CN216398308U

CN216398308U - Clamp for multi-shaft tapping machine

Info

Publication number: CN216398308U
Application number: CN202121736269.8U
Authority: CN
Inventors: 廖兰兵
Original assignee: Junshengxin Auto Parts Huizhou Co ltd
Current assignee: Junshengxin Auto Parts Huizhou Co ltd
Priority date: 2021-07-26
Filing date: 2021-07-26
Publication date: 2022-04-29
Anticipated expiration: 2031-07-26

Abstract

The utility model belongs to the technical field of clamps, and particularly relates to a clamp for a multi-shaft tapping machine, which comprises a supporting seat, four coupling mechanisms, a driving mechanism and a lifting mechanism, wherein the supporting seat is fixed on a workbench of the multi-shaft tapping machine through screws; the four coupling mechanisms are identical in structure, are all arranged on the supporting seat and are respectively connected with four screw taps for tapping a workpiece; the driving mechanism is connected with the four coupling mechanisms and respectively drives the four coupling mechanisms to rotate; the lifting mechanism grabs the workpiece and conveys the workpiece to the stations corresponding to the four shaft coupling mechanisms; for traditional tapping machine, need not to wait for once and attack the tooth after, the position of readjustment work piece to carry out the next process of attacking the tooth, machining efficiency promotes by a wide margin, can satisfy the needs of the high-speed production of enterprise.

Description

Clamp for multi-shaft tapping machine

Technical Field

The utility model belongs to the technical field of clamps, and particularly relates to a clamp for a multi-shaft tapping machine.

Background

The tapping machine is a machining device for machining internal threads, screws or tooth buttons on the inner side surfaces of holes of various parts with through holes or blind holes of different specifications, such as a part shell, an equipment end surface, a nut, a flange plate and the like, and is also called as a tapping machine, a thread tapping machine, an automatic tapping machine and the like.

The tapping process generally uses a fixture to fix the tap, and then the workpiece is moved close to the tap to perform the machining.

In a traditional tapping machine, only one tapping station is usually arranged, tapping can be performed on one position of a workpiece at each time, if the workpiece needs to be subjected to tapping on multiple positions, the position of the workpiece needs to be changed for multiple times, the efficiency of the machining mode is too low, time is too long, the use of workers is not facilitated, and therefore the clamp for the multi-shaft tapping machine is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a clamp for a multi-shaft tapping machine, and aims to solve the technical problems that in the prior art, the tapping machine has fewer tapping stations and low processing efficiency, and cannot meet the high-speed production requirements of enterprises.

In order to achieve the above object, the clamp for a multi-axis tapping machine provided in the embodiment of the present invention includes a support base, four coupling mechanisms, a driving mechanism, and a lifting mechanism, wherein the support base is fixed on a workbench of the multi-axis tapping machine by screws; the four coupling mechanisms are identical in structure, are all arranged on the supporting seat and are respectively connected with four screw taps for tapping a workpiece; the driving mechanism is connected with the four coupling mechanisms and respectively drives the four coupling mechanisms to rotate; and the lifting mechanism grabs the workpiece and conveys the workpiece to the stations corresponding to the four coupling mechanisms.

Optionally, the four coupling mechanisms have the same structure and each include a first coupling, a first articulated joint, a second coupling, a connecting shaft, a second articulated joint and a chuck; four first shaft couplings are all located on the supporting seat, and four first shaft couplings all with actuating mechanism's output drive is connected, four the one end of first articulated joint respectively with four first shaft coupling joint, four the other end of first articulated joint respectively with four the one end joint of second shaft coupling, four the other end of second shaft coupling respectively with four the one end tight fit of connecting axle is connected, four the other end of connecting axle respectively with four the one end joint of second articulated joint, four the other end of second articulated joint respectively with four the chuck joint, four all be equipped with the screw tap in the chuck.

Optionally, the fixture for the multi-axis tapping machine further comprises a stabilizing mechanism for stabilizing the four chucks; the stabilizing mechanism comprises a supporting plate and four stabilizing sleeves; the supporting plate is fixedly connected with the supporting seat, the outer rings of the four stabilizing sleeves are fixedly connected with the supporting plate, and the inner rings of the four stabilizing sleeves are respectively connected with the four chucks in a sliding mode.

Optionally, the four stabilizing sleeves are arranged in groups in pairs, and the two groups of stabilizing sleeves are symmetrically arranged along the central line of the supporting plate.

Optionally, two reinforcing plates for reinforcing the rigidity of the supporting plate are arranged between the supporting plate and the supporting seat; two the reinforcing plate is all located the bottom of backup pad.

Optionally, the driving mechanism comprises a motor mounting plate, a mounting seat, a motor, a driving sprocket, a driven sprocket, a chain, a driving gear shaft, four driven gears and four driven gear shafts; the motor mounting plate is arranged in the supporting seat, the body of the motor is fixedly connected with the motor mounting plate, the main shaft of the motor is tightly matched and connected with the driving chain wheel, the mounting seat is arranged in the supporting seat and positioned beside the motor mounting plate, the driving gear shaft is rotatably connected with the mounting seat, the driven chain wheel and the driving gear are tightly matched and connected with the driving gear shaft, the driven chain wheel is connected with the driving chain wheel through the chain in a driving way, four driven gear shafts are rotatably connected with the mounting seat, the inner rings of the four driven gears are respectively tightly matched and connected with four driven gear shafts, the outer teeth of the four driven gear shafts are respectively meshed and connected with the outer teeth of the driving gear, and one end of each driven gear shaft is respectively tightly matched and connected with the four driven gears, the other ends of the four driven gear shafts are respectively connected with the four first couplers in a tight fit manner.

Optionally, the drive mechanism further comprises a tension adjustment structure for adjusting the tension state of the chain; the tensioning adjusting structure comprises a fixing seat, a tensioning wheel and a tensioning wheel shaft, the fixing seat is arranged above the mounting seat, one end of the tensioning wheel shaft is rotatably connected with the fixing seat, and the other end of the tensioning wheel shaft is tightly matched and connected with the tensioning wheel.

Optionally, the lifting mechanism comprises a connecting seat, a cylinder and a material grabbing plate; the connecting seat is arranged at the bottom of the supporting plate, the cylinder body of the air cylinder is fixedly connected with the side wall of the connecting seat, and the piston rod of the air cylinder is fixedly connected with the grabbing plate.

Optionally, the lifting mechanism further comprises a guide mechanism for guiding the material grabbing plate; the guide mechanism comprises two guide sleeves and two guide rods, the outer rings of the two guide sleeves are fixedly connected with the material grabbing plate, the inner rings of the two guide sleeves are movably connected with the two guide rods respectively, the top ends of the two guide rods are fixedly connected with the bottom of the supporting plate, and the lower ends of the two guide rods are fixedly connected with a workbench of the multi-shaft tapping machine.

One or more technical schemes in the clamp for the multi-shaft tapping machine provided by the embodiment of the utility model at least have one of the following technical effects: according to the fixture for the multi-shaft tapping machine, the four coupling mechanisms are arranged on the supporting seat, the four coupling mechanisms are identical in structure and can clamp four identical screw taps, when the driving mechanism drives the four coupling mechanisms to rotate simultaneously, the four coupling mechanisms can drive the four screw taps to rotate simultaneously, when the lifting mechanism conveys a workpiece and the workpiece is close to the four screw taps, the four screw taps can simultaneously tap the workpiece, the workpiece can be tapped for multiple times in one machining process, compared with a traditional tapping machine, the position of the workpiece is adjusted after one tapping is not needed to wait, the next tapping process is carried out, the machining efficiency is greatly improved, and the requirement of high-speed production of enterprises can be met.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic structural view of a fixture for a multi-axis tapping machine according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a coupling mechanism and a securing mechanism of a fixture for a multi-axis tapping machine according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a fixture driving mechanism and a tension adjusting mechanism for a multi-axis tapping machine according to an embodiment of the present invention.

Fig. 4 is a schematic structural view of a lifting mechanism and a guide mechanism of a fixture for a multi-axis tapping machine according to an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

10-support base 20-coupling mechanism 21-first coupling

22-first joint 23-second coupling 24-connecting shaft

25-second joint 26-chuck 30-drive mechanism

31-motor mounting plate 32-mounting seat 33-motor

34-driving sprocket 35-driven sprocket 36-chain

37-driving gear 38-driving gear shaft 39-driven gear

40-lifting mechanism 41-connecting seat 42-cylinder

43-grabbing plate 50-stabilizing mechanism 51-supporting plate

52-stable sleeve 53-reinforcing plate 60-tensioning adjusting structure

61-fixed seat 62-tensioning wheel 63-tensioning wheel shaft

70-guide mechanism 71-guide sleeve 72-guide rod

39a — driven gear shaft.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be illustrative of the embodiments of the present invention, and should not be construed as limiting the utility model.

In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

In one embodiment of the present invention, as shown in fig. 1, there is provided a fixture for a multi-axis tapping machine, comprising a support base 10, four coupling mechanisms 20, a driving mechanism 30 and a lifting mechanism 40, wherein the support base 10 is fixed on a worktable of the multi-axis tapping machine by screws; the four coupling mechanisms 20 have the same structure, the four coupling mechanisms 20 are all arranged on the support seat 10, and the four coupling mechanisms 20 are respectively connected with four taps for tapping a workpiece; the driving mechanism 30 is connected with the four coupling mechanisms 20 and respectively drives the four coupling mechanisms 20 to rotate; the lifting mechanism 40 grabs the workpiece and conveys the workpiece to the stations corresponding to the four coupling mechanisms 20.

Specifically, according to the fixture for the multi-shaft tapping machine, the four coupling mechanisms 20 are arranged on the supporting seat 10, the four coupling mechanisms 20 are identical in structure and can clamp four identical screw taps, when the driving mechanism 30 drives the four coupling mechanisms 20 to rotate simultaneously, the four coupling mechanisms 20 can respectively drive the four screw taps to rotate simultaneously, when the lifting mechanism 40 conveys a workpiece and the workpiece is close to the four screw taps, the four screw taps can simultaneously tap the workpiece, in one machining process, the workpiece can be tapped for multiple times, compared with a traditional tapping machine, the position of the workpiece is not required to be adjusted after one tapping is waited, the next tapping process is carried out, the machining efficiency is greatly improved, and the requirement of high-speed production of enterprises can be met.

In another embodiment of the present invention, as shown in fig. 1 to 2, four coupling mechanisms 20 have the same structure and each include a first coupling 21, a first joint 22, a second coupling 23, a connecting shaft 24, a second joint 25 and a chuck 26; four first shaft coupling 21 all locates on the supporting seat 10, and four first shaft coupling 21 all with actuating mechanism 30's output drive is connected, four first articulated joint 22's one end respectively with four first shaft coupling 21 joint, four first articulated joint 22's the other end respectively with four the one end joint of second articulated joint 23, four the other end of second articulated joint 23 respectively with four the one end tight fit of connecting axle 24 is connected, four the other end of connecting axle 24 respectively with four the one end joint of second articulated joint 25, four the other end of second articulated joint 25 respectively with four chuck 26 joint, four all be equipped with the screw tap in the chuck 26. Specifically, in the vertical direction perpendicular to the horizontal plane, a first coupler 21, a first articulated joint 22, a second coupler 23, a connecting shaft 24, a second articulated joint 25 and a chuck 26 are sequentially arranged from top to bottom, the first coupler 21, the first articulated joint 22, the second coupler 23, the connecting shaft 24, the second articulated joint 25 and the chuck 26 are sequentially connected with one another to form a tool for clamping a screw tap, and shear stress on the connecting shaft 24 and the chuck 26 is reduced through the arranged first articulated joint 22 and the arranged second articulated joint 25, so that the service lives of the connecting shaft 24 and the chuck 26 can be prolonged, and premature breakage of the connecting shaft 24 and the chuck 26 is avoided.

In another embodiment of the present invention, as shown in fig. 1 to 2, the fixture for a multi-axis tapping machine further includes a stabilizing mechanism 50 for stabilizing four chucks 26; the stabilizing mechanism 50 comprises a support plate 51 and four stabilizing sleeves 52; the supporting plate 51 is fixedly connected with the supporting seat 10, the outer rings of the four stabilizing sleeves 52 are fixedly connected with the supporting plate 51, and the inner rings of the four stabilizing sleeves 52 are respectively connected with the four chucks 26 in a sliding manner. Specifically, a supporting plate 51 is fixedly connected in the supporting seat 10, the supporting plate 51 is horizontally arranged, four stabilizing sleeves 52 are fixed on the supporting plate 51, four chucks 26 are respectively sleeved in the four stabilizing sleeves 52, and therefore the friction generated during rotation can be reduced when the four chucks 26 rotate, and the four chucks 26 can rotate stably.

In another embodiment of the present invention, as shown in fig. 1 to 2, four stabilizing sleeves 52 are arranged in groups two by two, and two groups of stabilizing sleeves 52 are symmetrically arranged along the center line of the supporting plate 51. Specifically, four stabilizing sleeves 52 are two-two set at the length direction both ends of backup pad 51 in groups to two sets of stabilizing sleeves 52 are along backup pad 51's central line symmetrical arrangement, and according to the position distribution that the product needs to attack the tooth, can carry out the attack tooth of four positions to the product simultaneously, improve machining efficiency.

In another embodiment of the present invention, as shown in fig. 1 to 2, two reinforcing plates 53 for reinforcing the rigidity of the supporting plate 51 are disposed between the supporting plate 51 and the supporting seat 10; the two reinforcing plates 53 are both provided at the bottom of the support plate 51. Specifically, two reinforcing plates 53 are arranged at the bottom of the supporting plate 51, and the two reinforcing plates 53 are both connected with the supporting seat 10, so that the two reinforcing plates 53 can enhance the connection firmness between the supporting plate 51 and the supporting seat 10, and the supporting plate 51 is prevented from falling off the supporting seat 10.

In another embodiment of the present invention, as shown in fig. 1 and 3, the driving mechanism 30 includes a motor mounting plate 31, a mounting seat 32, a motor 33, a driving sprocket 34, a driven sprocket 35, a chain 36, a driving gear 37, a driving gear shaft 38, four driven gears 39 and four driven gear shafts 39 a; the motor mounting plate 31 is arranged in the supporting seat 10, the body of the motor 33 is fixedly connected with the motor mounting plate 31, the main shaft of the motor 33 is connected with the driving sprocket 34 in a tight fit manner, the mounting seat 32 is arranged in the supporting seat 10 and is positioned at the side of the motor mounting plate 31, the driving gear shaft 38 is rotatably connected with the mounting seat 32, the driven sprocket 35 and the driving gear 37 are respectively connected with the driving gear shaft 38 in a tight fit manner, the driven sprocket 35 is connected with the driving sprocket 34 through the chain 36 in a driving manner, four driven gear shafts 39a are respectively rotatably connected with the mounting seat 32, the inner rings of the four driven gears 39 are respectively connected with four driven gear shafts 39a in a tight fit manner, and the outer teeth of the four driven gear shafts 39a are respectively connected with the outer teeth of the driving gear 37 in a meshing manner, one end of each of the four driven gear shafts 39a is tightly fitted with the four driven gears 39, and the other end of each of the four driven gear shafts 39a is tightly fitted with the four first couplers 21. Specifically, when the motor 33 is started, the motor 33 drives the driving sprocket 34 to rotate, the driving chain 36 is driven to rotate while the driving sprocket 34 rotates, the driven sprocket 35 is arranged at the other end of the chain 36, the driven sprocket 35 is sleeved on the top of the driving gear shaft 38, so that the driving gear shaft 38 is driven to rotate by the driven sprocket 35, four driven gear shafts 39a are arranged on the periphery of the driving gear shaft 38, the four driven gear shafts 39a are respectively sleeved with one driven gear 39, a driving gear 37 is arranged on the driving gear shaft 38, the driving gear 37 is meshed with the four driven gears 39, so that when the driving gear 37 rotates, the four driven gears 39 are driven, then the four driven gears 39 drive the four driven gear shafts 39a to rotate, and power can be output.

In another embodiment of the present invention, as shown in fig. 1 and 3, the driving mechanism 30 further includes a tension adjusting structure 60 for adjusting the tension of the chain 36; the tensioning adjusting structure 60 comprises a fixed seat 61, a tensioning wheel 62 and a tensioning wheel shaft 63, wherein the fixed seat 61 is arranged above the mounting seat 32, one end of the tensioning wheel shaft 63 is rotatably connected with the fixed seat 61, and the other end of the tensioning wheel shaft 63 is tightly matched and connected with the tensioning wheel 62. Specifically, the center distance between the driving sprocket 34 and the driven sprocket 35 is too large, so that the chain 36 is easy to shake, and a tensioning wheel 62 is arranged at the center of the chain 36, so that the tensioning wheel 62 can adjust the tensioning degree of the chain 36, thereby facilitating the smooth operation of the chain 36, reducing the vibration impact and facilitating the smooth output of power.

In another embodiment of the present invention, as shown in fig. 1 and 4, the lifting mechanism 40 includes a connecting seat 41, an air cylinder 42 and a material grabbing plate 43; the connecting seat 41 is arranged at the bottom of the supporting plate 51, the cylinder body of the air cylinder 42 is fixedly connected with the side wall of the connecting seat 41, and the piston rod of the air cylinder 42 is fixedly connected with the material grabbing plate 43. Specifically, the cylinder 42 is fixed through connecting seat 41, and the cylinder 42 is vertical state setting, and the cylinder 42 can drive and grab flitch 43 oscilaltion, grabs the position that flitch 43 just can carry four taps after grabbing the raw materials then, avoids the raw materials to hit four taps at the in-process of carrying.

In another embodiment of the present invention, as shown in fig. 1 to 2, the lifting mechanism 40 further includes a guiding mechanism 70 for guiding the material grabbing plate 43; the guide mechanism 70 comprises two guide sleeves 71 and two guide rods 72, the outer rings of the two guide sleeves 71 are fixedly connected with the material catching plate 43, the inner rings of the two guide sleeves 71 are movably connected with the two guide rods 72 respectively, the top ends of the two guide rods 72 are fixedly connected with the bottom of the supporting plate 51, and the lower ends of the two guide rods 72 are fixedly connected with a workbench of the multi-axis tapping machine. Specifically, two guide sleeves 71 are fixedly connected to the material grabbing plate 43, the two guide sleeves 71 are respectively sleeved on the two guide rods 72, and therefore the material grabbing plate 43 can keep moving linearly due to the fact that the material grabbing plate is always limited by the two guide sleeves 71 in the up-and-down moving process, and deviation is not prone to occurring.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a multiaxis is attacked anchor clamps for tooth machine which characterized in that: the method comprises the following steps:

the supporting seat is fixed on a workbench of the multi-shaft tapping machine through screws;

the four coupling mechanisms are of the same structure and are arranged on the supporting seat, and the four coupling mechanisms are respectively connected with four screw taps for tapping a workpiece;

the driving mechanism is connected with the four coupling mechanisms and respectively drives the four coupling mechanisms to rotate;

and the lifting mechanism is used for grabbing the workpiece and conveying the workpiece to the stations corresponding to the four coupling mechanisms.

2. The jig for a multi-axis tapping machine as claimed in claim 1, wherein: the four coupling mechanisms have the same structure and respectively comprise a first coupling, a first hinged joint, a second coupling, a connecting shaft, a second hinged joint and a chuck; four first shaft couplings are all located on the supporting seat, and four first shaft couplings all with actuating mechanism's output drive is connected, four the one end of first articulated joint respectively with four first shaft coupling joint, four the other end of first articulated joint respectively with four the one end joint of second shaft coupling, four the other end of second shaft coupling respectively with four the one end tight fit of connecting axle is connected, four the other end of connecting axle respectively with four the one end joint of second articulated joint, four the other end of second articulated joint respectively with four the chuck joint, four all be equipped with the screw tap in the chuck.

3. The jig for a multi-axis tapping machine as claimed in claim 2, wherein: the fixture for the multi-shaft tapping machine further comprises a stabilizing mechanism for stabilizing the four chucks; the stabilizing mechanism comprises a supporting plate and four stabilizing sleeves; the supporting plate is fixedly connected with the supporting seat, the outer rings of the four stabilizing sleeves are fixedly connected with the supporting plate, and the inner rings of the four stabilizing sleeves are respectively connected with the four chucks in a sliding mode.

4. The jig for a multi-axis tapping machine as claimed in claim 3, wherein: four two liang of stable cover sets up in groups, and two sets of stable cover is followed the central line symmetrical arrangement of backup pad.

5. The jig for a multi-axis tapping machine as claimed in claim 3, wherein: two reinforcing plates for reinforcing the rigidity of the supporting plate are arranged between the supporting plate and the supporting seat; two the reinforcing plate is all located the bottom of backup pad.

6. The jig for a multi-axis tapping machine as claimed in claim 2, wherein: the driving mechanism comprises a motor mounting plate, a mounting seat, a motor, a driving chain wheel, a driven chain wheel, a chain, a driving gear shaft, four driven gears and four driven gear shafts; the motor mounting plate is arranged in the supporting seat, the body of the motor is fixedly connected with the motor mounting plate, the main shaft of the motor is tightly matched and connected with the driving chain wheel, the mounting seat is arranged in the supporting seat and positioned beside the motor mounting plate, the driving gear shaft is rotatably connected with the mounting seat, the driven chain wheel and the driving gear are tightly matched and connected with the driving gear shaft, the driven chain wheel is connected with the driving chain wheel through the chain in a driving way, four driven gear shafts are rotatably connected with the mounting seat, the inner rings of the four driven gears are respectively tightly matched and connected with four driven gear shafts, the outer teeth of the four driven gear shafts are respectively meshed and connected with the outer teeth of the driving gear, and one end of each driven gear shaft is respectively tightly matched and connected with the four driven gears, the other ends of the four driven gear shafts are respectively connected with the four first couplers in a tight fit manner.

7. The jig for a multi-axis tapping machine as claimed in claim 6, wherein: the driving mechanism further comprises a tension adjusting structure for adjusting the tension state of the chain; the tensioning adjusting structure comprises a fixing seat, a tensioning wheel and a tensioning wheel shaft, the fixing seat is arranged above the mounting seat, one end of the tensioning wheel shaft is rotatably connected with the fixing seat, and the other end of the tensioning wheel shaft is tightly matched and connected with the tensioning wheel.

8. The jig for a multi-axis tapping machine as claimed in claim 3, wherein: the lifting mechanism comprises a connecting seat, an air cylinder and a material grabbing plate; the connecting seat is arranged at the bottom of the supporting plate, the cylinder body of the air cylinder is fixedly connected with the side wall of the connecting seat, and the piston rod of the air cylinder is fixedly connected with the grabbing plate.

9. The jig for a multi-axis tapping machine as claimed in claim 8, wherein: the lifting mechanism further comprises a guide mechanism for guiding the material grabbing plate; the guide mechanism comprises two guide sleeves and two guide rods, the outer rings of the two guide sleeves are fixedly connected with the material grabbing plate, the inner rings of the two guide sleeves are movably connected with the two guide rods respectively, the top ends of the two guide rods are fixedly connected with the bottom of the supporting plate, and the lower ends of the two guide rods are fixedly connected with a workbench of the multi-shaft tapping machine.