CN215788308U - Jig device with central positioning function - Google Patents

Abstract

The utility model discloses a jig device with central positioning function, which comprises a positioning mechanism and a four-axis machine base, wherein a supporting seat and two connecting seats for fixing on a CNC four-axis machine base are arranged on the four-axis machine base, the two connecting seats are arranged on two sides of the supporting seat to form a space for placing a product blank, the positioning mechanism comprises a conical positioning block, and the conical positioning block is arranged on the supporting seat and used for realizing the positioning of the center of the product blank.

Description

Jig device with central positioning function

Technical Field

The utility model relates to the technical field of CNC (computer numerical control) machining, in particular to a jig device with a center positioning function.

Background

The jig device is used for ensuring the product quality, improving the working efficiency and expanding the process range of the machine tool.

The product blank is required to be positioned or clamped in the processing process, the clamped product is only limited to a standard circular blank by the traditional three-jaw chuck, and the product is required to be disassembled and then processed when other end faces are required to be processed, so that the working efficiency is low, and time and money are consumed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a jig device with central positioning, which can be arranged on a CNC four-axis machine table through a four-axis machine base to process a product blank, thereby not only simplifying the processing technology of the product blank, but also ensuring the dimensional stability of the product blank after processing.

The utility model also provides a jig device with central positioning, which is characterized by comprising a positioning mechanism and a four-axis machine base, wherein the four-axis machine base is provided with a supporting seat and two connecting seats for fixing on a CNC four-axis machine base, the two connecting seats are arranged on two sides of the supporting seat to form a space for placing a product blank, the positioning mechanism comprises a conical positioning block, and the conical positioning block is arranged on the supporting seat and used for realizing the positioning of the center of the product blank.

In the jig device according to an embodiment of the present invention, the positioning mechanism includes a positioning seat, a positioning block moving cavity is disposed in the positioning seat, and one end of the conical positioning block is movably mounted in the positioning block moving cavity for adjusting the extending length of the conical positioning block.

In the jig device according to an embodiment of the present invention, the positioning mechanism includes a first elastic member, one end of the first elastic member abuts against the positioning seat, and the other end of the first elastic member abuts against the tapered positioning block.

In the jig device according to an embodiment of the present invention, the tapered positioning block has a tapered portion and a limiting portion, the tapered portion is connected to the limiting portion, the limiting portion is mounted in the positioning block movable cavity, and a taper range of the tapered portion is 0 to 5 degrees.

In the jig device according to an embodiment of the present invention, the positioning seat includes a first washer and an auxiliary positioning plate, the movable cavity of the positioning block is disposed in the first washer, and the first washer is fixed to the auxiliary positioning plate.

In the jig device according to an embodiment of the present invention, the limiting portion is provided with a first elastic member mounting hole, and the first elastic member is accommodated in the first elastic member mounting hole.

In an embodiment of the present invention, the positioning mechanism includes a handle, the handle is fixed to the auxiliary positioning plate, and the first washer is disposed opposite to the handle.

In an embodiment of the present invention, the jig device includes an orientation mechanism, and the orientation mechanism is mounted on the connecting seat and is configured to calibrate a plane of the product blank.

In an embodiment of the present invention, the jig device includes a clamping mechanism, and the clamping mechanism is mounted on the connecting seat and configured to press the product blank onto the supporting seat.

In the jig device according to an embodiment of the present invention, the connecting seat includes a support plate having a concave structure and a connecting plate having an L-shaped structure, the connecting plate is attached to the support plate, the concave structure of the support plate faces away from the connecting plate, and the connecting plate is used for connecting to the CNC four-axis machine.

The technical scheme provided by the embodiment of the utility model has the following beneficial effects: the utility model provides a jig device with central positioning, which comprises a four-shaft machine base and a positioning mechanism, and can be used for positioning a product blank placed on the jig device, and then fixing the jig device on a CNC four-shaft machine table through the four-shaft machine base to process the product blank, so that the processing technology of the product blank is simplified, and the stability of the size of the processed product blank can be ensured.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the utility model, as claimed.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic structural view illustrating a jig device installed on a CNC four-axis machine according to an embodiment of the present invention;

FIG. 2 is an exploded view of the fixture apparatus shown in FIG. 1 installed on a CNC four-axis machine;

FIG. 3 is a schematic view of the CNC four-axis machine provided in FIG. 1;

FIG. 4 is a schematic view of the product blank provided in FIG. 1 after being fixed to a jig device;

FIG. 5 is a schematic view of the product blank and the jig device provided in FIG. 1 at another angle;

FIG. 6 is a schematic cross-sectional view of the product blank and jig device provided in FIG. 1;

FIG. 7 is an exploded view of the product blank and jig apparatus provided in FIG. 1;

fig. 8 is an exploded view of the jig device provided in fig. 1;

FIG. 9 is an exploded schematic view of the orientation mechanism provided in FIG. 1;

FIG. 10 is a schematic structural view of the orienting bracket provided in FIG. 1;

FIG. 11 is a schematic view of the orientation stop provided in FIG. 1;

FIG. 12 is a schematic structural view of the directional push block provided in FIG. 1;

FIG. 13 is an exploded schematic view of the clamping mechanism provided in FIG. 1;

fig. 14 is an exploded view of the connector holder provided in fig. 1;

FIG. 15 is a schematic structural view of the plate provided in FIG. 1;

FIG. 16 is a schematic view of the positioning mechanism shown in FIG. 1 mounted on a support base;

FIG. 17 is an exploded view of the positioning mechanism and the support base shown in FIG. 1;

FIG. 18 is an exploded schematic view of the positioning mechanism provided in FIG. 1;

fig. 19 is a schematic cross-sectional view of the positioning mechanism provided in fig. 1.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It is also to be understood that the terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in the specification of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.

As shown in fig. 1 to 19, the present application provides a jig device, which includes a four-axis machine base 10, a positioning mechanism 40, an orientation mechanism 30 and a clamping mechanism 20, wherein the four-axis machine base 10 includes a supporting base 12 and two connecting bases 11, the two connecting bases 11 are detachably connected to the CNC four-axis machine base 100, and are used for installing the jig device on the CNC four-axis machine base 100, so that a product blank 200 fixed on the jig device can be processed on the CNC four-axis machine base 100, and the problem that the product blank 200 cannot be directly placed on the CNC four-axis machine base 100 for processing due to the large size and heavy weight of the product blank 200 is solved. And this application designs into the tool device and can dismantle with CNC four-axis board 100 and be connected, not only can guarantee the dimensional accuracy after product blank 200 processes, has also reduced the time of product blank 200 clamping and processing, improves the production efficiency of product blank 200.

In the present embodiment, two connecting seats 11 are disposed at two sides of the supporting seat 12 and enclose a space for placing the product blank 200, and the positioning mechanism 40 is mounted on the supporting seat 12 for positioning the center of the product blank 200; after the orienting mechanism 30 abuts against the plane of the product blank 200 and orients the product blank 200, the clamping mechanism 20 compresses the product blank 200 on the supporting seat 12, and then fixes the jig device which clamps the product blank 200 on the CNC four-axis machine 100, so that the product blank 200 can be continuously processed on the CNC four-axis machine 100 in multiple direction features, thereby optimizing the processing and production cycle time of the product, simplifying the processing technology, and simultaneously ensuring the stable size of the product blank 200 after processing.

Illustratively, the jig is mounted on the CNC four-axis machine 100 through the connecting seat 11, and then the positioning mechanism 40 is fixed on the supporting seat 12, the four-axis angles of the CNC four-axis machine 100 are adjusted, and the product blank 200 is placed. Fixing the orientation mechanism 30 on one of the two connecting seats 11, adjusting the direction of the product blank 200 until the orientation mechanism 30 aligns with the calibration plane of the product blank 200, fixing the clamping mechanism 20 and locking, so that the product blank 200 can be accurately fixed on the jig device, sequentially detaching the positioning mechanism 40 and the orientation mechanism 30, reducing the structural size and weight of the jig device, simultaneously, conveniently starting the machine table, processing the four-direction structural characteristics of the product blank 200, taking down the finished product after the processing of the product blank 200 is completed, and resetting the jig device to the initial position.

It should be noted that, the product blank 200 may also be directly assembled into the jig device before the jig device is fixed to the CNC four-axis machine 100, and then the jig device is fixed to the CNC four-axis machine 100 for processing, which is not limited in this application.

In an alternative embodiment, the connecting seat 11 includes a support plate 112 and a connecting plate 111, wherein the support plate 112 is connected to the orientation mechanism 30 and the clamping mechanism 20, and the connecting plate 111 is used for being detachably connected to the CNC four-axis machine 100. In this embodiment, a wedge block 121 is arranged on the support seat 12, a first wedge hole 1122 is arranged on the support plate 112, a second wedge hole 1111 is arranged on the connecting plate 111, when the support plate 112 is attached to the connecting plate 111 and then arranged on the support seat 12, part of the wedge block 121 is accommodated in the first wedge hole 1122, and the other part of the wedge block 121 is accommodated in the second wedge hole 1111, so that accurate positioning between the support plate 112 and the connecting plate 111 is realized, it is ensured that each position of the product blank 200 after being fixed on the jig device is relatively determined, and the precision of the product blank 200 after being processed is improved.

In an alternative embodiment, the orientation mechanism 30 comprises an orientation component and an orientation bracket 31, wherein the orientation component is movably mounted on the orientation bracket 31 and can move in a direction perpendicular to the orientation bracket 31, and the orientation bracket 31 is detachably mounted on one of the connecting bases 11, so that the orientation mechanism 30 can be detached from the jig device after the product blank 200 is oriented, and not only is the processing of the product blank 200 not hindered, but also the structural size and weight of the jig device can be reduced.

Exemplarily, after the product blank 200 is placed in a space enclosed by the connecting seat 11 and the supporting seat 12, the orientation bracket 31 is fixed on the connecting seat 11, the orientation component can be abutted against the plane of the product blank 200 by adjusting the corresponding fixing angle, so that the product blank 200 is oriented, the clamping mechanism 20 is installed afterwards and locked, and the orientation mechanism 30 is taken down after the product blank 200 is completely fixed on the jig device, so that the processing of the product blank 200 can be facilitated, and the structural size and the weight of the jig device can be reduced.

In an alternative embodiment, the support plate 112 is provided with a bracket mounting groove 1121, and the shape and size of the bracket mounting groove 1121 are matched with the shape and size of the cross section of the orientation bracket 31, so that the orientation bracket 31 can be fixed on the bracket mounting groove 1121, which not only facilitates the installation and the removal of the orientation bracket 31, but also ensures the relative position and angle between the orientation bracket 31 and the support plate 112, so as to ensure that the product blank 200 can be accurately oriented.

Illustratively, the orientation bracket 31 is an L-shaped structure, which includes a bracket horizontal end and a bracket vertical end, wherein the orientation component is movably mounted on the bracket horizontal end, the bracket vertical end is provided with a bracket fixing end 313 at an end far from the bracket horizontal end, and the shape and size of the bracket fixing end 313 are adapted to the shape and size of the bracket mounting groove 1121 to realize the positioning and mounting of the orientation bracket 31. In this embodiment, a fixing through hole 312 is disposed at the vertical end of the bracket, the fixing through hole 312 penetrates through the upper end of the vertical end of the bracket to the lower end of the vertical end of the bracket, wherein a fixing screw hole is disposed on the bracket mounting groove 1121, and the position of the fixing screw hole corresponds to the position of the fixing through hole 312, so that the screw end of the screw can penetrate through the fixing through hole 312 and then be connected with the fixing screw hole through a thread, and the installation of the directional bracket 31 can be completed.

In an alternative embodiment, the orientation assembly comprises an orientation push block 32 and a second elastic member 34, wherein an orientation through hole 311 is formed on the orientation bracket 31, and one end of the orientation push block 32 passes through the orientation through hole 311 and abuts against the second elastic member 34, so that the other end of the orientation push block 32 can be pressed against the plane of the product blank 200 to realize the orientation of the product blank 200.

For example, the second elastic member 34 may be disposed between the orientation pushing block 32 and the orientation bracket 31, one end of the second elastic member 34 abuts against the orientation pushing block 32, and one end of the second elastic member 34 abuts against the orientation bracket 31, so as to ensure that the second elastic member 34 can drive the positioning end of the orientation pushing block 32 to be driven away from the orientation bracket 31.

In an alternative embodiment, the orientation assembly includes an orientation stopper 33, and the orientation stopper 33 is fixed to an end of the orientation pushing block 32 passing through the orientation through hole 311 for limiting a moving distance of the orientation pushing block 32 with respect to the orientation bracket 31.

Illustratively, after the product blank 200 is mounted on the jig device, the orientation push block 32 is aligned with and abutted against the calibration plane of the product blank 200, and the orientation stop 33 is adjusted to control the moving distance of the orientation push block 32 relative to the orientation support 31, so as to realize the precise orientation of the product blank 200.

In an optional embodiment, the orientation assembly includes an orientation pressing block 33, the orientation pressing block 33 is fixed on the orientation bracket 31, wherein one end of the second elastic member 34 abuts against the orientation pushing block 32, and the other end of the second elastic member 34 abuts against the orientation pressing block 33, and after the above techniques are adopted, a split design of the orientation pushing block 32 and the orientation pressing block 33 can be realized, so as to facilitate the molding processing of the orientation pushing block 32.

Illustratively, the directional pressing block 33 is provided with a first elastic hole 333, the directional pushing block 32 is provided with a second elastic hole, and two ends of the second elastic member 34 are respectively arranged in the first elastic hole 333 and the second elastic hole, so as to avoid the first elastic hole 333 from being dislocated in the compression or extension process.

In an alternative embodiment, the directional pressing block 33 is further provided with a pressing block through hole 332 and a pressing block fixing hole 331, the pressing block fixing hole 331 can be fixed by a screw, so that the screw can pass through the pressing block fixing hole 331 and then be in threaded connection with the directional pushing block 32, and the pressing block through hole 332 can facilitate a tool to pass through to adjust the position of the directional pressing block 33.

In an alternative embodiment, the directional push block 32 includes a push block first end and a push block second end, the push block second end is connected to the push block first end, wherein an end of the push block first end facing away from the push block second end is a planar structure for aligning with the alignment plane of the product blank 200; the second end of the push block can be movably arranged in the directional through hole, the structure is simple, and the operation is convenient.

In an alternative embodiment, the width of the first end of the push block increases from the direction away from the first end of the push block, so that the first end of the push block can have a sufficiently large plane to align with the alignment plane of the product blank 200, and the second end of the push block can be inserted into the orientation through hole 311.

In an alternative embodiment, the positioning mechanism 40 comprises a conical positioning block 41, wherein the conical positioning block 41 is arranged on the support base 12 for achieving a centering of the product blank 200.

After the technical scheme is adopted, the product blank 200 is manufactured by adopting a casting process, and the size deviation of the supplied materials of the casting is large, so that the errors caused by different sizes are considered when the product blank 200 is positioned, and the conical positioning block 41 can automatically position the hole positions of the product blank 200 and can adapt to the size deviation of the supplied materials.

In an alternative embodiment, the positioning mechanism 20 includes a positioning seat, and a positioning block moving cavity is disposed in the positioning seat, wherein one end of the conical positioning block 41 is movably mounted in the positioning block moving cavity, so that the conical positioning block 41 can be extended and retracted, and thus the length of the conical positioning block 41 can be adjusted, so as to facilitate automatic positioning of the hole positions of the product blanks 200.

In an alternative embodiment, the positioning mechanism 20 includes a first elastic member 43, one end of the first elastic member 43 abuts against the positioning seat, and the other end of the first elastic member 42 abuts against the tapered positioning block 41, so that the tapered positioning block 41 is always kept in the extended state.

In an optional embodiment, the conical positioning block 41 has a conical portion and a limiting portion, the conical portion is connected with the limiting portion, the limiting portion is installed in the positioning block movable cavity, and the conical degree range of the conical portion is 0-5 degrees, so as to meet the demolding angle of the product blank 200 during demolding.

In an alternative embodiment, the positioning seat includes a first washer 42 and a positioning assistance plate 44, wherein the positioning block movable cavity is disposed in the first washer 42, the first washer 42 is fixed on the positioning assistance plate 44, and one end of the first elastic member 43 abuts against the positioning assistance plate 44.

In an alternative embodiment, the limiting portion is provided with a first elastic member mounting hole, and the first elastic member 43 is accommodated in the first elastic member mounting hole, so that the first elastic member 43 can extend and contract in the first elastic member mounting hole.

In an alternative embodiment, the positioning mechanism includes a handle 45, the handle 45 is fixed on the auxiliary positioning plate 44, and the first gasket 42 is disposed opposite to the handle 45, so that a user can drive the jig device to rotate relative to the CNC four-axis machine 100 through the handle 45, thereby realizing continuous processing of the product blank 200 in multiple directional features,

in an alternative embodiment, the clamping mechanism 20 comprises a pressing member 21 and a cushioning member 22, wherein the pressing member 21 is detachably mounted on the connecting seat 11 for pressing the product blank against the supporting seat 12; the buffer 22 is disposed between the pressing member 21 and the product blank 200 to protect the product blank 200 and prevent the product blank 200 from being damaged during the processing.

In an alternative embodiment, the pressure element comprises a pressure plate having an arc-shaped end on which the damping element 22 is arranged and a support arm arrangement which is fastened to the connecting socket 11.

In an alternative embodiment, the support arm set includes two support arms extending from two ends of the arc-shaped end portion, and the two support arms are fixed to the connecting base 11.

Wherein, each support arm has the butt arch 211 in the one end of keeping away from the arc tip, and the height looks adaptation of butt arch 211 and bolster 22 for after the support arm is fixed at connecting seat 11, bolster 22 can exert pressure to product blank 200, in order to reach the effect of fixed product blank 200.

In an alternative embodiment, the buffer member 22 includes a rubber pad, wherein the arc-shaped end portion is provided with a rubber pad mounting groove 212, and the rubber pad is fixed on the rubber pad mounting groove 212.

In an alternative embodiment, the support plate 112 is provided with a first fixing pin, the support arm set is provided with a first pin hole 213, and the position of the first pin hole 213 corresponds to the position of the first fixing pin, so that a screw can pass through the support arm set and then be fixed on the support plate 112, and three fulcrums can be formed with the first fixing pin and the abutment protrusion 211, thereby ensuring the stress balance of the arc-shaped end part.

In an optional embodiment, the diameter of the notch of the arc-shaped end part is matched with the diameter of the end face of the product blank to be processed, so that the machine table can process the product blank after penetrating through the arc-shaped end part.

In an alternative embodiment, the support plate 112 has a concave structure, the connecting plate 111 has an L-shaped structure, and after the connecting plate 111 and the support plate 112 are attached together, the concave structure of the support plate 112 faces away from the connecting plate 111, so that the product blank 200 can be placed in two opposite concave structures, and the connecting plate 111 is used for connecting to the CNC four-axis machine 100.

In an alternative embodiment, the connection end of the orientation mechanism 30 to the connection socket 11 is provided between the two support arms.

In the description of the present application, it is to be noted that the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected unless otherwise explicitly stated or limited. Either mechanically or electrically. Either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The above disclosure provides many different embodiments or examples for implementing different structures of the application. The components and arrangements of specific examples are described above to simplify the present disclosure. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

In the description herein, references to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: numerous changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. The utility model provides a tool device with center location, its characterized in that, includes positioning mechanism and four-axis frame, be equipped with supporting seat and two connecting seats that are used for fixing on the four-axis board of CNC on the four-axis frame, two the connecting seat sets up the space that supplies product blank to place is in order enclosing into in the both sides of supporting seat, positioning mechanism includes the toper locating piece, the setting of toper locating piece is in on the supporting seat, be used for realizing the location at product blank center.

2. The jig device as claimed in claim 1, wherein the positioning mechanism includes a positioning seat, a positioning block moving cavity is disposed in the positioning seat, and one end of the conical positioning block is movably mounted in the positioning block moving cavity for adjusting the extending length of the conical positioning block.

3. The jig device according to claim 2, wherein the positioning mechanism includes a first elastic member, one end of the first elastic member abuts against the positioning seat, and the other end of the first elastic member abuts against the tapered positioning block.

4. The jig device according to claim 3, wherein the tapered positioning block is provided with a tapered portion and a limiting portion, the tapered portion is connected with the limiting portion, the limiting portion is mounted in the movable cavity of the positioning block, and the taper range of the tapered portion is 0-5 degrees.

5. The jig device as claimed in claim 4, wherein the positioning seat includes a first washer and an auxiliary positioning plate, the positioning block movable cavity is disposed in the first washer, and the first washer is fixed on the auxiliary positioning plate.

6. The jig device according to claim 5, wherein the limiting portion is provided with a first elastic member mounting hole, and the first elastic member is received in the first elastic member mounting hole.

7. The jig device according to claim 5, wherein the positioning mechanism includes a handle fixed to the auxiliary positioning plate, and the first washer is disposed opposite to the handle.

8. A jig device according to claim 1, wherein the jig device comprises an orientation mechanism mounted on the connecting seat for aligning the plane of the product blank.

9. A jig device according to claim 1, wherein the jig device comprises a clamping mechanism mounted on the connecting seat for pressing the product blank against the support seat.

10. The jig device of claim 1, wherein the connecting base comprises a support plate having a concave structure and a connecting plate having an L-shaped structure, the connecting plate is attached to the support plate, the concave structure of the support plate faces away from the connecting plate, and the connecting plate is used for connecting to the CNC four-axis machine.

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