CN217453711U

CN217453711U - Sleeve rod and automatic tightening mechanism

Info

Publication number: CN217453711U
Application number: CN202221234675.9U
Authority: CN
Inventors: 王小娟; 朱军; 郑茂明
Original assignee: SAIC GM Wuling Automobile Co Ltd
Current assignee: SAIC GM Wuling Automobile Co Ltd
Priority date: 2022-05-20
Filing date: 2022-05-20
Publication date: 2022-09-20
Anticipated expiration: 2032-05-20

Abstract

The utility model discloses a telescopic link and automatic mechanism of screwing up for connect automatic drive head and the sleeve of screwing up the mechanism, telescopic link includes: the shell comprises a first end and a second end which are arranged along the central axis of the shell and are deviated from each other, the first end is provided with a mounting hole, the shell also comprises a side wall, and two opposite sides of the side wall are respectively provided with a first sliding groove and a second sliding groove; the movable pin is arranged in the shell, part of the movable pin extends out of the mounting hole, and the movable pin is also provided with a fixed hole; the fixing pin penetrates through the fixing hole and is slidably arranged in the first sliding groove and the second sliding groove; the two ends of the elastic buffer parts are respectively abutted with the shell and the fixed pin, the elastic buffer parts are sleeved on the periphery of the movable pin, and the sleeve rod is simple in structure, small in occupied space and suitable for tightening bolts in smaller spaces.

Description

Sleeve rod and automatic tightening mechanism

Technical Field

The utility model relates to the field of assembly technique, especially, relate to a telescopic link and automatic mechanism of screwing up.

Background

With the push of intelligent manufacturing, automation modification of production lines has become necessary.

During the automatic transformation of assembly, automatic screw up the transformation also is the most, in order to practice thrift the transformation cost, the maximize utilizes handheld tightening tool on the production line, when the automatic tightening mechanism of transformation into to handheld tightening tool, has the buffering for guaranteeing automatic tightening mechanism screwing up the process, can design buffer gear, but buffer gear design is complicated among the prior art, and occupation space is great, is not suitable for the bolt tightening in less space, and the processing degree of difficulty and cost are higher.

Therefore, there is a need to provide a new socket rod and automatic tightening mechanism to solve the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a telescopic link and automatic tightening mechanism aims at solving the problem that among the prior art automatic tightening mechanism buffer gear structure is complicated, and occupation space is big.

In order to achieve the above object, the present invention provides a socket rod for connecting a driving head and a socket of an automatic tightening mechanism, the socket rod comprising: the elastic buffer piece comprises a shell, a movable pin, a fixed pin and an elastic buffer piece, wherein the shell comprises a first end and a second end which are arranged along the central axis of the shell and are deviated from each other, the first end is provided with a mounting hole, the shell also comprises a side wall, and two opposite sides of the side wall are respectively provided with a first sliding groove and a second sliding groove; the movable pin is arranged in the shell, part of the movable pin extends out of the mounting hole, and the movable pin is also provided with a fixed hole; the fixing pin penetrates through the fixing hole and is slidably mounted in the first sliding groove and the second sliding groove; the two ends of the elastic buffer part are respectively abutted to the shell and the fixed pin, and the elastic buffer part is sleeved on the periphery of the movable pin.

Preferably, the first end is further provided with a limiting part, the movable pin comprises a first section and a second section which are respectively arranged on two sides of the fixed pin, the elastic buffer part is sleeved on the periphery of the first section, and the limiting part is sleeved on the periphery of the second section.

Preferably, the limiting member is a circular ring, an outer wall surface of the circular ring is connected to an inner wall of the side wall, and the movable pin is slidably mounted on an inner wall surface of the circular ring.

Preferably, the annular portion is disposed to extend beyond the first end of the housing.

Preferably, the fixing pin is located on a side of the first sliding groove away from the second end.

The utility model also provides an automatic screw up mechanism, automatic screw up mechanism includes as above the telescopic link, still include drive head and sleeve, the drive head with the second end is connected, the sleeve with the removable pin is kept away from one side of second end is connected.

Preferably, the sleeve and the movable pin are connected by a snap fit, and the drive head and the second end are connected by a snap fit.

Preferably, the second end is provided with a groove, the two opposite sides of the inner wall of the groove are provided with buckle connecting holes, and the driving head comprises movable beads matched with the buckle connecting holes.

Preferably, the sleeve further comprises a magnetic attraction device, and the magnetic attraction device is used for attracting the to-be-screwed part.

Preferably, the automatic tightening mechanism further comprises a fixing member, and the fixing member is used for being connected with a robot so as to drive the driving head to move through the robot.

In the technical scheme of the utility model, the driving head of the automatic tightening mechanism is connected with the sleeve rod, the movable pin at the lower end of the sleeve rod is connected with the sleeve, the automatic tightening mechanism moves down to a designated position in the tightening process, the automatic tightening mechanism moves down to the designated position, the automatic tightening mechanism moves down, the sleeve is stressed to drive the movable pin to move upwards, so as to drive the fixed pin installed in the fixed hole to slide upwards on the first sliding groove and the second sliding groove, the fixed pin starts to compress the elastic buffer part, the starting and tightening are started after the fixed pin is compressed to a certain position, the bolt moves down, the sleeve connected to the movable pin moves down along with the bolt under the reaction force of the elastic buffer part, the lamination of the sleeve and the bolt is realized, and the bolt tightening is completed; the hard contact between the driving head and the sleeve is avoided through the buffer action of the sleeve rod, the damage of parts is reduced, and the service life of the automatic tightening tool is prolonged; the sleeve rod is simple in structure, small in occupied space and suitable for tightening bolts in small space; and the one end of activity round pin stretches into elastic buffer's inside, can effectually prevent elastic buffer's compression deformation, improves elastic buffer's life.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a perspective view of a telescopic rod according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view taken along line G-G of FIG. 1;

fig. 3 is a schematic structural view of an automatic tightening mechanism (without a sleeve) according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of an automatic tightening mechanism according to an embodiment of the present invention.

The reference numbers illustrate:

the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

Referring to fig. 1 and 2, the present invention provides a socket rod 1 for connecting a driving head 2 and a socket 3 of an automatic tightening mechanism 100, wherein the socket rod 1 includes: the elastic buffer comprises a shell, a movable pin 13, a fixed pin 14 and an elastic buffer 12, wherein the shell comprises a first end 111 and a second end 112 which are arranged along the central axis of the shell and are away from each other, the first end 111 is provided with a mounting hole 113, the shell further comprises a side wall 114, and two opposite sides of the side wall 114 are respectively provided with a first sliding groove 115 and a second sliding groove 116; the movable pin 13 is arranged in the shell, part of the movable pin 13 extends out of the mounting hole 113, and a fixed hole is further formed in the movable pin 13; the fixing pin 14 passes through the fixing hole, and the fixing pin 14 is slidably mounted in the first sliding groove 115 and the second sliding groove 116; two ends of the elastic buffer 12 are respectively abutted against the shell and the fixed pin 14, and the elastic buffer 12 is sleeved on the periphery of the movable pin 13; specifically, the elastic buffer member may be a spring capable of being compressed, or may be an elastic piece with a hollow middle part and arranged at intervals and connected with each other.

In the above embodiment, the driving head 2 of the automatic tightening mechanism 100 is connected with the sleeve rod 1, the movable pin 13 at the lower end of the sleeve rod 1 is connected with the sleeve 3, during the downward movement and tightening process of the automatic tightening mechanism 100, the automatic tightening mechanism 100 moves downward to a specified position, the automatic tightening mechanism 100 moves downward, the sleeve 3 is forced to drive the movable pin 13 to move upward, so as to drive the fixing pin 14 installed in the fixing hole to slide upward on the first sliding groove 115 and the second sliding groove 116, the fixing pin 14 starts to compress the elastic buffer 12, after the elastic buffer is compressed to a certain position, the tightening starts, the bolt moves downward, the sleeve 3 connected to the movable pin 13 moves downward along with the bolt under the reaction force of the elastic buffer 12, the attachment of the sleeve 3 and the bolt is realized, and the bolt tightening is completed; the 'hard contact' between the driving head 2 and the sleeve 3 is avoided through the buffering action of the elastic buffering part 12, the damage of parts is reduced, and the service life of the automatic screwing tool is prolonged; the sleeve rod 1 is simple in structure, small in occupied space and suitable for tightening bolts in small space; and one end of the movable pin 13 extends into the elastic buffer member 12, so that the compression deformation of the elastic buffer member 12 can be effectively prevented, and the service life of the elastic buffer member 12 is prolonged.

As shown in fig. 2, in an embodiment, a limiting member 15 is further installed on the first end 111, the movable pin 13 includes a first section 132 and a second section 133 respectively disposed on two sides of the fixed pin 14, the elastic buffer 12 is sleeved on an outer periphery of the first section 132, the limiting member 15 is sleeved on an outer periphery of the second section 133, and since a diameter of the movable pin 13 is smaller than a diameter of the installation hole 113, in order to avoid the movable pin 13 from shaking in the installation hole 113, the limiting member 15 is additionally installed to limit the movable pin 13.

Further, as shown in fig. 2, the limiting member 15 is a circular ring 151, an outer wall surface of the circular ring 151 is connected to an inner wall surface of the side wall 114, the movable pin 13 is slidably mounted on an inner wall surface of the circular ring 151, the circular ring 151 is an integrally molded component, is mounted into the mounting hole 113 from the first end 111, and is fixed on the inner wall surface of the mounting hole 113, so that the processes of detaching and mounting the limiting member 15 are simplified, and the external space of the housing is not occupied.

Or the ring 151 is partially extended out of the first end 111 of the housing, when disassembly is needed, the ring 151 can be pulled out by clamping the part of the ring 151 extending out of the first end 111 with a tool, and disassembly is simpler and more convenient.

It should be noted that, the structure of the limiting member 15 includes but is not limited to the above scheme, and the limiting member 15 may also be composed of a plurality of limiting blocks, and the position thereof may also be any position that is installed on the housing, sleeved on the movable pin 13, located below the fixing member 4, and does not interfere with the sleeve 3, so as to meet the actual requirement of the automatic tightening mechanism 100.

As shown in fig. 1 and fig. 2, in an embodiment, the fixing pin 14 is located on a side of the first sliding groove 115 away from the second end 112, so that while the up-and-down moving stroke of the movable pin 13 is ensured, the lengths of the first sliding groove 115 and the second sliding groove 116 may be as short as possible, so as to achieve maximum utilization, and the stretching force of the elastic buffer 12 at this time may push the fixing pin 14 at this position without an external force, so that the structural stability of the entire telescopic rod 1 is better.

Referring to fig. 3 and 4, the present invention further provides an automatic tightening mechanism 100, wherein the automatic tightening mechanism 100 includes the above sleeve rod 1, and further includes a driving head 2 and a sleeve 3, the driving head 2 is connected to the second end 112, and the sleeve 3 is connected to one side of the movable pin 13 away from the second end 112. Since the automatic tightening mechanism 100 adopts all technical solutions of all the embodiments, at least all the beneficial effects brought by the technical solutions of the embodiments are achieved, and no further description is given here.

Further, sleeve 3 and removable pin 13 pass through the buckle and connect, and drive head 2 and second end 112 pass through the buckle and connect, in order to tighten the bolt of different specifications, size, only need change different sleeve 3 can, and buckle formula stable in structure is firm, has reduced the dismantlement and the installation degree of difficulty of sleeve 3 and telescopic link 1 moreover by a wide margin for change speed.

Further, as shown in fig. 1 and fig. 3, a groove 117 is formed on the second end 112, snap-fit connection holes are formed on two opposite sides of an inner wall of the groove 117, the driving head 2 includes movable beads matched with the snap-fit connection holes, the groove 117 is connected with the driving head 2, the movable beads of the driving head 2 are snap-fitted into the snap-fit connection holes in the groove 117, so that the connection between the driving head 2 and the sleeve rod 1 is more stable.

Further, sleeve 3 still includes magnetism and inhales the device, and magnetism is inhaled the device and is used for absorbing and treat the piece of screwing up, and when automatic screwing up mechanism 100 was close to the bolt of waiting to install the screw up, the sleeve 3 of taking magnetism to inhale the device can realize snatching the bolt automatically, and degree of automation is higher.

Further, automatic mechanism 100 of screwing up still includes mounting 4, and mounting 4 is used for being connected with the robot to drive the driving head 2 through the robot and remove, through setting up mounting 4 and connecting the robot, drive automatic mechanism 100 of screwing up by the robot and accomplish and snatch the bolt, remove the assigned position, move down, screw up the equal repetitive motion, saved the manpower, also improved efficiency.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims

1. A quill for connecting a drive head and a quill of an automatic tightening mechanism, comprising:

the shell comprises a first end and a second end which are arranged along the central axis of the shell and are deviated from each other, the first end is provided with a mounting hole, the shell also comprises a side wall, and two opposite sides of the side wall are respectively provided with a first sliding groove and a second sliding groove;

the movable pin is arranged in the shell, part of the movable pin extends out of the mounting hole, and a fixing hole is formed in the movable pin;

a fixing pin passing through the fixing hole, the fixing pin being slidably mounted to the first and second sliding grooves;

the two ends of the elastic buffer part are respectively abutted to the shell and the fixed pin, and the elastic buffer part is sleeved on the periphery of the movable pin.

2. The telescopic rod as claimed in claim 1, wherein the first end further has a stopper mounted thereon, the movable pin includes a first section and a second section respectively disposed at both sides of the fixed pin, the elastic buffer is sleeved on an outer periphery of the first section, and the stopper is sleeved on an outer periphery of the second section.

3. The sleeved stem of claim 2, wherein the retaining member is a ring, an outer wall surface of the ring is connected to an inner wall surface of the sidewall, and the moveable pin is slidably mounted to the inner wall surface of the ring.

4. The sleeved stem of claim 3, wherein the annular ring portion is disposed to extend beyond the first end of the housing.

5. The sleeved post of claim 1, wherein the fixed pin is located on a side of the first sliding slot remote from the second end.

6. An automatic tightening mechanism comprising the sleeve shank of any one of claims 1-5, wherein the automatic tightening mechanism further comprises a drive head coupled to the second end and a sleeve coupled to a side of the movable pin remote from the second end.

7. The automatic tightening mechanism according to claim 6, wherein the sleeve and the movable pin are connected by a snap fit, and the drive head and the second end are connected by a snap fit.

8. The automatic tightening mechanism of claim 7, wherein the second end defines a recess, wherein opposing sides of an inner wall of the recess define snap-fit connection holes, and wherein the drive head includes a movable bead that mates with the snap-fit connection holes.

9. The automatic tightening mechanism of claim 8, wherein the sleeve further comprises a magnetic attraction device for attracting the member to be tightened.

10. The automatic tightening mechanism of claim 9, further comprising a mount for coupling to a robot to drive movement of the drive head by the robot.