CN204487404U - The work location of grid table top machining center and clamping structure - Google Patents

Abstract

The utility model discloses a working positioning and clamping structure of a grid table machining center, which comprises a grid table, a vacuum suction cup and a positioning cylinder, and the vacuum suction cup and the positioning cylinder are all installed on the grid table; the grid table has A plurality of vacuum intake holes, the vacuum intake holes communicate with the vacuum system of the grid table; the vacuum suction cup has a first ventilation hole, and the positioning cylinder has a second ventilation hole and a cylinder cavity; thereby, through the grid A vacuum suction cup and a positioning cylinder are installed on the grid table, and a vacuum system is arranged on the grid table. The vacuum suction cup and the positioning cylinder are connected to the vacuum system of the grid table. side, thereby completing the clamping and positioning operation of the workpiece, the operation is simple, and the utility model can be applied to various workpieces, it is extremely convenient and economical to use, effectively reduces the production cost, and is more widely used.

Description

Work Positioning and Clamping Structure of Grid Table Machining Center

technical field

The utility model relates to the technology in the field of wood processing, in particular to a working positioning and clamping structure of a grid table processing center.

Background technique

With the development of science and technology, the grid table wood processing center is more and more common in the field of wood processing. In the prior art, a special fixture is required to process each workpiece, which will lead to a waste of a lot of time and money, especially when processing small batches of workpieces, which will greatly increase the processing cost; in addition, when horizontal drilling is required Hole or milling is increased the difficulty of making special fixtures.

Therefore, continue to study a new technical solution to solve the above problems.

Utility model content

In view of this, the utility model aims at the deficiencies of the existing technology, and its main purpose is to provide a working positioning and clamping structure of a grid table machining center that can handle various workpieces, which is easy to use and economical. features.

In order to achieve the above object, the utility model adopts the following technical solutions:

A working positioning and clamping structure of a grid table machining center, including a grid table, a vacuum suction cup for clamping a workpiece, and a positioning cylinder for positioning the workpiece, the vacuum suction cup and the positioning cylinder are installed on the grid table superior;

The grid table has a plurality of vacuum inlet holes and a plurality of positioning grooves, and the vacuum inlet holes communicate with the vacuum system of the grid table;

A first positioning block extends downward from the bottom of the vacuum suction cup, and the first positioning block is embedded in the positioning groove. A first sealing groove is recessed on the first positioning block, and a first sealing ring is embedded in the first positioning groove. In a sealing groove, the vacuum inlet hole is located inside the first sealing groove; the upper surface of the vacuum chuck is provided with a second sealing groove, a second sealing ring is embedded in the second sealing groove, and the upper surface of the vacuum chuck has A first air hole, the first air hole is located inside the second sealing groove, the first air hole communicates with the vacuum air inlet, and a float vacuum switch is arranged in the first air hole;

A second positioning block extends downward from the bottom of the positioning cylinder, and the second positioning block is embedded in the positioning groove. The second positioning block is recessed with a third sealing groove, and a third sealing ring is embedded in the third positioning groove. In the sealing groove, the vacuum inlet hole is located inside the third sealing groove. The bottom of the positioning cylinder has a second ventilation hole. The positioning cylinder has a cylinder chamber, and the second ventilation hole communicates with the vacuum inlet hole and the cylinder chamber.

As a preferred solution, the vacuum suction cup includes a suction cup bottom plate, a suction cup box, a suction cup fixing seat and a suction cup panel, the suction cup bottom plate is fixed on the grid table, the aforementioned first positioning block is arranged on the suction cup bottom plate, and the suction cup bottom plate There is a third ventilation hole on the top, the suction cup box is fixed on the suction cup bottom plate, a fourth sealing ring is arranged between the suction cup box and the suction cup bottom plate, the fourth ventilation hole is arranged on the suction cup box, the suction cup box There is an accommodating cavity on the top, and the suction cup fixing seat is installed in the accommodating cavity; the suction cup panel is connected and fixed with the suction cup fixing seat; The fourth air hole and the first air hole are connected in sequence; the surface of the suction cup panel is provided with a suction cup film.

As a preferred solution, a filter is provided on the fourth air hole.

As a preferred solution, the positioning cylinder includes a cylinder bottom plate, a cylinder body, a piston rod, a piston, and a cylinder head, the cylinder bottom plate is fixed on the grid table, and the aforementioned second air hole and the second positioning block are all arranged on the cylinder On the bottom plate; the cylinder body is arranged on the cylinder bottom plate, the fifth sealing ring is arranged between the cylinder body and the cylinder bottom plate, the aforementioned cylinder chamber is arranged in the cylinder body, the piston is arranged on one end of the piston rod and is located in the cylinder chamber, A sixth sealing ring is arranged between the outer wall surface of the piston and the inner wall surface of the cylinder body. The piston rod has an accommodating cavity, and a compression spring is arranged in the accommodating cavity, and the two ends of the compression spring respectively abut against the accommodating cavity. The top end surface of the cylinder and the bottom plate of the cylinder, the cylinder head is set on the top end of the piston rod, and the cylinder head can be sleeved on the cylinder body up and down along the outer wall surface of the cylinder body, and a copper sleeve is arranged on the top inner wall surface of the cylinder body , the piston rod passes through the copper sleeve and can move up and down.

As a preferred solution, the fifth sealing ring is an O-ring, and the sixth sealing ring is a Y-ring.

As a preferred solution, a nut is embedded in the inner wall of the piston, and the nut is connected and fixed with the piston rod.

As a preferred solution, a cavity is provided in the cylinder head, an insert nut is embedded in the cavity, the top end of the piston rod has a through hole, and a screw passes through the through hole from bottom to top so as to be connected with Insert nut connection.

As a preferred solution, a dust-proof ring is provided between the inner wall surface of the lower end of the cylinder head and the outer wall surface of the cylinder.

Compared with the prior art, the utility model has obvious advantages and beneficial effects. Specifically, it can be seen from the above technical solutions that,

By installing a vacuum suction cup and a positioning cylinder on the grid table, and setting up a vacuum system on the grid table, the vacuum suction cup and the positioning cylinder are connected to the vacuum system of the grid table, and the vacuum suction cup is used to absorb the workpiece and the positioning cylinder to reach It is placed on the side of the workpiece to complete the clamping and positioning operation of the workpiece. The operation is simple, and the utility model is applicable to various workpieces. It is extremely convenient and economical to use, effectively reduces production costs, and is more widely used.

In order to illustrate the structural features and functions of the utility model more clearly, the utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

Description of drawings

Fig. 1 is the three-dimensional schematic view of the preferred embodiment of the utility model;

Fig. 2 is a partial front view of a preferred embodiment of the present utility model;

Fig. 3 is the top view of the preferred embodiment of the utility model;

Fig. 4 is a partial cutaway view of a preferred embodiment of the present utility model;

Fig. 5 is a three-dimensional schematic diagram of a vacuum chuck in a preferred embodiment of the present invention;

Fig. 6 is an exploded schematic view of Fig. 5;

Fig. 7 is a three-dimensional schematic diagram of a positioning cylinder of a preferred embodiment of the present invention;

Fig. 8 is an exploded schematic view of Fig. 7;

FIG. 9 is a sectional view of FIG. 7 .

Description of the accompanying drawings.

10. Grid table top 11. Vacuum intake hole

12. Positioning groove 20. Vacuum suction cup

201. The first positioning block 202. The first sealing groove

203. The second sealing groove 204. The first vent hole

21. The first sealing ring 22. The second sealing ring

23. Float vacuum switch 24. Suction cup bottom plate

241. The third ventilation hole 25. Suction cup box

251. The fourth ventilation hole 252. Accommodating cavity

26. Suction cup holder 27. Suction cup panel

271. Suction cup film 28. Fourth sealing ring

29. Filter screen 30. Positioning cylinder

301. The second positioning block 302. The third sealing groove

303. Second ventilation hole 304. Cylinder cavity

31. The third sealing ring 32. Cylinder bottom plate

33. Cylinder body 331. Fifth sealing ring

332. Copper sleeve 34. Piston rod

341. Cavity 342. Through hole

35. Piston 351. The sixth sealing ring

36. Cylinder head 361. Concave

362. Dustproof ring 37. Nut pieces

38. Compression spring 39. Insert nut

391. Screw 40. Workpiece.

Detailed ways

Please refer to FIGS. 1 to 9 , which show the specific structure of a preferred embodiment of the present invention, including a grid table 10 , a vacuum chuck 20 and a positioning cylinder 30 .

Wherein, the grid table 10 has a plurality of vacuum inlet holes 11 and a plurality of positioning slots 12 , and the vacuum inlet holes 11 communicate with the vacuum system of the grid table 10 .

The vacuum chuck 20 is installed on the grid table 10 , and the vacuum chuck 20 is used to clamp the workpiece 40 . As shown in Figures 4 to 6, a first positioning block 201 extends downward from the bottom of the vacuum chuck 20, the first positioning block 201 is embedded in the positioning groove 12, and the first positioning block 201 is recessed with a In the first sealing groove 202 , a first sealing ring 21 is embedded in the first sealing groove 202 , so that the vacuum chuck 20 and the grid table 10 are in a sealed state and are not easy to leak. The aforementioned vacuum intake hole 11 is located inside the first sealing groove 202 . The upper surface of the vacuum chuck 20 is provided with a second sealing groove 203, and a second sealing ring 22 is embedded in the second sealing groove 203, so that the vacuum chuck 20 and the workpiece 40 are in a sealed state and are not easy to leak. The upper surface of the vacuum chuck 10 has a first vent hole 204, the first vent hole 204 is located inside the second sealing groove 203, the first vent hole 204 communicates with the vacuum inlet hole 11, and the first vent hole 204 is set There is a float vacuum switch 23. When the workpiece 40 is pressed against the surface of the vacuum chuck 20, the float vacuum switch 23 will be in an open state, so that the vacuum on the grid table 10 reaches between the vacuum chuck 20 and the workpiece 40, thereby The workpiece 40 is adsorbed on the vacuum chuck 20 to achieve the purpose of clamping and fixing the workpiece 40 .

Specifically, the vacuum chuck 20 includes a suction cup bottom plate 24, a suction cup box body 25, a suction cup fixing seat 26 and a suction cup panel 27; the suction cup bottom plate 24 is fixed on the grid table 10, and the first positioning block 201 is arranged on the suction cup bottom 24, a third air hole 241 is provided on the bottom plate 24 of the suction cup. The suction cup box 25 is fixed on the suction cup bottom plate 24, a fourth sealing ring 28 is arranged between the suction cup box 25 and the suction cup bottom plate 24, a fourth air hole 251 is arranged on the suction cup box 25, and the fourth air hole 251 is provided with filter screen 29. The suction cup housing 25 is provided with a receiving chamber 252 , and the suction cup fixing base 26 is installed in the receiving chamber 252 . The suction cup panel 27 is connected and fixed with the suction cup fixing seat 26, and the aforementioned first air hole 204 is arranged on the suction cup panel 27, and the vacuum inlet hole 11, the third air hole 241, the fourth air hole 251 and the first air hole 204 are sequentially connected. A suction cup film 271 is disposed on the surface of the suction cup panel 27 .

The positioning cylinder 30 is installed on the grid table 10 , and the positioning cylinder 30 abuts against the side surface of the workpiece 40 to serve the purpose of positioning the workpiece 40 . The installation quantity and arrangement of the positioning cylinders 30 are not limited, and can be determined according to the size of the workpiece 40 . In this embodiment, the positioning cylinders 30 are arranged on two adjacent sides of the workpiece 40 . Specifically, as shown in Figures 7 to 9, a second positioning block 301 extends downward from the bottom of the positioning cylinder 30, and the second positioning block 301 is embedded in the positioning groove 12, and the second positioning block 301 A third sealing groove 302 is recessed, and a third sealing ring 31 is embedded in the third sealing groove 302, so that the positioning cylinder 30 and the grid table 10 are in a sealed state and are not easy to leak. The vacuum inlet hole 11 is located inside the third sealing groove 302, the bottom of the positioning cylinder 30 has a second vent hole 303, the positioning cylinder 30 has a cylinder chamber 304, and the second vent hole 303 communicates with the vacuum inlet hole 11 and cylinder cavity 304 .

Specifically, the positioning cylinder 30 includes a cylinder bottom plate 32 , a cylinder body 33 , a piston rod 34 , a piston 35 and a cylinder head 36 . The cylinder bottom plate 32 is fixed on the grid table 10 , and the aforementioned second air hole 303 and the second positioning block 301 are both arranged on the cylinder bottom plate 32 . The cylinder block 33 is arranged on the cylinder bottom plate 32, and a fifth sealing ring 331 is arranged between the cylinder block 33 and the cylinder bottom plate 32. In this embodiment, the fifth sealing ring 331 is an O-ring. 304 is disposed in the cylinder body 33 . The top inner wall of the cylinder body 33 is provided with a copper sleeve 332, and the piston rod 34 passes through the copper sleeve 332 and can move up and down. The piston 35 is disposed at one end of the piston rod 34 and is located in the cylinder cavity 304 . A nut 37 is embedded in the inner wall of the piston 35 , and the nut 37 is fixedly connected with the piston rod 34 . A sixth sealing ring 351 is disposed between the outer wall of the piston 35 and the inner wall of the cylinder 33 . In this embodiment, the sixth sealing ring 351 is a Y-shaped sealing ring. The piston rod 34 has a cavity 341 inside, and a compression spring 38 is disposed in the cavity 341 , and the two ends of the compression spring 38 abut against the top surface of the cavity 341 and the bottom plate 32 of the cylinder respectively. The cylinder head 36 is disposed on the top end of the piston rod 34 , and the cylinder head 36 is movably sleeved on the outside of the cylinder body 33 along the outer wall of the cylinder body 33 . The cylinder head 36 is provided with a cavity 361, and an insert nut 39 is embedded in the cavity 361. The top end of the piston rod 34 has a through hole 342, and a screw 391 passes through the through hole 342 from bottom to top in order to thereby Connect with insert nut 39. A dustproof ring 362 is disposed between the inner wall surface of the lower end of the cylinder head 36 and the outer wall surface of the cylinder block 33 .

The assembly of the utility model and the use process are as follows:

When assembling, first close the vacuum system of the grid table 10, take out the plug (not shown in the figure) of the vacuum inlet hole 11; then, install the vacuum suction cup 20 and the positioning cylinder 30 on the corresponding position of the grid table 10, The first positioning block 201 and the second positioning block 301 are respectively embedded in the corresponding positioning groove 12, and the first air hole 204 communicates with the corresponding vacuum inlet hole 11, and the second air hole 303 is respectively connected to the vacuum air inlet hole. 11 and the cylinder chamber 304 communicate.

When in use, first the workpiece 40 is placed on the vacuum chuck 20, and the side of the workpiece 40 is against the positioning cylinder 30, and the float vacuum switch 23 is opened by the weight of the workpiece 40, and the piston rod 34 is compressed by the spring 38. Then, open the vacuum system of the grid table 10, so that the vacuum of the grid table 10 reaches between the vacuum chuck 20 and the workpiece 40, so that the workpiece 40 is adsorbed on the vacuum chuck 20, and at the same time , the piston rod 34 of the positioning cylinder 30 is retracted, that is, the clamping and positioning operation of the workpiece 40 is completed.

To sum up, the key point of the design of this utility model is that by installing a vacuum suction cup and a positioning cylinder on the grid table, and cooperating with a vacuum system on the grid table, the vacuum suction cup and the positioning cylinder are connected to the grid. The vacuum system on the table uses the vacuum suction cup to absorb the workpiece and the positioning cylinder to reach the side of the workpiece, so as to complete the clamping and positioning operation of the workpiece. The operation is simple, and the utility model can be applied to various workpieces. Reduce production costs and be more widely used.

The above are only preferred embodiments of the present utility model, and do not limit the technical scope of the present utility model, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present utility model , all still belong to the scope of the technical solution of the utility model.

Claims (8)

1. the work location of a grid table top machining center and clamping structure, it is characterized in that: include grid table top, the vacuum cup for clamping work pieces and the positioning cylinder for positioning workpieces, this vacuum cup and positioning cylinder are all installed on grid table top;

This grid table top has multiple vacuum air admission hole and multiple locating slot, and this vacuum air admission hole is communicated with the vacuum system of grid table top;

The bottom of this vacuum cup extends one first locating piece downwards, and this first locating piece is flush-mounted in locating slot, and this first locating piece is arranged with the first seal groove, and one first sealing ring is flush-mounted in the first seal groove, and it is inner that vacuum air admission hole is positioned at the first seal groove; The upper surface of this vacuum cup is provided with the second seal groove, one second sealing ring is flush-mounted in the second seal groove, the upper surface of this vacuum cup has one first passage, it is inner that this first passage is positioned at the second seal groove, this first passage is communicated with vacuum air admission hole, is provided with a floating pearl vacuum switch in this first passage;

The bottom of this positioning cylinder extends one second locating piece downwards, this second locating piece is flush-mounted in locating slot, this second locating piece is arranged with the 3rd seal groove, one the 3rd sealing ring is flush-mounted in the 3rd seal groove, it is inner that this vacuum air admission hole is positioned at the 3rd seal groove, the bottom of this positioning cylinder has one second passage, and this positioning cylinder has a cylinder chamber, and this second passage is communicated with vacuum air admission hole and cylinder chamber.

2. the work location of grid table top machining center according to claim 1 and clamping structure, it is characterized in that: described vacuum cup includes sucker base plate, sucker casing, sucker fixed seat and sucker panel, this sucker base plate is fixed on grid table top, aforementioned first locating piece is arranged on sucker base plate, this sucker base plate is provided with one the 3rd passage, this sucker casing is fixed on sucker base plate, the 4th sealing ring is provided with between this sucker casing and sucker base plate, this sucker casing is provided with the 4th passage, this sucker casing is provided with an accommodating cavity, this sucker fixed seat is installed in accommodating cavity, this sucker panel and sucker fixed seat are connected and fixed, aforementioned first passage is arranged on sucker panel, and this vacuum air admission hole, the 3rd passage, the 4th passage and the first passage are communicated with successively, the surface of this sucker panel is provided with sucker film.

3. the work location of grid table top machining center according to claim 2 and clamping structure, is characterized in that: described 4th passage is provided with screen pack.

4. the work location of grid table top machining center according to claim 1 and clamping structure, it is characterized in that: described positioning cylinder includes cylinder base plate, cylinder body, piston rod, piston and cylinder head, this cylinder base plate is fixed on grid table top, and aforementioned second passage and the second locating piece are all arranged on cylinder base plate, this cylinder body is arranged on cylinder base plate, the 5th sealing ring is provided with between this cylinder body and cylinder base plate, aforementioned cylinder chamber is arranged in cylinder body, this piston is arranged at one end of piston rod and is positioned at cylinder chamber, the 6th sealing ring is provided with between the outside wall surface of this piston and the internal face of cylinder body, there is in this piston rod a cavity volume, one Compress Spring is arranged on the top end face and cylinder base plate that in cavity volume and Compress Spring two ends are butted on cavity volume respectively, this cylinder head is arranged on the top of piston rod, and this cylinder head can be sheathed on outside cylinder body along outer wall of cylinder block face up and downly, the top inner wall face of this cylinder body is provided with a copper sheathing, this piston rod passes also can be up and down in copper sheathing.

5. the work location of grid table top machining center according to claim 4 and clamping structure, is characterized in that: described 5th sealing ring is O RunddichtringO, and the 6th sealing ring is y-type seal ring.

6. the work location of grid table top machining center according to claim 4 and clamping structure, is characterized in that: the internal face of described piston is embedded with a nut piece, and this nut piece and piston rod are connected and fixed.

7. the work location of grid table top machining center according to claim 4 and clamping structure, it is characterized in that: in described cylinder head, be provided with a cavity, one mold insert nut is embedded in this cavity, the top of this piston rod has a through hole, and a screw passes this through hole from lower to upper thus is connected with mold insert nut.

8. the work location of grid table top machining center according to claim 4 and clamping structure, is characterized in that: be provided with dust ring between the lower end inner wall face of described cylinder head and outer wall of cylinder block face.