CN210359650U

CN210359650U - Vertical tapping machine

Info

Publication number: CN210359650U
Application number: CN201920769775.3U
Authority: CN
Inventors: 齐秀永
Original assignee: Dongguan Add Intelligent Equipment Technology Co Ltd
Current assignee: Dongguan Add Intelligent Equipment Technology Co Ltd
Priority date: 2019-05-24
Filing date: 2019-05-24
Publication date: 2020-04-21
Anticipated expiration: 2029-05-24

Abstract

The utility model belongs to the technical field of machining equipment, in particular to a vertical tapping machine, which comprises a workbench, a product feeding mechanism, a product displacement mechanism, a product clamping mechanism and an automatic tapping device, wherein the product feeding mechanism is arranged on the workbench and is used for conveying a product to be tapped; the product displacement mechanism is arranged on the workbench and is used for bearing the product conveyed by the product feeding mechanism and transferring the borne product to a tapping position; the product clamping mechanism is arranged on the side of the tapping position on the workbench and is used for being matched with the product displacement mechanism to clamp the product at the tapping position; the automatic tapping device is arranged on the workbench and is used for tapping the product. The utility model discloses a vertical tooth machine of attacking need not artifical whole journey operation, has improved and has attacked tooth efficiency and guaranteed the quality of attacking the tooth.

Description

Vertical tapping machine

Technical Field

The utility model belongs to the technical field of machining equipment, especially, relate to a vertical tooth machine of attacking.

Background

Tapping machine is the processing equipment that can process out screw thread, screw or tooth on the inside wall of predetermined through-hole or blind hole, tapping machine uses comparatively extensively in the machining field, but its degree of automation of present tapping machine is low, basically need artifical whole journey to operate, when needs are attacked the tooth to a large amount of products, whole process operation is with regard to the grow to personnel's intensity of labour, so, will lead to production efficiency to reduce, and, still can influence the tooth precision of attacking of product.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a vertical tooth machine of attacking aims at solving the tooth machine of attacking among the prior art and need whole manual operation to lead to production efficiency low and the poor technical problem of production quality more.

In order to achieve the above object, an embodiment of the present invention provides a vertical tapping machine, which includes a workbench, a product feeding mechanism, a product displacement mechanism, a product clamping mechanism and an automatic tapping device, wherein the product feeding mechanism is installed on the workbench and is used for conveying a product to be tapped; the product displacement mechanism is arranged on the workbench and is used for bearing the product conveyed by the product feeding mechanism and transferring the borne product to a tapping position; the product clamping mechanism is arranged on the side of the tapping position on the workbench and is used for being matched with the product displacement mechanism to clamp the product at the tapping position; the automatic tapping device is installed on the workbench and comprises a screw tap, and the screw tap is located above the tapping position and used for tapping the product clamped at the tapping position.

Optionally, the product feeding mechanism comprises a vibrating tray, a rectilinear vibrator, a mounting seat and two guide plates; the straight vibration ware with the vibration dish all sets up on the workstation, the mount pad sets up on the straight vibration ware, two the baffle interval sets up on the mount pad and form the guide rail that is used for the guide, the one end of guide rail with the output of vibration dish aligns, the other end with the input of product displacement mechanism aligns.

Optionally, a plurality of first adjusting holes are formed in each of the two guide plates, a plurality of first mounting holes are formed in the mounting seat, the first adjusting holes correspond to the first mounting holes one to one, the first adjusting holes penetrate through the first adjusting holes through bolts to be connected with the first mounting holes, and the two guide plates and the mounting seat are fixed.

Optionally, a first adjusting seat for adjusting the height of the linear vibrator is arranged at the lower end of the linear vibrator, and the first adjusting seat is mounted on the workbench.

Optionally, the product displacement mechanism comprises a rotary drive source and a turntable assembly; the rotary driving source is arranged on the workbench, the turntable assembly is arranged on the output end of the rotary driving source, and the rotary driving source drives the turntable assembly to rotate intermittently; the rotary table component is provided with a plurality of positioning grooves, and when the rotary table component rotates by an angle, one end of the product feeding mechanism can be aligned with one of the positioning grooves.

Optionally, the rotary drive source comprises an intermittent divider and a drive motor; the intermittent divider is arranged on the workbench and comprises a box body, an input shaft and an output shaft, the input shaft and the output shaft are arranged on the box body, the input shaft is in transmission connection with a main shaft of the driving motor through a belt, and the output shaft is connected with the turntable assembly.

Optionally, the turntable assembly comprises a connecting piece, a supporting seat, a limiting seat, a supporting plate, a turntable and a limiting piece; the connecting piece is connected with the output shaft, the supporting seat and the limiting seat are arranged on the box body, a through hole matched with the connecting piece is formed in the supporting seat, the supporting plate is arranged on the supporting seat, and the rotary disc is arranged on the connecting piece and is attached to or close to the upper end face of the supporting plate; the limiting part is arranged on the limiting seat and used for limiting the stroke of the workpiece in the rotation of the turntable.

Optionally, the locating part includes installation department and two spacing portions, two spacing portion sets up respectively the both ends of installation department, two spacing portion all follows the circumference setting of carousel, and with the circumference laminating of carousel or be close the laminating, one of them be provided with in the spacing portion and keep away the blank breach, keep away the blank breach with product clamping mechanism corresponds the setting and with one the constant head tank corresponds.

Optionally, the product clamping mechanism comprises a base, a movable seat, a cylinder assembly, and a clamping block; the base is arranged on the workbench, the moving seat is arranged on the upper end face of the base through a sliding rail, the air cylinder assembly is arranged on one side of the base, the movable end of the air cylinder is connected with the moving seat in a pushing mode and used for pushing the moving seat to move along the sliding rail, the other end of the moving seat is provided with an accommodating groove, and the clamping block is arranged in the accommodating groove.

Optionally, the automatic tapping device further comprises a support arm and a lifting mechanism; the supporting arm is arranged on the workbench, the lifting mechanism is arranged on the supporting arm, a clearance hole is formed in the supporting arm and is used for accommodating a movable end of the lifting mechanism, and the movable end of the lifting mechanism is connected with the screw tap and used for driving the screw tap to move up and down.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the vertical tooth machine of attacking have one of following technological effect at least: the product that will wait to attack the tooth is placed on feed mechanism, and carry the product displacement mechanism through feed mechanism with waiting to attack the product of tooth, product displacement mechanism will wait to attack when the tooth product moves to waiting to attack on the tooth position, product clamping mechanism and product displacement mechanism mutually support, will wait to attack the product centre gripping and be located and wait to attack behind the tooth position, then, automatic tapping device drive screw tap moves down, treat to attack the tooth product and attack the tooth, once the process of attacking the tooth of product is accomplished automatically, constantly repeat above-mentioned step, when treating a large amount of products of attacking the tooth and processing, need not artifical whole journey operation, artificial working strength has been reduced, attack tooth efficiency and guaranteed the quality of attacking the tooth.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced 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 without inventive labor.

Fig. 1 is a schematic structural view of a vertical tapping machine provided by an embodiment of the present invention.

Fig. 2 is a schematic view of a part of the structure of the feeding mechanism of the utility model.

Fig. 3 is a schematic structural diagram of the product displacement mechanism of the present invention.

Fig. 4 is an exploded view of the product displacement mechanism of the present invention.

Fig. 5 is a schematic structural view of the middle product clamping mechanism of the present invention.

Fig. 6 is a schematic structural diagram of the middle position limiting element of the present invention.

Wherein, in the figures, the respective reference numerals:

10-workbench 20-product feeding mechanism 21-vibrating disk

22-straight vibrator 23-mounting seat 24-guide plate

25-guide rail 26-first adjusting hole 27-first adjusting seat

271-upper connecting plate 272-lower connecting plate 273-screw rod

274-nut 30-product displacement mechanism 31-rotary driving source

311-intermittent divider 3111-box 3112-input shaft

3113 output shaft 312 drive motor 32 turntable assembly

321-connecting piece 322-supporting seat 323-limiting seat

324-support plate 325-rotary disc 326-position limiter

3261 mounting part 3262 limiting part 3263 clearance gap

3264 second adjusting hole 33 positioning groove 40 product clamping mechanism

41-base 42-moving seat 43-cylinder assembly

44-clamping block 50-automatic tapping device 51-screw tap

52-supporting arm 53-lifting mechanism 60-blanking track.

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 reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to be construed as limiting the present invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the 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," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In an embodiment of the present invention, as shown in fig. 1 to 6, a vertical tapping machine is provided, which includes a workbench 10, a product feeding mechanism 20, a product displacement mechanism 30, a product clamping mechanism 40 and an automatic tapping device 50, wherein the product feeding mechanism 20 is installed on the workbench 10 and is used for conveying a product to be tapped; the product displacement mechanism 30 is installed on the work table 10 and is used for carrying the product conveyed by the product feeding mechanism 20 and transferring the carried product to a tapping position; the product clamping mechanism 40 is mounted on the workbench 10 at the side of the tapping position, and the product clamping mechanism 40 is used for cooperating with the product displacement mechanism 30 to clamp the product at the tapping position; the automatic tapping device 50 is mounted on the worktable 10, and the automatic tapping device 50 includes a tap 51, and the tap 51 is located above the tapping position and is used for tapping the product clamped at the tapping position.

Specifically, during operation, the product that will wait to attack tooth is placed on feed mechanism 20, and carry the product displacement mechanism 30 on waiting to attack the tooth through feed mechanism 20, when product displacement mechanism 30 will wait to attack the tooth product and move to waiting to attack the tooth position, product clamping mechanism 40 and product displacement mechanism 30 mutually support, will wait to attack the tooth product centre gripping and be located and wait to attack behind the tooth position, then, automatic tapping device 50 drive screw tap 51 moves down, treat to attack the tooth product and attack the tooth, once the process of attacking the product is accomplished automatically, constantly repeat above-mentioned step, when processing a large amount of products of waiting to attack the tooth, need not artifical whole journey operation, artificial working strength has been reduced, the efficiency of attacking tooth has been improved and the quality of attacking tooth has been guaranteed.

In another embodiment of the present invention, referring to fig. 1-2, the product feeding mechanism 20 includes a vibrating plate 21, a straight vibrator 22, a mounting seat 23 and two guide plates 24; the vertical vibration device 22 and the vibration disk 21 are both arranged on the workbench 10, the mounting seat 23 is arranged on the vertical vibration device 22, the two guide plates 24 are arranged on the mounting seat 23 at intervals and form a guide rail 25 for guiding materials, one end of the guide rail 25 is aligned with the output end of the vibration disk 21, and the other end of the guide rail is aligned with the input end of the product displacement mechanism 30. Specifically, the products to be tapped are vibrated by the vibrating disk 21 and orderly enter the guide rails 25 formed by the two guide plates 24, and the straight vibrator 22 more accurately limits and regularly regulates the conveying direction of the products to be tapped to enter the subsequent process, so that the products with the taps are sequentially and deterministically discharged into the input end of the product displacement mechanism 30 and reliably fed to the subsequent process.

In another embodiment of the present invention, please refer to fig. 1 to 2, a plurality of first adjusting holes 26 are disposed on both the guide plates 24, a plurality of first mounting holes are disposed on the mounting seat 23, the first adjusting holes 26 correspond to the first mounting holes one by one, and the bolts pass through the first adjusting holes 26 to connect with the first mounting holes, so as to fix both the guide plates 24 and the mounting seat 23. Specifically, the bolts are unscrewed, and the interval between the two guide plates 24 is adjusted through the first adjusting holes 26, so that the two guide plates 24 can convey products with different specifications, the products with different specifications can be machined under the condition of not replacing integral parts, and the operation is convenient and fast.

In another embodiment of the present invention, please refer to fig. 1-2, the lower end of the straight vibrator 22 is provided with a first adjusting seat 27 for adjusting the height of the straight vibrator 22, and the first adjusting seat 27 is installed on the worktable 10. Specifically, the height of the straight vibrator 22 can be adjusted by adjusting the first adjusting seat 27, so that one end of the discharge hole of the guide rail 25 is adjusted to correspond to the product displacement mechanism 30, and a product can be conveniently and accurately dropped onto the product displacement mechanism 30.

In another embodiment of the present invention, please refer to fig. 2, the first adjusting seat 27 includes an upper connecting plate 271, a lower connecting plate 272, a plurality of screws 273 and a plurality of nuts 274, the upper connecting plate 271 is disposed at the lower end of the straight vibrator 22, the lower connecting plate 272 is disposed at the upper end of the bottom plate, the plurality of screws 273 connect the upper connecting plate 271 with the lower connecting plate 272, each of the screws 273 is provided with two nuts 274, and the two nuts 274 are respectively disposed on the bottom surface of the upper connecting plate 271 and the upper end surface of the lower connecting plate 272. Specifically, by screwing the nut 274 on each screw 273, the distance between the upper nut 274 and the upper connecting plate 271 or the distance between the lower nut 274 and the lower connecting plate 272 are changed, so that the distance between the upper connecting plate 271 and the lower connecting plate 272 is adjusted, and the height of the linear vibrator 22 is adjusted.

Further, a second adjusting seat for adjusting the height of the vibrating disk 21 is arranged at the bottom end of the vibrating disk 21. The structure of the second adjusting seat is the same as that of the first adjusting seat 27, and is not described in detail herein.

In another embodiment of the present invention, referring to fig. 1, 3 and 4, the product displacement mechanism 30 includes a rotary drive source 31 and a turntable assembly 32; the rotary driving source 31 is arranged on the workbench 10, the turntable assembly 32 is arranged on the output end of the rotary driving source 31, and the rotary driving source 31 drives the turntable assembly 32 to rotate intermittently; be provided with a plurality of constant head tanks 33 on the carousel subassembly 32, during carousel subassembly 32 turned angle, the one end of product feed mechanism 20 can with one of them constant head tank 33 corresponds the setting. Specifically, the product to be tapped is conveyed to the positioning groove 33 from the guide rail 25, the rotary driving source 31 drives the turntable assembly 32 to rotate, the product is moved to the position to be processed, at the moment, the next product to be tapped is orderly conveyed to the next positioning groove 33 under the action of the straight vibration device 22, after the product to be processed is processed, the rotary driving source 31 drives the next positioning groove 33 to move to the position to be processed, the steps are repeated continuously, the workpiece can be conveyed to the position to be processed without manual operation, the intensity of manual operation is reduced, the feeding efficiency is improved, the production efficiency is improved, and the production quality is improved.

In another embodiment of the present invention, referring to fig. 3 and 4, the rotary driving source 31 includes an intermittent divider 311 and a driving motor 312; the intermittent divider 311 is disposed on the table 10, the intermittent divider 311 includes a case 3111, and an input shaft 3112 and an output shaft 3113 disposed on the case 3111, the input shaft 3112 is connected to a main shaft of the driving motor 312 through a belt, and the output shaft 3113 is connected to the turntable assembly 32. Specifically, the driving motor 312 drives the input shaft 3112 to rotate, the input shaft 3112 drives the output shaft 3113 to rotate intermittently, so as to drive the turntable assembly 32 to rotate, and enable the positioning groove 33 to be aligned with one end of the guide rail 25, a product to be tapped can fall into the positioning groove 33 from the guide rail 25, and the intermittent divider 311 drives the turntable assembly 32 to rotate with high precision, smooth rotation, compact structure, small volume, low noise and good high speed performance.

Further, the input shaft 3112 is disposed perpendicular to the output shaft 3113.

In another embodiment of the present invention, referring to fig. 3 and 4, the turntable assembly 32 includes a connecting member 321, a supporting seat 322, a limiting seat 323, a supporting plate 324, a turntable 325, and a limiting member 326; the connecting piece 321 is connected with the output shaft 3113, the supporting seat 322 and the limiting seat 323 are arranged on the box 3111, the supporting seat 322 is provided with a through hole matched with the connecting piece 321, the supporting plate 324 is arranged on the supporting seat 322, and the turntable 325 is arranged on the connecting piece 321 and is attached or close to the upper end face of the supporting plate 324; the limiting member 326 is disposed on the limiting seat 323 and is used for limiting the rotation stroke of the workpiece on the turntable 325. Specifically, the output shaft 3113 drives the turntable 325 to intermittently rotate through the connecting part 321, the limiting part 326 limits the product to be processed to be always kept on the positioning groove 33 when the turntable 325 rotates, so that the product to be processed can reach the processing position, the connecting part 321 is connected with the turntable 325, the turntable 325 and the output shaft 3113 can be conveniently and quickly connected, the turntable 325 is more stable when rotating, and the supporting seat 322 and the supporting plate 324 can conveniently and quickly mount the turntable 325 and the intermittent divider 311.

In another embodiment of the present invention, please refer to fig. 6, the limiting member 326 includes an installation portion 3261 and two limiting portions 3262, two the limiting portions 3262 are respectively disposed at two ends of the installation portion 3261, two the limiting portions 3262 are all disposed along the circumference of the turntable 325, and are attached to or close to the circumference of the turntable 325, wherein one of the limiting portions 3262 is disposed with a clearance gap 3263, the clearance gap 3263 corresponds to the product clamping mechanism and corresponds to one of the positioning groove 33. Specifically, after the product to be processed falls from the guide rail 25 to the positioning groove 33, the intermittent divider 311 drives the turntable 325 to rotate, and the product to be processed rotates to the other suction limiting portion 3262 along the limiting portion 3262, so that the clearance gap 3263 in the other limiting portion 3262 aligns with the positioning groove 33 containing the product to be tapped.

In another embodiment of the present invention, referring to fig. 6, the mounting portion 3261 is provided with a plurality of second adjusting holes 3264, the limiting seat 323 is provided with second mounting holes corresponding to the second adjusting holes 3264 one to one, and the second adjusting holes 3264 are connected to the second mounting holes through bolts to fix the mounting portion 3261 and the limiting seat 323. Specifically, through the second adjusting hole 3264, the position of the mounting portion 3261 and the limiting seat 323 is adjusted, so that the distance between the limiting member 326 and the turntable 325 is adjusted, the turntable 325 can rotate along the limiting member 326 when carrying products of different specifications, the operation is simple and convenient, the working strength is reduced, and the time is saved.

In another embodiment of the present invention, referring to fig. 1 and 5, the product clamping mechanism 40 includes a base 41, a movable seat 42, a cylinder assembly 43 and a clamping block 44; the base 41 is arranged on the workbench 10, the movable seat 42 is arranged on the upper end face of the base 41 through a slide rail, the cylinder assembly 43 is arranged on one side of the base 41, the movable end of the cylinder is connected with the movable seat 42 and used for pushing the movable seat 42 to move along the slide rail, the other end of the movable seat 42 is provided with an accommodating groove, and the clamping block 44 is arranged in the accommodating groove. Specifically, the cylinder assembly 43 drives the moving seat 42 to move, so as to drive the clamping block 44 to extend into the clearance gap 3263 of the limiting portion 3262, and match with the positioning groove 33 on the turntable 325 to clamp the product to be tapped, and the clamping block 44 is detachably mounted in the accommodating groove of the moving seat 42, so that when products with different specifications need to be processed, only the clamping block 44 needs to be replaced independently, the whole replacement is not needed, and the operation is convenient and fast.

In another embodiment of the present invention, referring to fig. 1, the automatic tapping device 50 further includes a supporting arm 52 and a lifting mechanism 53; the supporting arm 52 is arranged on the workbench 10, the lifting mechanism 53 is arranged on the supporting arm 52, a clearance hole for avoiding the movable end of the lifting mechanism 53 is arranged on the supporting arm 52, and the movable end of the lifting mechanism 53 is connected with the screw tap 51 and used for driving the screw tap 51 to move up and down. Specifically, after the product to be tapped is clamped by the clamping block 44 and the turntable 325, the lifting mechanism 53 drives the screw tap 51 to tap the product to be tapped, so that manual operation is not required, the machining precision is improved, and the manual strength is reduced.

Further, the lifting mechanism is any one of a pneumatic lifting mechanism, an electric lifting mechanism or a hydraulic lifting mechanism.

In another embodiment of the present invention, referring to fig. 1, a blanking track 60 for collecting processed products is disposed on one side of the turntable assembly 32. Specifically, after the product is processed, the intermittent divider 311 drives the turntable 325 to rotate, the positioning groove 33 of the turntable 325 is aligned with the blanking track 60, and the product leaves the positioning groove 33 and falls to the blanking track 60, so that the processed product is conveniently collected, and the next step of working operation is facilitated.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A vertical tapping machine is characterized by comprising a workbench, a product feeding mechanism, a product displacement mechanism, a product clamping mechanism and an automatic tapping device, wherein the product feeding mechanism is arranged on the workbench and used for conveying a product to be tapped; the product displacement mechanism is arranged on the workbench and is used for bearing the product conveyed by the product feeding mechanism and transferring the borne product to a tapping position; the product clamping mechanism is arranged on the side of the tapping position on the workbench and is used for being matched with the product displacement mechanism to clamp the product at the tapping position; the automatic tapping device is installed on the workbench and comprises a screw tap, and the screw tap is located above the tapping position and used for tapping the product clamped at the tapping position.

2. The vertical tapping machine of claim 1, wherein said product feed mechanism comprises a vibratory pan, a linear vibrator, a mount, and two guide plates; the straight vibration ware with the vibration dish all sets up on the workstation, the mount pad sets up on the straight vibration ware, two the baffle interval sets up on the mount pad and form the guide rail that is used for the guide, the one end of guide rail with the output of vibration dish aligns, the other end with the input of product displacement mechanism aligns.

3. The vertical tapping machine as claimed in claim 2, wherein a plurality of first adjusting holes are formed in each of the two guide plates, a plurality of first mounting holes are formed in the mounting base, the plurality of first adjusting holes correspond to the plurality of first mounting holes one by one, and bolts are passed through the first adjusting holes to connect the first mounting holes, so that the two guide plates and the mounting base are fixed.

4. The vertical tapping machine according to claim 2, wherein a lower end of said straight vibrator is provided with a first adjusting seat for adjusting a height of said straight vibrator, said first adjusting seat being mounted on said table.

5. The vertical tapping machine according to any one of claims 1 to 4, wherein said product displacement mechanism comprises a rotary drive source and a turret assembly; the rotary driving source is arranged on the workbench, the turntable assembly is arranged on the output end of the rotary driving source, and the rotary driving source drives the turntable assembly to rotate intermittently; the rotary table component is provided with a plurality of positioning grooves, and when the rotary table component rotates by an angle, one end of the product feeding mechanism can be aligned with one of the positioning grooves.

6. The vertical tapping machine as claimed in claim 5, wherein said rotary drive source comprises an intermittent divider and a drive motor; the intermittent divider is arranged on the workbench and comprises a box body, an input shaft and an output shaft, the input shaft and the output shaft are arranged on the box body, the input shaft is in transmission connection with a main shaft of the driving motor through a belt, and the output shaft is connected with the turntable assembly.

7. The vertical tapping machine as claimed in claim 6, wherein said turret assembly comprises a connecting member, a support base, a limit base, a support plate, a turret, and a limit member; the connecting piece is connected with the output shaft, the supporting seat and the limiting seat are arranged on the box body, a through hole matched with the connecting piece is formed in the supporting seat, the supporting plate is arranged on the supporting seat, and the rotary disc is arranged on the connecting piece and is attached to or close to the upper end face of the supporting plate; the limiting part is arranged on the limiting seat and used for limiting the stroke of the workpiece in the rotation of the turntable.

8. The vertical tapping machine according to claim 7, wherein the limiting member comprises an installation portion and two limiting portions, the two limiting portions are respectively arranged at two ends of the installation portion, the two limiting portions are arranged along the circumference of the rotary table and are attached to or close to the circumference of the rotary table, one of the limiting portions is provided with a clearance gap, and the clearance gap corresponds to the product clamping mechanism and corresponds to the positioning groove.

9. The vertical tapping machine as claimed in any one of claims 1 to 4, wherein said product clamping mechanism comprises a base, a movable seat, a cylinder assembly and a clamping block; the base is arranged on the workbench, the moving seat is arranged on the upper end face of the base through a sliding rail, the air cylinder assembly is arranged on one side of the base, the movable end of the air cylinder is connected with the moving seat in a pushing mode and used for pushing the moving seat to move along the sliding rail, the other end of the moving seat is provided with an accommodating groove, and the clamping block is arranged in the accommodating groove.

10. The vertical tapping machine according to any one of claims 1 to 4, wherein said automatic tapping device further comprises a support arm and a lifting mechanism; the supporting arm is arranged on the workbench, the lifting mechanism is arranged on the supporting arm, a clearance hole is formed in the supporting arm and is used for accommodating a movable end of the lifting mechanism, and the movable end of the lifting mechanism is connected with the screw tap and used for driving the screw tap to move up and down.