CN211965540U

CN211965540U - Plate bending device of mixing mill

Info

Publication number: CN211965540U
Application number: CN202020452462.8U
Authority: CN
Inventors: 黄云凡
Original assignee: Chongqing Shangze Mechanical And Electrical Co ltd
Current assignee: Chongqing Shangze Mechanical And Electrical Co ltd
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2020-11-20
Anticipated expiration: 2030-03-31

Abstract

The utility model relates to a panel processing field specifically discloses a mixing roll plate body device of buckling, including die, terrace die and the driving piece that reduces the distance between die and the terrace die, the die is equipped with the bending groove who aligns with the terrace die towards the lateral wall of terrace die, and the terrace die is the arcwall face towards the side of die, and the die is equipped with supporting component towards the lateral wall of terrace die, and supporting component includes two at least supporting shoes, and two at least supporting shoes distribute in the both sides in bending groove, and the supporting shoe is articulated with the die. The utility model discloses can increase the area of contact with panel to avoid panel surface deformation.

Description

Plate bending device of mixing mill

Technical Field

The utility model relates to a panel processing field especially relates to a mixing roll plate body device of buckling.

Background

The mixing roll is a rubber mixing device for mixing raw rubber and compounding ingredients, and comprises an arc-shaped shell, and the shell is formed by bending a plate. At present, a bending machine is generally used for bending a sheet material, such as a sheet material bending device disclosed in the patent with the publication number CN208960685U, which comprises a bottom plate, a bending die and a driving device; the bending die comprises a die seat, a bending female die, a bending male die and two cushion blocks, wherein the bending female die is matched with the bending male die to bend a plate, the cushion blocks are fixed on the bending female die, and the cushion blocks are in contact with the plate when the bending male die applies force to the plate.

However, the cushion blocks are cylindrical, the plate is in linear contact with the cushion blocks, the contact surface is small, the pressure applied to the plate is large when the plate is bent by the bending male die, the pressure between the plate and the cushion blocks is large at the moment, the contact surface of the plate and the cushion blocks is easy to deform under the action of the pressure, strip-shaped grooves are formed in the surface of the plate, and when the plate subjected to bending forming is installed on the mixing roll, the grooves are located on the outer wall of the shell, the appearance of the mixing roll is greatly influenced, and the sale of the mixing roll is not facilitated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an increase and the area of contact's of panel device of buckling for avoid panel surface deformation.

In order to achieve the above purpose, the technical scheme of the utility model is that: mixing mill plate body bending device, including die, terrace die and the driving piece that reduces the distance between die and the terrace die, the die is equipped with the bending groove who aligns with the terrace die towards the lateral wall of terrace die, and the side of terrace die towards the die is the arcwall face, and the die is equipped with supporting component towards the lateral wall of terrace die, and supporting component includes two at least supporting shoes, and two at least supporting shoes distribute in the both sides in bending groove, and the supporting shoe is articulated with the die.

The beneficial effect of this scheme does:

the panel in this scheme can paste with the supporting shoe when placing between die and terrace die, and when the panel atress was crooked gradually, panel and supporting shoe contact department took place to rotate, and the supporting shoe can rotate thereupon this moment, and the contact between supporting shoe and the panel is the face contact, compares with line contact, and the contact surface in this scheme is bigger, and under the same circumstances of pressure, the pressure that the panel of unit area received is littleer, more is difficult to warp.

Furthermore, the supporting shoe is fixed with the buffer layer towards the lateral wall of terrace die.

The beneficial effect of this scheme does: the buffer layer is located between supporting shoe and the panel, avoids the direct supporting shoe contact with the stereoplasm of panel, further avoids panel to warp.

Furthermore, the supporting shoe is equipped with the draw-in groove towards the lateral wall of terrace die, and the buffer layer is fixed in the draw-in groove.

The beneficial effect of this scheme does: the relative slip takes place with the supporting shoe at the in-process of buckling for panel, and the buffer layer receives the frictional force effect of panel, and the draw-in groove plays limiting displacement to the buffer layer this moment, avoids the buffer layer to take place lateral sliding at the supporting shoe under the frictional force effect, leads to the buffer layer to drop from the supporting shoe.

Furthermore, one side of the supporting block, which is far away from the male die, is provided with a mandril for pushing the supporting block to rotate, and the mandril is connected with an ejection part for pushing the mandril.

The beneficial effect of this scheme does: after panel is buckled, the supporting shoe is in the rotation state, and the ejector pin in this scheme can promote supporting shoe antiport, makes the supporting shoe reset to when buckling next panel, the supporting shoe can laminate with next panel completely, need not the manual work and makes the supporting shoe reset, reduces workman's work load.

Further, the ejector rod penetrates through the female die and is in sliding connection with the female die.

The beneficial effect of this scheme does: the ejector pin can directly push the supporting block to rotate after sliding out of the female die,

furthermore, a clamping block is fixed on one side of the ejector rod away from the supporting block.

The beneficial effect of this scheme does: the fixture block plays the effect of restriction to the gliding distance of ejector pin, and when the fixture block offseted with the die, the ejector pin just made the supporting shoe reset, avoided the ejector pin roll-off distance too big, lead to supporting shoe turned angle too big.

Further, the fixture block is annular.

The beneficial effect of this scheme does: when the annular fixture block is in contact with the female die, the contact area is larger, and the fixture block and the female die are not easy to deform.

Furthermore, the male die is provided with two supporting surfaces which are positioned at two sides of the arc-shaped surface and are respectively opposite to the supporting blocks at two sides of the bending groove.

The beneficial effect of this scheme does: after the plate is bent, the two supporting surfaces of the male die can be attached to the end portion of the plate, the inner side of the plate is supported, the plate can be bent into a U shape, and the phenomenon that the plate is bent excessively due to the fact that the distance between the two ends of the plate is too small is avoided.

Further, a first limiting block is arranged on the lateral side of the female die.

The beneficial effect of this scheme does: first stopper in this scheme plays limiting displacement to the position of panel, when placing panel between die and terrace die, panel and first stopper counterbalance show promptly to wait to process the position and align with the bending groove, need not artifical judgement, take place the error when avoiding artifical judgement.

Furthermore, one side of the female die, which is far away from the first limiting block, is provided with a second limiting block and a positioning piece, and the positioning piece is connected with the second limiting block and used for pushing the second limiting block to slide.

The beneficial effect of this scheme does: the setting element can promote the panel of placing between die and terrace die when promoting the second stopper and slide, promotes panel as to the position that first stopper offsets, need not the manual work and promotes panel, avoids leading to promoting the work load of panel when waiting to bend panel too big.

Drawings

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

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a top transverse cross-sectional view of the female mold of FIG. 2;

FIG. 4 is a plan view of plate practical novel example 2.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the device comprises a workbench 1, a first limiting block 11, a second limiting block 12, a female die 2, a bending groove 21, an outer convex part 22, a supporting block 3, a mandril 31, an ejector piece 32, a clamping block 33, a connecting rod 34, a buffer layer 35, a male die 4 and a driving piece 41.

Example 1

Plate bending device of mixing mill, as shown in fig. 1, fig. 2 and fig. 3, including workstation 1, the frame, die 2, terrace die 4 and driving piece 41, workstation 1 welds in the frame, die 2 welds on workstation 1, terrace die 4 is located the right side of die 2 and the lower extreme of terrace die 4 is located workstation 1, driving piece 41 is located the right side of terrace die 4, driving piece 41 in this embodiment adopts the pneumatic cylinder, driving piece 41 passes through the bolt fastening in the frame, the push rod of driving piece 41 passes through the bolt fastening with terrace die 4. The right wall of the female die 2 is provided with a bent groove 21 with an opening facing the right, the bent groove 21 in the embodiment is arc-shaped, the bent groove 21 is opposite to the male die 4, the left wall of the male die 4 in the embodiment is an arc-shaped surface with the same bending radian as the bent groove 21, and the upper and lower side walls of the male die 4 are provided with supporting surfaces.

The right wall of the female die 2 is provided with a supporting component, the supporting component in this embodiment comprises two supporting blocks 3, the two supporting blocks 3 in this embodiment are respectively located at two sides of the bending groove 21, the right wall of the female die 2 is integrally formed with two outer convex portions 22, the two outer convex portions 22 are respectively located at two sides of the bending groove 21, and the two supporting blocks 3 are respectively hinged to right ends of the two outer convex portions 22. The right wall of supporting shoe 3 is equipped with the opening towards the right draw-in groove, and it has buffer layer 35 to glue in the draw-in groove, and buffer layer 35 in this embodiment adopts the rubber material, and buffer layer 35 right-hand member is located the right side of supporting shoe 3.

Ejector rods 31 are arranged on the left sides of the two support blocks 3, the ejector rods 31 are located on one sides, close to the bending grooves 21, of the outer convex portions 22, inclined planes opposite to the ejector rods 31 are arranged on the left walls of the support blocks 3, the inclined planes in the embodiment are inclined towards the right at the upper ends and inclined towards the left at the lower ends, and the right ends of the ejector rods 31 are spherical surfaces. The ejector rods 31 are transversely arranged, the left ends of the ejector rods 31 penetrate through the female die 2, gaps for the ejector rods 31 to slide relative to the female die 2 exist between the ejector rods 31 and the female die 2, annular fixture blocks 33 are welded at the left ends of the two ejector rods 31, and when the fixture blocks 33 abut against the left end of the female die 2, the right ends of the ejector rods 31 abut against the supporting blocks 3 and enable the supporting blocks 3 to be kept parallel to the right wall of the female die 2. The left side of the female die 2 is provided with an ejector 32, the ejector 32 in the embodiment adopts a hydraulic cylinder, the ejector 32 is fixed on the workbench 1 through a bolt, a connecting rod 34 is transversely welded on a push rod of the ejector 32, and the left ends of the two ejector rods 31 are welded on the connecting rod 34.

The specific implementation process of the bending device in this embodiment is shown in fig. 2:

initially, the male die 4 is located on the right side of the female die 2, the push rod of the ejector 32 extends out, the fixture block 33 abuts against the left end of the female die 2, and the right end of the ejector rod 31 abuts against the supporting block 3, so that the supporting block 3 is kept in a vertical state. The plate to be bent is vertically placed on the workbench 1 manually, the left wall of the plate is attached to the right wall of the supporting block 3, and the part of the plate to be bent is opposite to the bending groove 21. The ejector 32 is then actuated and the ram of the ejector 32 is controlled to retract until the right end of the ejector 31 no longer protrudes from the right end of the die 2. And then, the driving part 41 is started and the push rod of the driving part 41 is controlled to extend out, the male die 4 is pushed leftwards by the driving part 41, the part to be bent of the plate is bent leftwards after the male die 4 is contacted with the part to be bent of the plate, the upper part and the lower part of the plate rotate to one side close to the male die 4, and at the moment, the supporting block 3 also rotates along with the plate, so that a larger contact surface is kept between the supporting block and the plate, and the plate is prevented from being deformed in a concave manner.

After the bending of the plate reaches the preset requirement, the push rod of the driving piece 41 is controlled to retract, so that the punch 4 slides to the right, and the driving piece 41 is closed after the punch 4 is reset. And then, the plate slides leftwards for 5-10 cm, then the ejector 32 is started and the push rod of the ejector 32 is controlled to extend out, the ejector rod 31 pushes the supporting block 3 to rotate, one end, close to the bending groove 21, of the supporting block 3 pushes the plate rightwards, meanwhile, the plate slides rightwards manually, the supporting block 3 provides thrust for the plate to slide rightwards, and when the plate is large, the workload of workers for sliding out the plate is reduced. When the block 33 is abutted against the left wall of the female die 2, the ejector 32 is closed, and bending of one plate is completed.

Example 2

On the basis of embodiment 1, as shown in fig. 4, the upper and lower both sides of the female die 2 in this embodiment are respectively provided with a first stopper 11 and a second stopper 12, the first stopper 11, the second stopper 12 and the two supporting blocks 3 are located at the same straight line position, the first stopper 11 is welded on the workbench 1, the lower end of the second stopper 12 is placed on the workbench 1, a positioning member is arranged under the second stopper 12, the positioning member is fixed on the workbench 1 through a bolt, the positioning member in this embodiment adopts a hydraulic cylinder, a push rod of the positioning member is welded with the lower end of the second stopper 12, and the positioning member is used for pushing the second stopper 12 to slide.

When the bending device in this embodiment is used, initially, the push rod of the positioning member retracts into the positioning member, and the length between the second limiting block 12 and the first limiting block 11 is greater than the width of the plate. After the plate is placed on the workbench 1 and abutted against the supporting block 3, the positioning piece is started and the push rod of the positioning piece is controlled to stretch out, the second limiting block 12 is pushed upwards, the plate is pushed upwards by the second limiting block 12 until the plate is abutted against the first limiting block 11, and at the moment, the part of the plate to be bent is just opposite to the bending groove 21. Then the push rod of the positioning piece is controlled to retract, the second limiting block 12 slides downwards, and the positioning piece is closed after the second limiting block 12 is reset. The positioning piece and the second limiting block 12 in the scheme can automatically push the plate to the processing position, manual adjustment is not needed, and the workload of workers is further reduced. Otherwise, other operation steps in this embodiment are the same as those in embodiment 1, and are not described herein again.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the present invention and the practicability of the patent. The technology, shape and construction parts which are not described in the present invention are all known technology.

Claims

1. Mixing mill plate body device of buckling, including die, terrace die and the driving piece that reduces the distance between die and the terrace die, the die is equipped with the bending groove who aligns with the terrace die towards the lateral wall of terrace die, the side of terrace die towards the die is arcwall face, its characterized in that: the side wall of the female die facing the male die is provided with a supporting component, the supporting component comprises at least two supporting blocks, the at least two supporting blocks are distributed on two sides of the bending groove, and the supporting blocks are hinged with the female die.

2. The mixer plate bending apparatus according to claim 1, wherein: and a buffer layer is fixed on the side wall of the supporting block facing the male die.

3. The mixer plate bending apparatus according to claim 2, wherein: the lateral wall that the supporting shoe faced the terrace die is equipped with the draw-in groove, the buffer layer is fixed in the draw-in groove.

4. The mixer plate bending apparatus according to claim 1, wherein: and one side of the supporting block, which is far away from the male die, is provided with a mandril for pushing the supporting block to rotate, and the mandril is connected with an ejecting part for pushing the mandril.

5. The mixer plate bending apparatus according to claim 4, wherein: the ejector rod penetrates through the female die and is in sliding connection with the female die.

6. The mixer plate bending apparatus according to claim 5, wherein: and a clamping block is fixed on one side of the ejector rod away from the supporting block.

7. The mixer plate bending apparatus according to claim 6, wherein: the clamping block is annular.

8. The mixer plate bending apparatus according to claim 4, wherein: the male die is provided with two supporting surfaces, and the two supporting surfaces are positioned on two sides of the arc-shaped surface and are respectively opposite to the supporting blocks on two sides of the bending groove.

9. The mixer plate bending apparatus according to claim 1, wherein: and a first limiting block is arranged on the lateral side of the female die.

10. The mixer plate bending apparatus according to claim 9, wherein: one side of the female die, which is far away from the first limiting block, is provided with a second limiting block and a positioning piece, and the positioning piece is connected with the second limiting block and used for pushing the second limiting block to slide.