Braking device for plate rolling machine

Abstract

The present invention discloses a braking device for a plate rolling machine, comprising a roller shaft and two frame plates, wherein the roller shaft is movably installed between the two frame plates through a bearing seat, an automatic braking mechanism is arranged at one end of the roller shaft, and a manual braking mechanism is arranged at the other end of the roller shaft, and a cone head with an integrated structure is fixedly arranged at one end of the shaft roller at the position of the automatic braking mechanism. The present invention has a simple structure and a strong braking force. When braking is required, the cylinder is started, and when the sleeve is gradually sleeved on the cone head through the cone groove, and the top block is inserted into the inclined notch under the action of the top plate, the top block can be pressed down, and at this time, the friction column can fit with the surface of the roller shaft, and the roller shaft can be braked by friction, thereby increasing the braking emergency stop speed of the roller shaft, and when the automatic braking mechanism fails, manual operation can be performed through the manual braking mechanism, thereby ensuring normal braking and ensuring the safety of the staff.

Description

Technical Field

[0001] The present invention relates to the technical field of plate rolling machines, and more specifically, to a braking device for plate rolling machines. Background Art

[0002] At present, small hydraulic transmission devices are installed on the two lower rollers of the fully hydraulic plate rolling machine to realize the driving and braking of the lower roller. The upper and lower rollers of the plate rolling machine are equipped with hydraulic transmission devices (motor and reducer). It is difficult to achieve synchronization when braking the upper and lower rollers during the plate rolling process. The lower roller cannot be braked quickly and suddenly, which may easily cause workers to touch it and cause injuries. Summary of the invention

[0003] The object of the present invention is to provide a braking device for a plate rolling machine.

[0004] In order to achieve the above-mentioned purpose, the technical solution adopted by the present invention is as follows: a braking device for a plate rolling machine, comprising a roller shaft and two frame plates, the roller shaft is movably installed between the two frame plates through a bearing seat, an automatic braking mechanism is arranged at one end of the roller shaft, one end of the shaft roller is located at the position of the automatic braking mechanism and is fixedly provided with a conical head of an integral structure, the conical head is located at the outside of the frame plate, a support plate is fixedly installed on the outer surface of the frame plate near the position of the automatic braking mechanism, the automatic braking mechanism comprises a cylinder, a sleeve, a slide box and a pressure cylinder, the cylinder is fixedly installed on the upper surface of the support plate, the sleeve is fixedly welded to the piston rod of the cylinder, and a surface on one side of the sleeve is provided with a conical head having a size corresponding to the conical head relative to the position of the conical head Corresponding to the conical groove, the slide box is laterally fixedly installed on the upper surface of the frame plate, the end of the slide box close to the roller shaft position is connected and fixedly installed with a pressure cylinder, a friction column is movably inserted at the lower end of the pressure cylinder, a limit plate is fixedly installed in the middle of the pressure cylinder, a through hole is opened in the middle of the limit plate, a connecting rod is movably inserted in the through hole, the lower end of the connecting rod is fixedly connected to the friction column, and a top block is fixedly installed on the upper end of the connecting rod, and an inclined groove is opened on the upper surface of the top block. A top plate is slidably arranged inside the slide box, and an inclined notch is opened on the lower surface of the end of the top plate close to the pressure cylinder position, and a sliding groove opening is opened on the lower surface of the slide box, and a slide plate is fixedly welded on the upper end of the sleeve, the slide plate is movably inserted in the sliding groove opening, and the upper end of the slide plate is fixedly connected to the top plate.

[0005] Preferably, the manual brake mechanism includes a U-shaped support frame, a pedal, a pull rod and a semicircular clamping plate. A receiving slot is vertically provided on the outer surface of the frame plate near the position of the manual brake mechanism. The U-shaped support frame is fixedly installed on the outer surface of the frame plate, and the U-shaped support plate is located at the lower end of the receiving slot. The middle part of the pedal is movably installed in the opening of the U-shaped support frame through a pin shaft, and one end of the pedal is movably inserted in the receiving slot. An open slot is provided at one end of the pedal located at the receiving slot position, and the lower end of the pull rod is movably hinged in the open slot. The semicircular clamping plate is fixedly welded to the upper end of the pull rod, and the upper surface of the semicircular clamping plate fits with the lower surface of the other end of the roller.

[0006] Preferably, a first friction plate is fixedly bonded to the inner surface of the conical groove, and the size of the developed surface of the first friction plate corresponds to the size of the developed surface of the conical groove.

[0007] Preferably, the size of the inclined notch corresponds to the size of the inclined notch.

[0008] Preferably, the movable sleeve on the connecting rod is provided with a spring, and the spring is located between the top block and the limiting plate. Under the action of the spring, the lowest end of the inclined notch of the limiting plate is flush with the highest end of the inclined notch.

[0009] Preferably, the friction column and the first friction plate are both made of wear-resistant material.

[0010] Preferably, a second friction plate is fixedly mounted on the upper surface of the semicircular clamping plate.

[0011] Preferably, a counterweight is fixedly mounted on the lower surface of one end of the pedal, and the counterweight is located below the opening slot.

[0012] Compared with the prior art, the advantages of the present invention are:

[0013] The present invention has a simple structure and a strong braking force. When braking is needed, the cylinder is started. When the sleeve is gradually sleeved on the conical head through the conical groove, and the top block is pushed by the top plate, its inclined notch is inserted into the inclined groove, so the top block can be pressed down. At this time, the friction column can fit with the surface of the roller shaft, and the roller shaft can be braked by friction, thereby increasing the braking emergency stop speed of the roller shaft. When the automatic braking mechanism fails, manual operation can be performed through the manual braking mechanism, thereby ensuring normal braking and ensuring the safety of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 It is a structural diagram of a braking device for a plate rolling machine according to the present invention.

[0016] Figure 2 It is a cross-sectional view of a braking device for a plate rolling machine according to the present invention.

[0017] Figure 3 yes Figure 2 A schematic diagram of the enlarged structure in the middle.

[0018] Figure 4It is a side view of the top block of the present invention.

[0019] Figure 5 It is a cross-sectional view of the manual brake mechanism of the present invention.

[0020] Figure 6 It is a side view of the manual brake mechanism of the present invention.

[0021] In the figure: 1 roller, 2 frame plate, 3 support plate, 4 cylinder, 5 sleeve, 6 slide box, 7 pressure cylinder, 8 conical head, 9 conical groove, 10 first friction plate, 11 friction column, 12 limit plate, 13 connecting rod, 14 top block, 15 spring, 16 inclined notch, 17 slide plate, 18 slide notch, 19 top plate, 20 inclined notch, 21 accommodating notch, 22 U-shaped support frame, 23 pedal, 24 open groove, 25 counterweight, 26 pull rod, 27 semicircular clamping plate, 28 second friction plate. DETAILED DESCRIPTION

[0022] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0023] See also Figure 1-Figure 4 As shown, the present invention provides a braking device for a plate rolling machine, including a roller shaft 1 and two frame plates 2. The roller shaft 1 is movably installed between the two frame plates 2 through a bearing seat. An automatic braking mechanism is arranged at one end of the roller shaft 1. A conical head 8 with an integrated structure is fixedly arranged at one end of the roller shaft 1 at the position of the automatic braking mechanism. The conical head 8 is located at the outer side of the frame plate 2. A support plate 3 is fixedly installed on the outer surface of the frame plate 2 near the position of the automatic braking mechanism. The automatic braking mechanism includes a cylinder 4, a sleeve 5, a slide box 6 and a pressure cylinder 7. The cylinder 4 is fixedly installed on the upper surface of the support plate 3. The sleeve 5 is fixedly welded to the piston rod of the cylinder 4. A conical groove 9 corresponding to the size of the conical head 8 is opened on one side surface of the sleeve 5 relative to the position of the conical head. The slide box 6 is laterally fixedly installed on the upper surface of the frame plate 2 , one end of the slide box 6 near the roller shaft 1 is connected and fixedly installed with a pressure cylinder 7, a friction column 10 is movably inserted at the lower end of the pressure cylinder 7, a limit plate 12 is fixedly installed in the middle of the pressure cylinder 7, a through hole is opened in the middle of the limit plate 12, a connecting rod 13 is movably inserted in the through hole, the lower end of the connecting rod 13 is fixedly connected to the friction column 10, a top block 14 is fixedly installed on the upper end of the connecting rod 13, an inclined notch 16 is opened on the upper surface of the top block 14, a top plate 19 is slidably arranged inside the slide box 5, an inclined notch 20 is opened on the lower surface of the end of the top plate 19 near the pressure cylinder 7, a sliding groove opening 18 is opened on the lower surface of the slide box 5, a slide plate 17 is fixedly welded on the upper end of the sleeve 5, the slide plate 17 is movably inserted in the sliding groove opening 18, and the upper end of the slide plate 17 is fixedly connected to the top plate 19.

[0024] In order to avoid the situation where the automatic brake mechanism fails and cannot brake, in this embodiment, the manual brake mechanism includes a U-shaped support frame 22, a pedal 23, a pull rod 26 and a semicircular clamping plate 27. The outer surface of the frame plate 2 is vertically provided with a receiving groove 21 near the position of the manual brake mechanism. The U-shaped support frame 22 is fixedly installed on the outer surface of the frame plate 2, and the U-shaped support plate 22 is located at the lower end of the receiving groove 21. The middle part of the pedal 23 is movably installed in the opening of the U-shaped support frame 22 through a pin shaft. One end of the pedal 23 is movably inserted into the It is arranged in the accommodating slot 21, and an opening slot 24 is provided at one end of the pedal 23 located at the accommodating slot 21. The lower end of the pull rod 26 is movably hinged in the opening slot 24. The semicircular clamping plate 27 is fixedly welded to the upper end of the pull rod 26. The upper surface of the semicircular clamping plate 27 is in contact with the lower surface of the other end of the roller 1. When the automatic braking mechanism fails, the pedal 23 is stepped on by the foot, and one end of the pedal 23 rises. At this time, the semicircular clamping plate 27 can clamp the other end of the roller 1, and the roller 1 can be braked by friction.

[0025] In this embodiment, a first friction plate 10 is fixedly bonded to the inner surface of the conical groove 9 , and the size of the unfolded surface of the first friction plate 10 corresponds to the size of the unfolded surface of the conical groove 9 .

[0026] In this embodiment, the size of the inclined notch 20 corresponds to the size of the inclined notch 20 .

[0027] In this embodiment, a spring 15 is movably sleeved on the connecting rod 13 , and the spring 15 is located between the top block 14 and the limiting plate 12 . Under the action of the spring 15 , the lowest end of the inclined notch 16 of the limiting plate 12 is flush with the highest end of the inclined notch 20 .

[0028] In this embodiment, the friction column 11 and the first friction plate 10 are both made of wear-resistant material.

[0029] Preferably, a second friction plate 28 is fixedly mounted on the upper surface of the semicircular clamping plate 27 .

[0030] Preferably, a counterweight 25 is fixedly mounted on the lower surface of one end of the pedal 23, and the counterweight 25 is located below the opening slot 24. When no force is applied, the pedal 23 can be horizontal, and the semicircular clamping plate 27 is detached from the roller shaft in the horizontal state.

[0031] Working principle: when braking is needed, start the cylinder 4, and the cylinder 4 pushes the sleeve 5 to move toward the conical head 8. At this time, the inclined notch 20 of the top plate 19 also moves toward the inclined slot 16 of the top block 14. When the sleeve 5 is gradually sleeved on the conical head 8 through the conical groove 9, the roller 1 can be braked by friction. Under the action of the top plate 19, the inclined notch 20 of the top block 14 is inserted into the inclined slot 16, which can press the top block 14 downward. At this time, the friction column 11 can fit with the surface of the roller 1, thereby increasing the braking force of the roller 1. When the automatic braking mechanism fails, by stepping on the pedal 23 with the foot, one end of the pedal 23 rises. At this time, the semicircular clamping plate 27 can clamp the other end of the roller 1, and the roller 1 can be braked by friction.

[0032] Although the embodiments of the present invention are described in conjunction with the accompanying drawings, the patent owner may make various variations or modifications within the scope of the appended claims. As long as they do not exceed the protection scope described in the claims of the present invention, they should be within the protection scope of the present invention.

Claims

1. A braking device for a plate rolling machine, comprising a roller shaft and two frame plates, wherein the roller shaft is movably mounted between the two frame plates through a bearing seat, and an automatic braking mechanism is arranged at one end of the roller shaft, characterized in that: A manual braking mechanism is arranged at the other end of the roller shaft, and a conical head of an integral structure is fixedly arranged at one end of the roller shaft at the position of the automatic braking mechanism. The conical head is located at the outer side of the frame plate, and a support plate is fixedly installed on the outer surface of the frame plate near the position of the automatic braking mechanism. The automatic braking mechanism comprises a cylinder, a sleeve, a sliding box and a pressure cylinder. The cylinder is fixedly installed on the upper surface of the support plate, and the sleeve is fixedly welded to the piston rod of the cylinder. A conical groove corresponding to the size of the conical head is provided on the surface of one side of the sleeve relative to the position of the conical head. The sliding box is fixedly installed on the upper surface of the frame plate laterally, and the sliding box is close to the roller shaft. One end of the shaft position is connected and fixedly installed with a pressure cylinder, a friction column is movably inserted at the lower end of the pressure cylinder, a limit plate is fixedly installed in the middle of the pressure cylinder, a through hole is opened in the middle of the limit plate, a connecting rod is movably inserted in the through hole, the lower end of the connecting rod is fixedly connected to the friction column, and a top block is fixedly installed on the upper end of the connecting rod, and an inclined notch is opened on the upper surface of the top block; a top plate is slidably arranged inside the slide box, an inclined notch is opened on the lower surface of one end of the top plate close to the pressure cylinder position, a sliding groove opening is opened on the lower surface of the slide box, a slide plate is fixedly welded on the upper end of the sleeve, the slide plate is movably inserted in the sliding groove opening, and the upper end of the slide plate is fixedly connected to the top plate; A first friction plate is fixedly bonded to the inner surface of the conical groove, and the size of the developed surface of the first friction plate corresponds to the size of the developed surface of the conical groove; The oblique notch size corresponds to the oblique notch size; The movable sleeve on the connecting rod is provided with a spring, and the spring is located between the top block and the limiting plate. Under the action of the spring, the lowest end of the inclined notch of the limiting plate is flush with the highest end of the inclined notch.

2. A brake device for a plate rolling machine according to claim 1, characterized in that: The manual brake mechanism includes a U-shaped support frame, a pedal, a pull rod and a semicircular clamping plate. A receiving slot is vertically opened on the outer surface of the frame plate near the position of the manual brake mechanism. The U-shaped support frame is fixedly installed on the outer surface of the frame plate, and the U-shaped support plate is located at the lower end of the receiving slot. The middle part of the pedal is movably installed in the opening of the U-shaped support frame through a pin shaft, and one end of the pedal is movably inserted in the receiving slot. An open slot is opened at one end of the pedal located at the receiving slot position, and the lower end of the pull rod is movably hinged in the open slot. The semicircular clamping plate is fixedly welded to the upper end of the pull rod, and the upper surface of the semicircular clamping plate fits with the lower surface of the other end of the roller.

3. A brake device for a plate rolling machine according to claim 1, characterized in that: The friction column and the first friction plate are both made of wear-resistant material.

4. A brake device for a plate rolling machine according to claim 2, characterized in that: A second friction plate is fixedly mounted on the upper surface of the semicircular clamping plate.

5. A brake device for a plate rolling machine according to claim 2, characterized in that: A counterweight is fixedly mounted on the lower surface of one end of the pedal, and the counterweight is located below the opening slot.

Images