CN219725385U - Four-axis fixture with rotation function for machining center - Google Patents

Abstract

The utility model discloses a four-axis clamp with a rotating function for a machining center, which comprises a fixed back plate connected with a chuck of the machining center, wherein a driving module is arranged on the fixed back plate, a rotating positioning gear plate is rotatably arranged on the fixed back plate, a plurality of groups of clamps for clamping workpieces are fixedly arranged on the rotating positioning gear plate, and a power output end of the driving module is in transmission connection with the rotating positioning gear plate through a transmission structure. The motor is used for providing rotation power for the rotation positioning gear disc, so that the rotation positioning gear disc can rotate on the surface of the fixed back plate, and the surface of the machine part is processed from different directions without detaching the machine part, thereby greatly improving the machining efficiency of the machine part and the production efficiency of enterprises.

Description

Four-axis fixture with rotation function for machining center

Technical Field

The utility model relates to the technical field of clamps, in particular to a four-axis clamp with a rotation function for a machining center.

Background

With the rapid development of the mechanical industry in China, the technology of mechanical processing equipment is better and better, particularly the application of the CNC processing center which is advanced at present is more and more, in order to be more efficient when processing parts in the processing center equipment, the design of clamps in the industry is more and more abundant, the common clamps are usually vices, chucks, suckers, dividing heads, rotary tables and the like, clamping needs to be manually adjusted, the clamps are the most basic clamps, the universality is higher, the practical efficiency is lower, the clamping function is limited, the clamping stability of the mode and the clamps is poorer, the operation is complicated, the workpiece processing efficiency can be influenced to a certain extent, the production efficiency of enterprises is influenced, and the applicability and the practicability are limited.

In order to solve the above problems, the applicant designs a machining center fixture (application number is CN 201620578163.2) according to the present utility model, which comprises a positioning base plate and a positioning plate, wherein the top surface of the positioning base plate is further provided with a cylinder seat, the top surface of the cylinder seat is provided with a vertically placed hinge support and a cylinder, the top of the cylinder is provided with a pressing plate, the middle part of the pressing plate is connected to the hinge support through the hinge plate, the top surface of the positioning plate is provided with a vertical support rod, the top surface of the vertical support rod is provided with a bearing panel, the top of the vertical support rod is provided with a vertical hole with an opening on the top surface, an elastic pin positioning sleeve is arranged in the vertical hole, an elastic pin is arranged in the elastic pin positioning sleeve, a cylindrical helical compression spring is arranged between the elastic pin and the elastic pin positioning sleeve, the positioning plate is provided with a quick air connection pipe joint and a hand rotation control valve, and the hand rotation control rod is arranged on the hand rotation control valve. The clamping device is simple in structure and convenient to operate, greatly improves the clamping stability, and can effectively solve the technical defects of unstable clamping and complex operation in the traditional technology, and the clamping device is good in applicability and strong in practicability.

Although the technical scheme can improve the stability of clamping and effectively solve the technical defects of unstable clamping and complex operation in the traditional technology, the technical scheme increases certain dangerousness in the operation process, and the technical scheme still cannot solve the processing of the special-shaped workpiece as shown in fig. 8.

Therefore, the inventor needs to design a four-axis clamp with a rotation function for a machining center, so that the four-axis clamp can be turned to multi-surface machining after one clamping.

Disclosure of Invention

The utility model mainly aims to provide a four-axis clamp with a rotation function for a machining center, so as to solve the problem that in the machining process after a machined workpiece is clamped by the clamp in the related art, the whole machined workpiece cannot be rapidly subjected to reversing machining.

In order to achieve the above object, in a first aspect, the present utility model provides a four-axis jig for a machining center having a rotation function.

The four-axis clamp with the rotating function for the machining center comprises a fixed back plate connected with a chuck of the machining center, wherein a driving module is arranged on the fixed back plate, a rotating positioning gear plate is rotatably arranged on the fixed back plate, a plurality of groups of clamps for clamping workpieces are fixedly arranged on the rotating positioning gear plate, and a power output end of the driving module is in transmission connection with the rotating positioning gear plate through a transmission structure.

Preferably, a limiting structure for limiting the movement of the rotary positioning gear disc is arranged between the fixed back plate and the rotary positioning gear disc.

Preferably, the limit structure is an abutting frame, one end of the abutting frame is fixedly connected with the fixed back plate, the other end of the abutting frame is abutted to the end face of the rotary positioning gear disc through a roller, and the roller is in rotary connection with the abutting frame.

Preferably, the limiting structures are arranged in a group, and one group of limiting structures are symmetrically distributed relative to the rotary positioning gear disc.

Preferably, the abutting frame comprises a first bracket fixedly connected with the fixed back plate and a second bracket abutting against the rotary positioning gear plate, the first bracket is rotationally connected with the second bracket, and the rotating shaft of the first bracket is axially perpendicular to the surface of the fixed back plate.

Preferably, the driving module is a motor.

Preferably, the transmission structure comprises a transmission gear and gear teeth on the rotary positioning gear disc, the transmission gear is fixedly connected with the power output end of the motor, and the transmission gear is meshed with the gear teeth.

Preferably, the axis of the rotary positioning gear disc is provided with a positioning shaft hole, and the positioning shaft hole is matched with a positioning shaft on the fixed backboard.

Preferably, the fixture comprises an air cylinder and a clamping block connected with the air cylinder, the air cylinder is fixedly arranged on the rotary positioning gear disc, and the clamping block is fixedly arranged on an output rod of the air cylinder.

Preferably, the driving module and the transmission structure matched with the driving module are provided with one group, and the rotation positioning gear disc is provided with one group.

Compared with the prior art, the four-axis clamp with the rotation function for the machining center has the beneficial effects that: through set up location axle, conflict frame on fixed backplate for rotate the location toothed disc and can rotate on fixed backplate, provide rotation power to rotating the location toothed disc through the motor, make to rotate the location toothed disc and can rotate on fixed backplate's surface, thereby drive the anchor clamps of fixing above that and rotate in order to make the direction of the required processing of parts of being processed change, so make under the condition that need not pull down the parts from different directions to process the surface of parts, improved parts machining efficiency and enterprise production efficiency greatly, also reduced artificial operation and the dangerous possibility that takes place in the course of working simultaneously.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model, are incorporated in and constitute a part of this specification. The drawings and their description are illustrative of the utility model and are not to be construed as unduly limiting the utility model. In the drawings:

FIG. 1 is a schematic illustration of the present utility model (embodiment one);

FIG. 2 is a top view of the present utility model (embodiment one);

FIG. 3 is a side view of the present utility model (embodiment one);

FIG. 4 is a schematic view of a rotary positioning gear plate according to the present utility model (first embodiment);

FIG. 5 is a schematic view of a portion of a stationary backplate according to the present utility model (first embodiment);

FIG. 6 is an enlarged schematic view of a portion of the present utility model (embodiment one);

FIG. 7 is a schematic view of a rack for interference according to the present utility model (second embodiment);

fig. 8 is a schematic representation of the processed product of the present utility model.

Wherein: 1. fixing the backboard; 2. a driving module; 3. rotating and positioning a gear disc; 4. a clamp; 5. a transmission structure; 6. a limit structure; 7. a supporting frame; 8. a roller; 9. a first bracket; 10. a second bracket; 11. a motor; 12. a transmission gear; 13. gear teeth; 14. positioning the shaft hole; 15. positioning a shaft; 16. a cylinder; 17. and clamping blocks.

Detailed Description

In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the utility model herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the present utility model, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are only used to better describe the present utility model and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.

Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present utility model will be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the term "plurality" shall mean two as well as more than two.

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

Embodiment one: as shown in fig. 1 to 3, a four-axis fixture with a rotation function for a machining center includes a fixed back plate 1 connected with a chuck of the machining center, a driving module 2 is arranged on the fixed back plate 1, the driving module 2 is a motor 11, a fixing frame is fixedly arranged between the motor and the fixed back plate 1 in use, the end part of the motor is fixedly connected with one end of the fixing frame through bolts, the motor is provided with a group of motors symmetrically distributed on two sides of the fixing frame, so that the group of motors are stably fixed on the surface of the fixed back plate, and the specific position of the motor can be changed by changing the fixing frame when the position of the motor is required to be changed. The fixed backboard 1 is rotatably provided with a rotary positioning gear disc 3, a plurality of groups of clamps 4 used for clamping workpieces are fixedly arranged on the rotary positioning gear disc 3, and the power output end of the driving module 2 is in transmission connection with the rotary positioning gear disc 3 through a transmission structure 5. When the machine part machining device is used, after the driving module 2 is started, the power output end outputs power to the rotary positioning gear plate 3 through the transmission structure 5, so that the rotary positioning gear plate 3 rotates, in addition, the rotation direction of the driving module 2 can be adjusted, so that the rotation direction of the rotary positioning gear plate 3 is adjusted along with the rotation direction of the rotary positioning gear plate 3, and the clamp 4 fixed on the rotary positioning gear plate is driven to rotate so that the direction of a machined machine part to be machined is changed, and therefore the surface of the machine part is machined from different directions under the condition that the machine part is not required to be disassembled, and the machine part machining efficiency and the enterprise production efficiency are greatly improved.

As shown in fig. 6, a limiting structure 6 for limiting the movement of the rotary positioning gear disc 3 is arranged between the fixed back plate 1 and the rotary positioning gear disc 2, the limiting structure 6 is a supporting frame 7, one end of the supporting frame 7 is fixedly connected with the fixed back plate 1, the other end of the supporting frame 7 is abutted against the end face of the rotary positioning gear disc 3 through a roller 8, and the roller 8 is in rotary connection with the supporting frame 7. During the use, the one end symmetry of contradicting frame 7 has two bolt holes, and contradicting frame 7 passes through the bolt fastening on fixed backplate 1, and contradicting frame 7 also can adopt welded mode to fix on fixed backplate 1 in addition to make contradicting frame 7 have the spacing effect to rotation location gear 3, contradict with rotation location gear 3 through gyro wheel 8, contradict frame 7 direct to rotation location gear 3 contact when having prevented spacing contact and caused friction damage.

As shown in fig. 1, the limiting structures 6 are a group, and a group of the limiting structures 6 are symmetrically distributed relative to the rotary positioning gear plate 3. During the use, limit structure 6 adopts symmetrical distribution can make the spacing of rotating location gear 3 comparatively stable, in addition can also adopt the fixed setting of the mode of three limit structure 6 relative rotation location gear 3 equipartitions to make limit structure 6 more stable to the spacing of rotating location gear 3.

As shown in fig. 5, the transmission structure 5 includes a transmission gear 12 and gear teeth 13 on the rotary positioning gear disc 3, the transmission gear 12 is fixedly connected with a power output end of the motor 11, and the transmission gear is meshed with the gear teeth 13. When the rotary positioning gear wheel is used, the gear teeth 13 are inserted into one side of the rim of the rotary positioning gear wheel, the transmission gear 12 transmits torsion generated by the motor to the gear teeth 13, so that the rotary positioning gear wheel 3 can be driven to rotate, and in addition, the transmission structure 5 can also adopt connection modes such as belt connection and chain connection.

As shown in fig. 4, the axis of the rotary positioning gear disc 3 is provided with a positioning shaft hole 14, and the positioning shaft hole 14 is matched with a positioning shaft 15 on the fixed back plate 1. When the rotary positioning gear disc 3 is used, the length of the positioning shaft is half of the thickness of the rotary positioning gear disc 3, the depth of the positioning shaft hole 14 is identical to the length of the positioning shaft 15, a bearing is fixedly arranged in the positioning shaft hole 14, and the positioning shaft 15 plays a supporting role on the rotary positioning gear disc 3 through the running fit of the bearing and the positioning shaft 15, so that the rotary positioning gear disc 3 is prevented from moving in the radial direction during rotation.

As shown in fig. 1, the fixture comprises an air cylinder 16 and a clamping block 17 connected with the air cylinder 16, wherein the air cylinder 16 is fixedly arranged on the rotary positioning gear plate 3, and the clamping block 17 is fixedly arranged on an output rod of the air cylinder 16. When the rotary positioning gear disc 3 is used, the bottom of the air cylinder 16 is fixedly provided with the base, one side face of the rotary positioning gear disc 3 is provided with a plurality of groups of bolt holes, four corners of the base are fixedly connected with the rotary positioning gear disc 3 through bolts, an output rod of the air cylinder 16 is fixedly connected with the clamping block 17 through bolts, and the workpiece is clamped on the surface of the rotary positioning gear disc 3 through axial movement of the clamping block 17 on the output rod of the air cylinder 16.

As shown in fig. 1, the driving module 2 and the transmission structure 5 matched with the driving module 2 are all provided with one group, and the rotation positioning gear disc 3 is provided with one group. When the rotary positioning gear disc 3 is used, a group of workpieces can be processed simultaneously by adopting the rotary positioning gear disc 3, and the rotary positioning gear disc 3 can respectively control steering, so that the processing efficiency is improved.

Embodiment two: as shown in fig. 7, the difference from the implementation one is that the interference rack 7 includes a first bracket 9 fixedly connected with the fixed back plate 1, and a second bracket 10 interfering with the rotating positioning gear plate, the first bracket 9 is rotatably connected with the second bracket 10, and the axial direction of the rotating shaft of the first bracket 9 is perpendicular to the surface of the fixed back plate 1. When the rotary positioning device is used, the fixed backboard 1 and the first support 9 are fixedly connected through bolts, in addition, the fixed connection modes such as welding and the like can be adopted, the rotating shaft end of the first support 9 is provided with a bearing groove, a bearing is fixedly arranged in the bearing groove, the rotating shaft end of the second support 10 is fixed in the bearing, the first support 9 and the second support 10 can rotate through bearing rotation connection, and further the roller 8 is abutted to the surface of the rotary positioning gear disc 3, so that the limiting purpose is achieved; the first bracket 9 and the second bracket 10 are provided with penetrating pin holes in the radial direction when being matched, and the pin columns are inserted during limiting to prevent rotation between the two, so that the limiting of the abutting frame 7 is more stable; when the gear disc 3 is required to be disassembled or replaced, the pin can be pulled out, the second bracket 10 is rotated, the gear disc 3 is taken down, the second bracket 10 is released from limiting the gear disc 3, and compared with the embodiment, the first bracket 9 and the second bracket 10 are connected in a rotating shaft connection mode, so that the gear disc 3 is more convenient and quicker to install and disassemble.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. The utility model provides a machining center is with four-axis anchor clamps that have rotation function, includes the fixed backplate that is connected with machining center chuck, be provided with drive module on the fixed backplate, it is provided with the rotation location gear disk to rotate on the fixed backplate, the fixed anchor clamps that are provided with the multiunit and are used for the centre gripping work piece on the rotation location gear disk, its characterized in that: and the power output end of the driving module is in transmission connection with the rotary positioning gear disc through a transmission structure.

2. The four-axis clamp with a rotation function for a machining center according to claim 1, wherein a limiting structure for limiting movement of the rotation positioning gear disc is arranged between the fixed back plate and the rotation positioning gear disc.

3. The four-axis clamp with a rotation function for a machining center according to claim 2, wherein the limiting structure is an abutting frame, one end of the abutting frame is fixedly connected with the fixed back plate, the other end of the abutting frame is abutted to the end face of the rotary positioning gear disc through a roller, and the roller is in rotary connection with the abutting frame.

4. A four-axis clamp with a rotation function for a machining center according to claim 2 or 3, wherein the limiting structures are one group, and one group of the limiting structures are symmetrically distributed relative to the rotation positioning gear plate.

5. The four-axis clamp with a rotating function for a machining center according to claim 3, wherein the abutting frame comprises a first support fixedly connected with the fixed back plate and a second support abutting against the rotating positioning gear plate, the first support is rotatably connected with the second support, and the rotating shaft of the first support is axially perpendicular to the surface of the fixed back plate.

6. The four-axis clamp with a rotation function for a machining center according to claim 1, wherein the driving module is a motor.

7. The four-axis clamp with a rotating function for a machining center according to claim 6, wherein the transmission structure comprises a transmission gear and gear teeth on the rotating and positioning gear disc, the transmission gear is fixedly connected with a power output end of the motor, and the transmission gear is meshed with the gear teeth.

8. The four-axis clamp with a rotating function for a machining center according to claim 1, wherein a positioning shaft hole is formed in the axis of the rotating positioning gear disc, and the positioning shaft hole is matched with a positioning shaft on the fixed back plate.

9. The four-axis clamp with a rotation function for a machining center according to claim 1, wherein the clamp comprises an air cylinder and clamping blocks connected with the air cylinder, the air cylinder is fixedly arranged on the rotation positioning gear plate, and the clamping blocks are fixedly arranged on an output rod of the air cylinder.

10. The four-axis clamp with a rotating function for a machining center according to claim 1, wherein the driving module and the transmission structure matched with the driving module are all provided with one group, and the rotating positioning gear disc is provided with one group.