CN217344599U

CN217344599U - Positioning and pressing device for expansion pin

Info

Publication number: CN217344599U
Application number: CN202220364696.6U
Authority: CN
Inventors: 陈景峰; 郑媛媛; 鲍佳捷
Original assignee: Master Lightweight Technology Tianjin Co ltd
Current assignee: Master Lightweight Technology Tianjin Co ltd
Priority date: 2022-02-22
Filing date: 2022-02-22
Publication date: 2022-09-02
Anticipated expiration: 2032-02-22

Abstract

The utility model relates to a pin expansion positioning and compressing device, which comprises a cylinder driving mechanism, a frame, a positioning base, a first connecting rod, a second connecting rod, a first zigzag pressure rod, a second zigzag pressure rod and a second connecting shaft; the cylinder driving mechanism and the positioning base are respectively and mechanically connected with the frame, the cylinder driving mechanism is provided with a driving block and can move, the frame is of a cavity structure, the first connecting rod and the second connecting rod are respectively hinged with the driving block, the first connecting rod is hinged with the first zigzag pressing rod, the second connecting rod is hinged with the second zigzag pressing rod, the first zigzag pressing rod and the second zigzag pressing rod are hinged through the second connecting shaft, and the first zigzag pressing rod and the second zigzag pressing rod can extend out or retract into the positioning base to realize positioning, clamping and loosening operations of workpieces. The utility model relates to a rationally, simple structure, the integrated level is high, has reduced and has compressed tightly unit quantity, has saved the cost, and occupation space is little, is fit for the location of the multiple spare part of user and compresses tightly the demand.

Description

Positioning and pressing device for expansion pin

Technical Field

The utility model relates to an automobile body spare part processing technology field especially relates to a round pin location closing device rises.

Background

In the technical field of machining and manufacturing, particularly in the manufacturing industries of automobiles, ships, aerospace, large machines and the like, the parts of automobile bodies need to be positioned and pressed frequently in a production line so as to perform operations such as reprocessing, riveting, welding and the like, for many parts with irregular shapes, a special positioning and clamping device needs to be designed and produced in most cases, a plurality of pressing units or a plurality of cylinders are used for multi-point positioning and pressing, the tool design is complex, a large operating space is occupied, and the cost is high, so that a new positioning and pressing device is needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a round pin location closing device rises, the motion through two zigzag depression bars of drive realizes the location to the work piece and compresses tightly that the integrated level is high, has saved operating space, is fit for the multiple demand of user.

In order to achieve the above object, the utility model provides an expanding pin positioning and compressing device, include: the device comprises an air cylinder driving mechanism, a frame, a positioning base, a first connecting rod, a second connecting rod, a first zigzag pressure rod, a second zigzag pressure rod and a second connecting shaft; the cylinder driving mechanism and the positioning base are respectively mechanically connected with the frame, the cylinder driving mechanism is provided with a driving block and can drive the driving block to perform telescopic motion, the frame is of a cavity structure and is provided with a first cavity, the driving block, the first connecting rod and the second connecting rod are respectively arranged in the first cavity, one end of the first connecting rod and one end of the second connecting rod are respectively hinged with the driving block, the other end of the first connecting rod is hinged with one end of the first zigzag rod, the other end of the second connecting rod is hinged with one end of the second zigzag rod, the first zigzag rod and the second zigzag rod are hinged through the second connecting shaft, the second connecting shaft is fixed on the frame, and the first zigzag rod and the second zigzag rod can extend out of or retract into the positioning base under the driving of the cylinder driving mechanism to realize the purpose of extending or retracting the positioning base to a workpiece Positioning, clamping and unclamping operations.

Furthermore, the positioning base is provided with a first pressure lever opening, a second cavity, and a second opening, the first zigzag pressure lever can pass through the second opening and the second cavity and be exposed from the first pressure lever opening, and the second zigzag pressure lever can pass through the second opening and the second cavity and be exposed from the second pressure lever opening.

Further, the positioning base 3 is also provided with a positioning table, and the positioning table can be in positioning contact connection with the workpiece.

Further, the frame is also provided with two first openings, and the two first openings are respectively arranged on the opposite side faces of the frame and used for avoiding movement interference.

Optionally, the method further comprises: the adjusting gasket is arranged between the frame and the positioning base and used for adjusting the position of the positioning base.

Further, still include: and the fixed connecting seat is mechanically connected with the frame and is used for fixing the position of the expanding pin positioning and pressing device.

Further, the first connecting rod and the second connecting rod are equal in length.

The utility model provides a round pin location closing device rises beneficial effect does: the utility model relates to a rationally, simple structure moves through using two zigzag depression bars of cylinder actuating mechanism drive, makes it can stretch out or return the opening position that contracts the location base, realizes getting the effect of putting, fixing a position and compressing tightly the work piece, and the integrated level is high, has reduced and has compressed tightly unit quantity, has saved the cost, and economic nature is good, and occupation space is little, and is simple reliable, can be fit for the location of the multiple spare part of user and compress tightly the demand through the adjustment of adjusting shim.

Drawings

To illustrate the technical solutions of the embodiments of the present invention more clearly, the drawings of the embodiments will be briefly described below, and it is obvious that the drawings in the following description only relate to some embodiments of the present invention, and are not intended to limit the present invention.

Fig. 1 is a schematic view of a three-dimensional structure of a pin expanding positioning and pressing device provided in an embodiment of the present invention;

fig. 2 is a right side view of the expanding pin positioning and pressing device provided in the embodiment of the present invention;

fig. 3 is an exploded perspective view of a pin expanding positioning and pressing device provided in an embodiment of the present invention;

fig. 4 is a schematic view of a three-dimensional structure of a positioning base provided in an embodiment of the present invention;

fig. 5 is a schematic view of an internal three-dimensional structure of the expanding pin positioning and pressing device provided by the embodiment of the present invention.

In the figure:

1. driving by using an air cylinder; 101. a drive block; 2. a frame; 201. a first cavity; 202. a first opening; 203. a second opening; 3. positioning a base; 301. a positioning table; 302. a first compression bar opening; 303. a second compression bar opening; 304. a second cavity; 4. a first link; 5. a second link; 6. a first zigzag lever; 7. a second zigzag lever; 8. adjusting the gasket; 9. a first connecting shaft; 10. a second connecting shaft; 11. and fixing the connecting seat.

Detailed Description

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined below to clearly and completely describe the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.

Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do 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. Furthermore, the terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the utility model can be understood in specific cases to those of ordinary skill in the art.

The following describes in detail an expanding pin positioning and pressing device according to an embodiment of the present invention with reference to the accompanying drawings.

Examples

Fig. 1 shows a schematic view of a three-dimensional structure of a pin expanding positioning and pressing device provided by an embodiment of the present invention;

fig. 2 is a right side view of a pin expanding positioning and pressing device provided by an embodiment of the present invention; fig. 3 is an exploded perspective view of a pin expanding positioning and pressing device provided in an embodiment of the present invention; fig. 4 shows a schematic view of a three-dimensional structure of a positioning base provided by an embodiment of the present invention; fig. 5 shows an inside three-dimensional structure schematic diagram of the expanding pin positioning and pressing device provided by the embodiment of the utility model. As shown in fig. 1 to 5, the embodiment of the utility model provides a pair of rise round pin location closing device, mainly used fixes a position and compresses tightly automobile body spare part, is particularly useful for the foraminiferous automobile body spare part of the anomalous appearance to utilize the hole on the anomalous automobile body spare part to fix a position, mainly include: the device comprises an air cylinder driving mechanism 1, a frame 2, a positioning base 3, a first connecting rod 4, a second connecting rod 5, a first zigzag pressure rod 6, a second zigzag pressure rod 7 and a second connecting shaft 10; specifically, the cylinder driving mechanism 1 and the positioning base 3 are respectively mechanically connected with the frame 2, the embodiment in fig. 1 shows the relative positions of the above components, the cylinder driving mechanism 1 and the positioning base 3 are respectively located at the lower part and the upper part of the frame 2, the cylinder driving mechanism 1 is provided with a driving block 101 and can drive the driving block 101 to move up and down, a piston rod in the cylinder driving mechanism 1 is driven to move by controlling the gas supply and the gas pressure of the cylinder driving mechanism 1, and the piston rod is mechanically connected with the driving block 101, so that the driving block 101 can move up and down; the frame 2 is a cavity structure and is provided with a first cavity 201, and the driving block 101, the first connecting rod 4 and the second connecting rod 5 are respectively arranged in the first cavity 201, so that parts of some moving mechanisms in the pin expansion positioning and pressing device are positioned in the first cavity 201, the space is greatly saved, and the pin expansion positioning and pressing device can occupy smaller space. Secondly, one end of a first connecting rod 4 and one end of a second connecting rod 5 are respectively hinged with a driving block 101 through a first connecting shaft 9, the other end of the first connecting rod 4 is hinged with one end of a first zigzag pressure rod 6, the other end of the second connecting rod 5 is hinged with one end of a second zigzag pressure rod 7, the first zigzag pressure rod 6 and the second zigzag pressure rod 7 are hinged through a second connecting shaft 10, the first connecting rod 4 and the second connecting rod 5 are equal in length, so that the first connecting rod 4, the second connecting rod 5, the first zigzag pressure rod 6 and the second zigzag pressure rod 7 form a movable quadrilateral connecting rod structure, the second connecting shaft 10 is fixed on the frame 2, the first zigzag pressure rod 6 and the second zigzag pressure rod 7 form a lever mechanism, and the first zigzag pressure rod 6 and the second zigzag pressure rod 7 are driven by the cylinder driving mechanism 1 to pull the first connecting rod 4, the second zigzag pressure rod 7, The second connecting rod 5 respectively drives one ends of the first zigzag pressure rod 6 and the second zigzag pressure rod 7 to move, the first zigzag pressure rod 6 and the second zigzag pressure rod 7 are hinged with the frame 2 through a second connecting shaft 10, so that the first zigzag pressure rod 6 and the second zigzag pressure rod 7 can swing left and right, and the other ends of the first zigzag pressure rod 6 and the second zigzag pressure rod 7 can extend out of or retract into the positioning base 3 to position, clamp and release a workpiece; the other end of the first zigzag pressure rod 6 and the other end of the second zigzag pressure rod 7 are respectively provided with a pressing part, the shape of the pressing part can be correspondingly adjusted according to the positioning surface of the pressed automobile part, the positioning surface of the automobile part can be a plane, an inclined plane, a curved surface and the like, and the pressing part is only required to be matched with the surface type of the positioning surface of the automobile part.

The embodiment of the utility model provides an among the round pin location closing device that rises, location base 3 is provided with first depression bar opening 302, second depression bar opening 303, second cavity 304, frame 2 is provided with second opening 203, wherein, second opening 203 corresponds with the position of second opening 203, like this, in figure 1 of embodiment, when drive block 101 upward movement, first zigzag depression bar 6 can pass second opening 203, second cavity 304 and expose from first depression bar opening 302, second zigzag depression bar 7 can pass second opening 203, second cavity 304 and expose from second depression bar opening 303, thereby utilize first zigzag depression bar 6, second zigzag depression bar 7 can compress tightly spare part; when the driving block 101 moves downwards, the first zigzag pressure rod 6 and the second zigzag pressure rod 7 can retract into the positioning base 3, so that the parts can be loosened and taken down, the interference on taking and placing the parts is avoided, and the replacement and the transfer of the subsequent parts are facilitated; the embodiment of the utility model provides an in, conical shape has been set to on the upper portion of location base 3, be convenient for with the work piece centering and place the work piece, of course, also can set to other if: cylindrical shapes, etc., including but not limited to those described above, are not intended to limit the present invention.

In the positioning and pressing device for the expanding pin, which is provided by the embodiment of the utility model, the positioning base 3 is also provided with the positioning table 301, the positioning table 301 can be in positioning contact connection with a workpiece, and the side surface or the top surface of the positioning table 301 is in contact with the corresponding surface on the automobile part and is positioned, so that the relative position of the automobile part is accurately determined; wherein, the side surface or the top surface of the positioning table 301 can be replaced by the corresponding positioning base 3 according to the shape of the contact part of the workpiece, such as: when the workpiece is in contact with the inclined surface, the top surface of the positioning table 301 may be made into the shape of the inclined surface, and fig. 1 of the embodiment of the present invention shows an inclined surface form; of course, if the contact surface of the workpiece is flat, the positioning base 3 having a structure in which the top surface of the positioning table 301 is flat is also selected accordingly.

The embodiment of the utility model provides an among the round pin location closing device rises, frame 2 is provided with first opening 202 two, two first openings 202 set up respectively and are used for avoiding the motion to interfere on the side that frame 2 is relative, thereby drive block 101 drives first connecting rod 4 like this, the second connecting rod 5, first zigzag depression bar 6, thereby avoid bumping frame 2 and lead to the fact the stroke restriction when second zigzag depression bar 7 moves, this also makes the realization that utilizes less volume's frame 2 compress tightly the purpose to the work piece location, material and operating space have been saved.

The embodiment of the utility model provides an among the round pin location closing device that rises, optionally, still include: the adjusting gaskets 8 are arranged between the frame 2 and the positioning base 3 and used for adjusting the position of the positioning base 3, and the number of the adjusting gaskets 8 can be zero, one or more, so that the adjusting gaskets 8 can be adapted to workpieces of different specifications, and the universality is improved; of course, the use of the adjusting shim 8 may be dispensed with at this point, if the use of the adjusting shim 8 is not required.

The embodiment of the utility model provides an among the round pin location closing device rises, still include: the fixed connection seat 11, fixed connection seat 11 and frame 2 carry out mechanical connection and are used for rising the rigidity of round pin location closing device, generally speaking, through fixing fixed connection seat 11 on the workstation to the realization rises round pin location closing device's fixed position.

Compared with the prior art, the utility model provides a round pin location closing device rises reasonable in design, moreover, the steam generator is simple in structure, move through using 1 two zigzag depression bars of cylinder actuating mechanism drive, make it stretch out or return the opening position that contracts the location base, the realization is got and is put, the effect of location and compress tightly the work piece, the integrated level is high, the use quantity that compresses tightly the unit has been reduced, the cost is saved, high economical efficiency, occupation space is little, and is simple and reliable, the location that can be fit for the multiple spare part of user through adjusting shim 8's adjustment and the demand that compresses tightly, can be extensive use in the manufacturing industries such as car, boats and ships, aerospace, large-scale machinery.

The following points need to be explained:

(1) unless otherwise defined, the same reference numerals in the embodiments and drawings of the present invention represent the same meanings.

(2) The embodiment of the present invention is only related to the structure related to the embodiment of the present invention, and other structures can refer to the common design.

(3) In the drawings, which are used to describe embodiments of the present invention for purposes of clarity, certain features may be exaggerated or minimized in the drawings, i.e., the drawings are not necessarily drawn to scale.

(4) Without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other to arrive at new embodiments.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a rise round pin location closing device which characterized in that includes: the device comprises an air cylinder driving mechanism (1), a frame (2), a positioning base (3), a first connecting rod (4), a second connecting rod (5), a first zigzag pressure rod (6), a second zigzag pressure rod (7) and a second connecting shaft (10); the cylinder driving mechanism (1) and the positioning base (3) are respectively mechanically connected with the frame (2), the cylinder driving mechanism (1) is provided with a driving block (101) and can drive the driving block (101) to move, the frame (2) is of a cavity structure and is provided with a first cavity (201), the driving block (101), the first connecting rod (4) and the second connecting rod (5) are respectively arranged in the first cavity (201), one end of the first connecting rod (4) and one end of the second connecting rod (5) are respectively hinged with the driving block (101), the other end of the first connecting rod (4) is hinged with one end of the first zigzag rod (6), the other end of the second connecting rod (5) is hinged with one end of the second zigzag rod (7), and the first zigzag rod (6) and the second zigzag rod (6) are respectively, The second zigzag pressure rod (7) is hinged through the second connecting shaft (10), the second connecting shaft (10) is fixed on the frame (2), and the first zigzag pressure rod (6) and the second zigzag pressure rod (7) can extend out or retract into the positioning base (3) under the driving of the cylinder driving mechanism (1) to realize the positioning clamping and loosening operation of workpieces.

2. The dowel positioning and pressing device according to claim 1, wherein the positioning base (3) is provided with a first pressure rod opening (302), a second pressure rod opening (303) and a second cavity (304), the frame (2) is further provided with a second opening (203), the first zigzag rod (6) can pass through the second opening (203), the second cavity (304) and be exposed from the first pressure rod opening (302), and the second zigzag rod (7) can pass through the second opening (203), the second cavity (304) and be exposed from the second pressure rod opening (303).

3. The expanding pin positioning and pressing device as claimed in claim 2, characterized in that the positioning base (3) is further provided with a positioning table (301), and the positioning table (301) can be connected with a workpiece in a positioning contact manner.

4. The expanding pin positioning and pressing device as claimed in claim 1, wherein said frame (2) is further provided with two first openings (202), and two first openings (202) are respectively provided on opposite sides of said frame (2) for avoiding interference of movement.

5. The expanding pin positioning and pressing device as claimed in claim 1, further comprising: the adjusting gasket (8) is arranged between the frame (2) and the positioning base (3) and used for adjusting the position of the positioning base (3).

6. The expanding pin positioning and pressing device as claimed in claim 1, further comprising: the fixed connection seat (11) is mechanically connected with the frame (2) and used for fixing the position of the pin expanding positioning and pressing device.

7. The pin-expanding positioning and pressing device as claimed in claim 1, wherein said first connecting rod (4) and said second connecting rod (5) are of equal length.