CN113600688A

CN113600688A - Anti-rebound bending die based on automobile part machining and machining method thereof

Info

Publication number: CN113600688A
Application number: CN202110881642.7A
Authority: CN
Inventors: 江伟东
Original assignee: Jiaxing Landeguang Technology Co ltd
Current assignee: Jiaxing Landeguang Technology Co ltd
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2021-11-05

Abstract

The invention discloses an anti-rebound bending die based on automobile part machining and a machining method thereof, relates to the technical field of automobile part machining, and solves the problems that the bending efficiency of the currently used bending die is insufficient, the synchronous control effect is insufficient, and an auxiliary structure for quickly performing bending machining is not available. An anti-rebound bending die based on automobile part machining and a machining method thereof comprise a die body, wherein the rear side of the top of the die body is provided with a downward-turning concave structure; the front frame block is fixed in the middle of the front side of the die body; the rotary plate is rotatably arranged at the top of the die body through hinge connection, the top surface of the rotary plate is aligned with the top surface of the front side of the die body, the rotary plate and the central screw rod are arranged, an auxiliary structure for rapidly bending and machining the die is provided, and the turning efficiency and the synchronous control effect are improved.

Description

Anti-rebound bending die based on automobile part machining and machining method thereof

Technical Field

The invention relates to the technical field of automobile part processing, in particular to an anti-rebound bending die based on automobile part processing and a processing method thereof.

Background

The use of auto-parts is in the maintenance process of car, and the kind of accessories is more, and the shape that wherein has some accessories is crooked, and crooked degree is different, therefore when making production, need change different moulds to can be convenient for production, be mechanical type structure of bending usually, still need keep crooked after the bending, kick-back before avoiding the work piece plastic finalization.

Through retrieval, for example, patent No. CN212857390U discloses a springback-proof bending die for automobile part processing, which comprises a working plate, wherein two sliding rails are arranged at the top of the working plate, the inner sides of the two sliding rails close to each other are fixedly connected with touch rods, the sides of the two touch rods far away from each other are rotatably connected with rotating rods, the rotating rods are rotatably connected with the working plate and the inner sides of the sliding rails, and the outer sides of the rotating rods are in threaded connection with threaded cylinders; the utility model discloses a conflict board that sets up can cooperate with the part that needs processing, can avoid the part after accomplishing, the problem of kick-backing appears, and can restrict the part that has already made, keeps the stability in use of part, and the threaded rod that sets up can carry out the adaptation with the mould that sets up, can fix the mould that sets up, and changes the mould after the use is accomplished, is favorable to the use of device.

Similar to the bending die in the above application, the following disadvantages also exist:

firstly, the bending efficiency of the currently used bending die is insufficient, the synchronous control effect is insufficient, and an auxiliary structure for quickly bending is not provided; secondly, the bidirectional adjusting function according to different workpieces is not provided, and the positioning thickness and the turning position of the workpiece are not convenient to adjust according to different thicknesses of the workpiece; thirdly, the function of assisting the fixing of the bent part of the workpiece is not provided, and the excessive bending cannot be effectively avoided.

Therefore, the existing requirements are not met, and the anti-rebound bending die based on automobile part machining and the machining method thereof are provided.

Disclosure of Invention

Problem (A)

The invention aims to provide an anti-rebound bending die based on automobile part processing and a processing method thereof, aiming at solving the problems that the bending efficiency of the currently used bending die in the background technology is insufficient, the synchronous control effect is insufficient, and an auxiliary structure for rapidly performing bending processing is not provided; secondly, the bidirectional adjusting function according to different workpieces is not provided, and the positioning thickness and the turning position of the workpiece are not convenient to adjust according to different thicknesses of the workpiece; thirdly, the function of assisting the fixing of the bent part of the workpiece is not provided, and the problem of excessive bending cannot be effectively avoided.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: an anti-rebound bending die based on automobile part machining and a machining method thereof comprise a die body, wherein the rear side of the top of the die body is provided with a downward-turning concave structure;

the front frame block is fixed in the middle of the front side of the die body;

the rotating plate is rotatably arranged at the top of the die body through hinged connection, and the top surface of the rotating plate is aligned with the top surface of the front side of the die body;

the floating module is characterized in that fin structures are integrally arranged at the tops of two sides of the floating module, and a threaded rod is rotatably arranged in the middle of each fin structure.

Preferably, the mold body further comprises:

the middle of the die body penetrates through the front side and is provided with a front through groove;

the two ends of the rear side of the front through groove penetrate through the die body to form cross grooves, and the rear ends of the cross grooves are fixedly provided with stop blocks;

the middle of the rear side of the die body is rotatably provided with a hand wheel shaft.

Preferably, the front frame block further comprises:

the rack groove is formed in the middle of the bottom of the protruding structure;

the top of the front frame block is rotatably provided with a lever through a hinge, the middle of the lever is rotatably provided with a connecting rod through a hinge, the other end of the connecting rod is rotatably provided with a transmission rack through a hinge, and the transmission rack is in sliding connection with a rack groove; a central screw rod is rotatably arranged between the front frame block and the die body, and the front end of the central screw rod is provided with an inner ratchet gear which is meshed with the rack groove; the hand wheel shaft is meshed with the central screw rod through a gear.

Preferably, the rotating plate further comprises:

two groups of catching grooves are formed in the rear side of the bottom of the rotating plate, ejector rods are rotatably arranged in the catching grooves through hinged connection, and pull frames are rotatably arranged at the other ends of the ejector rods through hinged connection;

the main body of the pulling frame is of a U-shaped structure, the front end of the pulling frame is slidably arranged in the front through groove, and the rear end of the pulling frame is slidably arranged in the cross groove;

the bottom of the rotating plate is provided with a spring groove;

and the side sliding grooves are formed in the positions, aligned with the spring grooves, of the two sides of the rotating plate.

Preferably, the rotating plate further comprises:

the side sliding block is arranged on the lower half part of the side sliding groove in a sliding manner;

the self-tightening block is arranged at the upper half part of the side sliding groove in a sliding manner, the bottom of the self-tightening block is fixedly provided with a spring rod A, and the spring rod A penetrates through the side sliding block to be sleeved with a spring and is fixedly provided with a bottom sheet;

the inner of the side sliding block is fixedly provided with a reset rod, and the reset rod penetrates through the spring groove to be sleeved with the spring and is fixedly provided with a blocking piece.

Preferably, two groups of side frames are fixedly arranged at the tops of the front ends of the two sides of the die body, T-shaped grooves are formed in the tops of the side frames, and the threaded rods are in threaded connection with the middle positions of the T-shaped grooves.

Preferably, the floating module further comprises:

two groups of guide rods are fixedly arranged at the bottoms of the floating module fin structures and are in sliding connection with the side frames;

t-shaped holes and guide square holes are formed in the floating module in a staggered manner;

the middle of the front side of the floating module is provided with a jacking screw rod in a threaded connection manner; the top of the floating module is fixedly provided with a top control.

Preferably, the top control further comprises:

the center shaft is rotatably arranged in the middle of the top control piece;

two groups of linkage shafts are rotatably arranged on two sides of the top control part, and the two groups of linkage shafts are in transmission connection with a central shaft provided with a bevel gear; the outer side of the linkage shaft is in transmission connection with a bevel gear arranged on the threaded rod; and a top group is arranged on the rear side of the top control.

Preferably, the top group further comprises:

the lower sliding plate is integrally arranged on the front side of the bottom of the top group and is in sliding connection with the top control part;

the front side of the top group is alternately provided with square guide plates and spring rods B; the square guide plate is connected with the guide square hole in a sliding manner; the spring rod B penetrates through the T-shaped hole to be sleeved with the spring and is fixedly provided with a wafer.

A machining method of an anti-rebound bending die based on automobile part machining comprises the following steps:

1) during positioning, a workpiece is placed at the tops of the die body and the rotating plate, and a part of the workpiece needing to be stabilized is inserted at the bottom of the floating module; the central shaft is rotated, the central shaft drives the linkage shaft to rotate through the bevel gear, the linkage shaft drives the two groups of threaded rods to synchronously rotate through the bevel gear, the threaded rods lock the floating module downwards through thread transmission, the workpiece is fixed through locking of the bottom of the floating module and the die body, and the bent part of the workpiece is aligned with the rear end of the top group through fine adjustment;

2) positioning the turning part, wherein when the bending part of the workpiece is aligned with the rear end of the jacking group, the bending position is also required to be aligned with the connecting part of the rotating plate and the die body, the position of the jacking group is also required to be adjusted according to the different thicknesses of the workpiece, and the jacking screw is rotated to jack the jacking group, so that the distance between the jacking group and the rotating plate can be adjusted;

3) during machining, the lever is repeatedly swung, the transmission rack is driven to transversely move through the connecting rod when the lever rotates, the transmission rack drives the jacking screw to rotate in one direction through the inner ratchet wheel gear, the jacking screw drives the pull frame to move forwards through thread transmission, the pull frame turns over the ejector rod forwards through the ejector rod, and bending machining of the workpiece is achieved through clamping of the rotating plate and the jacking group;

4) the auxiliary positioning is carried out, the side sliding block is directly stretched outwards, the self-tightening block is pulled upwards, the workpiece can be subjected to auxiliary fixing through self-locking of the spring, and the process step of bending machining cannot be influenced;

5) when the rotating plate is reset, the hand wheel shaft is rotated, and the hand wheel shaft drives the central lead screw to rotate through the gear, so that the rotating plate, the ejector rod and the pull frame are reset.

(III) advantageous effects

The invention provides an anti-rebound bending die based on automobile part machining and a machining method thereof.

Secondly, the setting of top group provides and carries out two-way adjustment function according to different work pieces, can adjust the location thickness of work piece and the position of turn according to the work piece thickness difference, when the department of bending of work piece aligns the rear end of top group, the position of bending still need align with the junction of commentaries on classics board and die body, still need adjust the position of top group according to the thickness difference of work piece, rotate the tight screw rod of top and push up the group, can realize pushing up the interval of group and commentaries on classics board and adjusting.

Moreover, the arrangement of the side sliding blocks and the self-tightening blocks provides a function of fixing the bent part of the workpiece, so that excessive bending cannot be effectively avoided; the lateral sliding blocks are directly stretched towards the outer side, the self-tightening blocks are pulled upwards, the workpiece can be fixed in an auxiliary mode through self-locking of the springs, the process steps of bending machining cannot be influenced, and rapid machining is facilitated.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of the present invention;

FIG. 2 is a schematic axial side view of an embodiment of the present invention;

FIG. 3 is a schematic side view of an embodiment of the present invention;

FIG. 4 is a schematic perspective view of a mold body according to an embodiment of the present invention;

FIG. 5 is a partial bottom view of an embodiment of the present invention;

FIG. 6 is a schematic perspective view of a top set according to an embodiment of the present invention;

FIG. 7 is a schematic bottom view of a rotating plate according to an embodiment of the present invention;

FIG. 8 is a schematic perspective view of a front frame block according to an embodiment of the present invention;

in fig. 1 to 8, the correspondence between the part names or lines and the reference numbers is:

1. a mold body; 101. a front through groove; 102. a cross groove; 103. a stopper; 104. a hand wheel shaft; 2. a front frame block; 201. a rack slot; 202. a lever; 203. a connecting rod; 204. a drive rack; 3. a central lead screw; 4. rotating the plate; 401. buckling grooves; 402. a top rod; 403. pulling the frame; 404. a spring slot; 405. a side chute; 406. a side slider; 407. self-tightening blocks; 408. a spring rod A; 409. a negative film; 410. a reset lever; 5. a side frame; 6. a floating module; 601. a threaded rod; 602. a guide bar; 603. a T-shaped hole; 604. a guide square hole; 605. tightly pushing the screw; 7. a top control; 701. a central shaft; 702. a linkage shaft; 8. a top group; 801. a lower slide plate; 802. a square guide plate; 803. and a spring rod B.

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.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," 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 "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. 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 to 8, an embodiment of the present invention includes: an anti-rebound bending die based on automobile part processing and a processing method thereof comprise a die body 1, wherein the rear side of the top of the die body 1 is provided with a downward-turning concave structure; the front frame block 2 is fixed in the middle of the front side of the die body 1; the front frame block 2 further comprises: the rack slot 201, the front side of the top of the front frame block 2 is integrally provided with a convex structure, and the middle of the bottom of the convex structure is provided with the rack slot 201; the top of the front frame block 2 is rotatably provided with a lever 202 through a hinge, the middle of the lever 202 is rotatably provided with a connecting rod 203 through a hinge, the other end of the connecting rod 203 is rotatably provided with a transmission rack 204 through a hinge, and the transmission rack 204 is in sliding connection with the rack groove 201; a central screw 3 is rotatably arranged between the front frame block 2 and the die body 1, and an inner ratchet gear meshed with the rack groove 201 is arranged at the front end of the central screw 3; the hand wheel shaft 104 is meshed with the central screw rod 3 through a gear; the rotating plate 4 is rotatably arranged at the top of the die body 1 through hinge connection, and the top surface of the rotating plate 4 is aligned with the top surface of the front side of the die body 1; the die body 1 further comprises: a front through groove 101 is formed in the middle of the die body 1 and penetrates through the front side; the die body 1 penetrates through two ends of the rear side of the front through groove 101 to form a cross groove 102, and a stop block 103 is fixedly arranged at the rear end of the cross groove 102; a hand wheel shaft 104 is rotatably arranged in the middle of the rear side of the die body 1; the rotating plate 4 further comprises: the rotary plate comprises a buckling groove 401, two groups of buckling grooves 401 are formed in the rear side of the bottom of the rotary plate 4, a top rod 402 is rotatably arranged in the buckling groove 401 through hinge connection, and a pull frame 403 is rotatably arranged at the other end of the top rod 402 through hinge connection; the main body of the pull frame 403 is of a U-shaped structure, the front end of the pull frame 403 is slidably arranged in the front through groove 101, and the rear end of the pull frame 403 is slidably arranged in the cross groove 102; the spring groove 404 is formed in the bottom of the rotating plate 4; the side sliding groove 405 is formed in the position, aligned with the spring groove 404, of two sides of the rotating plate 4; the rotating plate 4 further comprises: the side sliding block 406 is arranged at the lower half part of the side sliding groove 405 in a sliding manner; the self-tightening block 407 is slidably arranged at the upper half part of the side sliding chute 405, a spring rod A408 is fixedly arranged at the bottom of the self-tightening block 407, and the spring rod A408 penetrates through the side sliding block 406 to be sleeved with a spring and is fixedly provided with a bottom sheet 409; the inner end of the side sliding block 406 is fixedly provided with a reset rod 410, the reset rod 410 penetrates through the spring groove 404 to be sleeved with a spring, and a blocking piece is fixedly arranged on the reset rod 410; the floating module 6 is characterized in that fin structures are integrally arranged at the tops of two sides of the floating module 6, and a threaded rod 601 is rotatably arranged in the middle of each fin structure; two groups of side frames 5 are fixedly arranged at the tops of the front ends of the two sides of the die body 1, T-shaped grooves are formed in the tops of the side frames 5, and the threaded rods 601 are in threaded connection with the middle positions of the T-shaped grooves; the floating module 6 further comprises: two groups of guide rods 602 are fixedly arranged at the bottoms of the fin structures of the guide rods 602 and the floating module 6, and the guide rods 602 are connected with the side frames 5 in a sliding manner; t-shaped holes 603 and guide square holes 604 are formed in the floating module 6 in a staggered manner; the middle of the front side of the floating module 6 is provided with a jacking screw 605 through threaded connection; a top control part 7 is fixedly arranged at the top of the floating module 6; the top control 7 further comprises: a central shaft 701 is rotatably arranged in the middle of the top control 7; two groups of linkage shafts 702 are rotatably arranged on two sides of the top control part 7, and the two groups of linkage shafts 702 are in transmission connection with a central shaft 701 through bevel gears; the outer side of the linkage shaft 702 is in bevel gear transmission connection with the threaded rod 601; the back side of the top control 7 is provided with a top group 8.

Wherein, top group 8 still includes: the lower sliding plate 801 is integrally arranged on the front side of the bottom of the top group 8, and the lower sliding plate 801 is in sliding connection with the top control part 7; the front side of the top group 8 is provided with a square guide plate 802 and a spring rod B803 in a staggered manner; the square guide plate 802 is connected with the square guide hole 604 in a sliding manner; the spring rod B803 passes through the T-shaped hole 603, is sleeved with a spring and is fixedly provided with a circular sheet.

1) during positioning, a workpiece is placed at the tops of the die body 1 and the rotating plate 4, and a part of the workpiece needing to be stabilized is inserted at the bottom of the floating module 6; the central shaft 701 is rotated, the central shaft 701 drives the linkage shaft 702 to rotate through the bevel gear, the linkage shaft 702 drives the two groups of threaded rods 601 to synchronously rotate through the bevel gear, the threaded rods 601 lock the floating module 6 downwards through thread transmission, the workpiece is fixed through locking the bottom of the floating module 6 and the die body 1, and the bent part of the workpiece is aligned with the rear end of the top group 8 through fine adjustment;

2) positioning the turning part, aligning the bending position with the joint of the rotating plate 4 and the die body 1 when the bending part of the workpiece is aligned with the rear end of the jacking group 8, adjusting the position of the jacking group 8 according to the different thicknesses of the workpiece, and rotating the jacking screw 605 to jack the jacking group 8 to realize the adjustment of the distance between the jacking group 8 and the rotating plate 4;

3) during machining, the lever 202 is repeatedly swung, the transmission rack 204 is driven to transversely move through the connecting rod 203 when the lever 202 rotates, the transmission rack 204 drives the jacking screw 605 to rotate in one direction through the inner ratchet gear, the jacking screw 605 drives the pull frame 403 to move forwards through thread transmission, the pull frame 403 turns over the ejector rod 402 forwards through the ejector rod 402, and the workpiece is bent through the clamping position of the rotating plate 4 and the jacking group 8;

4) auxiliary positioning, namely directly stretching the side sliding block 406 outwards, and then pulling up the self-tightening block 407 upwards, so that the workpiece can be fixed in an auxiliary manner through self-locking of the spring, and the process steps of bending machining cannot be influenced;

5) when the hand wheel shaft 104 is reset, the hand wheel shaft 104 drives the central screw rod 3 to rotate through the gear, so that the rotating plate 4, the ejector rod 402 and the pull frame 403 are reset.

The working principle is as follows: when the device is used, a workpiece is placed at the tops of the die body 1 and the rotating plate 4, and the part of the workpiece needing to be stabilized is inserted at the bottom of the floating module 6; the central shaft 701 is rotated, the central shaft 701 drives the linkage shaft 702 to rotate through the bevel gear, the linkage shaft 702 drives the two groups of threaded rods 601 to synchronously rotate through the bevel gear, the threaded rods 601 lock the floating module 6 downwards through thread transmission, the workpiece is fixed through locking the bottom of the floating module 6 and the die body 1, and the bent part of the workpiece is aligned with the rear end of the top group 8 through fine adjustment; when the bending position of the workpiece is aligned with the rear end of the jacking group 8, the bending position needs to be aligned with the connection position of the rotating plate 4 and the die body 1, the position of the jacking group 8 needs to be adjusted according to different thicknesses of the workpiece, and the jacking screw 605 is rotated to jack the jacking group 8, so that the adjustment of the distance between the jacking group 8 and the rotating plate 4 can be realized; during processing, the lever 202 is repeatedly swung, when the lever 202 rotates, the transmission rack 204 is driven to transversely move through the connecting rod 203, the transmission rack 204 drives the tightening screw 605 to rotate in one direction through the inner ratchet gear, the tightening screw 605 drives the pull frame 403 to move forwards through thread transmission, the pull frame 403 turns over the ejector rod 402 forwards through the ejector rod 402, and the workpiece is bent through the clamping of the rotating plate 4 and the ejection group 8; the side sliding block 406 is directly stretched outwards, and then the self-tightening block 407 is pulled upwards, so that the workpiece can be fixed in an auxiliary manner through self-locking of the spring, and the process steps of bending machining cannot be influenced; the hand wheel shaft 104 is rotated, the hand wheel shaft 104 drives the central screw rod 3 to rotate through the gear, and the rotating plate 4, the ejector rod 402 and the pull frame 403 are reset.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an anti-rebound bending die and processing method based on auto-parts processing which characterized in that, bending die includes:

the rear side of the top of the die body is provided with a downward-turning concave structure;

the front frame block is fixed in the middle of the front side of the die body;

2. The anti-rebound bending die based on automobile part machining according to claim 1, wherein the die body further comprises:

3. The anti-rebound bending die based on automobile part machining according to claim 1, wherein the front frame block further comprises:

4. The anti-rebound bending die based on automobile part processing as set forth in claim 1, wherein the rotating plate further comprises:

the bottom of the rotating plate is provided with a spring groove;

5. The anti-rebound bending die based on automobile part processing as set forth in claim 1, wherein the rotating plate further comprises:

6. The automobile part machining-based anti-rebound bending die as claimed in claim 1, wherein two sets of side frames are fixedly arranged at the tops of the front ends of the two sides of the die body, T-shaped grooves are formed in the tops of the side frames, and the threaded rods are in threaded connection with the middle positions of the T-shaped grooves.

7. The anti-rebound bending die based on automobile part processing as set forth in claim 1, wherein the floating die set further comprises:

8. The automobile part machining-based anti-rebound bending die as set forth in claim 7, wherein the top control further comprises:

the center shaft is rotatably arranged in the middle of the top control piece;

9. The anti-rebound bending die based on automobile part processing as set forth in claim 8, wherein the top set further comprises:

10. The machining method of the anti-rebound bending die based on the automobile part machining is characterized by comprising the following steps of:

5) when the handle bar is reset, the handle bar shaft is rotated, and the handle bar shaft drives the central lead screw to rotate through the gear, so that the rotating plate, the ejector rod and the pull frame are rotated.