CN223160770U - Quick fixing mechanism and fixing device - Google Patents

Abstract

The utility model belongs to the field of mechanical processing technology and discloses a quick fixing mechanism and a fixing device. The quick fixing mechanism comprises a base, and the base is provided with two first channels spaced apart in a first direction; fixing holes are opened on the base, and each first channel corresponds to two fixing holes, and the two fixing holes are spaced apart and connected to the first channels, and the fixing holes are configured to be inserted into positioning columns; two push rods are slid in each first channel, and the two push rods can move closer to or farther away from each other between the two fixing holes in the same first channel; a pushing member is configured to make the two push rods in the same first channel move away from each other, and the pushing member can interlock with the base; an elastic member is connected to the pushing member; and the fixing device comprises the above-mentioned quick fixing mechanism, so that devices such as a vise can be quickly fixed and replaced through the quick fixing mechanism.

Description

Quick fixing mechanism and fixing device

Technical Field

The utility model relates to the technical field of machining, in particular to a quick fixing mechanism and a quick fixing device.

Background

The vice is a universal fixture for clamping workpieces, can be arranged on a placing table and is used for clamping and stably processing the workpieces, and is a necessary tool in workshops.

In the prior art, the vice is generally fixed on the fixed base through the Latin fixed column arranged on the vice, so that the vice is convenient to detach and use, but the fixed column in the prior art is not fast and convenient to detach and mount the vice, and the production efficiency can be indirectly influenced.

Disclosure of utility model

The utility model aims to provide a quick fixing mechanism which can quickly install and detach an external workpiece.

To achieve the purpose, the utility model adopts the following technical scheme:

A quick-fix mechanism, comprising:

the base is provided with two first channels which are distributed at intervals along a first direction, the two first channels extend along a second direction, fixing holes are further formed in the base along a direction perpendicular to the first direction and the second direction, each first channel is provided with two corresponding fixing holes, the two fixing holes are arranged on the path of the first channel at intervals and are communicated with the first channels, and the fixing holes are used for being inserted into positioning columns on an external workpiece;

The two ejector rods are arranged in each first channel in a sliding manner, are positioned between the two fixing holes of the same first channel, and can be mutually close to or far away from each other in the same first channel;

The pushing piece is movably arranged on the base, and can push two ejector rods in the same first channel to be away from each other so that the ejector rods can abut against the corresponding positioning columns in the fixing holes, wherein the pushing piece can be interlocked with the base to prevent the two ejector rods from approaching to each other so that the ejector rods can lock the corresponding positioning columns;

The elastic piece is connected with the pushing piece, the pushing piece is used for accumulating potential energy when pushing the two ejector rods to be away from each other, so that the pushing piece has a trend of keeping away from the ejector rods, and when pushing the pushing piece to be away from the ejector rods, the pushing piece drives the two ejector rods in the same first channel to be close to each other to be away from the corresponding positioning columns respectively so as to unlock the positioning columns;

wherein the first direction is perpendicular to the second direction.

In some embodiments, the base is further provided with a second channel, the second channel is arranged between the two first channels along the first direction, the first channels are communicated with the second channels, the pushing piece comprises two pushing rods sliding along the first channels, the two pushing rods can push the ejector rod in the sliding process, and the pushing rods can be locked in the second channels.

In some embodiments, the base is further provided with a third channel, the third channel is arranged between the two first channels along the second direction, the third channel is communicated with the second channel, the pushing piece further comprises a limiting rod, the limiting rod is movably arranged in the third channel, the first end of the limiting rod can push the push rod to move against the two push rods so that the push rod can push the push rod, and the limiting rod can be locked in the third channel so that the push rod can be locked in the second channel.

In some embodiments, the stop bar is capable of interlocking with an inner wall of the third channel.

In some embodiments, an end of the third channel away from the second channel penetrates through the base, and the limiting rod is in threaded connection with the inner wall of the third channel.

In some embodiments, the outer wall of the push rod is provided with a cam groove, one end of the push rod away from the fixing hole is provided with an inclined surface matched with the cam groove, and when the push rod slides along the second channel, the end part of the push rod can enter and exit the cam groove.

In some embodiments, the notch of the cam groove is an inclined notch inclined toward one end of the two push rods close to each other.

In some embodiments, each of the push rods corresponds to one of the elastic members, a first end of the elastic member is connected to an end of the push rod away from each other, and a second end of the elastic member is connected to the base.

In some embodiments, the second channel penetrates through the base, a detachable blocking piece is arranged in the second channel, the elastic piece is arranged in the second channel, and the second end of the elastic piece is connected to the blocking piece.

There is also provided a fixing device comprising a quick fixing mechanism as described above and a placing table, the quick fixing mechanism being position-adjustably disposed on the placing table.

The utility model has the beneficial effects that:

The fixing column is inserted into the fixing hole, then the ejector rods in the first channel can be pushed by the pushing piece, so that the two ejector rods in the same first channel are far away from each other to abut against the positioning column in the fixing hole, and then the pushing piece is interlocked with the base, so that the ejector rods lock the positioning column in the fixing hole; because the pushing piece moves towards the direction of keeping away from the ejector pin, the potential energy can be accumulated in the in-process elastic piece that the pushing piece promotes the ejector pin to keep away from each other, the elastic piece can make the ejector pin be close to each other in order to keep away from corresponding reference column each, thereby when fixed outside work piece is removed to needs, only need remove the interlocking of pushing piece and base, the elastic piece accumulates the potential energy and can promote the ejector pin to be close to each other and keep away from the fixed orifices, thereby can make the reference column break away from in the fixed orifices, the unblock reference column, and then can conveniently carry out quick fixed and convenient change, promote efficiency.

Drawings

FIG. 1 is a schematic view of a quick-fix mechanism in an embodiment of the utility model;

FIG. 2 is a schematic illustration of the quick-attach mechanism with the upper base removed in an embodiment of the present utility model;

FIG. 3 is a schematic view of a carrier rod and a pusher according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a fixture vise in accordance with an embodiment of the present utility model.

In the figure:

10. A quick fixing mechanism;

1. the device comprises a base, an upper base, 12, a lower base, 13, a first channel, 14, a fixed hole, 15, a second channel, 16 and a third channel;

4. A push rod;

5. The device comprises a pushing piece, a pushing rod, 511, a wedge groove, 52, a limit rod, 521, a rod part, 522, a screwing part, 523 and a screwing hole;

6. an elastic member;

7. A blocking member;

20. Positioning column, 30, placing table, 40 and vice.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may, for example, be fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, directly connected, indirectly connected through an intervening medium, or in communication between two elements or in an interaction relationship between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", etc., azimuth or positional relationship are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of description and simplification of operations, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

As shown in fig. 1 to 3, the utility model provides a quick fixing mechanism 10, which comprises a base 1, ejector rods 4, pushing pieces 5 and elastic pieces 6, wherein the base 1 is provided with two first channels 13 which are distributed at intervals along a first direction, the two first channels 13 extend along a second direction, the base 1 is further provided with fixing holes 14 along a direction perpendicular to the first direction and the second direction, each first channel 13 is provided with two fixing holes 14 in a corresponding way, the two fixing holes 14 are arranged on the paths of the first channels 13 at intervals and are communicated with the first channels 13, the fixing holes 14 are used for plugging positioning columns 20 on an external workpiece, each first channel 13 is internally provided with two ejector rods 4 in a sliding way, the two ejector rods 4 are positioned between the two fixing holes 14 of the same first channel 13, the two ejector rods 4 can be mutually close to or far away from each other in the same first channel 13, the pushing pieces 5 are movably arranged on the base 1, the pushing pieces 5 can push the two ejector rods 4 in the same first channel 13 to be mutually far away from each other, so that when the two corresponding ejector rods 4 can push the corresponding positioning columns 20 in the first channels 20 are mutually far away from each other, and the elastic pieces 20 are mutually locked, and when the two positioning columns 20 are mutually far away from the corresponding positioning columns 20 are mutually locked, and the elastic pieces 20 are mutually far away from each other, and when the positioning columns 20 are mutually locked, and the elastic pieces 20 are mutually far away from the corresponding positioning columns 20.

With the above structure, when the external workpiece or device provided with the positioning column 20 such as the vice 40 is fixed, the fixing column is only required to be inserted into the fixing hole 14, then the push piece 5 can push the push rods 4 positioned in the first channel 13, so that the two push rods 4 positioned in the same first channel 13 are mutually far away from and abut against the positioning column 20 positioned in the fixing hole 14, then the push piece 5 is interlocked with the base 1, so that the push rods 4 are locked on the positioning column 20 positioned in the fixing hole 14, and when the push piece 5 moves in the direction far away from the push rods 4, the elastic piece 6 can accumulate potential energy in the process that the push pieces 5 push the push rods 4 mutually far away, and then the elastic piece 6 can enable the push rods 4 to mutually approach each other so as to be far away from the corresponding positioning column 20, so that when the external workpiece is required to be released, the interlocking of the push pieces 5 and the base 1 is only required to be released, the potential energy is accumulated by the elastic piece 6 so that the push rods 4 can be mutually close to each other and far away from the fixing hole 14, and the positioning column 20 in the fixing hole 14 is separated, and the positioning column 20 is unlocked, so that quick replacement can be convenient, and the efficiency is improved.

The first direction is the X direction in fig. 2, the second direction is the Y direction in fig. 2, and the vertical direction is the direction perpendicular to the XY plane.

When the fixed device is a vice 40, the fixing column on the vice 40 is generally a latin, and the periphery of the latin is provided with a groove, so that the ejector rod 4 can be abutted against and fixed to the fixing column for convenience, and in some embodiments, one end of the ejector rod 4 facing the fixing hole 14 is a tip, so that the ejector rod can be embedded into the groove of the latin for convenience in fixing. Illustratively, the end of the ejector pin 4 facing the fixing hole 14 is provided with two inclined surfaces, so that the ejector pin 4 forms a tip by the inclined surfaces. It will be appreciated that in other embodiments, the end of the carrier rod 4 facing the mounting hole 14 may have a different mating configuration than the tip, depending on the configuration of the positioning post 20 on the different work pieces or devices.

As shown in fig. 2, in some embodiments, the base 1 is further provided with a second channel 15, the second channel 15 is disposed between the two first channels 13, the second channel 15 is disposed extending along the first direction and is communicated with the two first channels 13, and the pushing member 5 includes two pushing rods 51 slidably disposed in the second channel 15, so that, by the two pushing rods 51 being far away from each other, one end of the two pushing rods 51 far away from each other abuts against one end of the two push rods 4 facing each other in the first channel 13, thereby keeping the two push rods 4 far away from each other, and when the pushing rods 51 push the push rods 4 to move to the corresponding positioning posts 20, the pushing rods 51 can be locked in the second channels 15, so that the push rods 4 lock the positioning posts 20 in the corresponding fixing holes 14, and the pushing rods 51 simultaneously push the two push rods 4, so as to maintain the consistency of the fixing action.

As shown in fig. 2 and 3, in order to smoothly enable the push rods 51 to approach or separate from each other and to enable the push rods 51 to maintain a locked state in the second channel 15, in some embodiments, the base 1 is further provided with a third channel 16, the third channel 16 is disposed between the two first channels 13 and extends in the second direction to communicate with the second channel 15, the pusher 5 further includes a stopper rod 52, the stopper rod 52 moves along the third channel 16, so that when the stopper rod 52 enters the second channel 15, the first ends of the stopper rod 52 can abut against the two push rods 51 located in the second channel 15 to enable the two push rods 51 to separate from each other and further enable the push rods 51 to push the push rods 4, and the stopper rod 52 can be locked in the third channel 16 to enable the push rods 51 to be locked in the second channel 15, the push rods 4 lock the positioning posts 20 in the corresponding fixing holes 14, and when the stopper rod 52 is unlocked and the first ends of the stopper rod 52 are in the second channel 15, the two push rods 51 have spaces to be separated from each other, so that the movement of the two push rods 51 can be synchronously pushed in the fourth channel 4 by the control space between the two push rods 13. Further, since the first end of the stop lever 52 needs to abut against or separate from the two push rods 51, in order to avoid unnecessary blocking, the first end of the stop lever 52 and the two push rods 51 are tapered heads at the opposite ends, so that the surfaces of the outer Zhou Yuanhua of the tapered heads are contacted, and hard contact blocking is avoided.

As further shown in fig. 2 and 3, based on the movement of the push rod 51 by the stop lever 52, in some embodiments, the stop lever 52 can interlock with an inner wall of the third channel 16, thereby maintaining the stop lever 52 in a locked position within the third channel 16 and thus maintaining the push rod 51 in a locked position. Specifically, one end of the third channel 16 far away from the second channel 15 penetrates through the base 1, the limiting rod 52 is provided with a first thread, the inner wall of the third channel 16 is provided with a second thread matched with the first thread, so that the limiting rod 52 can be screwed on the inner wall of the third channel 16, when the limiting rod 52 needs to be moved, the limiting rod 52 is only required to be screwed, that is, the limiting rod 52 is interlocked through the threads, the limiting rod 52 is kept at a locking position, and the screwing mode also enables the fixing operation to be more convenient and quicker. Here, since the stopper rod 52 is rotated when pushing against the push rod 51, the stopper rod 52 is a round rod to avoid seizing. Further, the third channel 16 includes a large diameter section and a small diameter section, the small diameter section is communicated with the second channel 15, the large diameter section penetrates through the base 1, the second thread is arranged on the large diameter section, the limit rod 52 includes a coaxial rod portion 521 and a screwing portion 522, the screwing portion 522 abuts against one end of the rod portion 521, the outer diameter of the rod portion 521 is matched with the small diameter section, the outer diameter of the screwing portion 522 is matched with the large diameter section, the first thread is arranged on the outer periphery of the screwing portion 522, and a screwing hole 523 is formed in the end portion, away from the rod portion 521, of the screwing portion 522, so that screwing of the limit rod 52 is facilitated. The arrangement of the large diameter section and the small diameter section can prevent the limit lever 52 from being excessively screwed into the base 1.

As further shown in fig. 2 and 3, in order to enable the push rod 51 to smoothly push the push rod 4 in the moving process of the second channel 15, in some embodiments, a tapered wedge groove 511 is formed in the outer peripheral wall of the push rod 51, a notch of the tapered wedge groove 511 is located at one side facing the fixed hole 14, two inclined planes facing away from each other are formed at one end of the push rod 4 facing the push rod 51, the two inclined planes are in fit and abutting contact with the inner wall of the tapered wedge groove 511, so that the inner wall of the tapered wedge groove 511 abuts against the inclined plane of the push rod 4 in the moving process of the push rod 51, and then the end of the push rod 4 slides out of the tapered wedge groove 511 along the inner wall of the tapered wedge groove 511, and then the end of the push rod 4 slides into or moves out of the tapered wedge groove 511 along the inner wall of the tapered wedge groove 511 through the inclined plane, and then the push rod 4 is driven to approach or separate from the fixed hole 14 through the moving of the push rod 4 into or out of the tapered wedge groove 511. Further, the notch of the wedge groove 511 is an inclined notch inclined to one end of the two push rods 51 close to each other, so that the end of the push rod 4 can get in and out more smoothly, and the blocking phenomenon is avoided.

In alternative embodiments, not shown, the end of the two push rods 4 close to each other and the end of the two push rods 51 distant from each other may be tapered, so that the push rods 51 are inserted between the two push rods 4 to abut against the positioning posts 20, and the push rods 4 are separated from the two push rods 4 by the push rods 51 to have a space away from the positioning posts 20.

In some embodiments, the elastic member 6 may be connected to the ends of the two ejector pins 4 located in the same first channel 13 and close to each other, so that when the two ejector pins 4 move toward the fixing hole 14, the elastic member 6 can be stretched to store elastic potential energy, and the push rod 51 is far away from the two ejector pins 4, so that after the two ejector pins 4 have a space separated from the positioning column 20, the elastic member 6 makes the two ejector pins 4 close to each other through the stored elastic potential energy. The elastic member 6 includes, but is not limited to, a spring.

As further shown in fig. 2, in other embodiments, the second channel 15 penetrates through the base 1, and a detachable plugging member 7 is disposed at an end of the second channel 15, and illustratively, the manner in which the plugging member 7 is detachably connected to the second channel 15 is not specifically limited, and a screw connection or a clamping connection may be adopted. The elastic piece 6 is arranged in the second channel 15, the second end of the elastic piece 6 is connected to the plugging piece 7, the first end of the elastic piece 6 can be connected to one end of one push rod 51 far away from the other push rod 51, the two push rods 51 are respectively connected with the elastic piece 6, and correspondingly, the plugging piece 7 is also provided with two push rods, so that the elastic piece 6 can be extruded by the push rods 51 in the process that the push rods 51 are far away from each other to push the push rods 4, elastic potential energy is accumulated by the elastic piece 6, after the limiting rod 52 leaves the two push rods 51, the elastic piece 6 enables the two push rods 51 to be close through the accumulated elastic potential energy, and then in the process that the push rods 51 are close to each other, the inclined surface of the push rods 4 can be propped against through the inner wall of the inclined wedge groove 511, and the end part of the push rods 4 can be quickly returned into the inclined wedge groove 511. In the present embodiment, the elastic member 6 is disposed in the second channel 15, so that the size of the elastic member 6 can be properly increased, and the service life of the elastic member 6 can be prolonged.

As shown in fig. 1 and 2, in some embodiments, the base 1 is divided into an upper base 11 and a lower base 12 along a vertical direction, and a part of the first channel 13, the second channel 15, the third channel 16 and the fixing hole 14 is disposed on the upper base 11, and the other part is disposed on the lower base 12, so that when the upper base 11 and the lower base 12 are assembled to form the base 1, the first channel 13, the second channel 15, the third channel 16 and the fixing hole 14 are assembled completely. By adopting the split type base 1, the push rod 4, the push rod 51 and other parts can be conveniently replaced and maintained. Illustratively, the upper base 11 and the lower base 12 may be connected by bolts or rivets.

As shown in fig. 4, the present utility model further includes a fixing device, which includes a placement table 30 and the above-mentioned quick-fixing mechanism 10, wherein the quick-fixing mechanism 10 is adjustably disposed on the placement table 30, and it is understood that the placement table 30 may be a workbench of a machine tool, and the above-mentioned position is adjustable, but not limited to, including translation or rotation of the quick-fixing mechanism 10 on the placement table 30, and particularly not limited thereto, so that devices such as the vice 40 may be quickly fixed and replaced by the quick-fixing mechanism 10.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. Quick fixed establishment, its characterized in that includes:

the base (1) is provided with two first channels (13) which are distributed at intervals along a first direction, the two first channels (13) extend along a second direction, the base (1) is also provided with fixing holes (14) along a direction perpendicular to the first direction and the second direction, each first channel (13) is correspondingly provided with two fixing holes (14), the two fixing holes (14) are arranged on the path of the first channel (13) at intervals and are communicated with the first channel (13), and the fixing holes (14) are used for being inserted into positioning columns (20) on an external workpiece;

The ejector rods (4) are slidably arranged in each first channel (13), the two ejector rods (4) are positioned between the two fixing holes (14) of the same first channel (13), and in the same first channel (13), the two ejector rods (4) can be mutually close to or far away from each other;

The pushing piece (5) is movably arranged on the base (1), the pushing piece (5) can push two ejector rods (4) in the same first channel (13) to be away from each other so that the ejector rods (4) can abut against the positioning columns (20) in the corresponding fixing holes (14), and the pushing piece (5) can be interlocked with the base (1) to prevent the two ejector rods (4) from approaching each other so that the ejector rods (4) can lock the corresponding positioning columns (20);

The elastic piece (6), the elastic piece (6) is connected with the pushing piece (5), when the pushing piece (5) pushes the two ejector rods (4) to be far away from each other, the elastic piece (6) accumulates potential energy, so that the pushing piece (5) has a trend of keeping far away from the ejector rods (4), when the elastic piece (6) pushes the pushing piece (5) to be far away from the ejector rods (4), the pushing piece (5) drives the two ejector rods (4) in the same first channel (13) to be close to each other so as to be far away from the corresponding positioning columns (20) respectively, and the positioning columns (20) are unlocked;

wherein the first direction is perpendicular to the second direction.

2. The quick-fixing mechanism according to claim 1, wherein the base (1) is further provided with a second channel (15), the second channel (15) is arranged between the two first channels (13) along the first direction, the first channels (13) are communicated with the second channels (15), the pushing member (5) comprises two pushing rods (51) sliding along the first channels (13), the two pushing rods (51) can push the push rod (4) in the sliding process, and the pushing rods (51) can be locked in the second channels (15).

3. The quick fixing mechanism according to claim 2, wherein the base (1) is further provided with a third channel (16), the third channel (16) is arranged between the two first channels (13) along the second direction, the third channel (16) is communicated with the second channel (15), the pushing piece (5) further comprises a limiting rod (52), the limiting rod (52) is movably arranged in the third channel (16), the first end of the limiting rod (52) can be abutted against the two pushing rods (51) and pushes the pushing rods (51) to move so that the pushing rods (51) can push the pushing rods (4), and the limiting rod (52) can be locked in the third channel (16) so that the pushing rods (51) can be locked in the second channels (15).

4. A quick-action fastening mechanism as claimed in claim 3, wherein the stop lever (52) is capable of interlocking with the inner wall of the third channel (16).

5. The quick-action fastening mechanism as claimed in claim 4, wherein the end of the third channel (16) remote from the second channel (15) extends through the base (1), and the stop lever (52) is screwed to the inner wall of the third channel (16).

6. The quick fixing mechanism according to claim 2, wherein the outer wall of the push rod (51) is provided with a cam groove (511), one end of the push rod (4) away from the fixing hole (14) is provided with an inclined surface matched with the cam groove (511), and when the push rod (51) slides along the second channel (15), the end part of the push rod (4) can enter and exit the cam groove (511).

7. The quick-action fastening mechanism of claim 6, wherein the notch of the cam groove (511) is an inclined notch inclined toward one end of the two push rods (51) toward each other.

8. The quick-action fastening mechanism according to claim 2, wherein each push rod (51) corresponds to one of the elastic elements (6), a first end of the elastic element (6) being connected to an end of the push rods (51) remote from each other, and a second end of the elastic element (6) being connected to the base (1).

9. The quick-fixing mechanism according to claim 8, wherein the second channel (15) penetrates through the base (1), a detachable blocking piece (7) is arranged in the second channel (15), the elastic piece (6) is arranged in the second channel (15), and the second end of the elastic piece (6) is connected to the blocking piece (7).

10. Fixing device, characterized in that it comprises a quick-fixing mechanism (10) according to any one of claims 1-9 and a placement table (30), said quick-fixing mechanism (10) being arranged on said placement table (30) in a position-adjustable manner.