CN215035511U

CN215035511U - Positioning and clamping mechanism and positioning clamp

Info

Publication number: CN215035511U
Application number: CN202120674988.5U
Authority: CN
Inventors: 李国理; 魏日辉; 吴亮
Original assignee: Guangdong Keran Machinery Technology Co ltd
Current assignee: Guangdong Keran Machinery Technology Co ltd
Priority date: 2021-04-01
Filing date: 2021-04-01
Publication date: 2021-12-07
Anticipated expiration: 2031-04-01

Abstract

The utility model discloses a positioning and clamping mechanism, which comprises a mounting plate, a positioning and clamping mechanism and a clamping mechanism, wherein the mounting plate is fixedly connected with a guide pillar extending upwards; the first lifting device is fixedly connected to the mounting plate and provided with a first driving rod which stretches up and down; second elevating gear, it and first actuating lever fixed connection, flexible second actuating lever about second elevating gear is equipped with, second elevating gear fixedly connected with lower plate, and the second actuating lever passes lower plate and fixedly connected with punch holder, and lower plate and equal sliding connection of punch holder are in the guide pillar, and the punch holder is located the below of spacing portion, and spacing portion is used for carrying out the butt with the punch holder. The positioning and clamping mechanism takes the lower bottom surface of the limiting part as an upper and lower positioning reference, and the position of the limiting part is not influenced by the thickness deviation of the door bodies, so that the processing depth of hinge grooves of the door bodies with the same specification can be ensured to be uniform. And simultaneously, the utility model also provides an use above-mentioned location clamping mechanism's positioning fixture.

Description

Positioning and clamping mechanism and positioning clamp

Technical Field

The utility model relates to an anchor clamps field, in particular to location clamping mechanism and positioning fixture.

Background

The hinge is the indispensable hardware fitting of the door body, and under reaching the practical condition, the user often can further pursue pleasing to the eye, can hide the hinge in order to reach the beautification of outward appearance for this reason at the face of a door fluting. In order to form a groove on a door face, the conventional numerical control hinge machine generally uses the opposite side faces of the door face as an up-and-down positioning reference, and for a plurality of door bodies of the same specification, because the thickness of the door bodies has certain deviation, when a milling cutter downwards processes hinge grooves, the deviation can be reflected on the hinge grooves of the door bodies, so that the processing depth of the hinge grooves of the door bodies of the same specification is difficult to be uniform.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a positioning and clamping mechanism to solve one or more of the problems of the prior art and to provide at least one of the advantages of the present invention.

According to the utility model discloses a location clamping mechanism of first aspect embodiment includes:

the mounting plate is fixedly connected with a guide pillar extending upwards, and the upper part of the guide pillar is provided with a limiting part;

the first lifting device is fixedly connected to the mounting plate, a first driving rod extending upwards is arranged on the first lifting device, and the first lifting device drives the first driving rod to lift up and down;

the second lifting device is fixedly connected with the first driving rod, provided with a second driving rod extending upwards, and drives the second driving rod to ascend and descend, the second lifting device is fixedly connected with a lower clamp plate, the second driving rod penetrates through the lower clamp plate and is fixedly connected with an upper clamp plate, the lower clamp plate and the upper clamp plate are both connected with the guide pillar in a sliding mode, the upper clamp plate is located below the limiting portion, and the limiting portion is used for being abutted to the upper clamp plate.

According to the utility model discloses location clamping mechanism has following beneficial effect at least: when a door body needs to be clamped, the door body is firstly placed on the lower clamp plate, the second lifting device drives the second driving rod to move downwards, so that the door body is clamped between the lower clamp plate and the upper clamp plate, the first lifting device drives the first driving rod to move upwards to integrally lift the heights of the second lifting device, the lower clamp plate, the door body and the upper clamp plate until the upper clamp plate is abutted to the lower bottom surface of the limiting part, at the moment, the lower bottom surface of the limiting part serves as an upper and lower positioning reference of the positioning and clamping mechanism, and the position of the limiting part is not influenced by the thickness deviation of the door body, so that the machining depth of hinge grooves of the door bodies of the same specification can be unified.

According to the utility model discloses a some embodiments, in order to make the lower plate with the punch holder can go up and down steadily, the quantity of guide pillar is two, and the quantity of spacing portion also is two this moment equally, and the lower bottom surface of all spacing portions all is in on the same horizontal plane.

According to some embodiments of the present invention, in order to further stabilize the lifting of the lower plate and the upper plate, two the guide pillars are respectively located at both sides of the second lifting device.

According to the utility model discloses a some embodiments, in order to avoid pressing from both sides to hinder the door body, the lower plate with the punch holder all is connected with the cushion, and all cushions all are located the lower plate with between the punch holder.

According to some embodiments of the utility model, in order to balance the clamp force that the door body received, two the cushion is just right each other.

According to the utility model discloses a some embodiments, the lower plate with the guide hole has all been seted up to the punch holder, all install in all guide holes with the guide pillar matches the guide pin bushing that uses, makes the lower plate with the punch holder homoenergetic sliding connection in the guide pillar.

According to some embodiments of the invention, the first lifting device comprises a cylinder, a cylinder or an electric push rod; the second lifting device comprises an air cylinder, an oil cylinder or an electric push rod.

According to the utility model discloses a positioning fixture of second aspect embodiment, including mounting bracket and foretell a plurality of location clamping mechanism, all location clamping mechanism's mounting panel is all controlled the range and is installed on the mounting bracket, the interval sets up about every two adjacent location clamping mechanism, and the lower bottom surface of all spacing portions all is in on the same horizontal plane.

According to the utility model discloses positioning fixture has following beneficial effect at least: all the positioning and clamping mechanisms are used for clamping the upper side face and the lower side face of the door body together and are clamped on one long edge of the door body, and the lower bottom faces of all the limiting parts are located on the same horizontal plane so as to determine the upper positioning reference and the lower positioning reference of the positioning clamp.

According to some embodiments of the present invention, all the lower splints are connected with first positioning portions, the first positioning portions are located between the lower splints and the upper splints, and all the first positioning portions are aligned front and back; the mounting bracket is connected with a plurality of linear expansion devices, each linear expansion device is provided with a driving claw capable of stretching back and forth, the driving claws are used for pushing the door body and pushing one long edge of the door body to be abutted against the first positioning part so as to determine the front and back positioning reference of the positioning clamp.

According to the utility model discloses a some embodiments, both ends all are connected with second location portion about the mounting bracket, after a minor face and one of them second location portion of the door body carry out the butt, location about the second location portion can be controlled the door body to confirm location benchmark about every positioning fixture.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic perspective view of a positioning and clamping mechanism according to an embodiment of the present invention;

fig. 2 is another schematic perspective view of the positioning and clamping mechanism according to the embodiment of the present invention;

FIG. 3 is a rear view of the positioning and clamping mechanism shown in FIG. 1;

FIG. 4 is a right side view of the positioning and clamping mechanism shown in FIG. 1;

fig. 5 is a schematic perspective view of a numerical control hinge machine according to an embodiment of the present invention.

In the drawings: 100-mounting plate, 200-first lifting device, 300-second lifting device, 110-guide column, 111-limiting part, 210-first driving rod, 310-second driving rod, 410-lower clamping plate, 420-upper clamping plate, 401-guide sleeve, 500-door body, 411-cushion block, 600-positioning clamp, 10-positioning clamping mechanism, 610-mounting frame, 611-second positioning part, 412-first positioning part, 612-linear telescopic device and 6121-driving claw.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

As shown in fig. 1 to 3, according to the positioning and clamping mechanism 10 of the embodiment of the first aspect of the present invention, including the mounting plate 100, the first lifting device 200 and the second lifting device 300, two guide pillars 110 extending upwards are fixedly connected to the mounting plate 100, the tops of the two guide pillars 110 are all provided with the limiting portion 111, the size of the limiting portion 111 is larger than that of the guide pillars 110, and the lower bottom surfaces of the two limiting portions 111 are all located on the same horizontal plane. The first lifting device 200 is fixedly connected to the mounting plate 100, the first lifting device 200 is provided with a first driving rod 210 extending upwards, and the first lifting device 200 drives the first driving rod 210 to lift up and down; the second lifting device 300 is fixedly connected to the first driving rod 210, the two guide posts 110 are respectively located at two sides of the second lifting device 300, the second lifting device 300 is provided with a second driving rod 310 extending upwards, the second lifting device 300 drives the second driving rod 310 to lift up and down, the second lifting device 300 is fixedly connected to a lower clamp plate 410, the second driving rod 310 penetrates through the lower clamp plate 410 and is fixedly connected to an upper clamp plate 420, the lower clamp plate 410 and the upper clamp plate 420 are arranged at intervals up and down, guide holes are formed in the lower clamp plate 410 and the upper clamp plate 420, guide sleeves 401 matched with the guide posts 110 are installed in all the guide holes, that is, the lower clamp plate 410 and the upper clamp plate 420 are slidably connected to the guide posts 110, so that the first lifting device 200 can drive the second lifting device 300, the upper clamp plate 420 and the guide posts 410, The lower plate 410 and the upper plate 420 are lifted and lowered together. Since the position of the stopper 111 is not affected by the thickness deviation of the door body 500, in order to enable the positioning and clamping mechanism 10 to use the lower bottom surface of the stopper 111 as the vertical positioning reference, the upper clamp plate 420 needs to be located below the stopper 111, and the guide sleeve 401 of the upper clamp plate 420 is abutted by the stopper 111, so that the upper clamp plate 420 cannot pass over the stopper 111, that is, the lifting path of the upper clamp plate 420 is lower than the stopper 111, to determine the upper limit of the upper clamp plate 420. It is understood that the number of the guide rods may be one, three, etc., without being limited thereto, and the position of the position-limiting portion 111 is not limited to the top of the guide rod as long as the position-limiting portion 111 is located above the upper plate 420; in addition, the first lifting device 200 and the second lifting device 300 include, but are not limited to, an air cylinder, an oil cylinder, or other lifting devices such as an electric push rod, and in this embodiment, both the first lifting device 200 and the second lifting device 300 may be an air cylinder.

By adopting the structure, when the door body 500 needs to be clamped, firstly, the door body 500 is placed on the lower clamp plate 410, the second lifting device 300 drives the second driving rod 310 to move downwards, so that the door body 500 is clamped between the lower clamp plate 410 and the upper clamp plate 420, after that, the first lifting device 200 drives the first driving rod 210 to move upwards, so as to integrally lift the heights of the second lifting device 300, the lower clamp plate 410, the door body 500 and the upper clamp plate 420 until the upper clamp plate 420 is abutted against the lower bottom surface of the limiting part 111, at this time, the lower bottom surface of the limiting part 111 is used as an upper and lower positioning reference for the positioning and clamping mechanism 10, and since the position of the limiting part 111 is not influenced by the thickness deviation of the door body 500, the machining depth of hinge grooves of the door bodies 500 of the same specification can be ensured to be uniform.

As shown in fig. 2 and 4, in some embodiments of the present invention, in order to avoid the door 500 being damaged by the clamp, the lower plate 410 and the upper plate 420 are both connected with a cushion block 411, all cushion blocks 411 are located between the lower plate 410 and the upper plate 420, the cushion block 411 can be selected as a rubber cushion, and in order to balance the clamping force received by the door 500, the two cushion blocks 411 are opposite to each other, so as to avoid the shearing force generated on the door 500.

As shown in fig. 5, the positioning fixture 600 according to the embodiment of the second aspect of the present invention, including the plurality of positioning and clamping mechanisms 10 according to the embodiment of the first aspect of the present invention, further includes a mounting frame 610, the mounting plates 100 of all the positioning and clamping mechanisms 10 are all installed in the left and right sides of the mounting frame 610, the two adjacent positioning and clamping mechanisms 10 are arranged at the left and right sides at intervals, and the lower bottom surfaces of all the limiting portions 111 are all located on the same horizontal plane. Because the hinge slot is arranged on the long edge of the door body 500, the long edge of the door body 500 is placed along the left-right direction, when the positioning fixture 600 clamps the door body 500, all the positioning and clamping mechanisms 10 are used for clamping the upper and lower side faces of the door body 500 together and clamping the rear long edge of the door body 500, so as to determine the upper and lower positioning reference of the positioning fixture 600.

In addition, the left end and the right end of the mounting frame 610 are connected with second positioning portions 611, the second positioning portions 611 can be selected as positioning baffles, and after one short side of the door body 500 abuts against one of the second positioning portions 611, the second positioning portions 611 can position the door body 500 left and right to determine left and right positioning references of the positioning fixture 600. In order to enable the door 500 to abut against any one of the second positioning portions 611, the distance between the two second positioning portions 611 should be greater than the length of the door 500.

As shown in fig. 4 and 5, all the lower plates 410 are connected with first positioning portions 412, the first positioning portions 412 are located between the lower plates 410 and the upper plates 420, and all the first positioning portions 412 are aligned front to back; the first positioning portion 412 can be selected as a roller, and a rotation axis of the roller is parallel to the guide pillar 110, so that the first positioning portion 412 is prevented from wearing the rear long edge of the door body 500. The mounting frame 610 is connected with a plurality of linear expansion devices 612, the linear expansion devices 612 include, but are not limited to, an air cylinder, an oil cylinder, or an electric push rod, and other expansion devices, in this embodiment, the linear expansion device 612 may be an air cylinder, and is provided with a driving claw 6121 capable of extending forward and backward, the driving claw 6121 is located in front of the long side of the door body 500, the driving claw 6121 is used for pushing the door body 600 backward, and pushes the long back side of the door body 500 to abut against the first positioning portion 412, so as to determine the forward and backward positioning reference of the positioning fixture 600. It should be further noted that, in order to avoid interference, before the positioning and clamping mechanism 10 clamps the door 500 up and down, the driving pawl 6121 is reset backwards, so as to prevent the driving pawl 610 from wearing the rear long edge of the door 500 in the process of lifting the door 500.

Up to this point, the up-down positioning reference, the left-right positioning reference and the front-back positioning reference of the positioning fixture 600 are determined, and the positioning fixture 600 can accurately position the door body 500 to determine the processing origin of the door body 500.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. Positioning and clamping mechanism, its characterized in that includes:

the mounting plate (100) is fixedly connected with a guide post (110) extending upwards, and the upper part of the guide post (110) is provided with a limiting part (111);

the first lifting device (200) is fixedly connected to the mounting plate (100), the first lifting device (200) is provided with a first driving rod (210) extending upwards, and the first lifting device (200) drives the first driving rod (210) to lift up and down;

the second lifting device (300) is fixedly connected with the first driving rod (210), the second lifting device (300) is provided with a second driving rod (310) extending upwards, the second lifting device (300) drives the second driving rod (310) to lift up and down, the second lifting device (300) is fixedly connected with a lower clamp plate (410), the second driving rod (310) penetrates through the lower clamp plate (410) and is fixedly connected with an upper clamp plate (420), the lower clamp plate (410) and the upper clamp plate (420) are connected to the guide post (110) in a sliding mode, the upper clamp plate (420) is located below the limiting portion (111), and the limiting portion (111) is used for being abutted to the upper clamp plate (420).

2. The positioning and clamping mechanism of claim 1, wherein: the number of the guide posts (110) is two, and the lower bottom surfaces of all the limiting parts (111) are positioned on the same horizontal plane.

3. The positioning and clamping mechanism of claim 2, wherein: the two guide columns (110) are respectively positioned at two sides of the second lifting device (300).

4. The positioning and clamping mechanism of claim 1, wherein: the lower clamping plate (410) and the upper clamping plate (420) are both connected with cushion blocks (411), and all the cushion blocks (411) are located between the lower clamping plate (410) and the upper clamping plate (420).

5. The positioning and clamping mechanism of claim 4, wherein: the two cushion blocks (411) are opposite to each other.

6. The positioning and clamping mechanism of claim 1, wherein: guide holes are formed in the lower clamping plate (410) and the upper clamping plate (420), and guide sleeves (401) matched with the guide columns (110) for use are mounted in all the guide holes.

7. The positioning and clamping mechanism of claim 1, wherein: the first lifting device (200) comprises an air cylinder, an oil cylinder or an electric push rod; the second lifting device (300) comprises an air cylinder, an oil cylinder or an electric push rod.

8. The positioning jig, characterized by comprising a plurality of positioning and clamping mechanisms according to any one of claims 1 to 7, further comprising: the mounting frame (610) is installed in a left-right arrangement mode on the mounting frame (610) through the mounting plates (100) of all the positioning and clamping mechanisms (10), and the lower bottom surfaces of all the limiting parts (111) are located on the same horizontal plane.

9. The positioning jig of claim 8, wherein: all the lower clamping plates (410) are connected with first positioning parts (412), the first positioning parts (412) are positioned between the lower clamping plates (410) and the upper clamping plates (420), and all the first positioning parts (412) are aligned front to back; the mounting rack (610) is connected with a plurality of linear telescopic devices (612), and each linear telescopic device (612) is provided with a driving claw (6121) capable of stretching back and forth.

10. The positioning jig of claim 8, wherein: the left end and the right end of the mounting frame (610) are both connected with a second positioning part (611).