CN210754710U

CN210754710U - Circular workpiece bending lower die

Info

Publication number: CN210754710U
Application number: CN201920678702.3U
Authority: CN
Inventors: 沈晓平
Original assignee: Wuxi Xinhe Fukang Precision Machinery Co ltd
Current assignee: Wuxi Xinhe Fukang Precision Machinery Co ltd
Priority date: 2019-05-13
Filing date: 2019-05-13
Publication date: 2020-06-16
Anticipated expiration: 2029-05-13

Abstract

The utility model discloses a circular workpiece lower mould of bending, including first mould mechanism, first mould mechanism includes first mould piece, the fixed slot has been seted up at the top of first mould piece, first mould groove has all been seted up at the top of first mould piece and the left and right sides that is located the fixed slot, the equal fixedly connected with fixed block in top of the fixed slot inner wall left and right sides, the bottom fixedly connected with slide bar of fixed block, the bottom of slide bar and the bottom fixed connection of fixed slot inner wall are through movable block swing joint between two slide bars. The utility model discloses a first bed die mechanism and second bed die mechanism mutually support, optimize to bender mould structure, are equipped with a circular workpiece lower mould of bending, effectively guarantee the bender add the circular radian of work piece man-hour, guarantee work piece processingquality, reduction in production cost improves the product yield, brings very big facility for work piece processing work.

Description

Circular workpiece bending lower die

Technical Field

The utility model relates to a mould technical field that bends specifically is a circular workpiece lower mould of bending.

Background

The bending machine mould is a tool for forming and processing the plate material by the bending machine, the tool is composed of various parts, different moulds are composed of different parts, the processing of the appearance of an article is realized mainly by changing the physical state of the formed material, and the bending machine mould is used for enabling a blank to be a tool for forming a finished piece with a specific shape and a specific size under the action of the pressure of the bending machine. The bending machine die comprises an upper die and a lower die of the bending machine and is used for stamping and forming and separating a plate, the forming die is provided with a cavity, and the separating die is provided with a cutting edge.

The common bending lower die can not ensure the circular radian of a workpiece when the bending machine is used for processing, so that the processing quality of the workpiece is reduced, and the yield of products is lower, thereby increasing the production cost and bringing great inconvenience to users.

SUMMERY OF THE UTILITY MODEL

The utility model provides a to above-mentioned problem, a circular workpiece lower mould of bending is provided.

In order to achieve the above object, the utility model provides a following technical scheme: a lower bending die for a circular workpiece comprises a first lower die mechanism, wherein the first lower die mechanism comprises a first die block, a fixed groove is formed in the top of the first die block, first die grooves are formed in the top of the first die block and positioned on the left side and the right side of the fixed groove, fixed blocks are fixedly connected to the top of the left side and the right side of the inner wall of the fixed groove, sliding rods are fixedly connected to the bottoms of the fixed blocks, the bottom ends of the sliding rods are fixedly connected with the bottom of the inner wall of the fixed groove, the two sliding rods are movably connected through a movable block, a first spring is sleeved on the surface of each sliding rod, a telescopic rod is fixedly connected to the bottom of each movable block, the bottom of each telescopic rod is fixedly connected with the bottom of the inner wall of the fixed groove, a second spring is sleeved on the surface of each telescopic rod, a connecting block is fixedly connected to the top of each movable block, the top of, the second lower die mechanism comprises a second die block, the top of the connecting block is fixedly connected with the second die block, second die grooves are formed in the left side and the right side of the bottom of the second die block, workpieces are arranged between the first die grooves and the second die grooves, and third die grooves are formed in the left side and the right side of the top of the second die block.

Preferably, the bottom end of the sliding rod penetrates through the movable block and extends to the outside of the movable block to be movably connected with the movable block.

Preferably, the top of the fixed block is fixedly connected with a supporting block, the bottom of the second die block is provided with a buffer slot, the top of the inner wall of the buffer slot is fixedly connected with a third spring, and the bottom end of the third spring is fixedly connected with the supporting block.

Preferably, the width of the buffer groove is greater than the width of the supporting block.

Preferably, the equal fixedly connected with stopper in the left and right sides of first mould piece, the top fixedly connected with limiting plate of stopper, the front side of limiting plate is opened and is equipped with the spacing groove, the rear side of work piece runs through the spacing groove and extends to its inside.

Preferably, the limiting groove is a semi-closed groove, the front part of the limiting groove is opened, and the rear part of the limiting groove is in a closed state.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a first bed die mechanism and second bed die mechanism mutually support, optimize to bender mould structure, are equipped with a circular workpiece lower mould of bending, effectively guarantee the bender add the circular radian of work piece man-hour, guarantee work piece processingquality, reduction in production cost improves the product yield, brings very big facility for work piece processing work.

2. The utility model discloses a supporting shoe, dashpot and third spring are mutually supported, when bending the work piece for the supporting shoe gets into the dashpot, has played the effect of buffering, mutually supports through stopper, limiting plate and spacing groove, has played and has carried out spacing effect to the work piece.

Drawings

FIG. 1 is a sectional view of the front view of the present invention;

FIG. 2 is a sectional view of the first lower mold mechanism of the present invention;

fig. 3 is a structural section view of a front view of a second lower mold mechanism according to the present invention.

In the figure: the die comprises a first lower die mechanism 1, a first die block 101, a fixed slot 102, a first die slot 103, a fixed block 104, a sliding rod 105, a movable block 106, a first spring 107, a telescopic rod 108, a second spring 109, a connecting block 110, a second lower die mechanism 2, a second die block 21, a second die slot 22, a third die slot 23, a workpiece 3, a supporting block 4, a buffer slot 5, a third spring 6, a limiting block 7, a limiting plate 8 and a limiting slot 9.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a lower die for bending a circular workpiece includes a first lower die mechanism 1, the first lower die mechanism 1 includes a first die block 101, a fixing groove 102 is formed at the top of the first die block 101, first die grooves 103 are formed at the top of the first die block 101 and located at the left and right sides of the fixing groove 102, fixing blocks 104 are fixedly connected to the top of the left and right sides of the inner wall of the fixing groove 102, sliding rods 105 are fixedly connected to the bottom of the fixing blocks 104, the bottom ends of the sliding rods 105 are fixedly connected to the bottom of the inner wall of the fixing groove 102, the two sliding rods 105 are movably connected to each other through a movable block 106, the bottom ends of the sliding rods 105 penetrate through the movable block 106 and extend to the outside to be movably connected to the movable block, a first spring 107 is sleeved on the surface of the sliding rods 105, a telescopic rod 108 is fixedly connected to the bottom of the movable block, the surface of the telescopic rod 108 is sleeved with two second springs 109, the top end and the bottom end of the second spring 109 positioned above are respectively and fixedly connected with the fixed block 104 and the movable block 106, the top end and the bottom end of the second spring 109 positioned below are respectively and fixedly connected with the movable block 106 and the bottom of the inner wall of the fixed groove 102, the first spring 107, the telescopic rod 108 and the second spring 109 are arranged to be matched with each other, so that the function of buffering the workpiece 3 is achieved, the circular radian of the workpiece 3 during the bending machine processing is ensured, the top of the movable block 106 is fixedly connected with a connecting block 110, the top of the connecting block 110 penetrates through the fixed groove 102 and extends to the outside of the fixed block and is fixedly connected with a second lower die mechanism 2, the second lower die mechanism 2 comprises a second die block 21, the top of the connecting block 110 is fixedly connected with the second die block 21, and the top of the fixed, the bottom of the second die block 21 is provided with a buffer groove 5, the top of the inner wall of the buffer groove 5 is fixedly connected with a third spring 6, the bottom end of the third spring 6 is fixedly connected with the supporting block 4, the width of the buffer groove 5 is larger than that of the supporting block 4, the buffer groove 5 and the third spring 6 are matched with each other, when the workpiece 3 is bent, the supporting block 4 enters the buffer groove 5 to play a role of buffering, the left side and the right side of the bottom of the second die block 21 are both provided with second die grooves 22, the workpiece 3 is arranged between the first die groove 103 and the second die grooves 22, the left side and the right side of the first die block 101 are both fixedly connected with limit blocks 7, the top of the limit blocks 7 is fixedly connected with limit plates 8, the front sides of the limit plates 8 are provided with limit grooves 9, the rear sides of the workpiece 3 penetrate through the limit grooves 9 and extend to the interior of, and the anterior opening of spacing groove 9, the rear portion is the closure state, through stopper 7, limiting plate 8 and spacing groove 9 mutually support, it carries out spacing effect to work piece 3 to have played, third mould groove 23 has all been seted up to the left and right sides at second mould piece 21 top, mutually support through first lower mould mechanism 1 and second lower mould mechanism 2, the bending machine mould structure is optimized, be equipped with the lower mould of bending of a circular workpiece 3, effectively guarantee the circular radian of work piece 3 when the bender adds man-hour, guarantee work piece 3 processingquality, and therefore, the production cost is reduced, the product yield is improved, bring very big facility for the processing work.

During the use, the first lower die mechanism 1 and the second lower die mechanism 2 move through the driving of the upper die, the workpiece 3 is firstly placed into the third die groove 23, the workpiece 3 is processed into an arc shape through the upper die of the bending machine, then the arc-shaped workpiece 3 is placed into the first die groove 103 again, the workpiece 3 is limited through the limiting groove 9, the second die block 21 is in the downward movement process, so that the third die groove 23 is in contact with the arc-shaped workpiece 3, the arc-shaped workpiece 3 is processed again through the upper die of the bending machine, the arc-shaped workpiece 3 is bent into a circle, the circular radian of the workpiece 3 during the processing of the bending machine is effectively guaranteed, the processing quality of the workpiece 3 is guaranteed, the production cost is reduced, and the yield of products is improved.

In summary, the following steps: this circular workpiece lower mould of bending through first lower mould mechanism 1 and the 2 mutually supporting of second lower mould mechanism, has solved the problem that the circular radian of work piece can not be guaranteed to add man-hour at the bender to common lower mould of bending.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a circular workpiece lower mould of bending, includes first lower mould mechanism (1), its characterized in that: the first lower die mechanism (1) comprises a first die block (101), a fixed groove (102) is formed in the top of the first die block (101), first die grooves (103) are formed in the top of the first die block (101) and located on the left side and the right side of the fixed groove (102), fixed blocks (104) are fixedly connected to the tops of the left side and the right side of the inner wall of the fixed groove (102), sliding rods (105) are fixedly connected to the bottoms of the fixed blocks (104), the bottom ends of the sliding rods (105) are fixedly connected to the bottoms of the inner wall of the fixed groove (102), the two sliding rods (105) are movably connected through movable blocks (106), a first spring (107) is sleeved on the surface of each sliding rod (105), a telescopic rod (108) is fixedly connected to the bottom of each movable block (106), and the bottom of each telescopic rod (108) is fixedly connected to the bottom of the inner wall of the fixed groove (102), the surface of telescopic link (108) has cup jointed second spring (109), the top fixedly connected with connecting block (110) of movable block (106), fixed slot (102) is run through and extend to its outside fixedly connected with second bed die mechanism (2) in the top of connecting block (110), second bed die mechanism (2) include second mould piece (21), the top and second mould piece (21) fixed connection of connecting block (110), second mould groove (22) have all been seted up to the left and right sides of second mould piece (21) bottom, be provided with work piece (3) between first mould groove (103) and second mould groove (22), third mould groove (23) have all been seted up to the left and right sides at second mould piece (21) top.

2. The lower die for bending the circular workpiece according to claim 1, wherein: the bottom end of the sliding rod (105) penetrates through the movable block (106) and extends to the outside of the movable block to be movably connected with the movable block.

3. The lower die for bending the circular workpiece according to claim 1, wherein: the die is characterized in that a supporting block (4) is fixedly connected to the top of the fixing block (104), a buffer groove (5) is formed in the bottom of the second die block (21), a third spring (6) is fixedly connected to the top of the inner wall of the buffer groove (5), and the bottom end of the third spring (6) is fixedly connected with the supporting block (4).

4. The lower die for bending the circular workpiece according to claim 3, wherein: the width of the buffer groove (5) is larger than that of the supporting block (4).

5. The lower die for bending the circular workpiece according to claim 1, wherein: the equal fixedly connected with stopper (7) of the left and right sides of first mould piece (101), top fixedly connected with limiting plate (8) of stopper (7), spacing groove (9) have been seted up to the front side of limiting plate (8), the rear side of work piece (3) runs through spacing groove (9) and extends to its inside.

6. The lower die for bending the circular workpiece according to claim 5, wherein: the limiting groove (9) is a semi-closed groove, the front part of the limiting groove (9) is open, and the rear part of the limiting groove is closed.