CN221232088U

CN221232088U - Sheet metal machining clamping mechanism

Info

Publication number: CN221232088U
Application number: CN202323086472.7U
Authority: CN
Inventors: 方仁华
Original assignee: Zhejiang Baliu Technology Co ltd
Current assignee: Zhejiang Baliu Technology Co ltd
Priority date: 2023-11-15
Filing date: 2023-11-15
Publication date: 2024-06-28
Anticipated expiration: 2033-11-15

Abstract

The utility model belongs to the technical field of sheet metal machining, and particularly relates to a sheet metal machining clamping mechanism. The first clamping structure is provided with two groups which are respectively used for positioning and clamping the two longitudinal beams; the second clamping structure is provided with two groups, and is used for positioning and clamping the two cross beams respectively. According to the utility model, through the positioning and clamping of the two groups of first clamping structures and the positioning and clamping of the two groups of second clamping structures, the phenomenon of cold joint caused by inaccurate position running or welding positions of a local frame of a goods shelf in the welding process can be avoided, and the welding precision is improved.

Description

Sheet metal machining clamping mechanism

Technical Field

The utility model belongs to the technical field of sheet metal machining, and particularly relates to a sheet metal machining clamping mechanism.

Background

The metal plate is a comprehensive cold working process for a metal sheet, and comprises shearing, punching/cutting/compounding, folding, welding, riveting, splicing, forming and the like, and a product processed by the metal plate process is called a metal plate part. The sheet metal parts are not separated everywhere in our life, and most daily appliances comprise the sheet metal parts, such as automobiles, skiing vehicles, bicycles, luggage racks and the like.

The goods shelves form is various, and is the sheet metal component generally, usually needs to be accomplished through modes such as cutting, punching, bending forming and welding. The existing welding procedure is usually manual welding or simple positioning is carried out by adopting a welding tool, so that the welding precision of the welded shelf frame is low, the condition of cold joint is easy to generate, and the strength of the shelf is influenced.

Disclosure of utility model

The utility model aims at solving the technical problems, and provides a sheet metal machining clamping mechanism which achieves the effect of improving welding precision.

In view of the above, the utility model provides a sheet metal processing clamping mechanism, which comprises a base, wherein the base is provided with:

the first clamping structure is provided with two groups, and is used for positioning and clamping the two longitudinal beams respectively;

the second clamping structure is provided with two groups, and is used for positioning and clamping the two cross beams respectively.

In the technical scheme, the shelf structure is a local frame of the shelf and comprises two longitudinal beams which are parallel to each other and a cross beam which is clamped between the two longitudinal beams and is parallel to the longitudinal beams and vertical to the longitudinal beams, and the local frame of the shelf can not generate the phenomenon of cold welding caused by inaccurate running position or welding position in the welding process through the positioning and clamping of the two groups of first clamping structures and the positioning and clamping of the two groups of second clamping structures, so that the welding precision is improved.

Further, the first clamping structure comprises a first positioning structure and a first clamping structure, the first positioning structure is used for positioning the longitudinal beam, the first clamping structure is used for clamping the longitudinal beam, the second clamping structure comprises a second positioning structure and a second clamping structure, the second positioning structure is used for positioning the cross beam, and the second clamping structure is used for clamping the cross beam.

Further, the first positioning structure includes:

The positioning column is fixedly arranged on the base, and the size of the positioning column is matched with the positioning hole on the longitudinal beam;

The first abutting piece is fixedly arranged on the base and used for abutting the side part of the longitudinal beam.

Further, the first clamping structure includes:

The first side air pressing cylinder is fixedly arranged on the base, the first side air pressing cylinder is arranged in parallel with the first abutting piece, and the expansion direction of a piston rod of the first side air pressing cylinder points to an extension line of the first abutting piece;

The first lower air cylinder is fixedly arranged on the base, is a corner air cylinder and is perpendicular to the base in a piston rod.

In this technical scheme, the longeron passes through the locating hole cover and establishes on the reference column, then makes the longeron lateral part support lean on first support to lean on the piece, so realize realizing the location to the longeron, starts first side air cylinder and makes the piston rod of first side air cylinder stretch out and press from both sides the longeron to press from both sides the piece to first, starts first air cylinder and makes the piston rod of first air cylinder stretch out and press from both sides the longeron to press from both sides the base, so realize the fixed clamp to the longeron.

Further, the second positioning structure comprises a second abutting piece, and the second abutting piece is used for abutting the side part of the beam.

Further, the second clamping structure includes:

the second side pressure cylinder is fixedly arranged on the base, the second side pressure cylinder is arranged in parallel with the second abutting piece, and the expansion direction of a piston rod of the second side pressure cylinder points to an extension line of the second abutting piece;

The second air cylinder that pushes down, the second air cylinder that pushes down is fixed to be set up on the base, and the second air cylinder that pushes down is the corner cylinder, and the piston rod of second air cylinder that pushes down is perpendicular with the base.

In this technical scheme, the both ends of crossbeam are supported with the longeron and are leaned on, and one side of crossbeam supports and leans on the piece to the second, realizes the location, starts the second side pressure cylinder of crossbeam opposite side and makes this extension of piston press from both sides the crossbeam to the second and lean on the piece, starts the second and presses down the cylinder and make the piston rod stretch out and press from both sides the crossbeam to the base, so realizes the fixed clamp to the longeron.

Further, the base is provided with a supporting block, and the supporting block is supported at the bottoms of the cross beam and the longitudinal beam so that the cross beam and the longitudinal beam are suspended above the base.

In this technical scheme, the setting of supporting shoe can reduce the area of contact of crossbeam, longeron and slip face, is convenient for weld the heat dissipation.

Further, the positioning column is provided with an auxiliary disengaging structure, and the auxiliary disengaging structure is used for assisting the positioning hole of the longitudinal beam to be in sleeve joint with the positioning column.

In this technical scheme, because there is the position that needs welded in the vicinity of locating hole, can cause the shrinkage cavity of locating hole in the welding process, make locating hole aperture reduce easily to make and dismantle the longeron from the reference column at last and come to produce difficulty, can assist the locating hole of longeron to remove the socket joint with the reference column through helping the structure, the dismantlement of longeron of being convenient for.

Further, the detachment assisting structure includes:

the abdication hole is formed in the peripheral wall of the positioning column, and a centering shaft is arranged in the abdication hole;

the ball is internally provided with a positioning channel along the diameter direction, the positioning channel is penetrated by the centering shaft to enable the ball to be rotationally sleeved on the centering shaft, the diameter of the positioning channel is larger than that of the centering shaft, and an adjusting gap is formed between the centering shaft and the positioning channel;

The plug shaft is hollow in the positioning column, the plug shaft can be inserted into or pulled out of the positioning column, and the ball can be extruded to move in the adjusting gap range when the plug shaft is inserted into the positioning column.

In this technical scheme, the locating hole does not cup joint the messenger with the locating column with longeron locating hole, the plug axle does not insert the locating column, with the longeron through locating hole cover on the locating column, in the process of cup jointing, the ball on the locating column can be extruded to the locating column on the locating column and make the ball move towards the locating column axle center in adjusting the clearance scope, then locating column and locating hole assorted location external diameter can reduce, the socket of locating hole and locating column of being convenient for like this, cup joint the back in place, with plug axle plug locating column, the plug axle can extrude the ball and move to the locating hole inner wall in adjusting the clearance scope like this, then make locating external diameter and locating hole internal diameter match, realize accurate location, after the welding is accomplished, the locating hole has certain shrinkage cavity, but plug axle plug ball can be moved towards the locating column axle center in adjusting the clearance scope then the external diameter diminish earlier, the longeron can be dismantled from the locating column relatively easily, plug axle is in extracting the in-process, the ball can rotate, plug axle plug can be convenient for again, help taking off the structure can guarantee the location precision, can be convenient for the location of longeron and dismantlement again.

The beneficial effects of the utility model are as follows:

1. The positioning and clamping of the two groups of first clamping structures and the positioning and clamping of the two groups of second clamping structures can prevent the phenomenon of cold joint caused by inaccurate running position or welding position of a local frame of the goods shelf in the welding process, and the welding precision is improved.

2. The setting of supporting shoe can reduce the area of contact of crossbeam, longeron and slip face, is convenient for weld the heat dissipation.

3. The detachment assisting structure can ensure the positioning precision and is convenient for positioning and dismounting the longitudinal beam

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is an exploded view of the present utility model;

FIG. 3 is a partial enlarged view A of FIG. 2;

Fig. 4 is a partial enlarged view B of fig. 2;

FIG. 5 is a cross-sectional view of a positioning post;

Fig. 6 is a partial enlarged view C of fig. 5;

The label in the figure is:

1. A base; 2. a first positioning structure; 3. a first clamping structure; 4. a second abutting member; 5. a second clamping structure; 6. a cross beam; 7. a longitudinal beam; 8. positioning columns; 9. a first abutting member; 10. positioning holes; 11. a first side air cylinder; 12. a first lower pressure cylinder; 13. a second side pressure cylinder; 14. a second pressing cylinder; 15. a relief hole; 16. a ball; 17. inserting and pulling out the shaft; 18. centering shaft; 19. positioning the channel; 20. adjusting the gap; 21. and positioning the outer diameter.

Detailed Description

The technical solutions of the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which are obtained by a person skilled in the art based on the embodiments of the present application, fall within the scope of protection of the present application.

In the description of the present application, it is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments in accordance with the present application. For ease of description, the dimensions of the various features shown in the drawings are not drawn to actual scale. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

It should be noted that the terms "first," "second," and the like in the description and in the claims are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged, as appropriate, such that embodiments of the present application may be implemented in sequences other than those illustrated or described herein, and that the objects identified by "first," "second," etc. are generally of a type, and are not limited to the number of objects, such as the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.

It should be noted that, in the description of the present application, the terms like "front, rear, upper, lower, left, right", "horizontal, vertical, horizontal", and "top, bottom", etc. generally refer to the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are merely for convenience of describing the present application and simplifying the description, and these orientation terms do not indicate and imply that the apparatus or elements referred to must have a specific orientation or be constructed and operated in a specific orientation, and thus should not be construed as limiting the scope of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

It should be noted that, in the present application, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Furthermore, it should be noted that the scope of the methods and apparatus in the embodiments of the present application is not limited to performing the functions in the order shown or discussed, but may also include performing the functions in a substantially simultaneous manner or in an opposite order depending on the functions involved, e.g., the described methods may be performed in an order different from that described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

Example 1:

As shown in fig. 1-2, a sheet metal machining clamping mechanism comprises a base 1, wherein a first clamping structure and a second clamping structure are arranged on the base 1. The first clamping structure is provided with two groups which are respectively used for positioning and clamping the two longitudinal beams 7; the first clamping structure comprises a first positioning structure 2 and a first clamping structure 3, wherein the first positioning structure 2 is used for positioning the longitudinal beam 7, and the first clamping structure 3 is used for clamping the longitudinal beam 7.

The second clamping structure is provided with two groups, and is used for positioning and clamping the two cross beams 6 respectively. The second clamping structure comprises a second positioning structure and a second clamping structure 5, the second positioning structure is used for positioning the cross beam 6, and the second clamping structure 5 is used for clamping the cross beam 6.

The shelf structure of the application is a local frame of the shelf, and comprises two longitudinal beams 7 which are parallel to each other and a cross beam 6 which is clamped between the two longitudinal beams 7 and is parallel to the longitudinal beams 7 and vertical to the longitudinal beams 7, and the local frame of the shelf can not generate the phenomenon of cold welding caused by inaccurate position running or welding positions in the welding process through the positioning and clamping of the two groups of first clamping structures and the positioning and clamping of the two groups of second clamping structures, thereby improving the welding precision.

The base 1 is provided with supporting blocks, and the supporting blocks are supported at the bottoms of the cross beam 6 and the longitudinal beam 7 so that the cross beam 6 and the longitudinal beam 7 are suspended above the base 1. The setting of supporting shoe can reduce the area of contact of crossbeam 6, longeron 7 and slip plane, is convenient for weld the heat dissipation.

Example 2:

As shown in fig. 1-4, the first positioning structure 2 comprises a positioning post 8 and a first abutment 9. The positioning column 8 is fixedly arranged on the base 1, and the size of the positioning column 8 is matched with a positioning hole 10 on the longitudinal beam 7; the first abutting piece 9 is fixedly arranged on the base 1, and the first abutting piece 9 is used for abutting the side part of the longitudinal beam 7.

The first clamping structure 3 comprises a first side cylinder 11 and a first lower cylinder 12. The first side air cylinder 11 is fixedly arranged on the base 1, the first side air cylinder 11 is arranged in parallel with the first abutting piece 9, and the expansion and contraction direction of a piston rod of the first side air cylinder 11 points to an extension line of the first abutting piece 9; the first lower pressure cylinder 12 is fixedly arranged on the base 1, the first lower pressure cylinder 12 is a corner cylinder, and a piston rod of the first lower pressure cylinder 12 is perpendicular to the base 1.

The longitudinal beam 7 is sleeved on the positioning column 8 through the positioning hole 10, then the side part of the longitudinal beam 7 is abutted against the first abutting piece 9, positioning of the longitudinal beam 7 is achieved, the first side air cylinder 11 is started, the piston rod of the first side air cylinder 11 extends to press the longitudinal beam 7 to the first abutting piece 9, the first lower air cylinder 12 is started, the piston rod of the first lower air cylinder 12 extends to press the longitudinal beam 7 to the base 1, and therefore fixed clamping of the longitudinal beam 7 is achieved.

Example 4:

As shown in fig. 1-2, the second positioning structure comprises a second abutment 4, which second abutment 4 is intended for abutment of the side of the cross beam 6. The second clamping structure 5 comprises a second side pressure cylinder 13 and a second hold-down cylinder 14. The second side pressure cylinder 13 is fixedly arranged on the base 1, the second side pressure cylinder 13 is arranged in parallel with the second abutting piece 4, and the expansion and contraction direction of a piston rod of the second side pressure cylinder 13 points to an extension line of the second abutting piece 4; the second pressing cylinder 14 is fixedly arranged on the base 1, the second pressing cylinder 14 is a corner cylinder, and a piston rod of the second pressing cylinder 14 is perpendicular to the base 1.

The two ends of the cross beam 6 are abutted against the longitudinal beam 7, one side of the cross beam 6 is abutted against the second abutting piece 4, positioning is achieved, the second lateral pressure cylinder 13 at the other side of the cross beam 6 is started to enable the piston to extend out to press the cross beam 6 to the second abutting piece 4, the second lower pressure cylinder 14 is started to enable the piston rod to extend out to press the cross beam 6 to the base 1, and therefore fixed clamping of the longitudinal beam 7 is achieved.

Example 5:

as shown in fig. 5-6, the positioning column 8 is provided with a detachment-assisting structure, and the detachment-assisting structure is used for releasing the sleeve joint between the positioning hole 10 of the auxiliary longitudinal beam 7 and the positioning column 8.

Because there is the position that needs the welding near locating hole 10, consequently can cause the shrinkage cavity of locating hole 10 in the welding process, make locating hole 10 aperture reduction easily to make and dismantle longeron 7 from reference column 8 at last and come to produce difficulty, can assist through helping taking off the structure and remove the locating hole 10 and the reference column 8 of longeron 7 and cup joint, be convenient for the dismantlement of longeron 7.

The detachment assisting structure comprises a yielding hole 15, a ball 16 and a plug shaft 17. The yielding hole 15 is formed in the peripheral wall of the positioning column 8, and a centering shaft 18 is arranged in the yielding hole 15; a positioning channel 19 is arranged in the ball 16 along the diameter direction, the centering shaft 18 passes through the positioning channel 19 to enable the ball 16 to be rotatably sleeved on the centering shaft 18, the diameter of the positioning channel 19 is larger than that of the centering shaft 18, and an adjusting gap 20 is formed between the centering shaft 18 and the positioning channel 19; the positioning column 8 is hollow, the inserting and extracting shaft 17 can be inserted into or extracted from the positioning column 8, and the ball 16 can be extruded to move within the range of the adjusting gap 20 when the inserting and extracting shaft 17 is inserted into the positioning column 8.

When the positioning hole 10 of the longitudinal beam 7 is not sleeved with the positioning column 8, the inserting and pulling shaft 17 is not inserted into the positioning column 8, the longitudinal beam 7 is sleeved on the positioning column 8 through the positioning hole 10, in the sleeving process, the inner wall of the positioning hole 10 can press the ball 16 on the positioning column 8 to enable the ball 16 to move towards the axis of the positioning column 8 within the range of the adjusting gap 20, the positioning outer diameter 21 matched with the positioning hole 10 of the positioning column 8 can be reduced, so that the sleeving of the positioning hole 10 and the positioning column 8 is facilitated, after the sleeving is in place, the inserting and pulling shaft 17 is inserted into the positioning column 8, in this way, the inserting and pulling shaft 17 can press the ball 16 to move towards the inner wall of the positioning hole 10 within the range of the adjusting gap 20, the positioning outer diameter 21 is matched with the inner diameter of the positioning hole 10, so that accurate positioning is realized, after welding is finished, although the positioning hole 10 has a certain shrinkage cavity, the ball 16 can move towards the axis of the positioning column 8 in the range of the adjusting gap 20 when the plug shaft 17 is pulled out first, the outer diameter of the positioning outer diameter 21 becomes smaller, the longitudinal beam 7 can be detached from the positioning column 8 relatively easily, in addition, the ball 16 can rotate in the pulling-out process of the plug shaft 17, the plug shaft 17 can be pulled out conveniently, the positioning precision can be ensured by the pull-out assisting structure, and the positioning and the detachment of the longitudinal beam 7 can be facilitated.

The embodiments of the present application have been described above with reference to the accompanying drawings, in which the embodiments of the present application and features of the embodiments may be combined with each other without conflict, the present application is not limited to the above-described embodiments, which are merely illustrative, not restrictive, of the present application, and many forms may be made by those of ordinary skill in the art without departing from the spirit of the present application and the scope of the claims, which are protected by the present application.

Claims

1. Sheet metal machining fixture, its characterized in that includes base (1), is provided with on base (1):

The first clamping structure is provided with two groups, and is used for positioning and clamping the two longitudinal beams (7) respectively;

and the second clamping structure is provided with two groups, and is respectively used for positioning and clamping the two cross beams (6).

2. The sheet metal machining clamping mechanism according to claim 1, characterized in that the first clamping structure comprises a first positioning structure (2) and a first clamping structure (3), the first positioning structure (2) is used for positioning the longitudinal beam (7), the first clamping structure (3) is used for clamping the longitudinal beam (7), the second clamping structure comprises a second positioning structure and a second clamping structure (5), the second positioning structure is used for positioning the cross beam (6), and the second clamping structure (5) is used for clamping the cross beam (6).

3. A sheet metal working clamping mechanism according to claim 2, characterized in that the first positioning structure (2) comprises:

The positioning column (8) is fixedly arranged on the base (1), and the size of the positioning column (8) is matched with a positioning hole (10) on the longitudinal beam (7);

The first abutting piece (9), the first abutting piece (9) is fixedly arranged on the base (1), and the first abutting piece (9) is used for abutting the side part of the longitudinal beam (7).

4. A sheet metal working clamping mechanism according to claim 3, characterized in that the first clamping structure (3) comprises:

The first side air pressing cylinder (11), the first side air pressing cylinder (11) is fixedly arranged on the base (1), the first side air pressing cylinder (11) is arranged in parallel with the first abutting piece (9), and the expansion direction of a piston rod of the first side air pressing cylinder (11) points to an extension line of the first abutting piece (9);

The first lower air cylinder (12), the fixed setting of first lower air cylinder (12) is on base (1), and first lower air cylinder (12) are the corner cylinder, and the piston rod of first lower air cylinder (12) is perpendicular with base (1).

5. A sheet metal working clamping mechanism according to claim 4, characterized in that the second positioning structure comprises a second abutment (4), the second abutment (4) being intended for abutment of the side of the cross beam (6).

6. A sheet metal working clamping mechanism according to claim 5, characterized in that the second clamping structure (5) comprises:

the second side pressure cylinder (13), the second side pressure cylinder (13) is fixedly arranged on the base (1), the second side pressure cylinder (13) is arranged in parallel with the second abutting piece (4), and the expansion and contraction direction of a piston rod of the second side pressure cylinder (13) points to an extension line of the second abutting piece (4);

The second down-pressing cylinder (14), the second down-pressing cylinder (14) is fixedly arranged on the base (1), the second down-pressing cylinder (14) is a corner cylinder, and a piston rod of the second down-pressing cylinder (14) is perpendicular to the base (1).

7. The sheet metal machining clamping mechanism according to claim 6, wherein a supporting block is arranged on the base (1), and the supporting block is supported at the bottoms of the cross beam (6) and the longitudinal beam (7) so that the cross beam (6) and the longitudinal beam (7) are suspended above the base (1).

8. A sheet metal working clamping mechanism according to claim 3, characterized in that the positioning column (8) is provided with a release assisting structure, and the release assisting structure is used for assisting the positioning hole (10) of the longitudinal beam (7) to be in socket joint with the positioning column (8).

9. The sheet metal working clamping mechanism of claim 8, wherein the detachment-assisting structure comprises:

The yielding hole (15) is formed in the peripheral wall of the positioning column (8), and a centering shaft (18) is arranged in the yielding hole (15);

The ball (16) is internally provided with a positioning channel (19) along the diameter direction, the positioning channel (19) is penetrated by the centering shaft (18) to enable the ball (16) to be rotationally sleeved on the positioning shaft (18), the diameter of the positioning channel (19) is larger than that of the centering shaft (18), and an adjusting gap (20) is formed between the positioning channel (19) and the centering shaft (18);

The plug shaft (17) is hollow in the positioning column (8), the plug shaft (17) can be inserted into or pulled out of the positioning column (8), and the ball (16) can be extruded to move in the range of the adjusting gap (20) when the plug shaft (17) is inserted into the positioning column (8).