CN209465976U - A kind of workpiece positioning and clamping device - Google Patents

Abstract

The utility model discloses a kind of workpiece positioning and clamping device, solve shell class clamping workpiece complexity in the prior art, ineffective problem；With reducing machining period, reducing cost of labor, quickly the advantages of positioning, scheme is as follows: a kind of workpiece positioning and clamping device, including support member are supported workpiece by support member；Positioning element is set to support member side, and positioning element one end shape and the shape of workpiece are adapted to position to workpiece；Pressing plate can be set in workpiece or above workpiece to push down workpiece above workpiece；Fastener, fastener and pressing plate cooperate to provide lower pressure to workpiece.

Description

A kind of workpiece positioning and clamping device

Technical field

The utility model relates to manufacture fields, more particularly to a kind of workpiece positioning and clamping device.

Background technique

In the prior art to the processing of shell class workpiece, positioning means are complex, and working efficiency is low, especially in loading machine Between small shell structure positioning process, it is the important component in transmission system, position that intermediate small shell, which is the main component of Driving axle housing, Complex-shaped because casting in loading machine front-rear axle centre, processing rear end face aperture to inner cavity profile only has maximum 4mm, passes Uniting, processing method clamping workpiece, positioning and removal efficiency are low, and error rate is high, urgent need solved by processing tool processing quality and The problems such as efficiency.

Therefore, new researching and designing need to be carried out to a kind of workpiece positioning and clamping device.

Utility model content

A kind of in order to overcome the deficiencies of the prior art, the utility model provides workpiece positioning and clamping device, is conducive to pair The accurate positionin of shell class workpiece greatly shortens machining period and rejection rate, improves production efficiency.

A kind of concrete scheme of workpiece positioning and clamping device is as follows:

A kind of workpiece positioning and clamping device, comprising:

Support member is supported workpiece by support member；

Positioning element is set to support member side, and positioning element one end shape and the shape of workpiece are adapted to work Part is positioned；

Pressing plate can be set in workpiece or above workpiece to push down workpiece above workpiece；

Fastener, fastener and pressing plate cooperate to provide lower pressure to workpiece.

Above-mentioned positioning and clamping device effectively supports workpiece by support member, is matched by pressing plate and fastener Conjunction effectively clamps workpiece, guarantees the stability of workpiece setting, is adapted, is conducive to by positioning element end and workpiece Quick positioning to workpiece.

Further, the support member includes several lip blocks, adjacent lip block interval set distance setting.

Further, the positioning element includes set on the fixing seat of the support member side and set on the imitative of fixing seat Shape locating piece, profiling locating piece can be slided relative to fixing seat to be arranged, and profile department, profile department shape is arranged in profiling locating piece end Shape is matched with work pieces mate portion shape, and profiling locating piece can slide into workpiece, and profile department is in contact with work piece inner surface and is used for Workpiece is positioned, for intermediate small shell, sets wavy for profiling locating piece end, realize the positioning to workpiece and is consolidated Fixed, to guarantee to come into full contact with work piece inner surface curved surface, the profile department is answered with the error gap that is consistent of work piece inner surface curved surface Less than 0.5mm.

Further, the auxiliary section is the groove set on workpiece surface.

Further, the fixing seat is provided with sliding slot or setting track, to cooperate with the profiling locating piece.

It further, further include tool base plate, the support member and positioning element are set to tool base plate, the fastening Part includes the screw rod that can be installed on tool base plate and the nut above pressing plate, and nut is band shoulder nut, and bolt passes through pressing plate Setting.

It further, further include auxiliary supports, auxiliary supports can be set between the nut and the pressing plate.

Further, the auxiliary supports are that backing plate or cushion block or fork-shaped backing plate, auxiliary supports are played a supporting role, Make nut only and need to unclamp one to two circle can extract, it is not necessary to which all disassembly lower nuts play the role of fast quick-detach and clamping.

Further, the shape of the pressing plate and the shape of workpiece are adapted, and platen edge opens up notch and is used for and workpiece Protrusion match, and pressing plate is provided with bolt mouth and passes through for bolt in fastener.

Further, the tool base plate is equipped with for the rough positioning blocks with the cooperation of the hoisting port of side surface of workpiece, coarse positioning The replaceable setting of block, rough positioning blocks, which pass through, to be arranged in the groove of tool base plate and is fixed on tool base plate, rough positioning blocks by with work The cooperation of the components such as the cyclic annular hoisting port on part side, realizes coarse positioning.

And/or tool base plate setting positioning column to be to position workpiece aperture, the replaceable setting of positioning column.

In another arrangement, the tool base plate surface is equipped at least two groups support member, between adjacent support member Equipped with positioning element, one group of support member corresponds to respective pressing plate and fastener；

Positioning element includes the fixing seat between two groups of support members, and fixing seat is equipped with consistent with support member quantity Profiling locating piece, profiling locating piece can be slided relative to fixing seat to be arranged, and profiling locating piece setting profile department shape and work Part auxiliary section shape matches.

Compared with prior art, the utility model has the beneficial effects that

1) the utility model can realize workpiece by the setting of multiple positioning elements and be accurately positioned, can guarantee stabilization Reliably reach better position precision and machined surface quality, improves product competitiveness.

2) the utility model passes through the setting of pressing plate and fastener, can effectively clamp to workpiece, and passes through auxiliary branch The setting of support member is conducive to greatly shorten machining period and rejection rate, improves production efficiency.

3) at least two stations, effectively save space can be arranged by one piece of tool base plate in the utility model, and energy is fast Speed positioning, it is easy to operate, program processing is directly run after being fixedly clamped, and reduces labor intensity.

4) setting of the utility model entirety, reduces machining period, reduces cost of labor, improve equipment capacity, Loss caused by reducing because of misoperation reduces very considerable production cost, duration cost in high volume production process.

5) the utility model positioning and clamping device is practical reliable, is conducive to maintenance and replacement.

Detailed description of the invention

The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.

Fig. 1 is the perspective view of positioning and clamping device in the utility model section Example；

Fig. 2 is the top view of positioning and clamping device in the utility model section Example；

Fig. 3 is the side view of positioning and clamping device in the utility model section Example；

Fig. 4 is profiling positioning block structure schematic diagram in the utility model section Example；

Wherein: 1. tool base plates, 2. lip blocks, 3. grooves, 4. fixing seats, 5. profiling locating pieces, 6. pressing plates, 7. spiral shells Mother, 8. auxiliary supports, 9. positioning columns, 10. workpiece, 11. profile departments, 12. rough positioning blocks.

Specific embodiment

It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field The identical meanings of understanding.

It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.

As background technique is introduced, the deficiencies in the prior art, in order to solve technical problem as above, this Shen It please propose a kind of workpiece positioning and clamping device.

In a kind of typical embodiment of the application, as depicted in figs. 1 and 2, a kind of workpiece positioning and clamping device, including Support member is supported workpiece by support member；Positioning element is set to support member side, and positioning element one end Shape and the shape of workpiece are adapted to position to workpiece；Pressing plate can be set in workpiece or be set to above workpiece with from work Workpiece is pushed down above part；Fastener, fastener and pressing plate cooperate to provide lower pressure to workpiece, and support member and positioning element are set In tool base plate, the fastener includes the screw rod that can be installed on tool base plate and the nut above pressing plate, and nut is band Shoulder nut.

Support member includes the contour lip block 2 of several interval pre-determined distances, facilitates setting workpiece, lip block 2 with Tool base plate 1 is fastenedly connected by soket head cap screw, and lip block 2 is distributed in tool base plate 1 in a ring, is pushed up in lip block 2 The positioning step that portion's setting matches with 10 shape of workpiece, for matching with workpiece 10, realization fixes and supports effect.Positioning Step side is preferably cylinder.

Rough positioning blocks 12 are fixed on tool base plate 1, rough positioning blocks 12 and workpiece by the way that the groove 3 of tool base plate 1 is arranged in The cooperation of the components such as the cyclic annular hoisting port on 10 sides, realizes the coarse positioning of workpiece, ditch of the rough positioning blocks 12 relative to tool base plate 1 Slot 3 can be inserted into, and when needing replacing, replace rough positioning blocks 12.Groove 3 includes interconnected two parts, two parts length Direction is not parallel, so that rough positioning blocks 12 cannot rotate after being embedded in groove 3.

Positioning column 9 is set in tool base plate 1, positioning column 9 can be inserted or be threadedly connected to tool base plate setting, and realization can Replacement, it is convenient for safeguarding, as shown in figure 3, the lower section of workpiece 10 is arranged in positioning column 9, the aperture phase for the lower end with workpiece 10 Cooperation is realized and is acted on the radial accurate positioning of workpiece 10.

Fixing seat 4 is positioned by positioning pin with tool base plate 1, is realized by soket head cap screw solid with tool base plate 1 It is fixed.The sliding part matched with profiling locating piece 5 is arranged in fixing seat 4.Sliding part is for realizing profiling locating piece 5 in fixing seat 4 There is the movement of limit, sliding part can be sliding rail or sliding slot, preferably sliding slot.Profiling locating piece 5 is for realizing to workpiece 10 weeks To accurate positioning.

Profiling locating piece 5 is set to fixing seat 4, profiling locating piece 5 at one is arranged for clamping at one, in some embodiments In, fixing seat 4 passes through sliding slot at two and profiling locating piece 5 at two is arranged, and profiling locating piece 5 is matched with the sliding part of fixing seat 4, Realize moving along designated position, so that profiling locating piece 5 can be separated with workpiece easyly, workpiece disassembly is more easy.Profiling is fixed Position 5 one end of block is set as the strip to match with sliding slot, and the other end is profile department 11, as shown in figure 4, profile department 11 is prominent downwards It is arranged for profiling locating piece 5, profile department 11 is in contact with 10 auxiliary section of workpiece, and shape and 10 inner surface curved surface of workpiece match It closes, is set as wavy herein, realize positioning and fixation to workpiece 10, to guarantee sufficiently to connect with the inner surface curved surface of workpiece 10 Touching, profile department 11 should be less than 0.5mm with the error gap that is consistent of 10 inner surface curved surface of workpiece.Auxiliary section is workpiece in the present embodiment The groove of inner surface.

Notch is arranged in pressing plate 6, matches with the protrusion of workpiece 10, while pressing plate 6 is additionally provided with screw rod mouth, wears for screw rod It crosses, screw rod one end is connect with tool base plate, and the other end wears workpiece, pressing plate attaching nut, provides lower pressure, pressure to workpiece 10 Replacement can be achieved for plate, screw rod and nut so that it is convenient to clamping, disassembly workpiece, and convenient for maintenance to positioning and clamping device.

It is matched with shoulder nut 7 with the screw rod for passing through pressing plate, is used to fastening screw, workpiece pressing.

Auxiliary supports 8 are arranged between pressing plate and workpiece 10, play and increase platen driving face product.Pressing plate is avoided to deform The notch being embedded in for screw rod is arranged in effect, auxiliary supports 8, and making 7, shoulder nut, band that need to unclamp one to two circle can extract, no Lower band shoulder nut 7 must be all dismantled, fast quick-detach and clamping are played the role of.Auxiliary supports 8 can be using backing plate, cushion block etc. Device, it is contemplated that economy and practicability preferably use fork-shaped backing plate herein, and the side band of fork-shaped backing plate is jagged, Ke Yifang Just it is removed and placed into slave screw rod.

The utility model rough positioning blocks 12 cooperate positioning column 9, profiling locating piece 5 to realize the quick accurate positioning to workpiece. Using pressing plate workpiece pressing, clamping workpiece and removal efficiency are higher.

The specifically used method of the utility model positioning and clamping device is as follows:

1) inner hole of workpiece is located in tool locating column 9, and rotational workpieces are so that the rings base part such as hole for hoist of side surface of workpiece is fixed Positioned at rough positioning blocks 12；

2) mobile profiling locating piece 5, matches it with the curved surface of 10 inner surface of workpiece, realizes the positioning to workpiece 10；

3) pressing plate is set on the inside of workpiece 10, passes through pressing plate and screw rod is set, screw rod one end wears workpiece, pressing plate is connected with fork Shape cushion block and with shoulder nut, restraint zone shoulder nut realizes the compression to workpiece；

4) workpieces processing；

5) band shoulder nut 2-3 is unclamped after processing is completed to enclose, pull down fork-shaped cushion block, take out pressing plate.

6) the rings base parts such as the hoisting ring of side surface of workpiece are passed through using suspender etc. hangs lower workpiece.

Positioning and clamping device disclosed above, can be not only used for the clamping of Driving axle housing, can be also used for other shells The positioning of body class workpiece and clamping.

The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.

Claims (10)

1. a kind of workpiece positioning and clamping device characterized by comprising

Support member is supported workpiece by support member；

Positioning element, is set to support member side, and positioning element one end shape and the shape of workpiece be adapted with to workpiece into Row positioning；

Pressing plate can be set in workpiece or above workpiece to push down workpiece above workpiece；

Fastener, fastener and pressing plate cooperate to provide lower pressure to workpiece.

2. workpiece positioning and clamping device according to claim 1, which is characterized in that the support member includes several supports Cushion block, adjacent lip block interval set distance setting.

3. workpiece positioning and clamping device according to claim 1, which is characterized in that the positioning element includes set on described The fixing seat of support member side and profiling locating piece set on fixing seat, profiling locating piece can be set relative to fixing seat activity It sets, profile department is arranged in profiling locating piece end, and profile department shape is matched with work pieces mate portion shape.

4. workpiece positioning and clamping device according to claim 3, which is characterized in that the fixing seat is provided with sliding slot or setting Track, to cooperate with the profiling locating piece.

5. workpiece positioning and clamping device according to claim 1, which is characterized in that it further include tool base plate, the branch Support part part and positioning element are set to tool base plate, and the fastener includes that can be installed on the screw rod of tool base plate and be set on pressing plate The nut of side.

6. workpiece positioning and clamping device according to claim 5, which is characterized in that it further include auxiliary supports, auxiliary branch Support member can be set between the nut and the pressing plate.

7. workpiece positioning and clamping device according to claim 1, which is characterized in that the shape of the pressing plate and the shape of workpiece Shape is adapted.

8. workpiece positioning and clamping device according to claim 7, which is characterized in that the platen edge opens up notch.

9. workpiece positioning and clamping device according to claim 5, which is characterized in that the tool base plate is equipped with and is used for and work The rough positioning blocks of the hoisting port cooperation of part side；

And/or the tool base plate setting positioning column is to position workpiece.

10. workpiece positioning and clamping device according to claim 5, which is characterized in that the tool base plate surface is equipped with extremely Few two groups of support members, are equipped with positioning element between adjacent support member, and one group of support member correspond to respective pressing plate and tightly Firmware；

Positioning element includes the fixing seat between two groups of support members, and fixing seat is equipped with consistent imitative with support member quantity Shape locating piece, profiling locating piece can be slided relative to fixing seat to be arranged, and profiling locating piece setting profile department shape is matched with workpiece Conjunction portion shape matches.