CN213767150U

CN213767150U - Plastic window rail bending equipment

Info

Publication number: CN213767150U
Application number: CN202022347361.7U
Authority: CN
Inventors: 朱海华
Original assignee: Zhejiang Deyu Technology Co ltd
Current assignee: Zhejiang Deyu Technology Co ltd
Priority date: 2020-10-20
Filing date: 2020-10-20
Publication date: 2021-07-23
Anticipated expiration: 2030-10-20

Abstract

The utility model relates to a plasticity window rail equipment of bending, including the workstation, install on the workstation and the relative convex die board of lateral wall offset and die board, install the pressure cylinder that is used for driving the relative convex die board of die board and removes along workstation length direction on the workstation, the convex die board is close to die board one side lateral wall and offers the shaping groove that supplies the section bar embedding, and when convex die board and die board lateral wall offset, form the shaping chamber unanimous with the finished product shape between convex die board and the die board. The effect of this application is that the precision of bending is high.

Description

Plastic window rail bending equipment

Technical Field

The application relates to the field of bending machines, in particular to plastic window rail bending equipment.

Background

The existing plastic window rail is generally made of modified plastics, and compared with general plastics, the strength and the shaping of the existing plastic window rail are greatly improved, and the existing plastic window rail can be bent to be suitable for various installation occasions. The window rail is formed by processing sectional materials, and the production process of the arc-shaped window rail comprises extrusion, shaping, cutting, bending and the like.

At present, the bending process of the section is finished manually, the bending part of the section needs to be heated, the ductility of the section is improved, and then the bending process is carried out. When bending, an operator respectively holds two ends of the section bar by two hands and applies force to the section bar to bend the section bar. Because the material molding can rebound slightly, the required finished product can be achieved by bending for many times.

In view of the above-described related art, the inventors considered that manual bending could not achieve the required accuracy.

Disclosure of Invention

In order to improve the precision of bending, this application provides a plastics window rail equipment of bending.

The application provides a plasticity window rail equipment of bending adopts following technical scheme:

the utility model provides a plasticity window rail equipment of bending, includes the workstation, install on the workstation and the relative convex die board of lateral wall counterbalance and die block, install on the workstation and be used for driving the die block and move along the pressure cylinder of workstation length direction along the relative convex die board, the convex die board is close to die block one side lateral wall and offers the shaping groove that supplies the section bar embedding, and when convex die board and die block lateral wall counterbalance, form the shaping chamber unanimous with the finished product shape between convex die board and the die block.

By adopting the technical scheme, the middle part of the section is heated before bending, so that the ductility of the section is improved. An operator manually pre-bends the profile and then places it in a forming groove. The pressure cylinder starts, and the piston rod of its tip drives the die board and moves to die board one side, and until die board and die board offset, the section bar is extruded by the die board, compelled to support tightly the shaping inslot wall, bends once more, and the shaping effect is better, and the precision is higher.

Preferably, the fixed slider that is equipped with of die board lower extreme, set up the spout that supplies the slider to wear to establish along its length direction on the workstation, the slider moves towards sliding connection in spout inner wall along the spout.

Through adopting above-mentioned technical scheme, set up the slider at the die block lower extreme, the gliding in-process of the relative die block of die block, the slider slides in the spout, because during both relative sliding, the slider lateral wall butt all the time in the spout inner wall, forms the guide effect of workstation length direction to and the spacing effect of workstation width direction.

Preferably, a guide rod is fixedly arranged in the sliding groove in a penetrating manner along the length direction of the sliding groove, the guide rod is arranged in the sliding block in a penetrating manner, and the sliding block is connected to the guide rod in a sliding manner along the length direction of the guide rod.

Through adopting above-mentioned technical scheme, set up the guide arm in order to provide the direction of workstation length direction for the cavity die plate equally, but the slider passes behind the guide arm, can not deviate from in the spout, and the removal in-process is more stable. When the male die plate and the female die plate are matched, the bending precision is reduced, which is caused by deviation of the matched positions of the male die plate and the female die plate due to instability of movement of the female die plate.

Preferably, the male die plate comprises a male die top plate and a male die bottom plate which are connected through bolts, and the female die plate comprises a female die top plate and a female die bottom plate which are connected through bolts.

Through adopting above-mentioned technical scheme, when the section bar radian that needs buckle changed, terrace die roof and die roof were changed to the accessible, reached the demand of other pattern section bars of buckling, had improved the commonality of mould, had higher practicality and economic benefits.

Preferably, the forming groove is formed in the side wall of the male die top plate, the force application grooves are further formed in the inner wall of the forming groove, and the two force application grooves are respectively located at two ends, far away from one side of the female die plate, of the forming groove.

Through adopting above-mentioned technical scheme, the section bar is by operator's back of buckling in advance, need use the mould to carry out secondary bending to it to improve the shaping effect. Because the bent section has a rebound tendency, the section cannot be completely attached to the inner wall of the forming groove after being placed in the forming groove, and the bending position deviation after die assembly can be caused, so that the bending precision of the section is influenced. After the force application groove is arranged, an operator presses the section bar from the force application groove and then bends the section bar for the second time, so that the section bar can be prevented from shifting, and the forming precision is improved.

Preferably, the pressure cylinder is a pedal cylinder.

Through adopting above-mentioned technical scheme, when the pressure cylinder is pedal cylinder, the operator only needs the foot to trample and can control the pressure cylinder and open and close, need not the hand operation, and the hand can be used for fixed section bar, and pedal cylinder provides great facility.

Preferably, an air cooling assembly for cooling the section is further mounted on the workbench.

Through adopting above-mentioned technical scheme, before buckling, need heat the section bar to improve ductility, be convenient for buckle. The higher the temperature, the higher the activity of the particles, and the shape needs to be shaped as soon as possible after the shape is formed. The air cooling assembly is arranged, so that air flow is accelerated, forming can be accelerated, and bending precision of the section bar is improved.

Preferably, the pressure cylinder includes the cylinder body, install in the cylinder body and wear out the piston rod of cylinder body in piston and tip along gliding piston of cylinder body length direction, the cylinder body both ends are connected with the intake pipe that only supplies gas to get into the cylinder body respectively and supply the two-way current outlet duct of air, the forced air cooling subassembly is close to the cooling tube of intake pipe one end, is used for the air pump for the pressure cylinder air feed including connecting the cylinder body, the cooling tube is kept away from cylinder body one end and is close to convex die board one side towards the concave die board.

By adopting the technical scheme, when the pressure cylinder drives the concave template to move towards one side away from the convex template, the air pump inflates air into the cylinder body through the air inlet pipe, and the air pressure difference of the two sides of the piston enables the piston to move towards one side of the air outlet pipe. And (4) closing the female die plate and the male die plate, and bending the section. After the bending is finished, the air pump inflates air into the cylinder body through the air outlet pipe, the piston moves to one side of the air inlet pipe due to air pressure difference of two sides of the piston, the air in the cylinder body can only be guided out from the cooling pipe due to one-way ventilation of the air inlet pipe, and the section bar is cooled after the mold opening. The mode can better utilize the pressure cylinder to achieve the air cooling effect, does not need to install other air cooling devices, and has high utilization rate.

In summary, the present application includes at least one of the following beneficial technical effects:

1. after manual pre-folding, the pressure cylinder drives the concave template to move towards one side of the convex template, the section bar is bent again, the forming effect is good, and the precision is high.

2. When the radian of the section bar needing to be bent is changed, the male die top plate and the female die top plate can be replaced, so that the universality of the die is improved.

3. The air cooling assembly is arranged, so that air flow is accelerated, forming can be accelerated, and bending precision of the section bar is improved.

Drawings

FIG. 1 is a schematic structural diagram illustrating a mold-open state in the present embodiment;

FIG. 2 is a schematic structural view showing a clamped state in the present embodiment;

FIG. 3 is a structural exploded view of the present embodiment;

fig. 4 is a schematic view of the construction of the pressure cylinder.

Description of reference numerals: 10. a work table; 11. a convex template; 111. a male die top plate; 112. a male die base plate; 12. a cavity plate; 121. a female die top plate; 122. a female die bottom plate; 13. forming a groove; 14. a force application groove; 15. a bolt; 20. a slider; 21. a chute; 22. a guide bar; 30. a pressure cylinder; 31. a cylinder body; 32. a piston; 33. a piston rod; 34. an air inlet pipe; 35. an air outlet pipe; 36. a one-way valve; 40. an air-cooled assembly; 41. a cooling tube; 42. an air pump; 43. a support frame; 50. and forming a cavity.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses plasticity window rail equipment of bending. Referring to fig. 1 and 2, the cooling system comprises a worktable 10, a male die plate 11 and a female die plate 12 which are installed on the worktable 10, a pressure cylinder 30 which drives the female die plate 12 to move relative to the male die plate 11, and an air cooling assembly 40 which is used for cooling the section bar. In the mold-closed state, the gap between the male mold plate 11 and the female mold plate 12 forms a molding cavity 50 conforming to the shape of the finished product.

Before the section is bent, a part of the section to be bent is heated, the section is manually pre-bent and then is placed on one side, close to the forming cavity 50, of the convex template 11, the pressure cylinder 30 is started to drive the concave template 12 to move towards one side of the convex template 11, the section is located in the forming cavity 50 and is pressed and formed, and the bending is finished. The air cooling assembly 40 cools the profile to accelerate its forming.

Specifically, referring to fig. 1 and 2, the punch plate 11 includes a punch top plate 111 and a punch bottom plate 112, the die plate 12 includes a die top plate 121 and a die bottom plate 122, bolts 15 are all arranged on the punch top plate 111 and the die top plate 121 along the vertical direction, four bolts 15 are respectively arranged on the punch top plate 111 and the die top plate 121, and the lower ends of the bolts 15 are respectively in threaded connection with the punch bottom plate 112 and the die bottom plate 122. And a forming groove 13 for placing the section is formed in one side of the male die top plate 111 close to the female die top plate 121. In order to bend the front fixed profile, two force applying grooves 14 are formed in the inner side wall of the forming groove 13, the two force applying grooves 14 are respectively located at two ends of one side of the forming groove 13, which is far away from the cavity plate 12, and the force applying grooves 14 are communicated with the upper end surface of the punch top plate 111.

Referring to fig. 3, the punch base plate 112 is welded on the surface of the worktable 10, the lower end of the die base plate 122 is fixedly provided with two sliding blocks 20, and the two sliding blocks 20 are arranged at intervals along the width direction of the worktable 10. The surface of the workbench 10 is provided with a sliding groove 21 along the length direction of the workbench 10, the sliding groove 21 is provided with two groups along the width direction of the workbench 10 at intervals, a guide rod 22 is further arranged in the sliding groove 21, the guide rod 22 is arranged along the length direction of the sliding groove 21, and two ends of the guide rod are fixedly connected to the inner wall of the sliding groove 21. The two sliding blocks 20 are respectively arranged in the two sliding grooves 21, the side walls of the sliding blocks 20 abut against the inner walls of the sliding grooves 21, and the sliding blocks 20 penetrate through the guide rods 22 and are connected to the guide rods 22 in a sliding mode along the length direction of the sliding grooves 21.

After the profile is pre-bent, it is clamped in the forming groove 13, and the operator's fingers fix the profile through the force application groove 14 at the same time. When the pedal of the pressure cylinder 30 is pedaled, the pressure cylinder 30 is started to drive the concave template 12 to move towards one side of the convex template 11, and the slide block 20 slides along the direction of the guide rod 22 to form guidance. After the male die plate 11 and the female die plate 12 are matched, the section is positioned in the forming cavity 50 and is pressed and formed. After the shaping is carried out for a period of time, the pressure cylinder 30 controls the concave template 12 to reset, and the bending of the section is finished. When the bending angle of the required section is changed, the bolt 15 is unscrewed, and the male die top plate 111 and the female die top plate 121 are replaced.

Specifically, referring to fig. 1 and 4, the pressure cylinder 30 is a pedal cylinder, and the pressure cylinder 30 includes a cylinder body 31, a piston 32 installed in the cylinder body 31, and a piston rod 33 fixedly connected to one end of the piston 32. The side wall of the piston 32 abuts against the inner wall of the cylinder 31 and is slidably connected to the inner wall of the cylinder 31 along the length direction of the cylinder 31, one end of the piston rod 33, which is far away from the piston 32, penetrates through the cylinder 31 and is hermetically disposed, and one end of the piston rod 33, which is far away from the piston 32, is fixedly connected to the side wall of the die base plate 122. An air inlet pipe 34 is connected to one side of the cylinder 31 far away from the piston rod 33, a one-way valve 36 for only allowing air to enter the cylinder 31 is installed on the air inlet pipe 34, and an air outlet pipe 35 is connected to one side of the cylinder 31 close to the piston rod 33.

The air-cooling unit 40 includes a cooling pipe 41 connected to a side of the cylinder 31 remote from the piston rod 33 and an air pump 42 for supplying air to the pressure cylinder 30. The air inlet pipe 34 and the air outlet pipe 35 are respectively connected with an air outlet end and an air inlet end of the air pump 42. A support frame 43 is fixedly mounted on the side of the worktable 10 close to the pressure cylinder 30, the cooling pipe 41 is fixedly mounted on the support frame 43, and one end of the cooling pipe 41 far away from the pressure cylinder 30 faces the forming groove 13.

After the section bar is fixed in the forming groove 13, the air pump 42 is started, the air pump 42 inflates air into the cylinder 31 through the air inlet pipe 34, and the piston 32 moves to one side of the air outlet pipe 35 due to the air pressure difference between the two sides of the piston 32. And (3) closing the female die plate 12 and the male die plate 11, and bending the section. After bending, the air pump 42 is used for inflating the cylinder 31 through the air outlet pipe 35, the piston 32 moves towards one side of the air inlet pipe 34 due to the air pressure difference between the two sides of the piston 32, the air in the cylinder 31 can only be led out from the cooling pipe 41 due to the fact that the air inlet pipe 34 is one-way ventilation, and the section is cooled when the air is led out from the cooling pipe 41, so that the forming efficiency of the section is improved.

The implementation principle of the plastic window rail bending equipment in the embodiment of the application is as follows: before the section is bent, the part of the section to be bent is heated, and manual pre-bending is carried out. The section bar is fixed in the molding groove 13, and after the pressure cylinder 30 is started, the concave template 12 is driven to move towards one side of the convex template 11, and the section bar is pressed and molded. The pressure cylinder 30 controls the concave die plate 12 to reset and simultaneously drives the air cooling assembly 40 to cool the section bar, so as to accelerate the forming of the section bar.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a plasticity window rail equipment of bending which characterized in that: including workstation (10), install on workstation (10) and convex die plate (11) and die board (12) that the lateral wall offseted, install on workstation (10) and be used for driving die board (12) and follow pressure cylinder (30) that workstation (10) length direction removed relatively convex die plate (11), forming groove (13) that supply the section bar embedding are seted up to the lateral wall of convex die plate (11) near die board (12) one side, when convex die plate (11) and die board (12) lateral wall offseted, form between convex die plate (11) and the die board (12) and become die cavity (50) unanimous with the finished product shape.

2. The plastic window rail bending apparatus of claim 1, wherein: the die board (12) lower extreme is fixed and is equipped with slider (20), offer the spout (21) that supplies slider (20) to wear to establish on workstation (10) along its length direction, slider (20) move towards sliding connection in spout (21) inner wall along spout (21).

3. The plastic window rail bending apparatus of claim 2, wherein: a guide rod (22) is fixedly arranged in the sliding groove (21) in a penetrating mode along the length direction of the sliding groove, the guide rod (22) is arranged in the sliding block (20) in a penetrating mode simultaneously, and the sliding block (20) is connected to the guide rod (22) in a sliding mode along the length direction of the guide rod (22).

4. The plastic window rail bending apparatus of claim 1, wherein: the male die plate (11) comprises a male die top plate (111) and a male die bottom plate (112) which are connected through bolts (15), and the female die plate (12) comprises a female die top plate (121) and a female die bottom plate (122) which are connected through bolts (15).

5. The plastic window rail bending apparatus of claim 1, wherein: the side wall of terrace die roof (111) is seted up in shaping groove (13), force application groove (14) have still been seted up to shaping groove (13) inner wall, force application groove (14) are equipped with two, are located shaping groove (13) respectively and keep away from the both ends of die board (12) one side.

6. The plastic window rail bending apparatus of claim 1, wherein: the pressure cylinder (30) is a pedal cylinder.

7. The plastic window rail bending apparatus of claim 1, wherein: and an air cooling assembly (40) for cooling the section is further arranged on the workbench (10).

8. The plastic window rail bending apparatus of claim 7, wherein: pressure cylinder (30) include cylinder body (31), install in cylinder body (31) and wear out piston rod (33) of cylinder body (31) gliding piston (32), fixed connection in piston (32) and tip along cylinder body (31) length direction, cylinder body (31) both ends are connected with intake pipe (34) that only supplies gas to get into cylinder body (31) and supply two-way current outlet duct (35) of air respectively, air-cooled subassembly (40) are close to cooling tube (41) of intake pipe (34) one end, are used for air pump (42) for pressure cylinder (30) air feed including connecting cylinder body (31), cooling tube (41) are kept away from cylinder body (31) one end and are close to convex die board (11) one side towards concave die plate (12).