TWM538431U - Direct-driving type index dial suction-attaching structure - Google Patents

Description

Direct drive indexing plate adsorption structure

This creation is related to the technical field related to the indexing plate, especially a direct-drive indexing plate adsorption structure that achieves a fixed workpiece through gas suction.

The indexing plate is an indispensable kit in the automation machinery, such as precision machining, assembly, production, etc.; the indexing plate can be used to generate the indexing and positioning functions, and the indexing plate can accurately control the rotation of the table, according to the processing The required cutting angle controls the displacement of the table at a relative angle to achieve precise positioning.

The conventional indexing plate can only function as indexing and positioning, and has no structure for clamping the workpiece. If the workpiece is to be clamped, it is necessary to cooperate with the locking of the claw clamp or the chuck device. The workpiece is clamped through the opening of the jaw clamp or the chuck device, and the adjustment of the jaw clamp or the opening of the chuck device can only be changed by the user through mechanical rotation or twisting of the linkage.

Although the conventional claw clamp or the chuck device can achieve the purpose of clamping the workpiece, the claw clamp or the chuck device is large in size and complicated in structure, and is adjusted manually by a limited processing space in the limited processing machine. Claw clips or collet devices are also very time consuming and labor intensive.

In view of the problems and deficiencies of the above-mentioned prior art, the main purpose of the present invention is to provide a direct-drive indexing plate adsorption structure, which omits the implementation of the claw clamp or the chuck device through the design of the structure, and can overcome the above-mentioned Missing.

According to the above object of the present invention, a direct drive indexing plate adsorption structure is proposed, wherein the direct drive indexing disk comprises a power mechanism, a rotating shaft, and a connecting seat, and the adsorption structure comprises a lock frame and at least one air passage. , a ring set, and a plurality of airtight ring sets. The lock frame is locked to the rear end of the power mechanism. The airway system is formed on the rotating shaft. The ring sleeve is corresponding to the outer circumference of the rotating shaft and is locked to the lock frame. The airtight ring set is disposed between the rotating shaft and the ring sleeve to maintain a sealed passage between the air passage and the ring sleeve. Through the composition of the above structure, the air suction force provided by the air suction unit connected to the connection is used to extend the air suction force to the front end surface of the rotating shaft for adsorbing the workpiece.

1‧‧‧Power Agency

12‧‧‧ shaft

13‧‧‧Connecting seat

21‧‧‧Lock frame

211‧‧‧Lock plate

212‧‧‧Lock ring

213‧‧‧ring piercing

214‧‧‧Lock perforation

22‧‧‧ Airway

221‧‧‧ suction port

222‧‧‧ air outlet

23‧‧‧Enclosed

231‧‧‧First reduction section

232‧‧‧Second diameter reduction section

233‧‧‧Path expansion

234, 235‧‧‧ Inner ring groove

236, 237‧‧‧ 汲 孔

238‧‧‧ 容容

241‧‧‧First quick release joint

242‧‧‧Second quick release joint

243‧‧‧ Third quick release joint

251‧‧‧ trachea

26‧‧‧Airtight ring group

261‧‧‧ wear ring

262‧‧‧Flexible washers

T‧‧‧Workpiece

Figure 1 is a schematic diagram of an embodiment of the present invention.

Fig. 2 is an exploded perspective view of the embodiment shown in Fig. 1.

Figure 3 is a schematic view of a partial member of the embodiment shown in Figure 2.

Fig. 4 is a schematic cross-sectional view showing the embodiment shown in Fig. 1.

Figure 5 is a partial cross-sectional view of the embodiment shown in Figure 4.

Hereinafter, please refer to the related drawings to further explain the embodiment of the direct-drive indexing plate adsorption structure of the present invention, in order to facilitate understanding of the present embodiment, the following The components are labeled with the same symbols.

Referring to Figures 1 to 5, the direct drive indexing plate includes a power mechanism 1, a rotating shaft 12 driven by the driving power mechanism 1, and a connection concentrically coupled to and driven by the rotating shaft 12. Block 13. The adsorption structure comprises a lock frame 21, at least one air passage 22, a ring sleeve 23, and a plurality of airtight ring sets 26, which are connected to an air suction unit (not shown) through the structure of the above structure, and transmit the air suction. One of the unit outputs is attracted to the front end surface of the rotating shaft 12.

The lock frame 21 is locked to the rear end of the power mechanism 1 and has a locking plate 211, a locking ring portion 212, at least one ring portion through hole 213, and a locking through hole 214. The locking ring portion 212 is erected on the locking plate 211 , and its contour matches the rear end contour of the power mechanism 1 , and is locked to the rear end of the power mechanism 1 through the locking ring portion 212 . The ring through hole 213 is formed through the locking ring portion 212, and the first and second quick release joints 241 and 242 are respectively provided at two ends to facilitate the connection of the air suction unit 3 (not shown). The locking through hole 214 is formed concentrically with the power mechanism 1 through the locking plate 211. In practice, the suction unit 3 can directly penetrate the loop through-hole 213 through the conduit, omitting the implementation of the first and second quick-release joints 241, 242.

The air passage 22 is axially formed in the rotating shaft 12, and has two air inlets 221 and one air outlet 222 respectively. The air inlet 221 is formed on the front end surface of the rotating shaft 12, and the front end surface of the rotating shaft 12 is The end faces of the connecting seats 2 are located on the same plane. Further, the air outlet 222 is formed on the radially outer circumferential surface of the rear portion of the rotating shaft 12.

The loop sleeve 23 is an annular body, and the air outlet 222 is sleeved on the outer circumference of the rotating shaft 12. Having a first diameter reduction section 231 and a second diameter reduction section 232, A diameter expansion section 233, at least one inner ring groove 234 (235), at least one air hole 236 (237), and a plurality of pockets 238. The first and second diameter reducing sections 231 and 232 are respectively formed at opposite ends of the ring sleeve 23. The diameter expansion section 233 is connected to the first and second diameter reduction sections 231 and 232 respectively formed on the ring sleeve 23. The inner ring groove 234 (235) is formed to be recessed along the inner annular surface of the ring sleeve 23. The herm holes 236 (237) are formed radially through the collar 23 to communicate the inner ring groove 234 (235) with the outer portion of the collar 23. Each of the pockets 238 is formed on the inner ring surface of the collar 23 corresponding to the inner ring groove 234 (235). As shown in the preferred embodiment shown in Figures 3 and 4, two xenon holes 236 (237) and inner ring grooves 234 (235) are used as an embodiment, and the xenon holes 236 (237) are respectively radially penetrated through the first The diameter reduction section 231 and the diameter expansion section 233 provide a third quick release joint 243 correspondingly locked to the outer circumferential surface of the ring sleeve 23, and then coupled with a gas pipe 251 and the second quick release joint 242 of the lock ring portion 212. A suction unit (not shown) is directly connected to the third hole quick-release joint 243 by fitting a conduit (not shown) to the ring-opening hole 213, or directly connected to the air hole 236 (237), and the first part is omitted. , two or three quick release joints 241, 242, 243 and air pipe 251 and other components. The second diameter reducing section 232 extends through the locking hole 214 of the lock frame 21, and the diameter expansion section 233 abuts and locks the locking plate 211 of the lock frame 21.

The airtight ring set 26 is sleeved on the outer circumference of the rotating shaft 12, and is disposed on both sides of the air outlet 222 and accommodated in the receiving groove 236. The airtight ring set 26 ensures the formation between the inner ring groove 234 and the air outlet 222. A sealed passage. The ring set 26 includes a wear ring 261 and a resilient washer 262 that are sleeved on each other. The wear ring 261 is inserted around the outer periphery of the rotating shaft 12, and the elastic washer 262 of the outer periphery of the wear ring 261 provides a preload. .

Therefore, the above description is a preferred embodiment of the present invention, and the introduction of each component and the assembly method of the direct-drive indexing plate adsorption structure, and the actuation characteristics of the embodiment of the present invention are described below.

The direct drive indexing plate of the present invention is implemented in a processing machine. When the workpiece T is to be processed for processing, the air suction unit (not shown) is actuated to generate an air suction force, which is sequentially passed through the ring portion. The through hole 213 (the first and second quick release joints 241, 242), the air pipe 251, the air holes 236, 237 (the third quick release joint 243), the inner ring grooves 234, 235, the air outlet 222 and the air passage 22, and finally to the rotating shaft 12 The suction port 221 of the front end enables the workpiece T placed at the front end of the rotating shaft 12 to be adsorbed by the air suction force, and can properly temporarily fix the workpiece T against the rotating shaft 12 and the front end surface of the connecting base 2.

The above description is only for the preferred embodiment of the present invention, and is intended to clarify the features of the present invention, and is not intended to limit the scope of the present embodiment, and the average variation made by those skilled in the art according to the present creation. Changes that are well known to those skilled in the art, and still fall within the scope of this creation.

1‧‧‧Power Agency

12‧‧‧ shaft

13‧‧‧Connecting seat

21‧‧‧Lock frame

232‧‧‧Second diameter reduction section

Claims (8)

A direct drive indexing plate adsorption structure, wherein the direct drive indexing disk comprises a power mechanism, a rotating shaft extending through the power mechanism and driven by the same, and a connecting base connected to the front end of the rotating shaft and driven by the rotating shaft The suction structure comprises: a lock frame locked to the rear end of the power mechanism; at least one air passage is axially formed in the rotating shaft, and the two ends respectively have a suction port and an air outlet connected to each other, The air inlet is formed on the front end surface of the shaft in the axial direction, and the air outlet is formed on the radially outer circumferential surface of the rear portion of the rotating shaft; a ring sleeve is disposed on the outer circumference of the rotating shaft corresponding to the air outlet, and is locked to the lock The frame has at least one inner ring groove, at least one air hole, and a plurality of pockets; the inner ring groove is corresponding to the position of the air outlet, and is formed along the inner ring surface of the ring sleeve; the air hole is radially penetrated through the ring sleeve Forming to connect the inner ring groove and the outer portion of the ring sleeve; the receiving groove is formed on the inner ring surface of the inner ring groove corresponding to the inner ring groove; at least one airtight ring group is sleeved on the outer circumference of the rotating shaft, And accommodated in each of the pockets, through the airtight ring group A sealing passage can be formed between the inner ring groove and the air outlet; wherein an air suction unit is selectively provided with an air suction unit to cause the air suction along the air hole, the inner ring groove, the air outlet, and the The air passage extends to the suction port at the front end of the rotating shaft for sucking a workpiece placed on the front end surface of the rotating shaft. The direct-drive indexing plate adsorption structure according to the first aspect of the patent application, wherein The lock frame has a locking plate, a locking ring portion, at least one ring portion perforation, and a locking through hole; the locking ring portion is erected on the locking plate, and its contour matches the rear end contour of the power mechanism The ring through hole is formed through the lock ring portion; the lock through hole is formed concentrically with the power mechanism through the lock plate. The direct-drive indexing plate adsorption structure according to the second aspect of the invention, wherein the air suction unit is connected to the air hole by a conduit extending through the hole of the ring. The direct-drive indexing plate adsorption structure according to the second aspect of the invention, wherein the inner peripheral surface of the locking ring portion further has a second quick-release joint on the ring-perforated lock, and a corresponding lock is arranged in the air-hole corresponding lock. The third quick release joint and a gas pipe are respectively connected to the second and third quick release joints. The direct drive indexing plate adsorption structure according to the fourth aspect of the invention, wherein the outer circumferential surface of the locking ring portion is further provided with a first quick release joint for the perforation lock of the ring portion to provide the suction unit connection. The direct-drive indexing plate adsorption structure according to any one of claims 1 to 5, wherein the airtight ring set comprises a wear ring and a resilient washer that are nested with each other, through the wear ring The elastic gasket, which is fitted to the outer circumference of the rotating shaft and cooperates with the outer circumference of the wear ring, provides a pre-pressure. The direct drive indexing plate adsorption structure according to any one of claims 2 to 5, wherein the ring sleeve further has a first diameter reduction section, a second diameter reduction section, and a diameter expansion section. The first and second diameter constrictions are respectively formed at opposite ends of the collar, and the radial expansion section is respectively connected to the first and second diameter constrictions formed on the collar, and the second diameter reduction section The locking perforation is penetrated, and the diameter expansion section abuts and locks with the locking plate. The direct drive indexing plate adsorption structure of claim 7, wherein the airtight ring set comprises a wear ring and a resilient washer that are nested on each other, and the outer ring of the rotating shaft is sleeved through the wear ring. The rim, the resilient washer that cooperates with the outer periphery of the wear ring provides a pre-pressure.