CN115121833A

CN115121833A - Multistation clamping device based on digit control machine tool

Info

Publication number: CN115121833A
Application number: CN202210817204.9A
Authority: CN
Inventors: 陈艺勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-12
Filing date: 2022-07-12
Publication date: 2022-09-30

Abstract

The invention provides a multi-station clamping device based on a numerical control machine tool, which relates to the technical field of numerical control machine tools and comprises the following components: a bottom plate, a partition plate and a feeding piece; the lower end of the bottom plate is arranged on the ground, two groups of sliding rails are arranged at the upper end of the bottom plate through bolts, and sliding blocks slide on the sliding rails; the partition plate is mounted at the upper end of the sliding block through a bolt, and a convex block is fixed on the partition plate; the feeding pieces are provided with two groups, and the two groups of feeding pieces are respectively installed at the left end and the right end of the lug through bolts; the distance between the two groups of clamping pieces can be adjusted by controlling the rotation of the first motor, so that the device can be suitable for clamping workpieces with different lengths, the positions of the clamping blocks can be adjusted, the clamping of the workpieces with different diameters can be realized, the vertical clamping of the workpieces can be realized through the clamping blocks at the left end and the right end, and the transverse clamping of the workpieces can be realized through the clamping blocks at the upper end and the lower end; the cooling oil is dripped to the drilling hole through the oil dripping rod, so that the workpiece and the drill rod can be cooled, and an operator is prevented from being scalded by high temperature generated during workpiece processing.

Description

Multistation clamping device based on digit control machine tool

Technical Field

The invention relates to the technical field of numerical control machine tools, in particular to a multi-station clamping device based on a numerical control machine tool.

Background

The numerically controlled machine tool is one kind of automatic machine tool with program control system. The control system is capable of logically processing and decoding a program defined by a control code or other symbolic instructions, represented by coded numbers, which are input to the numerical control device via the information carrier. The numerical control machine sends various control signals through operation processing, controls the action of the machine tool, automatically processes parts according to the shape and the size required by a drawing, and needs to clamp the workpiece when the numerical control machine processes the workpiece, so that a multi-station clamping device based on the numerical control machine is needed.

However, the clamping device of the existing numerical control machine tool can only clamp a workpiece horizontally or vertically, the form is single, and when the workpiece is machined, the workpiece is easy to generate high temperature due to friction, and operators are easy to scald.

Disclosure of Invention

In view of this, the invention provides a multi-station clamping device based on a numerical control machine tool, which is provided with adjusting pieces, when in use, the distance between two groups of clamping pieces can be adjusted by controlling the rotation of a first motor, so that the device can be suitable for clamping workpieces with different lengths, the head ends of clamping arms are provided with chutes, bolts are arranged in the chutes, two groups of clamping blocks are arranged in the chutes, the positions of the clamping blocks can be adjusted, the clamping of the workpieces with different diameters is realized, the clamping blocks are provided with chute structures, the vertical clamping of the workpieces can be realized through the clamping blocks at the left end and the right end, the transverse clamping of the workpieces can be realized through the clamping blocks at the upper end and the lower end, and the use is convenient.

The invention provides a multi-station clamping device based on a numerical control machine tool, which specifically comprises the following components: a bottom plate, a partition plate and a feeding piece; the lower end of the bottom plate is arranged on the ground, two groups of sliding rails are arranged on the upper end of the bottom plate through bolts, and sliding blocks slide on the sliding rails; the partition plate is mounted at the upper end of the sliding block through a bolt, and a convex block is fixed on the partition plate; the piece that feeds is equipped with two sets ofly, and two sets of feeding is bolted mounting both ends about the lug respectively, and the piece that feeds includes: support column, fixed plate, mount, layer board and regulating part, the support column is equipped with two sets ofly, and two sets of support columns are bolted mounting both ends about the lug respectively, and the fixed plate bolt mounting is on the support column, and the mount slides on the fixed plate, and the layer board coupling is fixed with the backing plate in the upper end of fixed plate on the layer board, and the regulating part is installed at the front end of layer board top surface, and the regulating part includes: the end plate, slide and clamping piece, the end plate is equipped with two sets ofly, fix on the layer board, the bolt mounting has the locking seat on the end plate, install the guide arm on the locking seat, the slide slides on the guide arm, and the lower extreme of slide is equipped with the screw hole, the coupling has the screw rod between two sets of end plates, the screw hole and the screw rod screw-thread fit of slide lower extreme, install a motor on the end plate that is close to the layer board front end, the pivot of a motor is connected with the front end of screw rod, the clamping piece is equipped with two sets ofly, install respectively on backing plate and slide two sets of clamping pieces.

Optionally, two sets of coupling seats are installed on the bottom plate through bolts, bearings are installed on the coupling seats, threaded rods are installed on the bearings, a motor frame is installed on the bottom plate through bolts, a second motor is installed on the motor frame through bolts, a rotating shaft of the second motor is connected with the rear end of the threaded rods, threaded holes are formed in the lower end of the partition plate, and the threaded holes are in threaded fit with the threaded rods.

Optionally, the trapezoidal rail is installed to the upper and lower both ends bolt of fixed plate to fixed mounting has the pinion rack on the fixed plate, and both ends are fixed with the baffle around the pinion rack, and the upper end and the lower extreme of mount have two sets of coupling plates of hub connection respectively, and the installation piece is installed to the lower extreme bolt of coupling plate, installs two sets of gyro wheels on the installation piece, and the gyro wheel rolls on the trapezoidal rail.

Optionally, the fixed frame is welded with a fixed plate, a third motor is installed on a lower end bolt of the fixed plate, a gear is installed on a rotating shaft of the third motor and meshed with the toothed plate, the fixed frame is connected with a hydraulic rod in a shaft coupling mode, and the upper end of the hydraulic rod is connected to the supporting plate in a shaft coupling mode.

Optionally, the clamping member comprises: the main tributary seat, pneumatic telescopic rod, the coupling post, the bumping post, arm lock and spring, be equipped with the through-hole on the main tributary seat, pneumatic telescopic rod bolt installs the through-hole department on the main tributary seat, the coupling post bolt is installed on the main tributary seat, the arm lock is equipped with two sets ofly, two sets of arm locks all the coupling is on the coupling post, the bumping post is equipped with two sets ofly, two sets of bumping posts are fixed on the main tributary seat, install the connecting rod on two sets of bumping posts, the left and right sides that the main tributary seat was passed at the both ends of connecting rod is installed on the main tributary seat through the nut, the spring is equipped with two sets ofly, two sets of spring mounting are on the connecting rod, and the spring is located between arm lock and the bumping post.

Optionally, the cone is installed to pneumatic telescopic rod's flexible end, and the tail end of arm lock is equipped with the spout, and the connecting rod is inserted in the spout to the tail end coupling of arm lock has the roller, and the roller contacts with the cone, and the head end of arm lock is equipped with the spout, and two sets of clamp blocks are installed to the bolt in the spout, are equipped with the chute structure on the clamp block.

Optionally, still install the fixed column on the bottom plate, the fixed column is equipped with two sets ofly to the floor is installed to the front end and the rear end bolt of fixed column, and the lower extreme bolt of floor installs on the bottom plate, installs two sets of horizontal poles on the fixed column, and it has the sliding seat to slide on the horizontal pole, and has the screw rod to have an axial joint on the fixed column, and the right-angle plate is installed to the rear end of sliding seat, installs the screw thread section of thick bamboo on the right-angle plate, and the mounting panel is installed to the bolt on the fixed column that is close to the bottom plate right-hand member, and No. four motors are installed to the bolt on the mounting panel, and the pivot of No. four motors is connected with the right-hand member of screw rod.

Optionally, install two sets of slide bars on the sliding seat, it has the panel to slide on the slide bar, and the last screw rod that still has the coupling of sliding seat, the rear end of panel is equipped with the screw hole, and screw hole and screw rod screw-thread fit to still install No. five motors on the sliding seat, the pivot of No. five motors is connected with the upper end of screw rod.

Optionally, two sets of locking rings are installed on the panel through bolts, a drilling machine is installed on the locking rings, a base is installed on the panel through bolts, a rotating block is coupled to the base, a locking cylinder is coupled to the rotating block, and an oil dripping rod is installed on the locking cylinder.

Advantageous effects

According to the multi-station clamping device of the numerical control machine tool, compared with the traditional clamping device, the multi-station clamping device is provided with the adjusting pieces, the distance between the two groups of clamping pieces can be adjusted by controlling the rotation of the first motor, so that the multi-station clamping device can be suitable for clamping workpieces with different lengths, the head ends of the clamping arms are provided with the sliding grooves, the bolts in the sliding grooves are provided with the two groups of clamping blocks, the positions of the clamping blocks can be adjusted, the clamping of the workpieces with different diameters is realized, the clamping blocks are provided with the chute structures, the vertical clamping of the workpieces can be realized through the clamping blocks at the left end and the right end, the transverse clamping of the workpieces can be realized through the clamping blocks at the upper end and the lower end, and the use is convenient.

In addition, the invention is also provided with an oil dripping rod, the angle of the oil dripping rod can be adjusted by rotating the locking cylinder and the rotating block, so that the lower end of the oil dripping rod is arranged at the drill rod of the drilling machine, the oil dripping rod is connected with an external oil supply pipe when a workpiece is machined, cooling oil is dripped to the drill hole through the oil dripping rod, the workpiece and the drill rod can be cooled, and the high temperature generated during the machining of the workpiece is avoided from scalding operators.

Drawings

To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.

The drawings in the following description relate to some embodiments of the invention only and are not intended to limit the invention.

In the drawings:

fig. 1 is a schematic view showing the overall structure of a multi-station clamping device of a numerically controlled machine tool according to an embodiment of the present invention;

fig. 2 is a schematic structural view illustrating a rear end of a multi-station clamping device of a numerical control machine tool according to an embodiment of the present invention;

fig. 3 is an enlarged view of a multi-station clamping apparatus of a numerical control machine tool according to an embodiment of the present invention at a in fig. 2;

fig. 4 is a schematic structural view illustrating a feeding member of a multi-station clamping device of a numerical control machine tool according to an embodiment of the present invention;

fig. 5 is an enlarged structural view at B of fig. 4 showing a multi-station clamping device of a numerical control machine tool according to an embodiment of the present invention;

fig. 6 is a schematic structural view illustrating an adjusting member of the multi-station clamping device of the numerical control machine according to the embodiment of the present invention;

fig. 7 is an enlarged structural view at C of fig. 6 showing a multi-station clamping apparatus of a numerical control machine according to an embodiment of the present invention;

fig. 8 is an enlarged structural view of a multi-station clamping device of a numerical control machine tool according to an embodiment of the present invention at D in fig. 1.

List of reference numerals

1. A base plate; 101. a slide rail; 102. a slider; 103. a shaft coupling seat; 1031. a threaded rod; 104. a motor frame; 1041. a second motor; 2. a partition plate; 201. a bump; 3. a feeding member; 301. a support pillar; 302. a fixing plate; 3021. a trapezoidal rail; 3022. a toothed plate; 3023. a baffle plate; 303. a fixed mount; 3031. a shaft connecting plate; 3032. mounting blocks; 3033. a roller; 3034. a fixing sheet; 30341. a third motor; 30342. a gear; 3035. a hydraulic lever; 304. a pallet; 3041. a base plate; 305. an adjustment member; 3051. an end plate; 30511. a locking seat; 30512. a guide bar; 30513. a first motor; 3052. a slide plate; 3053. a clamping member; 30531. a main base; 30532. a pneumatic telescopic rod; 305321, conical head; 30533. a shaft connecting column; 30534. a bumping post; 30535. clamping arms; 305351, rollers; 305352, a clamping block; 30536. a spring; 4. fixing a column; 401. a rib plate; 402. a cross bar; 403. a fourth motor; 4031. mounting a plate; 404. a sliding seat; 4041. a threaded barrel; 4042. a right-angle plate; 405. a fifth motor; 406. a panel; 4061. locking a ring; 4062. a drilling machine; 4063. a base; 40631. rotating the block; 40632. a locking cylinder; 40633. and an oil dripping rod.

Detailed Description

In order to make the objects, aspects and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention will be described in detail with reference to the accompanying drawings. Unless otherwise indicated, terms used herein have the ordinary meaning in the art. Like reference numerals in the drawings denote like elements.

Example (b): please refer to fig. 1 to 8:

the invention provides a multi-station clamping device based on a numerical control machine tool, which comprises: the device comprises a bottom plate 1, a partition plate 2 and a feeding piece 3; the lower end of the bottom plate 1 is arranged on the ground, two groups of sliding rails 101 are arranged on the upper end of the bottom plate 1 through bolts, and sliding blocks 102 slide on the sliding rails 101; the partition plate 2 is mounted at the upper end of the sliding block 102 through bolts, and a lug 201 is fixed on the partition plate 2; feed 3 and be equipped with two sets ofly, two sets of feed 3 respectively the bolt mounting both ends about lug 201, feed 3 and include: support column 301, fixed plate 302, mount 303, layer board 304 and regulating part 305, support column 301 is equipped with two sets ofly, two sets of support columns 301 are bolted mounting respectively at both ends about lug 201, fixed plate 302 bolted mounting is on support column 301, mount 303 slides on fixed plate 302, layer board 304 hub joint is in the upper end of fixed plate 302, be fixed with backing plate 3041 on the layer board 304, the front end at layer board 304 top surface is installed to regulating part 305, regulating part 305 includes: end plate 3051, slide 3052 and clamping piece 3053, end plate 3051 is equipped with two sets ofly, fix on layer board 304, bolt mounting has locking seat 30511 on the end plate 3051, install guide arm 30512 on the locking seat 30511, slide 3052 slides on guide arm 30512, and slide 3052's lower extreme is equipped with the screw hole, the coupling has the screw rod between two sets of end plates 3051, screw hole and the screw rod screw-thread fit of slide 3052 lower extreme, be close to and install a motor 30513 on the end plate 3051 of layer board 304 front end, the pivot of a motor 30513 is connected with the front end of screw rod, clamping piece 3053 is equipped with two sets ofly, install respectively on backing plate 3041 and slide 3052 two sets of clamping piece 3053.

As shown in fig. 3, two sets of coupling seats 103 are installed to the bolt on bottom plate 1, install the bearing on the coupling seat 103, install threaded rod 1031 on the bearing to the bolt is installed motor frame 104 on bottom plate 1, and No. two motors 1041 are installed to the bolt on motor frame 104, and No. two motors 1041's pivot is connected with threaded rod 1031's rear end, and the lower extreme of baffle 2 is equipped with the screw hole, and screw hole and threaded rod 1031 screw-thread fit, and its effect is: the back and forth movement of the partition plate 2 can be realized by controlling the rotation of the second motor 1041.

As shown in fig. 4 and 5, trapezoidal rails 3021 are bolted to the upper and lower ends of the fixed plate 302, a toothed plate 3022 is fixedly mounted on the fixed plate 302, baffles 3023 are fixed to the front and rear ends of the toothed plate 3022, two sets of pivot plates 3031 are respectively journaled to the upper end and the lower end of the fixed bracket 303, a mounting block 3032 is bolted to the lower end of the pivot plate 3031, two sets of rollers 3033 are mounted on the mounting block 3032, the rollers 3033 roll on the trapezoidal rails 3021, a fixing plate 3034 is welded to the fixed bracket 303, a third motor 30341 is bolted to the lower end of the fixing plate 3034, a gear 30342 is mounted on a rotating shaft of the third motor 30341, the gear 30342 is engaged with the toothed plate 3022, and a hydraulic rod 3035 is journaled to the fixed bracket 303, the upper end of the hydraulic rod 3035 is journaled on the supporting plate 304, and functions as follows: the gear 30342 can be rotated by controlling the rotation of the third motor 30341, so that the toothed plate 3022 can move back and forth, the partition board 2 can move back and forth, and the stability of the partition board 2 in the back and forth movement can be improved due to the arrangement of the roller 3033 and the trapezoidal rail 3021.

As shown in fig. 6 and 7, the chucking member 3053 includes: the main base 30531, the pneumatic telescopic rod 30532, the coupling column 30533, the blocking column 30534, the clamping arm 30535 and the spring 30536, a through hole is formed in the main base 30531, the pneumatic telescopic rod 30532 is arranged at the through hole on the main base 30531 through a bolt, the coupling column 30533 is arranged on the main base 30531 through a bolt, two groups of the clamping arms 30535 are arranged, two groups of the clamping arms 30535 are coupled on the coupling column 30533 through a bolt, two groups of the blocking columns 30534 are arranged, two groups of the blocking columns 30534 are fixed on the main base 30531, connecting rods are arranged on the two groups of the blocking columns 30534, two ends of each connecting rod penetrate through the left side and the right side of the main base 30531 and are arranged on the main base 30531 through nuts, two groups of the spring 30536 are arranged on each connecting rod, the two groups of the springs 30536 are arranged between the corresponding clamping arm 30535 and the corresponding to the corresponding blocking column 30534, the tapered head end of the pneumatic telescopic rod 30532 is arranged on each clamping arm 305321, a chute is arranged at the tail end of each clamping arm 30535, a first end of each connecting rod is inserted into the chute, the roller 30536 is connected with the tail end of the roller 305351, and the roller 30535 is arranged on the tail end of the roller, two sets of clamp splice 305352 are installed to the bolt in the spout, are equipped with the chute structure on the clamp splice 305352, and its effect is: the extension of control pneumatic telescopic link 30532 can make two sets of arm lock 30535 press from both sides tightly, can realize the vertical clamp to the work piece through the clamp splice 305352 at left and right ends, can realize the horizontal clamp to the work piece through the clamp splice 305352 at upper and lower both ends.

As shown in fig. 1 and fig. 2, the bottom plate 1 is further provided with two sets of fixed columns 4, the front end and the rear end of each fixed column 4 are provided with a rib plate 401, the lower end bolt of each rib plate 401 is arranged on the bottom plate 1, two sets of cross rods 402 are arranged on each fixed column 4, a sliding seat 404 is arranged on each cross rod 402 in a sliding manner, a screw rod is connected onto each fixed column 4, the rear end of each sliding seat 404 is provided with a right-angle plate 4042, a threaded cylinder 4041 is arranged on each right-angle plate 4042, a mounting plate 4031 is arranged on each fixed column 4 close to the right end of the bottom plate 1 in a sliding manner, a fourth motor 403 is arranged on each mounting plate 4031 in a bolt manner, a rotating shaft of the fourth motor 403 is connected with the right end of the screw rod, two sets of sliding rods are arranged on each sliding seat 404, a face plate 406 is arranged on each sliding rod in a sliding manner, a screw rod is also connected onto each sliding seat 404 in a shaft manner, a threaded hole is arranged at the rear end of the face plate 406, the threaded manner is in threaded engagement with the screw rod, and a fifth motor 405 is arranged on each sliding seat 404, the pivot of No. five motor 405 is connected with the upper end of screw rod, and its effect is: the sliding seat 404 can slide left and right by controlling the rotation of the fourth motor 403, and the panel 406 can move up and down by controlling the rotation of the fifth motor 405, so that the drilling machine 4062 can drill holes on multiple positions on a workpiece.

As shown in fig. 8, two sets of locking rings 4061 are bolted on the panel 406, a drilling machine 4062 is installed on the locking ring 4061, a base 4063 is further bolted on the panel 406, a rotating block 40631 is coupled to the base 4063, a locking cylinder 40632 is coupled to the rotating block 40631, and an oil dripping rod 40633 is installed on the locking cylinder 40632, and functions are as follows: when the workpiece is machined, the oil dripping rod 40633 is connected with an external oil supply pipe, the cooling oil is dripped to a drilling position through the oil dripping rod 40633, the workpiece and a drill rod can be cooled, and an operator is prevented from being scalded by high temperature generated during workpiece machining.

The specific use mode and function of the embodiment are as follows: in the invention, a workpiece is arranged on a clamping block 305352, two groups of clamping arms 30535 can be clamped by controlling the extension of a pneumatic telescopic rod 30532, the workpiece can be vertically clamped by clamping blocks 305352 at the left end and the right end, the workpiece can be transversely clamped by clamping blocks 305352 at the upper end and the lower end, a gear 30342 can be rotated by controlling the rotation of a third motor 30341, so that a toothed plate 3022 can move back and forth, a partition plate 2 can move back and forth, the arrangement of a roller 3033 and a trapezoidal rail 3021 can improve the stability of the partition plate 2 when the partition plate 2 moves back and forth, the rotation of a second motor 1041 can realize the back and forth movement of the partition plate 2, a hydraulic rod 3035 is controlled to extend, so that a supporting plate 304 can be inclined, so that the workpiece can be inclined, the rotation of a fourth motor 403 can be controlled to slide left and right, the rotation of a fifth motor 405 can be controlled to move a panel 406 up and down, so that a drilling machine 4062 can drill holes at multiple positions on the workpiece, when the workpiece is machined, the oil dripping rod 40633 is connected with an external oil supply pipe, the cooling oil is dripped to a drilling position through the oil dripping rod 40633, the workpiece and a drill rod can be cooled, and an operator is prevented from being scalded by high temperature generated during workpiece machining.

Finally, it should be noted that, when describing the positions of the components and the matching relationship therebetween, the present invention is usually illustrated by one/a pair of components, however, it should be understood by those skilled in the art that such positions, matching relationship, etc. are also applicable to other/other pairs of components.

The above description is intended to be illustrative of the present invention and not to limit the scope of the invention, which is defined by the claims appended hereto.

Claims

1. The utility model provides a multistation clamping device based on digit control machine tool which characterized in that includes: the device comprises a bottom plate (1), a partition plate (2) and a feeding piece (3); the lower end of the bottom plate (1) is arranged on the ground, two groups of sliding rails (101) are arranged at the upper end of the bottom plate (1) through bolts, and sliding blocks (102) slide on the sliding rails (101); the partition plate (2) is mounted at the upper end of the sliding block (102) through bolts, and a convex block (201) is fixed on the partition plate (2); feed piece (3) and be equipped with two sets ofly, two sets of feed piece (3) bolt installation respectively are at both ends about lug (201), feed piece (3) and include: support column (301), fixed plate (302), mount (303), layer board (304) and regulating part (305), support column (301) are equipped with two sets ofly, two sets of support column (301) are bolted mounting respectively at both ends about lug (201), fixed plate (302) bolt mounting is on support column (301), mount (303) slide on fixed plate (302), layer board (304) coupling is in the upper end of fixed plate (302), be fixed with backing plate (3041) on layer board (304), the front end at layer board (304) top surface is installed in regulating part (305), regulating part (305) includes: end plate (3051), slide (3052) and clamping piece (3053), end plate (3051) are equipped with two sets ofly, fix on layer board (304), bolt mounting has locking seat (30511) on end plate (3051), install guide arm (30512) on locking seat (30511), slide (3052) slide on guide arm (30512), and the lower extreme of slide (3052) is equipped with the screw hole, the coupling has the screw rod between two sets of end plate (3051), screw hole and the screw rod screw-thread fit of slide (3052) lower extreme, be close to and install a motor (30513) on end plate (3051) of layer board (304) front end, the pivot of a motor (30513) is connected with the front end of screw rod, clamping piece (3053) are equipped with two sets ofly, install respectively on backing plate (3041) and slide (3052) two sets of clamping piece (3053).

2. The multi-station clamping device based on the numerical control machine tool is characterized in that two sets of shaft connecting seats (103) are mounted on the bottom plate (1) through bolts, bearings are mounted on the shaft connecting seats (103), threaded rods (1031) are mounted on the bearings, a motor frame (104) is mounted on the bottom plate (1) through bolts, a second motor (1041) is mounted on the motor frame (104) through bolts, a rotating shaft of the second motor (1041) is connected with the rear end of the threaded rods (1031), threaded holes are formed in the lower end of the partition plate (2), and the threaded holes are in threaded fit with the threaded rods (1031).

3. The multi-station clamping device based on the numerical control machine tool as claimed in claim 1, wherein the upper and lower ends of the fixed plate (302) are bolted with a trapezoidal rail (3021), and the fixed plate (302) is fixedly provided with a toothed plate (3022), the front and rear ends of the toothed plate (3022) are fixed with baffle plates (3023), the upper end and the lower end of the fixed frame (303) are respectively journalled with two sets of shaft coupling plates (3031), the lower end of the shaft coupling plate (3031) is bolted with a mounting block (3032), the mounting block (3032) is provided with two sets of rollers (3033), and the rollers (3033) roll on the trapezoidal rail (3021).

4. The multi-station clamping device based on the numerical control machine tool as claimed in claim 3, wherein the fixed frame (303) is welded with a fixed plate (3034), a third motor (30341) is mounted on a lower end bolt of the fixed plate (3034), a gear (30342) is mounted on a rotating shaft of the third motor (30341), the gear (30342) is meshed with the toothed plate (3022), a hydraulic rod (3035) is coupled on the fixed frame (303), and the upper end of the hydraulic rod (3035) is coupled on the supporting plate (304).

5. A multi-station clamping device based on a numerically controlled machine tool according to claim 1, wherein said clamping member (3053) comprises: main seat (30531), pneumatic telescopic link (30532), coupling post (30533), bumping post (30534), arm lock (30535) and spring (30536), be equipped with the through-hole on main seat (30531), pneumatic telescopic link (30532) bolt is installed at the through-hole on main seat (30531), coupling post (30533) bolt is installed on main seat (30531), arm lock (30535) is equipped with two sets, two sets of arm lock (30535) all the coupling on coupling post (30533), bumping post (30534) are equipped with two sets, two sets of bumping post (30534) are fixed on main seat (30531), install the connecting rod on two sets of bumping post (30534), the both ends of connecting rod pass the left and right sides of main seat (30531) and install on main seat (31) through the nut, spring (30536) are equipped with two sets of, two sets of spring (30536) are installed on the connecting rod, and spring (30536) are located between arm lock (30535) and bumping post (30534).

6. The multi-station clamping device based on the numerical control machine tool as claimed in claim 5, characterized in that a tapered head (305321) is mounted at the telescopic end of the pneumatic telescopic rod (30532), a chute is arranged at the tail end of the clamping arm (30535), a connecting rod is inserted in the chute, a roller (305351) is coupled to the tail end of the clamping arm (30535), the roller (305351) is in contact with the tapered head (305321), the chute is arranged at the head end of the clamping arm (30535), two sets of clamping blocks (305352) are mounted on bolts in the chute, and a chute structure is arranged on each clamping block (305352).

7. The multi-station clamping device based on the numerical control machine tool according to claim 2, the bottom plate (1) is also provided with two groups of fixing columns (4), ribbed plates (401) are arranged at the front end and the rear end of the fixed column (4) through bolts, the lower end bolts of the ribbed plates (401) are arranged on the bottom plate (1), two groups of cross rods (402) are arranged on the fixed column (4), sliding seats (404) are arranged on the cross rods (402) in a sliding manner, and the fixed column (4) is provided with a screw rod in a coupling mode, the rear end of the sliding seat (404) is provided with a right-angle plate (4042), the right-angle plate (4042) is provided with a threaded cylinder (4041), the fixed column (4) close to the right end of the bottom plate (1) is provided with a mounting plate (4031) in a bolt mode, the mounting plate (4031) is provided with a fourth motor (403) in a bolt mode, and a rotating shaft of the fourth motor (403) is connected with the right end of the screw rod.

8. The multi-station clamping device based on the numerical control machine tool as claimed in claim 7, wherein two sets of sliding rods are installed on the sliding seat (404), a face plate (406) is installed on the sliding rods in a sliding mode, a screw rod is further coupled to the sliding seat (404), a threaded hole is formed in the rear end of the face plate (406), the threaded hole is in threaded fit with the screw rod, a fifth motor (405) is further installed on the sliding seat (404), and a rotating shaft of the fifth motor (405) is connected with the upper end of the screw rod.

9. The multi-station clamping device based on the numerical control machine tool according to claim 8, wherein two groups of locking rings (4061) are bolted on the panel (406), a drilling machine (4062) is mounted on the locking rings (4061), a base (4063) is further bolted on the panel (406), a rotating block (40631) is coupled on the base (4063), a locking cylinder (40632) is coupled on the rotating block (40631), and a dripping oil rod (40633) is mounted on the locking cylinder (40632).