CN216442420U

CN216442420U - Clamping mechanism for machining automobile flange

Info

Publication number: CN216442420U
Application number: CN202123397554.4U
Authority: CN
Inventors: 程跃进
Original assignee: Anhui Yaojin Mould Technology Co ltd
Current assignee: Anhui Yaojin Mould Technology Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-05-06
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses a clamping mechanism for machining an automobile flange, which belongs to the field of flanges and comprises a mounting plate, a clamping plate, a synchronous driving structure, a fixed cylinder, a rotating block, a top block, an inclined plane, a central driving structure and a fixed ring. The flange fixing device comprises a fixing cylinder, a fixing plate, a clamping plate, a synchronous driving structure, a central driving structure, a pushing block, a flange and a flange, wherein the fixing cylinder is sleeved with the fixing ring, the clamping plate is sleeved with the flange, the fixing cylinder is screwed, the flange is preliminarily fixed, the synchronous driving structure works to drive the clamping plate to move inwards to clamp the flange, the central driving structure drives the rotating block to rotate, the pushing block is pushed outwards under the action of a cambered surface on the rotating block, the inner surface of the flange is extruded, the flange is fixed on the inner side and the outer side of the flange, the fixing effect is good, when the flange needs to be rotated, the synchronous driving structure and the central driving structure work in the opposite direction, the hard locking of the flange can be released, and workers can rotate the flange.

Description

Clamping mechanism for machining automobile flange

Technical Field

The utility model relates to the field of flanges, in particular to a clamping mechanism for machining an automobile flange.

Background

The flange is called flange for short, and is only a general term, and usually means that a plurality of fixing holes are formed on the periphery of a metal body similar to a disc for connecting other things, and the flange is used as an important workpiece in automobile construction, so that the good quality of the flange provides necessary support for an automobile with excellent construction performance.

In the prior art, patent publication No. CN213764939U discloses a clamping mechanism for processing an automobile flange, comprising a first clamping plate and a second clamping plate, the first clamping plate is positioned right above the second clamping plate, a certain gap is kept between the first clamping plate and the second clamping plate, a screw rod and a connecting component are arranged between the first clamping plate and the second clamping plate, the screw rod penetrates through the first clamping plate and is in threaded connection, one end of the screw rod, far away from the first clamping plate, penetrates through the second clamping plate and is in rotating connection, the connecting component is sleeved on the screw rod and connected with the screw rod in a threaded manner, two baffle discs are arranged on the side edge of the connecting component in parallel, the baffle disc is positioned below the first clamping plate and is in threaded connection with the connecting assembly, the connecting assembly comprises a connecting ring and a screw rod, the connecting ring is integrally connected with the screw rod, and a thread groove is cut on the inner arc-shaped side surface of the connecting ring and is in threaded connection with the screw rod;

although above-mentioned technical scheme has solved the centre gripping problem of flange, also can let the flange rotate in the course of working simultaneously, in the middle of the actual processing, the flange often need keep static when processing, rotates the flange after finishing processing, and the flange is in the pivoted state of taking place easily all the time among the above-mentioned technical scheme, and then is not convenient for process, consequently needs the fixture for automobile flange processing of a solution above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the background art and designs a clamping mechanism for machining an automobile flange.

The clamping mechanism for processing the automobile flange comprises a mounting plate, clamping plates, a synchronous driving structure, a fixed cylinder, a rotating block, a top block, an inclined plane, a central driving structure and a fixed ring, wherein the two clamping plates are symmetrically and slidably mounted on the upper surface of the mounting plate respectively;

the synchronous driving structure is arranged on the mounting plate and connected with the clamping plate, the fixed cylinder is fixedly arranged in the middle of the mounting plate, the rotating blocks are embedded in the fixed cylinder, the ejecting blocks are distributed in an annular array shape, are slidably inserted on the wall of the fixed cylinder and are in contact with the rotating blocks, the inclined plane is arranged on the upper surface of the outer end of the ejecting blocks, the central driving structure is arranged on the mounting plate and is connected with the rotating blocks, and the fixed ring is spirally arranged on the outer surface of the outer section of the fixed cylinder through thread engagement;

the rotating block is of a block structure provided with three arc surfaces corresponding to the positions of the jacking blocks, and the arc surfaces are arc surfaces with one ends close to the center of the rotating block and the other ends far away from the center of the rotating block.

Furthermore, the synchronous driving structure comprises driving screw rods, transmission gears and transmission shafts, the two driving screw rods are rotatably installed on two sides of the installation plate through bearing seats and are respectively inserted into the two clamping plates through thread occlusion, the two transmission gears are respectively and fixedly installed on the two driving screw rods, the transmission shafts are rotatably installed on the lower surface of the installation plate through the bearing seats, and two ends of the transmission shafts are respectively occluded with the transmission gears.

Furthermore, the central driving structure comprises an intermediate shaft, a worm wheel and a worm, the intermediate shaft is rotatably inserted into the center of the mounting plate and fixedly connected with the rotating block, the worm wheel is positioned below the lower surface of the mounting plate and fixedly connected with the intermediate shaft, and the worm is rotatably installed on the lower surface of the mounting plate through a bearing seat and meshed with the worm wheel.

Furthermore, the clamping plate is of a block structure with an arc-shaped inner side surface.

Further, the inclined plane is an inclined plane with gradually reduced height from inside to outside.

Has the advantages that:

the clamping mechanism for processing the automobile flange has the following beneficial effects that through the structural design of the clamping mechanism, the flange is placed between the clamping plates when the clamping mechanism works by using the mounting plate as a platform, the middle part of the flange is sleeved on the fixed cylinder, then the fixed ring is sleeved on the fixed cylinder and screwed tightly, and further the flange is preliminarily fixed, so that the flange is convenient to mount;

the clamping plate is driven to move inwards by the work of the synchronous driving structure so as to clamp the flange, meanwhile, the central driving structure drives the rotating block to rotate so as to push the ejecting block to move outwards under the action of the cambered surface on which the rotating block rotates, so that the inner surface of the flange is extruded, the flange is fixed on the inner side and the outer side of the flange, and the fixing effect is good;

when the flange needs to be rotated, the hard locking of the flange can be released by reversely working the synchronous driving structure and the central driving structure, so that the flange can be rotated by workers, and the flange can be conveniently machined after the flange is rotated.

Drawings

FIG. 1 is a schematic structural view in cross section from above of a clamping mechanism for machining an automobile flange according to the present invention;

FIG. 2 is a schematic top view and an external view of the clamping mechanism for machining the automobile flange according to the present invention;

fig. 3 is a schematic structural diagram of the clamping mechanism for processing the automobile flange in a turning view.

In the figure, 1, mounting plate; 2. a clamping plate; 3. a fixed cylinder; 4. rotating the block; 5. a top block; 6. a bevel; 7. a fixing ring; 8. a drive screw; 9. a transmission gear; 10. a drive shaft; 11. an intermediate shaft; 12. a worm gear; 13. a worm.

Detailed Description

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

In the description of the present invention, it should be noted that the terms "upper/lower end", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" 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 should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed/sleeved," "connected," and the like are to be construed broadly, e.g., "connected," which may be 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides a technical solution: a clamping mechanism for machining an automobile flange comprises a mounting plate 1, clamping plates 2, a synchronous driving structure, a fixed cylinder 3, a rotating block 4, a top block 5, an inclined plane 6, a central driving structure and a fixed ring 7, wherein the two clamping plates 2 are symmetrically and slidably mounted on the upper surface of the mounting plate 1 respectively; the synchronous driving structure is arranged on the mounting plate 1 and connected with the clamping plate 2, the fixed cylinder 3 is fixedly arranged in the middle of the mounting plate 1, the rotating blocks 4 are embedded in the fixed cylinder 3, the top blocks 5 are distributed in an annular array shape, are slidably inserted into the cylinder wall of the fixed cylinder 3 and are contacted with the rotating blocks 4, the inclined plane 6 is arranged on the upper surface of the outer end of the top block 5, the central driving structure is arranged on the mounting plate 1 and is connected with the rotating blocks 4, and the fixed ring 7 is arranged on the outer surface of the outer section of the fixed cylinder 3 in a screwing manner through thread engagement; the rotating block 4 is of a block structure provided with three cambered surfaces corresponding to the positions of the jacking blocks 5, and the cambered surfaces are cambered surfaces with one ends close to the center of the rotating block 4 and the other ends far away from the center of the rotating block 4.

The synchronous driving structure comprises driving screws 8, transmission gears 9 and transmission shafts 10, wherein the two driving screws 8 are rotatably arranged on two sides of a mounting plate 1 through bearing seats and are respectively inserted into two clamping plates 2 through thread occlusion, the two transmission gears 9 are respectively and fixedly arranged on the two driving screws 8, the transmission shafts 10 are rotatably arranged on the lower surface of the mounting plate 1 through the bearing seats, two ends of each transmission shaft are respectively occluded with the transmission gears 9, the driving screws 8 rotate to drive the transmission gears 9 to rotate, the transmission gears 9 on the other sides are driven to drive the transmission gears 9 to rotate, the driving screws 8 drive the occluded clamping plates 2 to synchronously move inwards or outwards, and the thread directions of the two driving screws 8 are opposite.

In the utility model, the central driving structure comprises an intermediate shaft 11, a worm wheel 12 and a worm 13, wherein the intermediate shaft 11 can be rotatably inserted into the center of the mounting plate 1 and is fixedly connected with the rotating block 4, the worm wheel 12 is positioned below the lower surface of the mounting plate 1 and is fixedly connected with the intermediate shaft 11, the worm 13 can be rotatably mounted on the lower surface of the mounting plate 1 through a bearing seat and is meshed with the worm wheel 12, the worm wheel 12 is driven to rotate at a reduced speed through a rotating rod of the worm 13, the intermediate shaft 11 is driven to rotate, and the intermediate shaft 11 is driven to rotate to drive the rotating block 4 to rotate.

In the utility model, the clamping plate 2 is of a block structure with an arc-shaped inner surface, and is matched with the flange in shape.

In the utility model, the inclined plane 6 is an inclined plane 6 with gradually reduced height from inside to outside, and the edge of the central hole of the flange is extruded with the inclined plane 6 when the flange sleeve is pulled away, so that the ejector block 5 is pushed back.

A speed reduction motor is connected with a driving screw 8 or other low-rotating-speed high-torque mechanisms are connected with the driving screw 8 to provide power for the driving screw 8, a motor or a manual crank is connected with a worm 13 to provide power for the worm 13, all electric parts are connected with adaptive power supplies thereof through leads in the case, and a proper controller is selected according to actual conditions to meet control requirements.

In this embodiment:

the mounting plate 1 serves as a platform, a flange is placed between the clamping plates 2 during work, the middle of the flange is sleeved on the fixed cylinder 3, the fixed ring 7 is sleeved on the fixed cylinder 3 and screwed tightly, the flange is further preliminarily fixed, then the synchronous driving structure works to drive the clamping plates 2 to move inwards to clamp the flange, meanwhile, the central driving structure drives the rotating blocks 4 to rotate, and then the pushing blocks 5 are pushed to move outwards under the action of the cambered surfaces of the rotating blocks 4 on the rotating blocks, so that the inner surface of the flange is extruded, and the flange is fixed on the inner side and the outer side of the flange; when the flange needs to be rotated, the synchronous driving structure and the central driving structure work reversely to release hard locking of the flange, and then workers can rotate the flange.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

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

Claims

1. A clamping mechanism for machining an automobile flange comprises a mounting plate (1), clamping plates (2), a synchronous driving structure, a fixed cylinder (3), a rotating block (4), a top block (5), an inclined plane (6), a central driving structure and a fixed ring (7), wherein the two clamping plates (2) are symmetrically and slidably mounted on the upper surface of the mounting plate (1) respectively;

the synchronous driving device is characterized in that the synchronous driving structure is installed on the installation plate (1) and connected with the clamping plate (2), the fixed cylinder (3) is fixedly installed in the middle of the installation plate (1), the rotating blocks (4) are embedded in the fixed cylinder (3), the ejecting blocks (5) are distributed in an annular array shape, are slidably inserted into the cylinder wall of the fixed cylinder (3) and are in contact with the rotating blocks (4), the inclined plane (6) is arranged on the upper surface of the outer end of the ejecting blocks (5), the central driving structure is installed on the installation plate (1) and is connected with the rotating blocks (4), and the fixed ring (7) is installed on the outer surface of the outer section of the fixed cylinder (3) in a screwing mode through thread occlusion;

the rotating block (4) is of a block structure provided with three arc surfaces corresponding to the top block (5), and the arc surfaces are arc surfaces with one ends close to the center of the rotating block (4) and the other ends far away from the center of the rotating block (4).

2. The clamping mechanism for machining the automobile flange is characterized in that the synchronous driving structure comprises driving screw rods (8), transmission gears (9) and transmission shafts (10), the two driving screw rods (8) are rotatably installed on two sides of the installation plate (1) through bearing seats and are inserted into the two clamping plates (2) through thread meshing respectively, the two transmission gears (9) are fixedly installed on the two driving screw rods (8) respectively, the transmission shafts (10) are rotatably installed on the lower surface of the installation plate (1) through the bearing seats, and two ends of each transmission shaft are meshed with the transmission gears (9) respectively.

3. The clamping mechanism for machining the automobile flange is characterized in that the central driving structure comprises an intermediate shaft (11), a worm wheel (12) and a worm (13), the intermediate shaft (11) is rotatably inserted into the center of the mounting plate (1) and fixedly connected with the rotating block (4), the worm wheel (12) is positioned below the lower surface of the mounting plate (1) and fixedly connected with the intermediate shaft (11), and the worm (13) is rotatably mounted on the lower surface of the mounting plate (1) through a bearing seat and meshed with the worm wheel (12).

4. The clamping mechanism for machining the automobile flange is characterized in that the clamping plate (2) is of a block structure, the inner side surface of the block structure is an arc surface.

5. The clamping mechanism for machining the automobile flange is characterized in that the inclined surface (6) is an inclined surface (6) with gradually reduced height from inside to outside.