TWI786905B - Processing machine - Google Patents

Abstract

A processing machine tool, including a workbench and a material support table, the workbench includes a base and an indexer fixed on the base, the base is provided with a lifting plate that can be raised and lowered, and the indexer has an indexer Combining plate, the indexing and combining plate is provided with at least one joint slot, and the two opposite sides of the joint slot have two outer joint slopes. A front clamp is provided for clamping a workpiece, and the front clamp can be rotated in conjunction with a front clamp joint plate, and the front clamp joint plate is provided with at least one joint protrusion, and the joint protrusion is provided with corresponding two outer joints. The two inner coupling slopes of the inclined surface can make the coupling protrusion and the coupling slot mutually embedded or separated as the lifting plate goes up and down; thereby, the processing precision and service life can be greatly improved.

Description

Processing machine

The present invention relates to the technical field of the structural aspects of processing machine tools used in processing machines such as processing centers, especially a processing machine tool that can make the workpiece and indexer run more stably, so as to greatly improve the processing precision and service life By.

Processing machines such as general machining centers can unload the processed parts and load the unprocessed parts at the same time when the processed parts are being processed. It consists of a table and at least two supporting tables, so that the unprocessed workpiece can be installed on one of the supporting tables and then sent to the workbench for processing, and then it is placed on the preparation table while processing. Install another unprocessed workpiece on the other supporting table, so that when the processed workpiece on the working table is finished, the supporting table on the working table can be sent back to the preparation table for unloading, and then At the same time, another supporting table on the preparation table will be sent to the workbench to process the workpiece on it. Such a reciprocating cycle can greatly save the time of processing and loading and unloading, so as to improve the processing efficiency.

A known structure of a workbench and a support table, as shown in US Patent No. US2019/0061084A1 (please refer to this patent for the drawing numbers of the following US previous documents, and the symbol description in this case will not be marked separately), which is mainly related to this The supporting table 30 is provided with a supporting driving plate 36 which can be linked to the synchronous rotation of the workpiece 50, and two lock holes 37 are provided on one side of the supporting driving plate 36. Move one indexer 20, this indexer 20 side is set There is an indexing drive plate 26 which can be driven to rotate, and one side of the indexing drive plate 26 is provided with two lock posts 45 . When the supporting table 30 carries the workpiece 50 and moves to the workbench, it will drive the indexer 20 to move left and right so that the two locking columns 45 of the indexing drive plate 26 are aligned with the two locking holes of the supporting drive plate 36 37, and then drive the indexer 20 to move back and forth so that the two lock cylinders 45 are inserted into the two lock holes 37, so that the indexer 20 can drive the processing through the plug connection between the two lock cylinders 45 and the two lock holes 37 Member 50 rotates to facilitate processing.

Yet, because it utilizes these two lock cylinders 45 and these two lockholes 37 to insert and connect, and this indexer 20 can be linked with this workpiece 50 to rotate, so in order to make this two lock cylinders 45 and these two lockholes 37 can If it is plugged in smoothly, there will inevitably be a large fit tolerance between it, which means that there will still be a large gap after the two lock cylinders 45 and the two lock holes 37 are plugged in, and this gap will cause a large gap during processing. The workpiece 50 slightly shakes, which further affects the machining precision of the workpiece. Moreover, it utilizes the forward, backward, left, and right movement of the indexer 20 to make the two locking cylinders 45 and the two locking holes 37 form a plug-in connection, so the structural rigidity between the indexer 20 and the workbench is not enough, and it is also easy to process. Vibration will cause poor stability, which will affect the processing precision, and will also greatly reduce the service life of the equipment.

In view of this, the present inventors aimed at the above-mentioned problems, conceived deeply, and actively researched and improved trial production to develop and design the present invention.

The main purpose of the present invention is to solve the problems of poor stability of the workpiece and the indexer in the conventional processing machine tool, which will affect the processing precision and shorten the service life of the equipment.

The invention provides a processing machine tool, which includes a workbench and a supporting table. That Among them, the workbench includes a base and an indexer, the base is provided with a lifting plate that can be raised and lowered, the indexer is fixedly combined with one end of the base, the indexer has an indexing combination plate, and the indexing combination One side of the disc is provided with at least one joint slot, and two opposite sides of the joint slot have two outer joint slopes inclined from top to bottom and inward. The material holding platform can be positioned on the lifting plate and go up and down with it. A front clamp and a rear clamp are respectively movably provided on the material supporting platform for clamping a workpiece. Synchronously rotate a front clamp joint disc, one side of the front clamp joint disc is provided with at least one joint protrusion, the two opposite sides of the joint protrusion are formed with two inner joint slopes corresponding to the two outer joint slopes, the The lifting system of the supporting table along with the lifting plate can make the combining projection and the combining slot be embedded or separated from each other.

In the processing machine tool provided by the present invention, since the indexer and the front fixture are connected by using the joint projection of the front clamp joint plate and the joint slot of the index joint plate to achieve the purpose of connection, and The combination protrusion and the combination slot can achieve a good fit tightness through the combination of the two inner combination slopes and the two outer combination slopes, so the workpiece will not shake during processing, and It has good stability, so it can obtain good processing precision. In particular, the indexer is fixedly combined with the seat, so it has good structural rigidity, which can further improve the stability and precision of processing, and can increase the service life of equipment and improve work efficiency.

10:Workbench

11: Base

12: seat

13: Indexer

130: Indexing combination plate

131: Combining slotting

132: Outer combined bevel

14: Lifting plate

15: Ejector

20: Preparation table

21: Carriage

22: push-pull

23: Hand crank

24:Arrival pole

30: supporting table

31: Front clamp

310: Front clip joint plate

311: front chuck

312: link shaft

313: Combined bump

314: Inner combined bevel

315: positioning hole

32: rear clamp

320: rear chuck

33: Locator

330: insert rod

331:Elastomer

332: putter

333: connecting rod

[Fig. 1] is a three-dimensional schematic view of the present invention.

[Fig. 2] is a three-dimensional exploded and enlarged schematic diagram of the material preparation table and the material support table of the present invention.

[Fig. 3] is the three-dimensional exploded and enlarged schematic view of the clamp before the present invention.

[Fig. 4] is an enlarged schematic diagram of the combined section of the material preparation table and the material support table of the present invention.

[Fig. 5] is a schematic diagram of manual unlocking of the clamp before the present invention.

[Fig. 6] is a three-dimensional disassembled and enlarged schematic diagram of the workbench and the supporting table of the present invention.

[Fig. 7] is a schematic diagram of the movement of the supporting table of the present invention in the state of rising on the workbench.

[Fig. 8] is an enlarged view of the section A-A of Fig. 7.

[Fig. 9] is an enlarged view of the B-B section of Fig. 7.

[Fig. 10] is a schematic diagram of the movement of the supporting table of the present invention in a state of descending on the workbench.

[Fig. 11] is an enlarged view of the C-C section of Fig. 10.

[Fig. 12] is an enlarged view of the D-D section of Fig. 10.

Please refer to shown in Fig. 1, it is to show that the processing machine tool described in the present invention comprises a workbench 10, a material preparation platform 20 and at least two supporting material platforms 30, wherein:

The workbench 10 includes a base 11, a base 12 that can move forward, backward, left, and right on the base 11, and an indexer 13 that is fixedly combined with one end of the base 12. The indexer 13 has an indexing combination Disk 130.

The material preparation platform 20 is located on one side of the workbench 10 and has at least two carriages 21 .

The at least two supporting tables 30 can move between the at least two carriages 21 of the preparation platform 20 and the seat 12 of the workbench 10, and the two supporting tables 30 are respectively movably provided with a front The clamp 31 and a rear clamp 32 are used for clamping a workpiece (not shown in the figure). The front clamp 31 has a front clamp joint disc 310 which can rotate synchronously with the workpiece. When one of the supporting tables 30 is moved onto the bearing 12 by one of the carriages 21 of the preparation platform 20, one of the carriages 21 of the front clamping plate 310 and the indexing joint 20 is moved to the bearing. When the seat 12 is on, it is to make the front clamp joint plate 310 and the index joint plate 130 link, so that the indexer 13 can thus drive the workpiece to rotate, and at the same time, another supporting table 30 will be located on the material preparation table. 20 on another slide frame 21, can be convenient for the operator to unload this machined piece that processing completes and install this machined piece of unprocessed stand-by processing.

Please cooperate and refer to shown in Fig. 2 to Fig. 5, point out that this back clamp 32 of this each material holding table 30 system has a rear chuck 320 that can rotate freely, and this front clamp 31 system has a front chuck 311 for supplying Cooperate with the rear chuck 320 to clamp the workpiece. The front chuck 311 is connected to the front clamping disc 310 by a connecting shaft 312 that can rotate freely in the front clamp 31 , so that the front chuck 311 can rotate synchronously with the front clamping disc 310 . One side of the front clip joint plate 310 is provided with at least one joint protrusion 313 , and two opposite sides of the joint protrusion 313 are formed with two inner joint slopes 314 inclined inwardly at an angle from top to bottom. The peripheral surface of the connecting shaft 312 is provided with a plurality of positioning holes 315 arranged in a ring at intervals. The front clamp 31 is provided with a locator 33, and the locator 33 is clamped in one of the positioning holes 315 so that the front clamp joint plate 310 cannot rotate, so as to facilitate the front clamp joint plate 310 and the index joint plate 130, the locator 33 can also be disengaged from the positioning hole 315 to be released so that the front chuck 311 can rotate freely, so as to facilitate the unloading of the finished workpiece.

As can be seen in FIGS. 4 and 5 , the positioner 33 includes an insertion rod 330 , an elastic body 331 , a push rod 332 and a connecting rod 333 . The insertion rod 330 is axially movably combined in the front clamp 31 , and its upper end can be inserted into or disengaged from any positioning hole 315 therein to limit or allow the connecting shaft 312 to rotate. The elastic body 331 can provide elastic force to insert the insertion rod 330 into the positioning hole 315 . The push rod 332 is axially movable combined in the front clamp 31 , and the lower end protrudes to the bottom surface of the holding table 30 . The connecting rod 333 is rotatably pivoted at the center of the front clamp 31, and the two ends are respectively connected with the lower end of the insertion rod 330 and the upper end of the push rod 332, so that the push rod 332 The insertion rod 330 can be moved in conjunction with it to insert or disengage from the positioning hole 315 .

In Fig. 2, Fig. 4, Fig. 5 and Fig. 6, it can be seen that the material preparation platform 20 is provided with at least one push-pull device 22, which can push the supporting platform 30 on the carriage 21 to the workbench 10. The bearing seat 12, and the material holding table 30 on the bearing seat 12 is pulled back to the material preparation table 20. This each sliding frame 21 is respectively provided with a manual crank 23, and the center of the manual crank 23 is pivoted on the sliding frame 21, and one end stretches out of the sliding frame 21, and the other end is pivotally provided with a shaft movable 24 as soon as it reaches the pole. One end of the manual crank 23 can be swung downward to make the push rod 332 of the positioner 33 pushed up by the contact rod 24 to move up, so as to move the insertion rod 330 away from the positioning hole 315, thereby making the The workpieces on the supporting table 30 can therefore be rotated freely, so as to facilitate the unloading of the processed workpieces and the installation of unfinished workpieces.

Please cooperate and refer to shown in Fig. 6 to Fig. 12, point out that this bearing 12 is provided with a lifting plate 14 that can be lifted, and this lifting plate 14 can be used for accepting the supporting table 30 from the material preparation table 20, and Make the material holder 30 move up and down on the bearing seat 12 . In the present invention, the lifting plate 14 is driven up and down by a plurality of hydraulic cylinders arranged on the base 12 . One side of the indexing joint plate 130 is provided with at least one joint slot 131 for at least one joint protrusion 313 of the front clip joint plate 310 to be embedded, and two opposite sides of the joint joint slot 131 have corresponding The two outer combining slopes 132 of the two inner combining slopes 314 of the protruding block 313 are combined. The support 12 is provided with a push rod 15. When the material holder 30 is lowered to the position along with the lifting plate 14, the push rod 15 can push up the push rod 332 of the positioner 33 to move the inserting rod 332. The rod 330 breaks away from the positioning hole 315, so that the workpiece on the supporting table 30 can rotate freely.

As can be seen in Fig. 1 and Fig. 6, after the workpiece to be processed is installed on one of the supporting tables 30 on the preparation table 20, the lifting plate 14 on the seat 12 will rise to an appropriate position. height, then the push-pull device 22 will push the material holder 30 onto the lifting plate 14.

The elastic force makes the inserting rod 330 inserted into the positioning hole 315, and then the front clip joint plate 310 cannot be rotated. The coupling protrusion 313 of the front clip coupling disc 310 is slightly higher than the coupling slot 131 of the index coupling disc 130 .

It can be seen from Fig. 10 to Fig. 12 that when the lifting plate 14 descends to lower the holding table 30 on it. The coupling protrusion 313 of the front clip coupling plate 310 will be inserted into the coupling slot 131 of the index coupling plate 130 downward, so that the front clamp coupling plate 310 and the index coupling plate 130 are coaxial. At the same time, the push rod 332 of the locator 33 will be pushed up by the push rod 15 of the socket 12 , and the insertion rod 330 will be moved away from the positioning hole 315 . In this way, the indexer 13 can drive the workpiece to rotate for processing.

Afterwards, when the processing is completed, the lifting plate 14 will drive the material support table 30 to rise, so that the combination projection 313 is separated from the combination slot 131, and then the push-pull device 22 is used to pull the material support platform 30 back to the material preparation platform. 20 on the vacant slide frame 21, so as to remove the workpiece, and then use the push-pull device 22 to push the supporting table 30 on the other slide frame 21 with the workpiece to be processed to the work On the lifting plate 14 of the seat 12 of the table 10, the above-mentioned process can be reciprocated in this way, and the operation of loading and unloading can be carried out at the same time as the processing, so as to greatly improve the work efficiency.

In the processing machine tool provided by the present invention, since the indexer 13 and the front fixture 31 utilize the engagement of the engagement projection 313 of the front clamping plate 310 and the engagement groove 131 of the indexing plate 130 The purpose of connection is achieved, and the combination protruding block 313 and the combination slot 131 can achieve good fit tightness through the combination of the two inner combination slopes 314 and the two outer combination slopes 132. There will be no shaking during processing, and it has good stability, so it can obtain good processing precision. In particular, the indexer 13 is fixedly combined on the seat 12, so it has good structural rigidity, and thus can further improve the stability of processing. Qualitative and precise, and can increase the service life of equipment and improve work efficiency.

Therefore, the present invention has great value for industrial use, novelty and advancement, and can truly meet the application requirements for invention patents, so please file an application according to the law.

10:Workbench

12: seat

13: Indexer

130: Indexing combination plate

131: Combining slotting

132: Outer combined bevel

14: Lifting plate

15: Ejector

30: supporting table

31: Front clamp

310: Front clip joint plate

311: front chuck

313: Combined bump

314: Inner combined bevel

32: rear clamp

320: rear chuck

Claims (6)

A processing machine tool, comprising: A workbench includes a base and an indexer, the base is provided with a lifting plate that can be raised and lowered, the indexer is fixedly combined with one end of the base, the indexer has an indexing plate, the indexing plate One side is provided with at least one joint slot, and the two opposite sides of the joint slot have two outer joint slopes inclined from top to bottom; and A material support platform can be used for lifting and lowering on the lifting plate. A front clamp and a rear clamp are respectively movably provided on the material support platform for clamping a workpiece. A front-clamp joint plate that rotates synchronously with the workpiece, one side of the front clamp joint plate is provided with at least one joint protrusion, and the two opposite sides of the joint protrusion are formed with two inner joint slopes corresponding to the two outer joint slopes , along with the lifting system of the lifting plate, the combination protrusion and the combination slot can be embedded or separated from each other. The processing machine tool as described in claim 1, wherein the seat is provided with a push rod, the rear clamp has a rear chuck that can rotate freely, and the front clamp has a front chuck, which can be Cooperate with the rear chuck to clamp the workpiece, the front chuck uses a connecting shaft that can rotate freely in the front clamp to connect the front clamping plate, so that the front chuck can rotate synchronously with the front clamping plate, The peripheral surface of the connecting shaft is provided with a plurality of positioning holes arranged in a ring at intervals, and a locator is provided in the front clamp, and the locator is fixed in one of the positioning holes so that the front clamp joint plate cannot rotate. When the lifting plate descends to an appropriate position, the locator can be driven by the push rod to disengage from the positioning hole to be released so that the front chuck can rotate freely. The processing machine tool as described in Claim 2, wherein the locator includes a plunger, an elastic body, a push rod and a connecting rod, wherein: The insertion rod is axially movable combined in the front clamp, and the upper end can be inserted into or disengaged from any positioning hole, so as to limit or allow the connecting shaft to rotate; The elastic body can provide elastic force to insert the insertion rod into the positioning hole; The push rod is integrated in the front clamp in an axially movable manner, and its lower end protrudes to the bottom surface of the supporting table, which can be pushed by the push rod; The connecting rod is rotatably pivoted at the center of the front clamp, and the two ends are respectively connected with the lower end of the insertion rod and the upper end of the push rod, so that the push rod can be linked to the displacement of the insertion rod to insert or out of the pilot hole. The processing machine tool as described in claim 3 further includes a material preparation platform, and the material support platform can have at least two, wherein: The workbench includes a base on which the base can move back and forth, left and right; The material preparation table is located on one side of the workbench and has at least two sliding frames; The at least two supporting platforms can move between the at least two sliding frames of the material preparation platform and the seat of the workbench. The material platform will be located on another slide frame of the material preparation platform, so that the operator can easily unload the processed workpiece and install the unprocessed processed workpiece for processing. The processing machine tool as described in claim 4, wherein the material preparation table is provided with at least one push-pull device, and the push-pull device can push the material support table on the slide frame to the working table The lifting plate of the seat of the platform, and the material holding platform on the lifting plate of the seat is pulled back to the material preparation platform. The processing machine tool as described in claim 4, wherein each of the carriages is respectively provided with a manual crank, and the center of the manual crank is pivoted on the carriage, and one end extends out of the carriage, and the other end is pivoted There is a thrust rod that can move axially, and one end of the hand crank can be swung downward to make the push rod upwardly push the push rod of the locator to move up, so as to drive the insertion rod out of the positioning hole, Furthermore, the workpieces on the supporting table can be rotated freely, so that the processed workpieces can be removed conveniently.

Images