CN218946092U

CN218946092U - Bar cutting die

Info

Publication number: CN218946092U
Application number: CN202223377081.6U
Authority: CN
Inventors: 涂雪龙; 涂佳欣; 涂佳丽
Original assignee: Ningbo Xuelongwang Hydraulic Technology Co ltd
Current assignee: Ningbo Xuelongwang Hydraulic Technology Co ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-05-02
Anticipated expiration: 2032-12-14

Abstract

The utility model provides a bar cuts off mould relates to stamping die technical field, including mould body, cutting board, preceding cutter body, back cutter body fixed mounting is in the mould body, be provided with the guide way on the mould body, the cutting board sets up in the guide way, the preceding cutter body is installed on the cutting board, be provided with the pan feeding hole that is used for placing the bar on the back cutter body, the cutting board is used for driving preceding cutter body and pushes down thereby cuts off the bar, be provided with the supplementary unloading mechanism rather than the follow-up on the cutting board, supplementary unloading mechanism is used for supporting the unloading end of bar; the bar cutting die can clamp the bar, so that the blanking end of the bar moves along with the cutter body, the cutting surface of the bar is quite smooth, the corner collapse phenomenon is avoided, and the production efficiency is improved.

Description

Bar cutting die

Technical Field

The disclosure relates to the technical field of stamping dies, and more particularly relates to a bar cutting die.

Background

The bar such as round steel need cut off the unloading when mass production, and common unloading mode has band saw unloading, mould unloading etc. wherein band saw unloading inefficiency, machining precision is low, and its cut-off surface is uneven, brings inconvenience for subsequent processing, and ordinary mould unloading, though improved machining efficiency, when cutting off, the bar relies on dead weight to unload, and its cut-off surface can take place to warp, produces the angle of collapsing, and the roughness of cut-off surface is poor for still need additionally to process its cut-off surface when following the use, very big reduction production efficiency has caused economic loss simultaneously.

The patent of publication No. CN102806266B provides a bar cutting and blanking die, which comprises a bottom plate, a positioning seat, a support, two pull rods, a wedge and two guide posts, wherein a spring seat, a push plate and a spring are fixed on the two pull rods; a female die with an inner hole is fixedly arranged at the upper end of the support, a male die cover plate is fixedly arranged at one side of the female die, a male die with an inner hole is arranged between the male die cover plate and the female die in a sliding manner, the male die is connected with a push plate, and a trough is arranged at the lower part of the male die cover plate; a slide block is placed on the inclined plane of the inclined wedge, a pushing rod, a slide way cover plate, a slide way bottom plate, a rear baffle plate and a pushing pull rod are arranged around the slide block, the front end of the pushing rod is located in a long groove of a support, two guide posts are provided with sliding seats, the middle parts of the sliding seats are provided with yielding grooves, the inclined wedge is located in the yielding grooves, the pushing pull rod is sleeved with a pushing spring, the slide way cover plate is connected with an upper connecting plate, and the slide way bottom plate is connected with another pushing plate. The disclosure adopts a punch with a full circular cutting edge to reduce the phenomenon of corner collapse, but only adopts a punch with a full circular cutting edge, and the flatness of a cutting die is still not ideal.

Disclosure of Invention

The utility model provides a to among the prior art, can warp when the bar cuts off and produce the angle of collapsing, the problem that the cut-off surface is not enough smooth provides a bar cutting die, it can avoid appearing the angle phenomenon of collapsing, the cut-off surface is level and smooth, production efficiency is high.

The technical scheme adopted for solving the technical problems is as follows:

the utility model provides a bar cuts off mould, includes mould body, cutting board, preceding cutter body, back cutter body fixed mounting is in the mould body, be provided with the guide way on the mould body, the cutting board sets up in the guide way, preceding cutter body is installed on the cutting board, be provided with the pan feeding hole that is used for placing the bar on the back cutter body, the cutting board is used for driving preceding cutter body to push down thereby cuts off the bar, be provided with rather than the auxiliary blanking mechanism of follow-up on the cutting board, auxiliary blanking mechanism is used for supporting the unloading end of bar.

In some embodiments, the back cutter body is clamped with the mold body by a lock block.

In some embodiments, the auxiliary blanking mechanism comprises a reset plate, a first reset spring and a transition plate, wherein the transition plate is connected with the knife plate, the first reset spring is arranged between the transition plate and the reset plate, and a push rod is arranged on the transition plate and used for supporting the blanking end of the bar stock.

In some embodiments, the ejector rod is arranged as a screw rod and supported below the blanking end of the bar, the front cutter body is arranged as a full-round blade edge, and the ejector rod is positioned in front of the front cutter body, so that when the cutter plate is pressed down, the ejector rod moves along with the cutter plate, the blanking end of the bar moves along with the ejector rod, and the cut surface is ensured to be flat.

In some embodiments, the auxiliary blanking mechanism further comprises a first locking oil cylinder, the first locking oil cylinder is connected with the transition plate, and the first return spring is connected with the first locking oil cylinder and the return plate.

In some embodiments, the front cutter body is provided with a semicircular edge, the top surface of the ejector rod is provided with a semicircular notch matched with the bar, the ejector rod is located right below the front edge, and the first locking oil cylinder enables the ejector rod and the front cutter body to clamp the blanking end of the bar.

In some embodiments, the auxiliary blanking mechanism further comprises a second locking cylinder, the locking block is located above the bar, and the second locking cylinder is arranged above the locking block and used for driving the locking block to press down, and one side of the feeding end of the bar is clamped with the rear cutter body through the locking block.

In some embodiments, an opening is formed in the rear cutter body, close to the cutting surface, and a locking block is arranged at the opening.

In some embodiments, a second return spring is disposed between the lock block and the mold body, the second return spring being used to return the lock block.

In some embodiments, the front cutter body is a square cutter body, which has two cutters with the same structure, and the cutters are semicircular cutters.

Compared with the prior art, the bar cutting die provided by the disclosure is provided with an auxiliary blanking mechanism, so that a bar can be clamped, the blanking end of the bar moves along with a cutter body, the cut surface of the bar is smooth, the corner collapse phenomenon is avoided, secondary processing on the cut surface of the bar is avoided, material loss is avoided, production cost is reduced, and production efficiency is improved.

Drawings

The present disclosure will be described in further detail below in conjunction with the drawings and preferred embodiments, but those skilled in the art will appreciate that these drawings are drawn for the purpose of illustrating the preferred embodiments only and thus should not be taken as limiting the scope of the present disclosure. Moreover, unless specifically indicated otherwise, the drawings are merely schematic representations, not necessarily to scale, of the compositions or constructions of the described objects and may include exaggerated representations.

Fig. 1: the first structural schematic diagram of the bar cutting die embodiment provided by the disclosure;

fig. 2: another angular structural schematic of a bar stock cutting die embodiment one provided by the present disclosure;

fig. 3: a cross-sectional isometric view of a bar cutting die embodiment one provided by the present disclosure;

fig. 4: the present disclosure provides a schematic partial structure of a first embodiment of a bar cutting die;

fig. 5: the present disclosure provides a schematic diagram of a die body of a first embodiment of a bar cutting die;

fig. 6: the second embodiment of the bar cutting die provided by the disclosure is a schematic structural diagram;

fig. 7: another angular structural schematic diagram of a bar stock cutting die embodiment two provided by the present disclosure;

fig. 8: a cross-sectional isometric view of a second embodiment of a bar cutting die provided by the present disclosure;

fig. 9: the second embodiment of the bar cutting die provided by the disclosure is partially structurally schematic;

fig. 10: the second embodiment of the bar cutting die is a schematic diagram of a die body of a second embodiment of the bar cutting die;

fig. 11: the third embodiment of the bar cutting die provided by the disclosure is a schematic structural diagram;

fig. 12: another angular structural schematic diagram of a bar stock cutting die embodiment three provided by the present disclosure;

fig. 13: a cross-sectional isometric view of a third embodiment of a bar cutting die provided by the present disclosure;

fig. 14: the third embodiment of the bar cutting die provided by the disclosure is a schematic partial structure;

fig. 15: the present disclosure provides a schematic diagram of a die body of a bar cutting die embodiment three;

1, a die body; 11. a locking block; 101. a guide groove; 2. a knife board; 3. a front cutter body; 4. a rear cutter body; 51. a reset plate; 52. a first return spring; 53. a transition plate; 54. a push rod; 55. a first locking cylinder; 56. the second locking oil cylinder; 57. a second return spring; 6. and (5) bar stock.

Detailed Description

The present disclosure is described in detail below with reference to the accompanying drawings.

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present disclosure will be further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present disclosure.

It will be appreciated by those skilled in the art that in the present utility model, the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. refer to an orientation or positional relationship based on that shown in the drawings, which is merely for convenience of description and to simplify the description, rather than to indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore the above terms should not be construed as limiting the utility model.

Embodiment one:

as shown in fig. 1 to 5, the cutting die for the bar 6 provided in this embodiment includes a die body 1, a knife board 2, a front knife body 3 and a rear knife body 4, the rear knife body 4 is fixedly installed in the die body 1, a guide groove 101 is vertically provided on the die body 1, the knife board 2 is arranged in the guide groove 101, the front knife body 3 is installed on the knife board 2, a feeding hole for placing the bar 6 is provided on the rear knife body 4 along the horizontal direction, the knife board 2 can be pressed down under the action of a power device, and then the front knife body 3 is driven to cut off the bar 6, an auxiliary blanking mechanism which is driven by the cutter board 2 is also provided, namely, the auxiliary blanking mechanism can synchronously move along with the pressing of the knife board 2, and is used for supporting the blanking end of the bar 6, so that the blanking end of the bar 6 can move along with the knife board 2, and the bar 6 is prevented from falling down along with the self-weight of the knife board 2 when cutting, thereby the cut surface of the bar 6 is not quite flat and does not collapse.

Further, the back cutter body 4 is arranged in the die body 1, and the back cutter body 4 is clamped through the locking block 11, so that the back cutter body 4 is prevented from loosening in the cutting process.

It is understood that the power means for pressing down the blade 2 may be a press, an oil cylinder, or the like.

Further, in this embodiment, the front cutter body 3 is configured as a full circular blade, and during feeding, the bar 6 needs to pass through the rear cutter body 4 and the front cutter body 3 at the same time.

Further, the auxiliary blanking mechanism comprises a reset plate 51, a first reset spring 52 and a transition plate 53, the transition plate 53 is connected below the cutting plate 2, the first reset spring 52 is installed between the transition plate 53 and the reset plate 51, the first reset spring 52 can enable the cutting plate 2 to move upwards for resetting after finishing blanking so as to perform next cutting, a push rod 54 is arranged on the transition plate 53, the push rod 54 is used for supporting the blanking end of the bar 6, and the push rod 54 moves along with the cutting plate 2, so that the section of the bar 6 is flat when being cut off.

Furthermore, in this embodiment, the ejector rod 54 is configured as a screw rod and is supported below the discharging end of the bar 6, and the ejector rod 54 is located in front of the front cutter body 3, so that the supporting effect of the ejector rod on the bar 6 is better.

In this embodiment, the auxiliary blanking mechanism adopts the screw rod to support the bar 6, the structure is simple, the production cost is low, the flatness of the cut surface of the bar 6 can be greatly improved, in addition, as an optimization, the front cutter body 3 in this embodiment adopts a full-round edge, so that the position of the ejector rod 54 can be arranged in front of the front cutter body 3, the supporting effect is better, in other embodiments, the front cutter body 3 can also adopt a semicircular edge, and meanwhile, the ejector rod 54 is arranged under the front cutter body 3 to provide support for the bar 6.

Embodiment two:

as shown in fig. 6 to 10, the cutting die for the bar 6 provided in this embodiment includes a die body 1, a cutter plate 2, a front cutter body 3 and a rear cutter body 4, the rear cutter body 4 is fixedly installed in the die body 1, a guide groove 101 is vertically provided on the die body 1, the cutter plate 2 is arranged in the guide groove 101, the front cutter body 3 is installed on the cutter plate 2, a feeding hole for placing the bar 6 is provided on the rear cutter body 4 along the horizontal direction, the cutter plate 2 can be pressed down under the action of a power device, and then the front cutter body 3 is driven to cut off the bar 6, an auxiliary blanking mechanism which is driven by the cutter plate 2 is also provided, namely, the auxiliary blanking mechanism can synchronously move along with the pressing of the cutter plate 2, and is used for supporting the blanking end of the bar 6, so that the blanking end of the bar 6 can move along with the cutter plate 2, and the bar 6 is prevented from falling down along with the cutter plate 2 due to the dead weight of the cutter plate, so that the cut surface of the bar 6 cannot collapse very smoothly.

Further, the auxiliary blanking mechanism comprises a reset plate 51, a first reset spring 52, a transition plate 53 and a first locking oil cylinder 55, the transition plate 53 is connected below the cutter plate 2, the first locking oil cylinder 55 is connected with the transition plate 53, the first reset spring 52 is connected with the first locking oil cylinder 55 and the reset plate 51, the first reset spring 52 can enable the cutter plate 2 to move upwards and reset after blanking is completed so as to perform next cutting, a push rod 54 is arranged on the transition plate 53, the push rod 54 is used for supporting the blanking end of the bar 6, and the push rod 54 moves along with the cutter plate 2, so that the section of the bar 6 is flat when the bar 6 is cut off.

Still further, in this embodiment, the front cutter body 3 is configured as a semicircular edge, the ejector rod 54 is located under the front edge, a semicircular notch matched with the bar 6 is provided on the top surface of the ejector rod 54, and the first cylinder enables the ejector rod 54 and the front cutter body 3 to clamp the blanking end of the bar 6, so that the cut surface of the bar 6 is smoother.

Compared with the first embodiment, the first locking oil cylinder 55 for clamping the discharging end of the bar 6 is added, so that the discharging end of the bar 6 is clamped more tightly, the flatness of the cutting surface is higher, and the first embodiment is provided with only one locking oil cylinder, so that the structure is simpler, and the production cost is not obviously improved.

Embodiment III:

as shown in fig. 11 to 15, the cutting die for the bar 6 provided in this embodiment includes a die body 1, a cutter plate 2, a front cutter body 3 and a rear cutter body 4, the rear cutter body 4 is fixedly installed in the die body 1, a guide groove 101 is vertically provided on the die body 1, the cutter plate 2 is arranged in the guide groove 101, the front cutter body 3 is installed on the cutter plate 2, a feeding hole for placing the bar 6 is provided on the rear cutter body 4 along the horizontal direction, the cutter plate 2 can be pressed down under the action of a power device, and then the front cutter body 3 is driven to press down the bar 6, so that the bar 6 is cut off, an auxiliary blanking mechanism which is driven by the cutter plate 2 is also provided, namely, the auxiliary blanking mechanism can synchronously move along with the pressing down of the cutter plate 2, and is used for supporting the blanking end of the bar 6, so that the blanking end of the bar 6 can move along with the cutter plate 2, and the bar 6 is prevented from falling down due to the dead weight of the cutter plate 2 during cutting, and therefore the cut surface of the bar 6 cannot collapse very.

Still further, in this embodiment, the front cutter body 3 is configured as a semicircular edge, the ejector rod 54 is located under the front edge, a semicircular notch matched with the bar 6 is provided on the top surface of the ejector rod 54, and the first cylinder enables the ejector rod 54 and the front cutter body 3 to clamp the blanking end of the bar 6, so that the cut surface of the bar 6 is quite flat.

In this embodiment, the front cutter body 3 is preferably a square cutter body, which has two symmetrically arranged cutters with the same structure, and the cutters are semicircular cutters, when one cutter is worn, the other cutter can be replaced for continuous use, thereby reducing the cost of materials and processing.

Further, the auxiliary blanking mechanism further comprises a second locking oil cylinder 56, the locking block 11 is located above the bar 6, the second locking oil cylinder 56 is arranged above the locking block 11 and used for driving the locking block 11 to press down, the locking block 11 not only can clamp the rear cutter body 4, but also can clamp the feeding side of the bar 6 under the action of the second locking oil cylinder 56, the two ends of the section of the bar 6 are clamped when the bar is cut, meanwhile, the blanking end of the bar 6 moves along with the cutter plate 2, so that the cutting precision is higher, the flatness is better, in addition, a second reset spring 57 is arranged between the locking block 11 and the die main body, and the second reset spring 57 can reset the locking block 11 so as to cut the bar next time.

Still further, be close to the section department on the back cutter body 4 and be provided with the opening, latch segment 11 sets up in the opening part, just the bottom surface of latch segment 11 is provided with the breach with bar 6 matched with to make the section of latch segment 11 better with bar 6 contact, locking effect is better, and with the latch segment 11 setting in the position that is close to the section department, be close to the position of bar 6 stress point promptly, can be better guarantee the sectional roughness.

Compared with the second embodiment, the second locking oil cylinder 56 for clamping the feeding side of the bar 6 is added, so that both sides of the cutting surface of the bar 6 are locked, the flatness and cutting precision are higher, secondary processing is not needed for the cut bar 6, and the working efficiency is greatly improved.

The foregoing disclosure has been presented in a detail description, with specific examples being used herein to illustrate the principles and embodiments of the disclosure, the above examples being provided solely to assist in the understanding of the disclosure and core ideas. It should be noted that it would be apparent to those skilled in the art that various improvements and modifications could be made to the present disclosure without departing from the principles of the present disclosure, and such improvements and modifications would be within the scope of the claims of the present disclosure.

Claims

1. A bar cuts off mould, its characterized in that: including mould body (1), cutting board (2), preceding cutter body (3), back cutter body (4) fixed mounting is in mould body (1), be provided with guide way (101) on mould body (1), cutting board (2) set up in guide way (101), preceding cutter body (3) are installed on cutting board (2), be provided with the pan feeding hole that is used for placing bar (6) on back cutter body (4), thereby cutting board (2) are used for driving preceding cutter body (3) and push down bar (6) and cut off, be provided with on cutting board (2) rather than follow-up supplementary unloading mechanism, supplementary unloading mechanism is used for supporting the unloading end of bar (6).

2. A bar stock cutting die as claimed in claim 1, wherein: the auxiliary blanking mechanism comprises a reset plate (51), a first reset spring (52) and a transition plate (53), wherein the transition plate (53) is connected with the knife plate (2), the first reset spring (52) is arranged between the transition plate (53) and the reset plate (51), a push rod (54) is arranged on the transition plate (53), and the push rod (54) is used for supporting the blanking end of the bar stock (6).

3. A bar stock cutting die as claimed in claim 2, wherein: the ejector rod (54) is arranged as a screw rod and is supported below the blanking end of the bar (6), the front cutter body (3) is arranged as a full-circular-edge cutter edge, and the ejector rod (54) is positioned in front of the front cutter body (3).

4. A bar stock cutting die as claimed in claim 2, wherein: the auxiliary blanking mechanism further comprises a first locking oil cylinder (55), the first locking oil cylinder (55) is connected with the transition plate (53), and the first reset spring (52) is connected with the first locking oil cylinder (55) and the reset plate (51).

5. A bar stock cutting die as defined in claim 4, wherein: the front cutter body (3) is provided with a semicircular edge, the top surface of the ejector rod (54) is provided with a semicircular notch matched with the bar (6), the ejector rod (54) is positioned right below the front edge, and the first locking oil cylinder (55) enables the ejector rod (54) to clamp the blanking end of the bar (6) with the front cutter body (3).

6. A bar stock cutting die as claimed in claim 2 or claim 5, wherein: the rear cutter body (4) is clamped with the die body (1) through the locking block (11).

7. A bar stock cutting die as defined in claim 6, wherein: the auxiliary blanking mechanism further comprises a second locking oil cylinder (56), the locking block (11) is located above the bar (6), and the second locking oil cylinder (56) is arranged above the locking block (11) and used for driving the locking block (11) to be pressed down.

8. A bar stock cutting die as defined in claim 7, wherein: an opening is formed in the rear cutter body (4) close to the cutting surface, a locking block (11) is arranged at the opening, and a notch matched with the bar (6) is formed in the bottom surface of the locking block (11).

9. A bar stock cutting die as recited in claim 8, wherein: a second return spring (57) is arranged between the locking block (11) and the die main body, and the second return spring (57) is used for resetting the locking block (11).

10. A bar stock cutting die as claimed in claim 9, wherein: the front cutter body (3) is a square cutter body and is provided with two cutters with the same structure.