CN215091898U

CN215091898U - Automatic mechanism of screwing up of steel wire swivel nut

Info

Publication number: CN215091898U
Application number: CN202120331030.6U
Authority: CN
Inventors: 郭城生
Original assignee: Suzhou Hwle Automation Technology Co ltd
Current assignee: Suzhou Hwle Automation Technology Co ltd
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2021-12-10
Anticipated expiration: 2031-02-05

Abstract

The utility model discloses an automatic tightening mechanism for a steel wire thread insert, which comprises a mounting plate, wherein a lifting driving module is arranged at the upper end of the mounting plate, a tightening module is arranged on a sliding plate of the lifting driving module, the tightening module comprises a lifting component and a tightening component, the lifting component is arranged on the sliding plate, the tightening component is arranged on the lifting component, the output end of the lifting component is provided with a tightening head for positioning and tightening the steel wire thread insert, a feeding mechanism is arranged on the mounting plate, the feeding mechanism comprises a feeding pipe, a material distributing cylinder, a translational sliding plate and a material receiving key, the material distributing cylinder is arranged on the mounting plate, the telescopic end of the translational sliding plate is provided with the translational sliding plate, the feeding pipe is used for feeding the steel wire thread insert, the feeding pipe is communicated with the material receiving key, the material distributing cylinder drives the material receiving key to move to the lower part of the tightening head, the utility model solves the problems that the efficiency of manually tightening the thread insert is slow, the traditional thread insert tightening equipment is unstable and the like, the screwing efficiency is improved, the equipment stability is improved, and the product quality is improved.

Description

Automatic mechanism of screwing up of steel wire swivel nut

Technical Field

The utility model relates to a steel wire swivel nut installation device technical field especially relates to an automatic mechanism of screwing up of steel wire swivel nut.

Background

The existing screwing assembly of the steel wire thread insert is mostly manually screwed by a thread insert wrench, or equipment simulates manual actions to be screwed by the thread insert wrench. The manual tightening mode requires certain operation experience of workers, the reject ratio is high, and the tightening efficiency is low; the disadvantage of the screwing of the screw sleeve spanner for the equipment is that the screwing rotating speed and the descending speed of the spanner cannot be well matched, if the rotating speed is high, the descending speed can cause the screw sleeve to fall off the spanner, so that the screwing is poor, and if the rotating speed is high, the rotating speed is slow, the screw sleeve can be forced to stretch, so that the screw sleeve is poor, and the problem is caused by the uncertainty of the steel wire screw sleeve hole-entering time, so that the problem is difficult to solve in the mode.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic mechanism of screwing up of steel wire swivel nut has solved artifical screw nut efficiency slow, the unstable scheduling problem of equipment is screwed up to traditional swivel nut, has improved and has screwed up efficiency, has improved equipment stability to the product quality has been promoted.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides an automatic mechanism of screwing up of steel wire swivel nut, includes the mounting panel, the mounting panel upper end is equipped with the lift drive module, install on the slide of lift drive module and screw up the module, screw up the module and include lifting unit and screw up the subassembly, lifting unit installs on the slide, screw up the subassembly and set up on lifting unit, its output is equipped with the head of screwing up that is used for steel wire swivel nut location and screws up, be equipped with feeding mechanism on the mounting panel, feeding mechanism includes the inlet pipe, divides material cylinder, translation slide and material receiving key, divide the material cylinder to set up on the mounting panel, its flexible end is equipped with the translation slide, the end of translation slide is equipped with material receiving key, the inlet pipe is used for pay-off steel wire swivel nut, and it communicates with material receiving key mutually, divide the material cylinder drive material receiving key to remove to the below of screwing up the head.

As a further optimization, the lifting assembly comprises a lifting cylinder, a lifting plate and a sliding rail, the lifting cylinder and the sliding rail are fixed on the sliding plate, the lifting plate can be arranged on the sliding rail in a sliding manner and is connected with the output end of the lifting cylinder, and the screwing assembly is arranged on the lifting plate.

As a further optimization, the tightening assembly comprises a mounting seat, a tightening motor and a coupler, the mounting seat is fixed on the lifting assembly, and the tightening motor is arranged on the mounting seat and connected with the tightening head through the coupler.

As a further optimization, the tightening head comprises a tightening rod, a sleeve, a telescopic spring and a tightening tooth rod, the tightening rod is arranged at the output end of the tightening assembly, the sleeve is fixed at the lower part of the tightening rod, and the upper part of the tightening tooth rod is positioned in the sleeve and is connected with the tightening rod through the telescopic spring.

As a further optimization, the lower end of the tightening rod is provided with a guide pillar, the upper end of the tightening tooth rod is provided with a guide groove, and the guide pillar is embedded into the guide groove to compress the telescopic spring.

As a further optimization, the tightening tooth rod sequentially comprises a top section, a positioning section, a gap section and a tooth rod section from top to bottom, wherein the positioning section is located at the lower end of the top section, the diameter of the positioning section is equal to the inner diameter of the lower end of the sleeve, and the diameter of the positioning section is larger than that of the gap section.

As a further optimization, a support is arranged on the mounting plate, a first clamping cylinder is arranged on the support, and the first clamping cylinder clamps the feeding pipe to move up and down; the support is provided with a through hole, and the feeding pipe is located above the material receiving key after penetrating through the through hole.

As a further optimization, one side of the material receiving key is provided with a second clamping cylinder for clamping the steel wire thread sleeve.

Compared with the prior art, the utility model discloses following beneficial effect has: the problem of artifical screw sleeve efficiency slow, traditional screw sleeve screw up equipment unstability etc. is solved, improved and screwed up efficiency, improved equipment stability, promoted the product quality.

Drawings

Fig. 1 is a structural diagram of the present invention.

Fig. 2 is a structural diagram of the tightening module and the tightening head of the present invention.

Fig. 3 is a structural diagram of the feeding mechanism of the present invention.

Fig. 4 is a cross-sectional structural view of the tightening head of the present invention.

Fig. 5 is an enlarged view of a portion a in fig. 4.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 5, an automatic tightening mechanism for a wire thread insert comprises a mounting plate 100, a lifting driving module 1 is disposed at an upper end of the mounting plate 100, a tightening module 2 is disposed on a sliding plate 11 of the lifting driving module 1, the lifting driving module mainly comprises a servo motor, a lead screw, a sliding rail and the like, and is used for controlling lifting of the tightening module, the tightening module 2 comprises a lifting assembly 21 and a tightening assembly 22, the lifting assembly 21 is mounted on the sliding plate 11, the tightening assembly 22 is disposed on the lifting assembly 21, an output end of the lifting assembly is provided with a tightening head 3 for positioning and tightening the wire thread insert, a feeding mechanism 4 is disposed on the mounting plate 100, the feeding mechanism 4 comprises a feeding pipe 46, a material distributing cylinder 41, a translational sliding plate 42 and a material receiving key 43, the material distributing cylinder 41 is disposed on the mounting plate 100, a translational sliding plate 42 is disposed at a telescopic end thereof, the material receiving key 43 is disposed at a tail end of the translational sliding plate 42, the feeding pipe 46 is used for feeding the wire thread insert, which is communicated with the material receiving key 43, and the material distributing cylinder 41 drives the material receiving key 43 to move to the lower part of the tightening head 3.

The lifting assembly 21 comprises a lifting cylinder 211, a lifting plate 212 and a slide rail 213, the lifting cylinder 211 and the slide rail 213 are fixed on the sliding plate 11, the lifting plate 212 is slidably arranged on the slide rail 213 and connected with the output end of the lifting cylinder 211, and the tightening assembly 22 is arranged on the lifting plate 212; the tightening unit 22 includes a mounting base 222, a tightening motor 221, and a coupling 223, the mounting base 222 is fixed to the elevating unit 21, and the tightening motor 221 is disposed on the mounting base 222 and connected to the tightening head 3 through the coupling 223.

The lifting cylinder has the function that when the tightening head takes the steel wire thread sleeve and tightens the steel wire thread sleeve, the tightening head is given certain pressure, and the working pressure of the tightening cylinder is adjusted to enable the tightening head to be in a vertical floating state, so that the tightening head is prevented from being pressed when taking and tightening; the tightening motor provides torque for the tightening head, the rotating speed and the torque of the tightening motor can be set and fed back, the displacement sensor 12 is installed on the lifting plate, and the displacement sensor mainly plays a role in feeding back the screwing depth of the steel wire thread insert in real time; the tightening head is arranged on the mounting seat, and the end part of the tightening head is connected with a tightening motor through a coupler.

The tightening head 3 comprises a tightening rod 31, a sleeve 32, a telescopic spring 33 and a tightening tooth rod 34, the tightening rod 31 is arranged at the output end of the tightening assembly 22, the sleeve 32 is fixed at the lower part of the tightening rod 31, the upper part of the tightening tooth rod 34 is positioned in the sleeve 32 and is connected with the tightening rod 31 through the telescopic spring 33; the lower end of the tightening rod 31 is provided with a guide post 310, the upper end of the tightening tooth rod 34 is provided with a guide groove 340, and the guide post 310 is embedded into the guide groove 340 to compress the expansion spring 33; the tightening tooth rod 34 sequentially comprises a top section 341, a positioning section 342, a gap section 343 and a tooth rod section 344 from top to bottom, wherein the top section is located in the middle cavity 321 of the sleeve and is limited in the middle cavity, the positioning section 342 is located at the lower end of the top section 341, the diameter of the positioning section is smaller than that of the top section, is equal to the inner diameter of the lower end of the sleeve 32, and is larger than that of the gap section 343.

The sleeve connects the tightening rod with the tightening tooth rod, a telescopic spring is arranged between the tightening rod and the tightening tooth rod, and the tightening tooth rod can slide up and down in the sleeve. When the steel wire thread sleeve is taken, the tightening tooth rod is in an extending state, the positioning section of the tightening tooth rod is positioned on the inner wall of the bottom end of the middle cavity of the sleeve, the tightening tooth rod cannot generate left and right displacement, and the tightening tooth rod is precisely matched with the telescopic sleeve, so that the position precision of the tightening tooth rod is ensured, and the stability of the steel wire thread sleeve is improved; when the steel wire thread insert is screwed, the screwing tooth rod is in a retraction state, the gap section of the screwing tooth rod is located on the inner wall of the bottom end of the middle cavity of the sleeve, the screwing tooth rod is in clearance fit with the telescopic head at the moment, the screwing tooth rod has a certain movable gap to adapt to the position error of the screwing hole position, and the screwing tooth rod and the screwing hole position are prevented from being misaligned to cause poor screwing.

A bracket 44 is arranged on the mounting plate 100, a first clamping cylinder 45 is arranged on the bracket 44, and the first clamping cylinder 45 clamps the feeding pipe 46 to move up and down; a through hole is arranged on the bracket 44, and the feeding pipe 46 is positioned above the material receiving key 43 after passing through the through hole; one side of the material receiving key 43 is provided with a second clamping cylinder 47 for clamping the wire thread insert.

The steel wire swivel nut blows to on connecing the material key through the inlet pipe, first centre gripping cylinder descends during blowing the material, the inlet pipe pastes tightly and connects the material key, guarantee inlet pipe and connect the seamless butt joint of material key, divide the effect of material cylinder to connect the steel wire swivel nut to screw up the head below from connecing the material department lateral shifting, the effect of second die clamping cylinder opens when connecing the material, make things convenient for the steel wire swivel nut to get the material key, when screwing up the head and getting the material, second centre gripping cylinder is closed, make things convenient for the head rotation of screwing up to get the material, the steel wire swivel nut rotates along with screwing up the tooth pole when avoiding the rotation to get the material.

The utility model discloses a theory of operation does: the steel wire thread sleeve is blown to the material receiving key by compressed air, a second clamping cylinder of the steel wire thread sleeve is arranged on the material receiving key, the steel wire thread sleeve is opened during material receiving, the thread sleeve can conveniently enter the material receiving key, the tightening head is closed during material taking, the tightening head can conveniently rotate to take materials, and the steel wire thread sleeve can be prevented from rotating along with the tightening tooth rod during material taking; the material distributing cylinder transversely moves the steel wire thread insert from the material receiving position to the position below the tightening head; the steel wire thread sleeve taking mode is that a thread rod matched with the steel wire thread sleeve is used for taking materials, namely, the steel wire thread sleeve is firstly screwed on the screwing thread rod from the material receiving key, and then the screwing thread rod drives the steel wire thread sleeve to be screwed into a workpiece hole, so that the steel wire thread sleeve is screwed on the screwing thread rod in advance, and the defect caused by stretching of the steel wire thread sleeve in the screwing process is avoided; the telescopic structure of the screw rod is screwed down, so that accurate positioning during material taking and floating hole finding during screwing down can be realized; the torsion feedback of the screwing motor and the screwing-in depth feedback of the displacement sensor can monitor the whole screwing-in process in real time, and whether the screwing-in process is qualified or not can be accurately judged.

Being furnished with on the unit is screwed up to the steel wire swivel nut and screwing up motor and displacement sensing, the whole process of screwing up is screwed up the degree of depth and is twisted into torsion and have real-time feedback, can make the whole curve control of twisting up the process and twist the degree of depth and twist into torsion, can judge according to twisting up the process curve and change the process of screwing up whether qualified, and the process of screwing up can in time stop if there is unusual feedback, reduces the product number of times of doing over again to reduce the defective rate that the steel wire swivel nut was screwed up.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The automatic tightening mechanism for the steel wire thread inserts is characterized by comprising a mounting plate (100), wherein a lifting driving module (1) is arranged at the upper end of the mounting plate (100), a tightening module (2) is arranged on a sliding plate (11) of the lifting driving module (1), the tightening module (2) comprises a lifting assembly (21) and a tightening assembly (22), the lifting assembly (21) is arranged on the sliding plate (11), the tightening assembly (22) is arranged on the lifting assembly (21), a tightening head (3) for positioning and tightening the steel wire thread inserts is arranged at the output end of the tightening assembly, a feeding mechanism (4) is arranged on the mounting plate (100), the feeding mechanism (4) comprises an inlet pipe (46), a material distribution cylinder (41), a translation sliding plate (42) and a material receiving key (43), the material distribution cylinder (41) is arranged on the mounting plate (100), and a translation sliding plate (42) is arranged at the telescopic end of the material distribution cylinder, the tail end of the translation sliding plate (42) is provided with a material receiving key (43), the feeding pipe (46) is used for feeding a steel wire thread sleeve and communicated with the material receiving key (43), and the material distributing cylinder (41) drives the material receiving key (43) to move to the position below the tightening head (3).

2. The automatic wire thread insert tightening mechanism according to claim 1, wherein the lifting assembly (21) comprises a lifting cylinder (211), a lifting plate (212) and a slide rail (213), the lifting cylinder (211) and the slide rail (213) are fixed on the slide plate (11), the lifting plate (212) is slidably disposed on the slide rail (213) and connected to an output end of the lifting cylinder (211), and the tightening assembly (22) is disposed on the lifting plate (212).

3. The automatic wire thread insert tightening mechanism according to claim 1 or 2, characterized in that the tightening assembly (22) comprises a mounting base (222), a tightening motor (221) and a coupling (223), the mounting base (222) being fixed to the lifting assembly (21), the tightening motor (221) being disposed on the mounting base (222) and being connected to the tightening head (3) through the coupling (223).

4. The automatic wire thread insert tightening mechanism according to claim 1, characterized in that the tightening head (3) includes a tightening rod (31), a sleeve (32), a telescopic spring (33), and a tightening tooth rod (34), the tightening rod (31) being disposed at an output end of the tightening assembly (22), the sleeve (32) being fixed to a lower portion of the tightening rod (31), an upper portion of the tightening tooth rod (34) being located within the sleeve (32) and connected to the tightening rod (31) by the telescopic spring (33).

5. The automatic wire thread insert tightening mechanism according to claim 4, wherein a guide post (310) is provided at a lower end of the tightening rod (31), a guide groove (340) is provided at an upper end of the tightening thread rod (34), and the guide post (310) is inserted into the guide groove (340) to compress the extension spring (33).

6. The automatic wire thread insert tightening mechanism according to claim 4, wherein the tightening shank (34) includes, in order from top to bottom, a tip section (341), a positioning section (342), a gap section (343), and a shank section (344), and the positioning section (342) is located at a lower end of the tip section (341) and has a diameter equal to an inner diameter of a lower end of the sleeve (32) and larger than a diameter of the gap section (343).

7. The automatic wire thread insert tightening mechanism according to claim 1, wherein a bracket (44) is provided on the mounting plate (100), a first clamping cylinder (45) is provided on the bracket (44), and the first clamping cylinder (45) clamps the feed pipe (46) to move up and down; the support (44) is provided with a through hole, and the feeding pipe (46) penetrates through the through hole and then is positioned above the material receiving key (43).

8. The automatic wire thread insert tightening mechanism according to claim 1, wherein a second clamping cylinder (47) for clamping the wire thread insert is provided at one side of the receiving key (43).