 10 are locked and fixed, and then the fixed block 10 fastened with the hub die workpiece is tightly pressed on the table top of the machining center through the pressing plate, so that the fastening of the hub die tool is completed. Through setting up fixed block 10 as the transitional coupling spare of work piece and processing mesa, need not to set up the clamp plate on making wheel hub mould work piece body again, only need compress tightly fixed block 10 and can realize the locking of work piece and fix to eliminate the clamp plate interference processing route's that presses on the mould work piece problem, removed the operation mode of frequent shut down backing plate from, promoted operating efficiency and processingquality.

In order to meet the fastening requirements of different workpieces, the fixing bolts 11 are movably connected with the fixing blocks 10, so that the positions of the fixing bolts 11 can be adjusted, and the different workpieces can be conveniently locked and fixed. Specifically, a sliding groove 12 capable of accommodating the bolt cap of the fixing bolt 11 is formed in the bottom of the fixing block 10 along the length direction, a long hole 13 is formed in the top of the fixing block 10 corresponding to the screw rod of the fixing bolt 11, so that the bolt cap of the fixing bolt 11 is slidably matched in the sliding groove 12, and the screw rod of the fixing bolt 11 can penetrate through the long hole 13 and be exposed out of the top of the fixing block 10. The fixing bolt 11 has a degree of freedom in the length direction of the fixing block 10, and when different workpieces are fastened, the position of the fixing bolt 11 can be adjusted according to the position of the workpiece fixing bolt hole site, so that the locking and fixing of the different workpieces are completed.

As shown in fig. 2, in the second embodiment, the fixing block 10 is connected with a cross beam 20, so that the present utility model forms a T-shaped structure, and the fixing bolt 11 is disposed on the cross beam 20, which expands the fastening points of the clamping tool, and when multi-point fastening is required for a workpiece with a larger size, the T-shaped clamping tool can provide more fastening points, thereby obtaining a more stable clamping effect.

Further, the fixing bolt 11 is movably connected with the cross beam 20, and the specific embodiment can refer to the matching relation between the fixing block 10 and the fixing bolt 11, so that the fixing bolt 11 can be freely positioned in the length direction of the cross beam 20, a clamping tool with an XY coordinate system is formed, the application range of the clamping tool is further expanded, the clamping tool has certain universality, when different workpieces are clamped, the positions of the fixing bolt 11 on the fixing block 10 and the cross beam 20 are respectively adjusted to correspond to the positions of the fixing bolt holes of different workpieces, the clamping tool and the workpieces can be fastened, and then the fixing block 10 and the cross beam 20 are pressed by the pressing plate, so that the locking and fixing of the workpieces are completed.

Further, as shown in fig. 3-4, the cross beam 20 is slidably connected with the fixing block 10, so as to further improve the application range of the clamping tool. Specifically, the lateral wall of fixed block 10 has seted up spread groove 14, and the end of crossbeam 20 corresponds spout 12 and is provided with connection lug 21, fixed block 10 and crossbeam 20 realize sliding fit through unsmooth cooperation or forked tail cooperation structure, make crossbeam 20 can follow fixed block 10 length direction free positioning, improved the flexibility in the use.

As shown in fig. 5, in order to improve the structural stability of the clamping tool, in this embodiment, the clamping tool is configured as a frame structure composed of two fixing blocks 10 and a plurality of beams 20, the opposite side walls of the two fixing blocks 10 are provided with sliding grooves 12, and two ends of the beams 20 are respectively slidably connected in the sliding grooves 12 of the two fixing blocks 10. The clamping tool of the frame structure is higher in structural stability and firmer in clamping. Simultaneously, a plurality of crossbeams 20 all sliding connection fixed block 10 can satisfy the demand of the processing of a plurality of work pieces simultaneous locking fixed, and a plurality of work pieces processing has been accomplished to once dress card, has improved operating efficiency.

Further, as shown in fig. 4, the fixing bolt 11 is slidably connected to the fixing block 10 through a slider 15. Specifically, the sliding block 15 is in sliding fit with the sliding groove 12 formed in the fixed block 10, and a through hole is formed in the sliding block 15 corresponding to the screw of the fixed bolt 11 for the screw to pass through. The slider 15 increases the stress area of the fixing bolt 11 during locking and fastening, and improves the fastening degree of the fixing bolt 11. Meanwhile, the sliding block 15 limits the freedom degree of the fixing bolt 11 to a certain extent, improves the loose and swaying state of the fixing bolt 11, and improves the overall regularity of the clamping tool.

The foregoing disclosure is merely illustrative of specific embodiments of this patent and this patent is not to be construed as limiting, since modifications will be apparent to those skilled in the art without departing from the principles of the utility model.

Claims

1. A general type dress card frock for wheel hub mould, its characterized in that: the fixing device comprises a fixing block (10), wherein a fixing bolt (11) is arranged on the fixing block (10), the fixing bolt (11) is arranged corresponding to a fixing bolt hole site of a hub die workpiece, and the hub die workpiece is locked on the fixing block (10) through threaded fit of the fixing bolt (11) and the fixing bolt hole site.

2. The universal clamping tool for hub molds as claimed in claim 1, wherein: the bottom of the fixed block (10) is provided with a chute (12) which can accommodate the bolt cap of the fixed bolt (11) along the length direction, the top of the fixed block (10) is provided with a long hole (13) corresponding to the screw rod of the fixed bolt (11), the bolt cap of the fixed bolt (11) is in sliding fit in the chute (12), and the screw rod of the fixed bolt (11) can penetrate through the long hole (13) to be exposed out of the top of the fixed block (10).

3. The universal clamping tool for hub molds as claimed in claim 1, wherein: the fixing block (10) is connected with a cross beam (20), and the cross beam (20) is provided with a fixing bolt (11).

4. A universal clamping fixture for hub molds as defined in claim 3, wherein: the fixing bolt (11) is movably connected with the cross beam (20), so that the fixing bolt (11) can be freely positioned in the length direction of the cross beam (20).

5. A universal clamping fixture for hub molds as defined in claim 3, wherein: the cross beam (20) is in sliding connection with the fixed block (10), the side wall of the fixed block (10) is provided with the connecting groove (14), the end of the cross beam (20) is provided with the connecting convex block (21) corresponding to the sliding groove (12), and the fixed block (10) and the cross beam (20) are in sliding fit through a concave-convex fit or dovetail fit structure.

6. The universal clamping tool for hub molds as claimed in claim 1, wherein: the clamping tool is of a frame structure formed by two fixing blocks (10) and a plurality of cross beams (20), sliding grooves (12) are formed in the opposite side walls of the two fixing blocks (10), and two ends of each cross beam (20) are respectively and slidably connected in the corresponding sliding groove (12) of the corresponding fixing block (10).

7. A universal clamping fixture for hub moulds according to any of the claims 1-6, characterised in that: the fixing bolt (11) is in sliding connection with the fixing block (10) through the sliding block (15), the sliding block (15) is in sliding fit with the sliding groove (12) formed in the fixing block (10), and a through hole is formed in the sliding block (15) corresponding to the screw of the fixing bolt (11) and used for the screw to pass through.