Simple arc pressing device

Abstract

The utility model relates to the technical field of arc pressing, and discloses a simple arc pressing device which comprises a base and a cylinder used for arc pressing guiding, the two sides of the base are connected with side plates respectively, the cylinder is arranged between the opposite side plates in a sealed connection mode, the opposite side plates are provided with arc-shaped grooves in a connected mode on the periphery of the cylinder, and the arc-shaped grooves and the cylinder are coaxially arranged. Pressing rods are slidably connected to the two opposite sides of the arc-shaped groove correspondingly, the free ends of the pressing rods penetrate through the arc-shaped groove, synchronous driving assemblies are connected to the ends of the pressing rods, a positioning assembly capable of positioning the middle of the base material is connected to the base, and a plurality of separation rings are slidably connected to the cylinder in the axial direction. Compared with the prior art, the double-side arc pressing device has the advantages that double-side matching arc pressing can be achieved, arc pressing operation can be conducted on a plurality of base materials at a time, arc pressing efficiency is improved, the two sides of the base materials are separated in a limited mode, deviation of the base materials in the arc pressing process is avoided, and arc pressing precision is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to arc pressing technical field, specifically point to a simple arc pressing device. BACKGROUND

[0002] Arc pressing is based on the plastic deformation principle of metal, and is a process technology for bending and forming plate by rolling tool. The pressure and friction force between the rolling tool and the plate make the plate produce bending deformation at the stress point, thereby achieving the required arc shape.

[0003] The existing arc pressing device is mostly fixed at one end of a single base material by a limiting piece, and then the other side of the base material is bent by manually operating the driving rolling tool. Only one base material can be pressed and operated at a time, the arc pressing efficiency is low, and the base material is easy to deviate during arc pressing because there is no limiting on both sides of the base material. UTILITY MODEL CONTENTS

[0004] I. Technical problems to be solved

[0005] The technical problem to be solved by the utility model is that the arc pressing operation is performed on one side, only one base material can be pressed and operated at a time, the arc pressing efficiency is low, and the base material is easy to deviate during arc pressing because there is no limiting on both sides of the base material.

[0006] II. Technical scheme

[0007] To solve the above technical problems, the utility model provides a technical scheme of a simple arc pressing device, which comprises a base, a cylinder for arc pressing and guiding, side plates connected to the two sides of the base, the cylinder being sealingly connected between the opposite side plates, an arc-shaped groove being connected to the outer periphery of the cylinder opposite the side plates, the arc-shaped groove being coaxially arranged with the cylinder, pressure rods being slidingly connected to the two sides of the arc-shaped groove, the free ends of the pressure rods penetrating the arc-shaped groove and being connected to synchronous driving assemblies at the ends, a positioning assembly being connected to the base and capable of positioning the middle part of the base material, a plurality of separation rings being slidingly connected to the cylinder in the axial direction, and a fixing assembly being connected to the cylinder and capable of fixing the separation rings.

[0008] Further, the synchronous driving assembly comprises a rotating shaft connected to the two sides of the side plate, the other end of the rotating shaft being connected to a driving rod, the driving rod being connected to a driving groove, one end of the driving rod being connected to a driving handle, gears being connected to the rotating shaft, the gears being meshed with each other, the driving handle driving the driving rod, the driving rod driving the rotating shaft to rotate the gears, one side gear driving the other side gear to rotate in the opposite direction with the rotating shaft as the axis, the driving rod driving the pressure rod to move along the arc-shaped groove, and the driving groove avoiding interference with the movement of the pressure rod.

[0009] Further, the positioning assembly comprises a guide frame connected to the middle part of the base, a bottom wall of the guide frame is connected with an electromagnet which can be electrified, a permanent magnet is slidably connected in the guide frame, the electromagnet repels the permanent magnet after being electrified, the permanent magnet slides upward along the guide frame by electrifying the electromagnet, and then the middle part of the base is limited between the cylinder and the permanent magnet.

[0010] Further, the cylinder is circumferentially connected with a plurality of sliding grooves which are arranged in parallel with the axis of the cylinder, and the separation ring is oppositely connected with a sliding block, and the sliding block is in sliding fit with the sliding grooves, so that the separation ring can be translated along the axis of the cylinder by the sliding fit of the sliding block and the sliding grooves according to the width of the base material.

[0011] Further, the fixing assembly comprises an air vent connected to one side of the side plate, the air vent is in communication with the cylinder, a plurality of tapered holes are uniformly arranged on the inner wall of the cylinder in the axis direction of the sliding groove, the tapered holes are in communication with the sliding grooves, the tapered holes are connected with sealing balls through elastic members, and a limiting groove is oppositely connected on the sliding block and matched with the sealing balls, when the cylinder is inflated through the air vent, the air pressure in the cylinder increases and drives the sealing balls outward, so that the sealing balls penetrate the tapered holes and are matched with the limiting groove on the sliding block to realize the positioning of the separation ring; when the position of the separation ring needs to be changed, the cylinder is deflated through the air vent, and the sealing balls are no longer matched with the limiting groove under the resetting action of the elastic members, so that the separation ring can be slid by the sliding fit of the sliding block and the sliding groove.

[0012] Further, the pressure rod is rotatably connected with a roller between the opposite side plates, and the sliding friction between the outer wall of the pressure rod and the base material during the process of driving the base material to press the arc is converted into the rolling friction between the roller and the base material, so that the friction is reduced.

[0013] Further, the side plate is connected with a scale line on one side of the arc-shaped groove, and the scale line can be used to control the arc pressing angle and improve the arc pressing precision.

[0014] Three, beneficial effects

[0015] The utility model discloses compared with prior art has the advantages that:

[0016] 1. The base material is positioned in the middle part through the positioning assembly, and then the two side pressure rods are driven to move along the arc-shaped groove simultaneously through the synchronous driving assembly, so that the pressure rod can drive the base material along the arc-shaped groove, the two sides of the base material can be simultaneously pressed along the outer wall of the cylinder, and the arc pressing efficiency is improved.

[0017] 2. The cooperation of the separation ring and the fixing assembly facilitates the limiting of the two sides of the base material of different widths, avoids displacement of the base material during arc pressing, and improves arc pressing precision. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a structural schematic diagram of a simple arc pressing device.

[0019] Figure 2 is a side view structural schematic diagram of a simple arc pressing device.

[0020] Figure 3 is a side view structural schematic diagram of a simple arc pressing device.

[0021] Figure 4 is Figure 3 is an enlarged structural schematic diagram of A.

[0022] As shown in the drawings: 1, base, 2, cylinder, 3, side plate, 4, arc-shaped groove, 5, pressing rod, 6, separation ring, 7, drive rod, 8, shaft, 9, drive groove, 10, drive handle, 11, gear, 12, guide frame, 13, electromagnet, 14, permanent magnet, 15, sliding groove, 16, sliding block, 17, air vent, 18, taper hole, 19, sealing ball, 20, limiting groove, 21, roller, 22, scale line. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0024] Embodiment one

[0025] In combination with the drawings Figure 1 and Figure 2A simple arc pressing device, comprising a base 1, the base 1 and a cylinder 2 for arc guiding, the base 1 is connected with a side plate 3 on both sides, the cylinder 2 is sealingly connected between the opposite side plates 3, the opposite side plates 3 are connected with an arc-shaped groove 4 on the outer periphery of the cylinder 2, the side plate 3 is connected with a scale line 22 on one side of the arc-shaped groove 4, the arc-shaped groove 4 is coaxially arranged with the cylinder 2, the arc-shaped groove 4 is slidingly connected with a pressing rod 5 on both sides, the pressing rod 5 is rotatably connected with a roller 21 between the opposite side plates 3, the free end of the pressing rod 5 penetrates the arc-shaped groove 4 and is connected with a synchronous driving assembly at the end, the synchronous driving assembly comprises a rotating shaft 8 connected with the side plates 3 on both sides, the other end of the rotating shaft 8 is connected with a driving rod 7, the driving rod 7 is connected with a driving groove 9, the driving groove 9 is matched with the pressing rod 5, one end of the driving rod 7 is connected with a driving handle 10, the rotating shaft 8 is connected with a gear 11, the gears 11 are engaged with each other;

[0026] Through the above structure, the synchronous driving assembly drives the pressing rods 5 on both sides to simultaneously extrude the base material along the direction of the arc-shaped groove 4, so that the base material on both sides can be simultaneously pressed along the outer wall of the cylinder 2, improving the arc pressing efficiency.

[0027] Combined with the accompanying drawings Figure 3 The base 1 is connected with a positioning assembly for positioning the middle part of the base material, the positioning assembly comprises a guide frame 12 connected with the middle part of the base 1, the bottom wall of the guide frame 12 is connected with an electromagnet 13 that can be electrified, the guide frame 12 is slidingly connected with a permanent magnet 14, the electromagnet 13 repels the permanent magnet 14 after being electrified;

[0028] Through the above structure, the electromagnet 13 repels the permanent magnet 14 after being electrified to realize the positioning of the middle part of the base material, which is convenient for controlling the arc pressing angle of the base material.

[0029] Embodiment two

[0030] Combined with the accompanying drawings Figure 1 , Figure 3 and Figure 4The cylinder 2 is axially slidably connected with a plurality of partition rings 6, the cylinder 2 is circumferentially connected with a plurality of sliding grooves 15, the sliding grooves 15 are parallel to the axis of the cylinder 2, the partition rings 6 are oppositely connected with sliding blocks 16, the sliding blocks 16 are slidably connected with the sliding grooves 15, the cylinder 2 is connected with a fixing assembly which can fix the partition rings 6, the fixing assembly comprises a vent 17 connected to one side of the side plate 3, the vent 17 is in communication with the cylinder 2, a plurality of tapered holes 18 are uniformly connected to the inner wall of the cylinder 2 in the axial direction of the sliding groove 15, the tapered holes 18 are in communication with the sliding groove 15, the tapered holes 18 are connected with sealing balls 19 through elastic members, the sliding blocks 16 are oppositely connected with limiting grooves 20, and the limiting grooves 20 are matched with the sealing balls 19.

[0031] By moving the partition ring 6 according to the different widths of the base material and positioning the position of the partition ring 6 through the fixing assembly, the base material can be prevented from shifting during the arc pressing process, and a plurality of base materials can be simultaneously subjected to arc pressing operation, thereby avoiding interference between adjacent base materials during arc pressing.

[0032] The specific use method is as follows:

[0033] Firstly, the cylinder 2 is fixedly connected to the side plate 3, the middle part of the base material is positioned through the positioning assembly, the electromagnet 13 is energized, the electromagnet 13 repels the permanent magnet 14 after being energized, the permanent magnet 14 slides upward along the guide frame 12, and then the middle part of the base material is limited between the cylinder 2 and the permanent magnet 14.

[0034] Then, the two side pressing rods 5 are driven to move relatively along the arc-shaped groove 4 through the synchronous driving assembly, the driving rod 7 is driven by the driving handle 10, the distance between the driving handle 10 and the rotating shaft 8 is greater than the distance between the rotating shaft 8 and the pressing rod 5, the length of the force arm is lengthened, the labor can be saved, the rotating shaft 8 is driven by the driving rod 7 to drive the gear 11 to rotate, one side gear 11 drives the other side gear 11 to rotate reversely through meshing to drive the other side driving rod 7 to rotate reversely with the rotating shaft 8 as the axis, the driving rod 7 drives the pressing rod 5 to move along the arc-shaped groove 4, the pressing rod 5 drives the base material to be subjected to arc pressing operation on the outer wall of the cylinder 2 at the same time, the arc pressing efficiency is improved, the setting of the roller 21 facilitates the sliding friction between the outer wall of the pressing rod 5 and the base material during the driving of the base material to be subjected to arc pressing operation to be converted into the rolling friction between the roller 21 and the base material, and the friction is reduced; and the setting of the driving groove 9 avoids interference with the movement of the pressing rod 5;

[0035] The cooperation of the partition ring 6 and the fixing assembly enables the partition ring 6 to translate along the axis of the cylinder 2 through the sliding cooperation of the sliding block 16 and the sliding groove 15 according to the width of the base material, the two sides of the base material with different widths are limited, the base material is prevented from shifting during the arc pressing process, the arc pressing precision is improved, and the specific operation is as follows:

[0036] When the position of the partition ring 6 needs to be changed, the air is released through the air vent 17, and the sealing ball 19 is no longer tightly matched with the limiting groove 20 under the restoring action of the elastic member, at this time the partition ring 6 can slide through the sliding cooperation of the sliding block 16 and the sliding groove 15; after sliding to the corresponding position according to the different width of the base material, when the air is filled into the cylinder 2 through the air vent 17, the air pressure in the cylinder 2 increases and is discharged outward, which drives the sealing ball 19, so that the sealing ball 19 penetrates the conical hole 18 and cooperates with the limiting groove 20 on the sliding block 16 against the elastic force of the elastic member, thereby realizing the positioning of each partition ring 6.

[0037] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0038] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments change, modify, replace, and vary in many ways without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

[0039] The above describes the present application and its embodiments, which is not restrictive, and the drawings only show one of the embodiments of the present application, and the actual structure is not limited thereto. In general, if a person skilled in the art is inspired by it, without departing from the creative purpose of the present application, without creative design, similar structure and embodiments of the technical scheme should belong to the protection scope of the present application.

Claims

1. A simple arc pressing device comprising a base (1) and a cylinder (2) for arc pressing guidance, characterized in that: The base (1) is connected with side plates (3) on both sides, the cylinder (2) is sealingly connected between the opposite side plates (3), and the arc-shaped grooves (4) are coaxially arranged on the outer periphery of the cylinder (2) opposite the side plates (3), the pressure rods (5) are slidingly connected on both sides of the arc-shaped grooves (4), the free ends of the pressure rods (5) penetrate the arc-shaped grooves (4) and are connected with synchronous driving assemblies at the ends, the base (1) is connected with a positioning assembly capable of positioning the middle part of the base material, and the cylinder (2) is axially slidingly connected with a plurality of separation rings (6), and the cylinder (2) is connected with a fixing assembly capable of fixing the separation rings (6).

2. A simple arc pressing device according to claim 1, characterized in that: The synchronous driving assembly comprises a rotating shaft (8) connected with the side plates (3) on both sides, a driving rod (7) connected with the other end of the rotating shaft (8), a driving groove (9) connected with the driving rod (7), and the driving groove (9) matched with the pressure rod (5), wherein one end of the driving rod (7) is connected with a driving handle (10), the rotating shaft (8) is connected with a gear (11) on both sides, and the gears (11) are meshed with each other.

3. A simple arc pressing device according to claim 1, characterized in that: The positioning assembly comprises a guide frame (12) connected with the middle part of the base (1), an electromagnet (13) connected with the bottom wall of the guide frame (12) and capable of being electrified, and a permanent magnet (14) slidingly connected in the guide frame (12), and the electromagnet (13) repels the permanent magnet (14) after being electrified.

4. The simple arc pressing device according to claim 1, characterized in that: The cylinder (2) is circumferentially connected with a plurality of sliding grooves (15), the sliding grooves (15) are arranged parallel to the axis of the cylinder (2), the separation rings (6) are oppositely connected with sliding blocks (16), and the sliding blocks (16) are slidingly matched with the sliding grooves (15).

5. A simple arc pressing device according to claim 4, characterized in that: The fixing assembly comprises an air vent (17) connected to one side of the side plate (3), the air vent (17) is in communication with the cylinder (2), a plurality of tapered holes (18) are uniformly connected to the inner wall of the cylinder (2) in the axis direction of the sliding groove (15), the tapered holes (18) are in communication with the sliding groove (15), the tapered holes (18) are connected with sealing balls (19) through elastic members, the sliding blocks (16) are oppositely connected with limiting grooves (20), and the limiting grooves (20) are matched with the sealing balls (19).

6. A simple arc pressing device according to claim 1, characterized in that: The pressure rods (5) between the opposite side plates (3) are rotatably connected with a roller (21).

7. A simple arc pressing device according to claim 1, characterized in that: The side plates (3) are connected with scale lines (22) on one side of the arc-shaped grooves (4).

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