CN210209459U - Multi-station modularized rapid combination tool for realizing opening of part machining surface - Google Patents

Abstract

The utility model discloses a multi-station modular rapid combination tool for realizing the opening of a part processing surface, which comprises a left bracket (12), a middle bracket (15) and a right bracket (23), wherein two ends of the left bracket are respectively provided with a positioning pin mounting seat; two ends of the middle support are respectively provided with a first support (29), the top surface of each first support is provided with a side fixing clamp (19) for pressing a machined part, the outer side surface of the top of each first support is fixedly provided with a support plate (16), and the support plate is provided with a first tightly-jacking structure for tightly jacking the side fixing clamp; and the two ends of the right bracket are respectively provided with a second support, and the top surface of the second support is provided with a second positioning pin mounting surface. The utility model discloses can carry out clamping, location, processing to the part blank that has the size difference fast.

Description

Multi-station modularized rapid combination tool for realizing opening of part machining surface

Technical Field

The utility model relates to an aircraft undercarriage pillar frock, especially a multistation modularization rapid combination frock that realizes the part machining face and opens.

Background

The strut blank of a certain aircraft landing gear is supplied by different manufacturers, and the sizes of the blanks are different; the size difference of blank pieces provided by different batches of the same manufacturer is large, the difference in the length direction is 10-20mm, and the overall difference in the width direction is 20-60 mm; this difference in size makes it difficult to machine the upper and lower cavities of the pillars. When the upper cavity and the lower cavity of the existing strut are machined, a large bottom plate is needed for connecting and supporting a strut blank and other elements and keeping the assembly precision of the device. The design size of the large bottom plate is about 2300X650X50 (the maximum length size of the machine tool workbench is 2200 mm), and the bottom plate with the size has high processing difficulty, difficult hoisting and installation and easy deformation. A support and a positioning pin are arranged at the large end of the strut blank, then a cushion block is added on a machine tool according to the central height of the support, and the central height of the strut is adjusted; after the height of the center of the support is determined, finding the symmetrical center of the blank in the width direction, then lapping a pressing plate on the upper surface of the blank to clamp the blank, when the position of the pressing plate is milled, removing the pressing plate which influences the motion track of the milling cutter, and then finding the position again to install the pressing plate; the same method is used for milling the lower cavity. The whole machining process is complicated in alignment and clamping, and a blank is easy to deviate under a large milling force during milling, so that the quality of the undercarriage is directly influenced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is, the undercarriage pillar forging blank size difference that provides to different producers, or the blank size difference that same producer is different to be provided in batches provides one kind and can carry out the multistation modularization fast combination frock that the realization parts machining face of clamping, location, processing is opened to the blank that has the size difference fast.

In order to solve the technical problem, the utility model discloses a following technical scheme: a multi-station modular rapid combination tool for realizing the opening of a part processing surface comprises a left support, a middle support and a right support, wherein two ends of the left support are respectively provided with a positioning pin mounting seat; the two ends of the middle support are respectively provided with a first support, the top surface of each first support is provided with a side fixing clamp for pressing a machined part, the outer side surface of the top of each first support is fixedly provided with a support plate, and the support plate is provided with a first tightly-jacking structure for tightly jacking the side fixing clamp; and the two ends of the right bracket are respectively provided with a second support, and the top surface of the second support is provided with a second positioning pin mounting surface.

The utility model discloses change traditional milling device's big bottom plate and set up the mode, the design is a plurality of can follow the lathe workstation and remove and at the support module (left socle, well support and right branch frame) of the T type keyway location of lathe workstation, and along with the quick flexible combination of processing needs, the adjustment, satisfy all specification blanks and fix a position fast, press from both sides tightly, processing, be suitable for the device of the flexible quick combination processing major possession blank of open type of installing at the vertical machining center of a plurality of models, solve on-the-spot problem of existence completely, improve work efficiency by 70%, and the design of the big bottom plate of relative tradition, the device manufacturing degree of difficulty has been reduced, enlarge the lathe process scope, each support can also use alone in the processing of other parts.

The side fixing clamp comprises a body, waist-shaped holes are formed in two sides of the body, and the body is mounted on the first support through screws arranged in the waist-shaped holes; the middle part one end of body articulates the installation and has the arm lock of chuck, and the middle part other end of body sets up the second top tight structure that is used for driving the arm lock and makes the chuck compress tightly the processing part. Therefore, the relative position of the side fixing clamp and the first support can be adjusted, the supporting angle of the chuck can be adjusted along with the appearance of the part, and the adjusted position is positioned by the second jacking structure.

The chuck is tightly connected with the clamping arms, and the chuck is a tooth surface chuck with different specifications, so that the chuck can meet the processing requirements of blanks with different specifications.

Two sets of side surface fixing clamp mounting holes are formed in the top of the first support, and a distance is formed between the two sets of side surface fixing clamp mounting holes, so that the side surface fixing clamp can be adjusted in position relative to the first support through the waist-shaped holes, and the position of the side surface fixing clamp relative to the first support can be further adjusted through the two sets of side surface fixing clamp mounting holes.

And the upper surfaces of the left support, the middle support and the right support are respectively provided with a jack for supporting a machined part.

And the positioning pin mounting seat and the second support are respectively provided with a third jacking structure for locking the width direction of the machined part.

The locating pin mounting seat comprises a semicircular seat arranged on the left support, one end of the top of the semicircular seat is hinged with one end of a semicircular pressing plate, the other end of the top of the semicircular seat is hinged with one end of an eyelet bolt, the other end of the semicircular pressing plate is provided with a first U-shaped groove, the other end of the eyelet bolt selectively penetrates through the first U-shaped groove to be locked and positioned with a nut located on the top surface of the semicircular pressing plate, and a first locating pin mounting hole is formed between the semicircular seat and the semicircular pressing plate.

And a positioning sleeve is arranged on the bottom plate of the second support at opposite angles, two clamping through holes are arranged at opposite angles, a front receiving sleeve is arranged on the right support corresponding to the positioning sleeve and the clamping through holes, and a plurality of ball lock shafts penetrate through the positioning sleeve or the clamping through holes to be connected with the front receiving sleeve.

And the left support, the middle support and the right support are provided with bolt holes for primary positioning with the machine tool workbench and second U-shaped grooves for further positioning with the machine tool workbench.

The jack comprises a base, a steel ball component which is used for abutting against a machined part is combined in the base through threads, and a locking nut is arranged on the steel ball component.

Compared with the prior art, the utility model has the advantages of:

1. the utility model discloses change traditional milling device's big bottom plate, design 5 and can follow the lathe workstation and remove and at the support module (1 left socle, 3 well supports, 1 right branch frame) of T type keyway location, along with the processing needs and quick flexible combination, satisfy the processing of all specification blanks.

The length dimension of the blank is 2120+ 10-20mm, and the width dimension is 340+ 20-60mm, and the traditional device for processing the blank needs a large bottom plate for connecting and supporting other elements and keeping the assembly precision of the device. The design size of the large bottom plate is about 2300X650X50 (the maximum length size of the machine tool workbench is 2200 mm), and the bottom plate with the size has high processing difficulty, difficult hoisting and installation and easy deformation. The design of 5 supports reduces the device and makes the degree of difficulty, enlarges the lathe scope of processing, and each support can also be used in the processing of other parts alone.

2. The utility model discloses can be used for the processing of the big blank of various sizes of different batches that different producers or same producer provided. The length direction processing can be applicable to all blanks, and there are three kinds of adjustable modes in the width direction, and the unilateral width difference of blank all mountable processing in 0 ~ 45mm within range.

3. The utility model discloses during the upper and lower cavity of processing blank, because of turn-over locating hole center difference in height 76.66mm, need carry out the switching of high, low support, the location of high, low support adopts Jergens company's ball lock quick positioning system, will change support time control in 3 minutes, can reach 0.015 mm's repeated positioning accuracy.

As shown in fig. 11, the high support 21 is designed with 2 locating sleeve mounting holes 212 for mounting the first-level locating sleeve 25 on the bottom plate, and is also designed with two clamping through holes 211 which are in clearance fit with the ball lock shaft 24 and exceed 0.76mm, and the proper clearance can ensure that the holes do not interfere with positioning, so that the two ball lock systems are only used for locking. The repeated positioning precision of the ball lock system +/-0.015 mm does not need to be aligned when the high support 21 and the low support 22 are installed and replaced, so that the time for replacing the supports is short. The upper plate of the right bracket 23 shown in fig. 25 is designed with 8 front receiving sleeve mounting holes 233 for mounting the front receiving sleeve 26 shown in fig. 15, and the ball lock shaft 24 passes through the positioning sleeve mounting hole 212 to be locked with the front receiving sleeve mounting hole 233, so that the positioning and locking of the ball lock shaft 24 of the ball lock system are completed in one step, the locking is completed by rotating two and a half circles at most, and each ball lock shaft can provide a maximum locking force of 9 tons. And an M12, 18mm long shoulder bolt needs to be rotated for more than ten turns to be locked.

4. The utility model discloses can install the vertical machining center workstation at lathe workstation T type groove interval 100, 150, 160 to satisfy the needs of production dispatch.

Vertical machining center T type groove interval has 100, 150, 160 three kinds, the utility model discloses second U type groove 122, 152, 232 are seted up to 5 individual support bottom plates, the pitch-row 350 in second U type groove, width 50, degree of depth 50 can compromise the installation of this device at three kinds of specification T type groove interval lathe simultaneously and use. If the widths of the T-shaped grooves of the machine tool workbench are different (generally 18, 22 and 24 types), the positioning mode of the bracket of the device and the machine tool workbench changes the sliding mode of a traditional positioning key in the T-shaped groove of the machine tool, a positioning bolt 13 is designed, the bracket is placed on the machine tool workbench, and then the positioning bolt 13 is inserted into the T-shaped groove in the center of the machine tool, so that the correct positions of each bracket and a support column blank on the machine tool are ensured. The positioning bolt 13 is designed according to phi 24 in the device, and is designed into a step pin when needing to be installed on a machine tool with a T- shaped groove 22 or 18, and the upper end phi 24 and the lower end phi 22 or phi 18 can meet the requirement that the device is installed on other machine tools for use.

5. The utility model discloses a side mounting fixture 19 and the shown tight mode of clamp of embracing location axle 1 of fig. 4, the movement track of cutter when stepping down processing pillar blank die cavity completely need not repeated clamping blank part, has realized cutting path and has opened completely, changes original because the clamp plate interferes the shut down and trades the position procedure and be continuous cutting procedure, improves work efficiency.

The utility model discloses 6 side mounting fixture 19 firmly installs on the first support 29 shown in figure 2. Under the action of a jacking screw 199 shown in fig. 7, the clamping arm 195 with the tooth surface clamping head 197 can rotate and move 10.2mm around the cylindrical pin 196, and has a downward force towards the center of the blank, and the acting point exceeds the parting surface of the blank by 5-20mm, so that the blank to be processed is firmly clamped without pressing a plate on the upper surface of the part to be processed. Each side tie down clamp assembly is tightened up to 46000N, allowing a tightening torque of 130 n.m.

6. The utility model discloses a side mounting fixture 19 designs dual fail-safe and ensures can not shift in the processing in the use.

As shown in FIG. 7, the side mounting clip assembly 19 is designed with an anti-drift allen key 194, and the anti-drift allen key 194 is screwed in use until it contacts the screw 193, preventing the side mounting clip assembly 19 from slipping during operation. As shown in FIG. 20, a compression screw 17 is designed, after the side fixing clamp assembly 19 is installed in place, the compression screw 17 is pressed against the side fixing clamp body 191 and locked by a locking nut 18, and the whole side fixing clamp does not shift during processing.

7. The utility model relates to a height, three kinds of adjustable jack 28 of well, low, satisfy the support needs of all heights, can remove required position at will. The head of the jack adopts a bolt-shaped steel ball component 283 of a previous tail tool clamp standard part, and can be self-adaptive along with the shape of a blank. The jack overcomes the defect that the traditional adjustable support cannot move and only can adjust the height, and effectively prevents the influence of the fluctuation of the milling force on the processing quality caused by uneven material and allowance of the processed workpiece.

To sum up, the utility model discloses an open multistation modularization fast assembly device, the characteristics of existing special fixture also have modular fixture's advantage. The utility model discloses an implement and accomplish, it removes surplus processing to develop the numerical control of suitable undercarriage pillar class part, the clamping is simple and convenient, the location is accurate, structural rigidity and stability meet the demands, can realize the multistation modular device structure that the part facing was opened wide and the part turn-over was processed, the alignment mode of device has been optimized simultaneously, the quick location compresses tightly the technique has been applied, cutting path is wide-open, change original because the clamp plate interferes to shut down and trades the worker position procedure and be the continuous cutting procedure, it is quick to have reached the preparation, machine tool utilization rate efficient purpose, the work efficiency who will process the pillar part improves 70%. The utility model discloses a provide the technological basis accumulation for the popularization of the quick repacking technique of technological equipment when improving company's numerical control processing technology level.

Drawings

Fig. 1 is a two-dimensional diagram of the working state of the device of the present invention.

Fig. 2 is a three-dimensional diagram of the working state of the device of the present invention.

Fig. 3 is a two-dimensional schematic diagram of the apparatus of the present invention (changed to a low support).

Fig. 4 is a three-dimensional schematic diagram of the working state of the semicircular seat of the present invention.

Fig. 5 is a three-dimensional schematic diagram of the compression screw of the present invention.

Fig. 6 is a three-dimensional schematic diagram of the positioning pin of the present invention.

Fig. 7 is a three-dimensional schematic view of the side fixing clamp of the present invention.

Fig. 8 is a three-dimensional schematic view of the side fixing clip body of the present invention.

Fig. 9 is a three-dimensional diagram of the combination of the clamping arm and the chuck of the side fixing clamp of the present invention.

Fig. 10 is a three-dimensional schematic diagram of a second positioning pin according to the present invention.

Fig. 11 is a three-dimensional schematic diagram of the high support of the present invention.

Fig. 12 is a two-dimensional schematic diagram of the ball lock shaft of the present invention.

Fig. 13 is a three-dimensional schematic view of the ball lock shaft of the present invention.

Fig. 14 is a three-dimensional schematic view of the positioning sleeve of the present invention.

Fig. 15 is a two-dimensional schematic view of the front receiving sleeve of the present invention.

Fig. 16 is a three-dimensional schematic view of a front receiving sleeve according to the present invention.

Fig. 17 is a three-dimensional schematic diagram of the jack of the present invention.

Fig. 18 is a simplified diagram of the base of the jack of the present invention.

Fig. 19 is a schematic view of a steel ball assembly according to the present invention.

Fig. 20 is a three-dimensional view of the assembly relationship between the first support and the side fixing clamp of the present invention.

Fig. 21 is a three-dimensional schematic view of a first support of the present invention.

Fig. 22 is a three-dimensional schematic view of the support plate of the present invention.

Fig. 23 is a three-dimensional schematic view of the left bracket of the present invention.

Fig. 24 is a schematic view of a bracket according to the present invention.

Fig. 25 is a schematic view of the right bracket of the present invention.

In the figure: 1. a first positioning pin; 2. a semicircular pressing plate; 3. a bushing; 4. a screw; 5. a shoulder nut; 6. an eye bolt; 7. a pin; 8. a semicircular seat; 9. a compression screw; 10. locking the nut; 11. a screw; 12. a left bracket; 13. positioning a bolt; 14. a bushing; 15. a middle bracket; 16. a support plate; 17. a compression screw; 18. locking the nut; 19. fixing a clamp on the side surface; 20. a second positioning pin; 21. a high support; 22. a lower support; 23. a right bracket; 24. a ball lock shaft; 25. a positioning sleeve; 26. a front receiving sleeve; 27. a screw; 28. a jack; 29. a first support; 30. a first U-shaped groove; 81. a compression screw mounting hole; 121. 151, 231, pin holes; 122. 152 and 232 and a second U-shaped groove; 161. a compression screw mounting hole; 191. a body; 192. a gasket; 193. a screw; 194. the anti-deviation inner hexagonal top-tightening screw; 195. clamping arms; 196. a cylindrical pin; 197. a tooth surface chuck; 198. a screw; 199. jacking the screw tightly; 1910. a waist-shaped hole; 211. clamping the through hole; 212. a positioning sleeve mounting hole; 213. a compression screw mounting hole; 214. mounting surfaces of the positioning pins; 233. the front surface receives a sleeve mounting hole; 241. a shaft body; 242. a bolt shaft; 243. a large ball; 244. a pellet; 281. a base; 282. locking the nut; 283. a steel ball component; 291. a middle bracket mounting hole; 292. fixing a clamp mounting hole on the side surface; 293. and supporting plate mounting holes.

Detailed Description

The invention is further described below with reference to specific preferred embodiments, without thereby limiting the scope of protection of the invention.

For convenience of description, the description of the relative position of the components (e.g., up, down, left, right, etc.) is described with reference to the layout direction of the drawings, and does not limit the structure of the patent.

Example 1:

as shown in fig. 1-25, an embodiment of the multi-station modular rapid assembly fixture for realizing the opening of the part processing surface of the present invention includes a first positioning pin 1, a semicircular pressing plate 2, a bushing 3, a screw 4, a shoulder nut 5, a swing bolt 6, a pin 7, a semicircular seat 8, a compression screw 9(M24, total 6), a lock nut 10(M24), a screw 11, a left bracket 12, a bolt 13, a bushing 14, a middle bracket 15 (total 3), support plate 16 (totally 6), housing screw 17(M16), lock nut 18(M16), side mounting fixture subassembly 19, second locating pin 20 (phi 60), high support 21, low support 22, right branch frame 23, ball lock axle (totally 8) 24, one-level position cover 25 (totally 4), front receiving cover 26 (totally 8), screw 27 (totally 24), jack 28 (3 specifications, figure 17), first support 29. The left support 12, the middle support 15 and the right support 23 are sequentially placed on a machine tool workbench, the bolts 13 penetrate through the bushings 14 on the supports and are inserted into T-shaped key grooves on the machine tool workbench respectively, and the bolts 13, the bushings 14 and the T-shaped key grooves form H8/f7 clearance fit. The two ends of the left support 12 are respectively fastened and connected with a semicircular seat 8 through screws 11, one end of the top of each semicircular seat 8 is hinged with one end of a semicircular pressing plate 2, the other end of each semicircular pressing plate 2 is provided with a first U-shaped groove 30, a pin 7 is fixedly arranged at the corresponding end of the top of each semicircular seat 8, one end of an eyelet bolt 6 is sleeved on the pin 7, and the other end of the eyelet bolt 6 penetrates through the first U-shaped groove 30 of the semicircular pressing plate 2 and is movably locked and fixed in position with a nut 5 with a shoulder, which is positioned on the top surface of the semicircular pressing plate 2. When the positioning device is used, the first positioning pin 1 penetrates through a machined part and is placed in the two semicircular seats 8, and then the semicircular seats 8 and one end of the semicircular pressing plate 2 are locked and positioned by the shoulder nut 5 and the eyelet bolt 6. Two ends of the top surface of the middle support 15 are respectively provided with a first support 29 through screws 11, the top surface of the first support 29 is provided with a side fixing clamp 19 for pressing a part blank to be machined, the outer side surface of the top of the first support 29 is fixedly provided with a support plate 16, a compression screw 17 with a locking nut 18 is arranged on the support plate 16, after the part blank is pressed and machined by the side fixing clamp 19, the side fixing clamp 19 is tightly pressed by the compression screw 17, and then the locking nut 18 locks the part blank. The two ends of the right bracket 23 are respectively provided with a high support 21 or a low support 22 selectively, and the top surface of the high support 21 or the low support 22 is provided with a positioning pin mounting surface 214. Jacks 28 for supporting machined parts are respectively arranged on the upper surfaces of the left support 12, the middle support 15 and the right support 23. The two semicircular seats 8 and the two high seats 21 or the two low seats 22 are respectively provided with compression screws 9 (4 in total) with locking nuts 10 for locking the width direction of the machined part blank.

In order to prevent the working surfaces of the semicircular seat 8 and the semicircular pressing plate 2 from being worn, the bushings 3 are respectively arranged on the working surfaces of the semicircular seat 8 and the semicircular pressing plate 2 by using screws 4.

The side fixing clamp 19 comprises a body 191, waist-shaped holes 1910 are formed in two sides of the body 191, screws 193 are arranged in the waist-shaped holes 1910, and the side fixing clamp 19 is installed on the first support 29 through the screws 193. The center of the waist-shaped holes 1910 are 15mm apart, so that the screw 193 can move within a range of 15mm and fix the body 191. After the screw 193 is adjusted in place in the slot 1910, it is tightened with an anti-drift allen cap screw 194. One end of the middle of the body 191 is provided with a cylindrical pin 196, the cylindrical pin 196 is provided with a clamping arm 195 in clearance fit, the top of the clamping arm 195 is provided with a tooth surface chuck 197 through a screw 198, the other end of the middle of the body 191 is provided with a jacking screw 199 through a threaded hole, so that the clamping arm 195 rotates around the cylindrical pin 196 under the action of the jacking screw 199 to drive the tooth surface chuck 197 to contact and press the side surface of a blank of a machined part. The tooth surface clamping head 197 has three specifications which can be selected and replaced, and can move 0-10.2 mm under the action of the jacking screw 199. 2 side fixing clamp mounting holes 292 for mounting the side fixing clamps 19 at intervals of 20mm are designed on the upper surface of the first support 29, so that the integral mounting distance of the side fixing clamps 19 can be adjusted by 20 mm; the adjustable range of the single side of the width direction of the utility model is 0-45 mm.

Two first-stage positioning sleeves 25 are diagonally arranged on the bottom plate of the high support 21 or the low support 22, two clamping through holes are diagonally arranged, and the first-stage positioning sleeves 25 are in compression fit with the mounting holes on the bottom plate of the high support 21 or the low support 22 in an H7/r6 mode. The right bracket 23 is provided with a front receiving sleeve 26 by a screw 27, and the ball lock shaft 24 passes through a primary positioning sleeve 25 and a clamping through hole on the bottom plate of the high support 21 or the low support 22 to be connected with the front receiving sleeve 26. The front receiving sleeve 26 is internally provided with a conical surface A, the ball lock shaft 24 comprises a shaft body 241, a bolt shaft 242 is arranged in the shaft body 241 through threads, the bottom of the bolt shaft 242 is provided with a large ball 243 and three small balls 244, the three small balls 244 are in clearance fit with the shaft body 241 and partially extend out of the shaft body 241, the large ball 243 is arranged on the three small balls 244, and when the bolt shaft 242 is rotated, the large ball 243 drives the small balls 244 to be in contact with and fastened with the conical surface A of the front receiving sleeve 26. When the high and low supports 21, 22 are switched, the bolt shaft 242 is rotated in the reverse direction to release the fastening state of the ball lock shaft 24 and the front receiving sleeve 26.

The jack 28 includes a base 281, a steel ball assembly 283 is screwed in the base 281, and a locking nut 282 is disposed on the steel ball assembly 283. The steel ball assembly 283 can be adjusted and adapted to the shape of the blank of the workpiece, and then the height of the workpiece is locked by the locking nut 282.

The utility model is used for the front of processing part adds man-hour, at first will install the left socle 12 of semicircle seat 8 and semicircle clamp plate 2, install the well support 15 of side mounting fixture 19 and backup pad 16, install the right branch frame 23 of high support 21 and place in proper order on the lathe workstation, guarantee left socle 12, well support 15, right branch frame 23 for lathe workstation width direction centering to in inserting the T type keyway on the lathe workstation with bush 14 on each support is passed with bolt 13 respectively. Then the first positioning pin 1 and the second positioning pin 20 are in clearance fit with the rough positioning holes of the machined part blank to form phi 106H8/f7 and phi 60H8/f7, inserted into the rough positioning holes of the machined part blank and respectively placed on the semicircular seat 8 and the high support 21. Then, after the left support 12, the middle support 15 and the right support 23 are adjusted to the positions meeting the machining requirements, T-shaped bolts and a pressure plate (provided by the machine tool) are installed in second U-shaped grooves of the left support 12, the middle support 15 and the right support 23, so that the left support 12, the middle support 15 (comprising three supports) and the right support 23 (comprising 5 supports) are firmly fixed on a workbench of the machine tool. And then, a jack 28 is arranged on the upper surfaces of the left support 12, the middle support 15 and the right support 23, the jack 28 is adjusted to the required height and supported on the lower end surface of the blank of the machined part, as shown in fig. 17, a steel ball assembly 283 can be automatically adjusted along with the shape of the blank, and the height is locked by a locking nut 28-2, so that the height direction position of the support blank is determined. And finally, detecting the alignment of the width center of the support blank and the width direction of the device, when the alignment is within +/-0.05 mm, screwing down 4 compression screws 9 (total number is 4) on the semicircular seat 8 and the high support 21, locking the width direction of the processed part blank by a locking nut 10, ensuring the height and width direction positions of the support blank, further rotating a jacking screw 199 of the side fixing clamp 19, enabling the clamping arm 195 to rotate around the cylindrical pin 196, driving the tooth surface chuck 197 to be in contact with and compress the side surface of the processed part blank, simultaneously jacking the side fixing clamp 19 by a compression screw 17, and locking by a locking nut 18, so that the side fixing clamp 19 cannot shift during processing.

The utility model is used for when the reverse side of processing part adds, the method is the same with positive processing method, only with high support 21 replacement for low support 22 can. When the lower support is replaced, the bolt shaft 242 of the ball lock shaft 24 used for locking the high support 21 on the right support 23 is rotated reversely, so that the ball lock shaft 24 can be withdrawn, and after the lower support 22 is placed, the lower support 22 and the right support 23 are locked by the ball lock shaft 24.

The above description is only for the preferred embodiment of the present application and should not be taken as limiting the present application in any way, and although the present application has been disclosed in the preferred embodiment, it is not intended to limit the present application, and those skilled in the art should understand that they can make various changes and modifications within the technical scope of the present application without departing from the scope of the present application, and therefore all the changes and modifications can be made within the technical scope of the present application.

Claims (10)

1. A multi-station modular rapid combination tool for realizing the opening of a part processing surface comprises a left support (12), a middle support (15) and a right support (23), and is characterized in that two ends of the left support are respectively provided with a positioning pin mounting seat; two ends of the middle support are respectively provided with a first support (29), the top surface of each first support is provided with a side fixing clamp (19) for pressing a machined part, the outer side surface of the top of each first support is fixedly provided with a support plate (16), and the support plate is provided with a first tightly-jacking structure for tightly jacking the side fixing clamp; and the two ends of the right bracket are respectively provided with a second support, and the top surface of the second support is provided with a second positioning pin mounting surface.

2. The multi-station modular rapid assembly tooling for realizing the opening of the machined surface of the part as claimed in claim 1, wherein the side fixing clamp comprises a body (191), waist-shaped holes (1910) are arranged on two sides of the body, and the body is mounted on the first support through screws (193) arranged in the waist-shaped holes; one end of the middle part of the body is hinged with a clamping arm (195) with a clamping head, and the other end of the middle part of the body is provided with a second jacking structure which is used for driving the clamping arm and enabling the clamping head to compress the processing part.

3. The multi-station modular rapid assembly tooling for realizing the opening of the part processing surface as claimed in claim 2, wherein the collet is tightly connected with the clamping arms, and the collet is a tooth surface collet with different specifications.

4. The multi-station modular rapid assembly tooling for realizing the opening of the part processing surface according to claim 1, wherein two sets of side surface fixing clamp mounting holes are arranged at the top of the first support, and a distance is reserved between the two sets of side surface fixing clamp mounting holes.

5. The multi-station modular rapid assembly tooling for realizing the opening of the part processing surface according to claim 1, wherein jacks (28) for supporting the processed parts are respectively arranged on the upper surfaces of the left support, the middle support and the right support.

6. The multi-station modular rapid assembly tooling for realizing the opening of the part processing surface according to claim 1, wherein a third tightening structure for locking the width direction of the processed part is respectively arranged on the positioning pin mounting seat and the second support.

7. The multi-station modular rapid assembly tooling for realizing the opening of the machined surfaces of parts according to claim 1, wherein the locating pin mounting seat comprises a semicircular seat (8) arranged on the left support, one end of the top of the semicircular seat is hinged with one end of a semicircular pressing plate (2), the other end of the top of the semicircular seat is hinged with one end of an eyelet bolt (6), the other end of the semicircular pressing plate is provided with a first U-shaped groove (30), the other end of the eyelet bolt selectively passes through the first U-shaped groove to be locked and positioned with a nut positioned on the top surface of the semicircular pressing plate, and a first locating pin mounting hole is arranged between the semicircular seat and the semicircular pressing plate.

8. The multi-station modular rapid assembly tooling for realizing the opening of the machined surfaces of parts as claimed in claim 1, wherein a positioning sleeve (25) is diagonally mounted on the bottom plate of the second support, two clamping through holes are diagonally formed, a front receiving sleeve (26) is mounted on the right support corresponding to the positioning sleeve and the clamping through holes, and a plurality of ball lock shafts (24) pass through the positioning sleeve or the clamping through holes to be connected with the front receiving sleeve.

9. The multi-station modular rapid assembly tooling for realizing the opening of the part processing surface as claimed in claim 1, wherein the left support, the middle support and the right support are provided with bolt holes (121, 151, 231) for preliminary positioning with the machine tool workbench and second U-shaped grooves (122, 152, 232) for further positioning with the machine tool workbench.

10. The tooling of claim 5, wherein the jack comprises a base (281), a steel ball assembly (283) is screwed in the base for abutting against the machined part, and a lock nut (282) is arranged on the steel ball assembly.

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