CN111408886A

CN111408886A - Quick ratchet compactor

Info

Publication number: CN111408886A
Application number: CN202010407726.2A
Authority: CN
Inventors: 庄景飘; 庄景峰; 胡伟; 陈小杨
Original assignee: Xiamen Yaweda Automation Technology Co ltd
Current assignee: Xiamen Yaweda Automation Technology Co ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2020-07-14

Abstract

The invention discloses a rapid ratchet wheel compactor in the technical field of compactors, which mainly comprises a vertical supporting rod, wherein a cantilever rod and a sliding sleeve are arranged at the upper end of the vertical supporting rod, a semicircular ratchet gear is arranged at the other end of the cantilever rod, a U-shaped mounting frame is arranged outside the semicircular ratchet gear, the semicircular ratchet gear is positioned in an inner cavity of the U-shaped mounting frame, the semicircular ratchet gear is rotatably mounted with the U-shaped mounting frame by transversely arranging a ratchet gear rotating pin, a positioning pawl is meshed above the semicircular ratchet gear and is rotatably mounted with the U-shaped mounting frame by transversely arranging a pawl rotating pin, an elastic pressing mechanism is abutted against the inner side wall of the positioning pawl, and a swing handle is fixedly connected to the top of the U-shaped mounting frame; compared with the compressor in the center of the prior art, the rapid ratchet compressor has the advantages of being stable in clamping and convenient and fast to operate.

Description

Quick ratchet compactor

Technical Field

The invention relates to the technical field of compactor equipment, in particular to a rapid ratchet compactor.

Background

With the increasing development and technical progress of large and light vehicle bodies and mechanical equipment, the technical requirements on the pressing apparatus for welding large and light vehicle body structures and mechanical equipment are higher and higher. In the known technology, the existing welding compressor for large-scale lightweight car bodies and mechanical equipment structures mainly comprises a vertical rod with a fixed base, a cross rod sleeved on the vertical rod, and a compression screw connected with the top of the cross rod in a threaded sleeve manner.

In the prior art, like the utility model discloses a "flexible formula collet" that patent application number is CN201120490589.X, the device utilizes screw-thread fit between handle 4 and the installation head 12 to advance progressively, with the work piece locking, need through continuous rotation handle 4 until locking during the use, it is more loaded down with trivial details to operate, and under the condition that is touched repeatedly among the work piece welding process, still can appear not hard up the condition between handle 4 and the installation head 12, again like the utility model discloses a "a ratchet fast compactor" that patent application number is CN201510016724.X, when the device uses, just can realize the work piece clamping through plug angle spacer pin 5 and manual pendulum depression bar 3 that pushes away again, although locking effect is slightly superior to the former, nevertheless actual operation convenience is still not ideal.

Based on the above, the invention designs a rapid ratchet compactor to solve the above problems.

Disclosure of Invention

The invention aims to provide a quick ratchet wheel compactor to solve the technical problems.

In order to realize the purpose, the invention provides the following technical scheme: a ratchet wheel rapid compactor mainly comprises a supporting vertical rod, a cantilever rod is arranged at the upper end of the supporting vertical rod, one end of the cantilever rod is movably sleeved and connected with the supporting vertical rod through a sliding sleeve, a semicircular ratchet gear with an upward tooth surface is arranged at the other end of the cantilever rod, a U-shaped mounting frame with a downward opening is arranged outside the semicircular ratchet gear, the semicircular ratchet gear is positioned in an inner cavity of the U-shaped mounting frame, a ratchet gear rotating pin is transversely arranged on the semicircular ratchet gear and rotatably mounted with the U-shaped mounting frame, the distance between the axis of the ratchet gear rotating pin and the outer side to the inner side of the circular arc bottom edge of the U-shaped mounting frame is linearly increased in an increasing manner, a positioning pawl is meshed above the semicircular ratchet gear and rotatably mounted with the U-shaped mounting frame through the ratchet rotating pin transversely arranged on the positioning pawl, the inside wall butt of location pawl is provided with the suppress mechanism, suppress the mechanism and be located the pawl changes round pin top, the top fixedly connected with pendulum of U type mounting bracket changes the handle.

Preferably, the supporting vertical rod is of a square structure, a limiting rivet is arranged at the upper end of the supporting vertical rod, and the sliding sleeve is of a square frame structure matched with the supporting vertical rod.

Preferably, the suppressing mechanism comprises compression spring and step fore-set, the big footpath end of step fore-set is the button head, the button head with the inside wall looks butt of location pawl, the compression spring cover is located the path end outer wall of step fore-set, compression spring's both ends respectively the butt in the middle part step face of step fore-set with set up in the suppression mounting hole on the U type mounting bracket.

Preferably, the upper end of the positioning pawl extends outward to form a release lever.

Preferably, the lower pot head of the outer wall of supporting the montant is equipped with the holding ring, the inner chamber of holding ring through inlay establish the rubber ring with the outer wall of supporting the montant closely attaches the cover and cup joints.

Preferably, the bottom end of the supporting vertical rod is fixedly connected with a platform positioning column, and the platform positioning column is composed of a limiting baffle and a positioning pin column.

Preferably, the positioning pin column is of a multi-step pin structure with a large upper part and a small lower part.

Compared with the prior art, the invention has the beneficial effects that:

the invention relates to a ratchet wheel rapid compactor which mainly comprises a vertical supporting rod, a cantilever rod, a semicircular ratchet gear, a U-shaped mounting frame, a ratchet gear rotating pin, a positioning pawl, a pawl rotating pin and a pressing mechanism, wherein the positioning pawl and the semicircular ratchet gear are mutually meshed and rotatably mounted with the U-shaped mounting frame; compared with the pressing device in the prior art, the ratchet wheel quick pressing device has the advantages of being stable in clamping and convenient and fast to operate.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments 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 that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is a third schematic view of the overall structure of the present invention;

FIG. 4 is a schematic view of a portion of the present invention;

FIG. 5 is a schematic structural view of a U-shaped mounting bracket according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

100-supporting vertical rod, 200-cantilever rod, 210-sliding sleeve, 220-semicircular ratchet wheel, 300-U-shaped mounting rack, 310-swinging handle, 320-elastic pressing mounting hole, 400-ratchet wheel rotating pin, 500-positioning pawl, 510-releasing deflector rod, 600-pawl rotating pin, 700-elastic pressing mechanism, 710-compression spring, 720-step top column, 800-positioning ring, 900-platform positioning column, 910-limit baffle and 920-positioning pin column.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a ratchet wheel rapid compactor mainly comprises a supporting vertical rod 100, a cantilever rod 200 is arranged at the upper end of the supporting vertical rod 100, one end of the cantilever rod 200 is connected with a movable sleeve of the supporting vertical rod 100 through a sliding sleeve 210, a semicircular ratchet gear 220 with an upward tooth surface is arranged at the other end of the cantilever rod 200, a U-shaped mounting rack 300 with a downward opening is arranged outside the semicircular ratchet gear 220, the semicircular ratchet gear 220 is positioned in an inner cavity of the U-shaped mounting rack 300, the semicircular ratchet gear 220 is rotatably installed with the U-shaped mounting rack 300 by transversely arranging a ratchet gear rotating pin 400, the distance between the axis of the ratchet gear rotating pin 400 and the outer side and the inner side of the circular arc bottom edge of the U-shaped mounting rack 300 is linearly and progressively increased, when the outer circular arc bottom edge of the U-shaped mounting rack 300 is abutted to the surface of a workpiece, the axis of the ratchet gear rotating pin 400 is closer to the surface of the workpiece and is in a loose, the axis of the ratchet wheel rotating pin 400 is far away from the surface of the workpiece, and is in a pressing state; a positioning pawl 500 is meshed above the semicircular ratchet gear 220, the positioning pawl 500 is rotatably mounted with the U-shaped mounting rack 300 by a transverse pawl rotating pin 600, the bottom end of the positioning pawl 500 is provided with a ratchet which is in mirror image with the top structure of the semicircular ratchet gear 220 and is meshed with the semicircular ratchet gear, when the U-shaped mounting rack 300 swings from a relaxed state to a compressed state, the positioning pawl 500 can cross the semicircular ratchet gear 220, when the U-shaped mounting rack 300 wants to rotate from the compressed state to the relaxed state, the positioning pawl 500 is blocked by the semicircular ratchet gear 220, and in actual release, a release lever 510 at the upper end of the positioning pawl 500 needs to be manually pressed, so that the positioning pawl 500 actively crosses the ratchet of the semicircular ratchet gear 220 and cannot rebound, thereby allowing the U-shaped mounting rack 300 to reset and swing, and realizing the release of a workpiece; the inside wall butt of location pawl 500 is provided with suppress mechanism 700 for compress tightly the in-process and provide the elasticity that resets and make location pawl 500 kick-back chucking semicircle ratchet gear 220 realize the locate function, suppress mechanism 700 and be located the pawl and change 600 tops, the top fixedly connected with of U type mounting bracket 300 swings and changes handle 310.

Further, the biasing mechanism 700 is composed of a compression spring 710 and a step support 720, the large diameter end of the step support 720 is round, the round is abutted against the inner side wall of the positioning pawl 500, the round can be polished, the friction area is small and the friction force is reduced, thereby reducing the friction loss, the compression spring 710 is sleeved on the outer wall of the small-diameter end of the step support 720, the two ends of the compression spring 710 are respectively abutted against the step surface of the middle part of the step support 720 and the spring mounting hole 320 arranged on the U-shaped mounting frame 300, during the pressing process of the pressing device, the ratchet teeth of the positioning pawl 500 can ride over the ratchet teeth of the semi-circular ratchet gear 220, and every time one ratchet tooth is crossed, namely, the spring mechanism 700 is required to provide the spring force and the ratchet teeth of the positioning pawl 500 are clamped between the ratchet teeth of the next half ratchet gear 220, thus, when the pressing swing is stopped, the positioning pawl 500 can be used for positioning and anti-loosening.

Further, the upper end of the positioning pawl 500 extends outwards to form a release lever 510, the release lever 510 and the bottom ratchet teeth are distributed on the upper side and the lower side of the pawl rotating pin 600, the distance between the upper end of the release lever 510 is far greater than the distance between the bottom ends of the ratchet teeth, and the release lever 510 is arranged to apply force to rotate the positioning pawl 500 when being released conveniently by utilizing the lever principle.

Furthermore, the positioning ring 800 is sleeved at the lower end of the outer wall of the supporting vertical rod 100, when the cantilever beam is actually used, the supporting vertical rod 100 is inserted into a tool clamp insertion hole on an external welding platform, the positioning ring 800 is arranged to be used for calibrating the depth of the supporting vertical rod 100 inserted into the insertion hole, and when the cantilever beam is used in a hole replacement mode, the last practical clamping state is conveniently memorized, and the step of adjusting the height of the cantilever beam 200 again is omitted; the inner cavity of the positioning ring 800 is tightly attached and sleeved with the outer wall of the supporting vertical rod 100 through embedding a rubber ring (not shown in the figure), the rubber ring is made of rubber or silica gel, the resistance increasing effect is achieved, the positioning ring 800 can be attached to any position of the supporting vertical rod 100 in a fitting manner, and when the position of the positioning ring 800 needs to be adjusted, only the friction force of the rubber ring needs to be overcome, and the positioning ring can be directly pushed up and down.

As another embodiment, the bottom end of the vertical supporting rod 100 is fixedly connected with a platform positioning column 900, the platform positioning column 900 is composed of a limiting baffle plate 910 and a positioning pin column 920, the positioning pin column 920 is a multi-stage step pin structure with a large top and a small bottom, in this embodiment, the outer diameters of three steps of the positioning pin column 920 are respectively 16mm, 22mm and 28mm, the size of the insertion hole corresponds to that of existing several mainstream welding platforms, in practical application, other sizes can be set according to practical situations, the lower end of the positioning pin column 920 is chamfered by C4, and the positioning pin column 920 can be conveniently inserted into the insertion hole of an external welding platform.

One specific application of this embodiment is:

inserting the support vertical rod 100 into an insertion hole of a fixture tool of an external welding platform, fixing the insertion depth of the support vertical rod 100 by using a positioning ring 800 or a limit baffle 910, swinging the cantilever rod 200 to the upper side of a workpiece, pressing the release shifting rod 510 and then rotating the swinging handle 310 to the right side, moving the cantilever rod 200 downwards until the right side (namely the outer side) arc bottom edge of the U-shaped mounting frame 300 is attached to the surface of the workpiece, at the moment, rotating the swinging handle 310 to the left side, fully abutting and contacting the left side (namely the inner side) arc bottom edge of the U-shaped mounting frame 300 with the surface of the workpiece, firmly pressing the surface of the workpiece, when releasing, pressing the release shifting rod 510 to the side of the swinging handle 310, and completely separating the positioning pawl 500 from the semicircular ratchet gear 220 to loosen the U-shaped mounting frame 300 freely, thereby releasing the workpiece.

In the description of the invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "two ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the invention.

In the present invention, unless otherwise specifically stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the terms in the invention is understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A ratchet wheel rapid compactor is characterized in that: the support structure mainly comprises a support vertical rod (100), a cantilever rod (200) is arranged at the upper end of the support vertical rod (100), one end of the cantilever rod (200) is movably sleeved and connected with the support vertical rod (100) through a sliding sleeve (210), a semicircular ratchet gear (220) with an upward tooth surface is arranged at the other end of the cantilever rod (200), a U-shaped mounting frame (300) with a downward opening is arranged outside the semicircular ratchet gear (220), the semicircular ratchet gear (220) is located in an inner cavity of the U-shaped mounting frame (300), the semicircular ratchet gear (220) is rotatably mounted with the U-shaped mounting frame (300) through a ratchet gear rotating pin (400) which is transversely arranged, the distance between the axis of the ratchet gear rotating pin (400) and the outer side to the inner side of the arc bottom edge of the U-shaped mounting frame (300) is linearly and gradually increased, and a positioning pawl (500) is meshed above the semicircular ratchet gear (220), location pawl (500) through crossing set up pawl commentaries on classics round pin (600) with U type mounting bracket (300) rotate the installation, the inside wall butt of location pawl (500) is provided with suppress mechanism (700), suppress mechanism (700) and be located pawl commentaries on classics round pin (600) top, the top fixedly connected with of U type mounting bracket (300) pendulum changes handle (310).

2. The ratchet snap-in fastener of claim 1, wherein: the supporting vertical rod (100) is of a square structure, a limiting rivet (110) is arranged at the upper end of the supporting vertical rod (100), and the sliding sleeve (210) is of a square frame structure matched with the supporting vertical rod (100).

3. The ratchet snap-in fastener of claim 1, wherein: suppress mechanism (700) and constitute by compression spring (710) and step fore-set (720), the big footpath end of step fore-set (720) is the button head, the button head with the inside wall looks butt of location pawl (500), compression spring (710) cover is located the path end outer wall of step fore-set (720), the both ends of compression spring (710) respectively the butt in the middle part step face of step fore-set (720) with open in suppress mounting hole (320) on U type mounting bracket (300).

4. The ratchet snap-in fastener of claim 1, wherein: the upper end of the positioning pawl (500) extends outwards to form a release lever (510).

5. The ratchet snap-in fastener of claim 1, wherein: the outer wall lower extreme cover of supporting montant (100) is equipped with holding ring (800), the inner chamber of holding ring (800) through inlay establish the rubber ring with the outer wall of supporting montant (100) closely attaches the cover and cup joints.

6. The ratchet snap-in fastener of claim 1, wherein: the bottom end of the supporting vertical rod (100) is fixedly connected with a platform positioning column (900), and the platform positioning column (900) is composed of a limiting baffle plate (910) and a positioning pin column (920).

7. The ratchet snap-down fastener of claim 6, wherein: the positioning pin column (920) is of a multi-stage step pin structure with a large upper part and a small lower part.