CN217941450U - Can ensure bender that department of bending atress evenly improves yields - Google Patents

Abstract

The utility model relates to the technical field of bending machines, and discloses a bending machine capable of ensuring that the stress at the bending place is uniform and improving the rate of good products, including a frame, a main hydraulic cylinder, a supporting mechanism, a buffer plate, a pressing plate, a support plate, As for the auxiliary hydraulic cylinder and the auxiliary pressure plate, a slot is provided on the top of the buffer plate, and the support rod is engaged in the slot, and there is a gap between the bottom of the support rod and the inner bottom of the slot. This is a bending machine that can ensure that the force at the bending point is uniform and improves the yield rate. The main hydraulic cylinder makes the pressing plate bend the plate once, and then the auxiliary hydraulic cylinder starts to drive the auxiliary pressing plate down, and the auxiliary pressing plate keeps the locking block away from the locking groove. There is a certain gap between the support rod and the card slot. At this time, the auxiliary pressure plate continues to descend, and the auxiliary pressure plate drives the pressure plate to perform secondary bending on the plate through the guide column, which can effectively reduce the resilience of the plate, thereby achieving the goal of effectively reducing the recovery of the plate. The influence of elasticity on bending quality, the effect of high bending precision.

Description

A bending machine that can ensure uniform force at the bending point and improve the yield rate

technical field

The utility model relates to the technical field of bending machines, in particular to a bending machine capable of ensuring uniform force at the bending position and improving the rate of good products.

Background technique

The bending machine is a machine capable of bending thin plates. Its structure mainly includes a bracket, a workbench and a clamping plate. The workbench is placed on the bracket. The workbench is composed of a base and a pressure plate. The base is composed of a seat shell, a coil and a cover plate, the coil is placed in the depression of the seat shell, and the top of the depression is covered with a cover plate.

The existing bending machine has two working cylinders to pressurize the two ends of the slider respectively, which causes the resultant force of the bending workpiece to be biased towards the middle. The occurrence of deflection deformation leads to uneven force on both sides of the bending machine, which affects the bending quality. At the same time, the existing bending machine cannot reduce the influence of the plate recovery elasticity on the bending quality, and the bending accuracy is low.

Utility model content

In order to achieve the above objectives of ensuring uniform stress at the bending place, high bending quality, effectively reducing the influence of plate recovery elasticity on the bending quality, and high bending precision, the utility model is realized through the following technical solutions: a method that can ensure The bending machine with uniform force at the bending position and improved yield rate includes a frame, a main hydraulic cylinder, a support mechanism, a buffer plate, a pressure plate, a support plate, an auxiliary hydraulic cylinder and an auxiliary pressure plate, and the support mechanism includes a support rod. The support rod is fixedly connected to the bottom of the main hydraulic cylinder, the inner side of the support rod is slidably connected with a drive block, the inside of the support rod is slidably connected with a slide rod, and the bottom of the slide rod is hinged with a connecting rod, and the connecting rod is far away from the sliding rod. One side of the rod is hinged with a locking block, and the top of the buffer plate is provided with a draw-in slot, and the support rod is clamped in the draw-in slot, and at the same time, there is a gap between the bottom of the support rod and the inner bottom of the draw-in slot, and the support rod and the bottom of the draw-in slot A buffer spring is arranged between the card slots.

Further, the main hydraulic cylinders are divided into two groups, which are respectively installed at both ends of the frame.

Further, the top of the pressure plate is fixedly connected with a guide post, and the guide post runs through the buffer plate, and a supporting spring is arranged between the guide post and the top of the buffer plate, and the position of the guide post is lower than that of the driving block, so that the auxiliary The pressing plate touches the drive block before it can drive the guide post to descend.

Further, the support plate is fixedly connected to the support rod, the auxiliary hydraulic cylinders are not less than five groups, and are evenly installed on the support plate, and the auxiliary pressure plate is fixedly connected to the bottom of the auxiliary hydraulic cylinder to ensure that the pressure plate is under pressure uniform.

Further, the top of the drive block is designed to be inclined downward, and the side of the slide bar close to the drive block is also designed to be inclined downward, and is opposite to the inclination direction of the drive block, so that the slide bar can be raised when the auxiliary pressure plate is lowered, so A return spring is arranged between the slide bar and the inner wall of the support bar, so that the slide bar can reset automatically.

Further, the locking block and the connecting rod are divided into two groups, which are respectively located on both sides of the sliding rod. Meanwhile, both groups of locking blocks are slidably connected to the inside of the supporting rod, so that the transmission is stable and the force is evenly applied.

Further, the inner wall of the card slot is provided with a locking slot, which is used in cooperation with the locking block.

Compared with the prior art, the utility model has the following beneficial effects:

1. This bending machine can ensure that the force at the bending point is uniform and improves the yield rate. The main hydraulic cylinder drives the support rod to descend, the support rod drives the buffer plate to descend, the buffer plate drives the pressure plate to descend, and the pressure plate is bent, and then through multiple groups The combined use of the auxiliary hydraulic cylinder and the auxiliary pressure plate makes the force on the pressure plate uniform, so as to achieve the effect of ensuring uniform force on the bending part and high bending quality.

2. The bending machine that can ensure uniform force at the bending point and improve the yield rate. The main hydraulic cylinder makes the pressing plate bend the plate once, and then the auxiliary hydraulic cylinder starts to drive the auxiliary pressing plate to descend, and the auxiliary pressing plate drives the driving block to slide and drive The block drives the sliding rod to slide, the sliding rod drives the connecting rod to swing, and the connecting rod drives the locking block away from the locking groove. Since there is a certain gap between the supporting rod and the locking groove, the pressure plate drives the buffer plate to rise relative to the supporting rod under the action of the rebound force of the plate. , at this time, the auxiliary pressure plate continues to descend, and the auxiliary pressure plate drives the pressure plate to perform secondary bending on the plate through the guide column, which can effectively reduce the rebound elasticity of the plate, thereby achieving the effect of effectively reducing the influence of the plate recovery elasticity on the bending quality and the bending accuracy. high effect.

Description of drawings

Fig. 1 is the schematic diagram of the overall front view of the structure of the utility model;

Fig. 2 is a schematic diagram of the structural support mechanism of the utility model;

Fig. 3 is the three-dimensional schematic view of the pressing plate of the utility model structure;

Fig. 4 is a schematic diagram of bending of the structure of the utility model.

In the figure: 1. Rack; 2. Main hydraulic cylinder; 3. Support mechanism; 31. Support rod; 32. Drive block; 33. Slide bar; 34. Connecting rod; 35. Lock block; 4. Buffer plate; 5 , card slot; 6, buffer spring; 7, pressure plate; 8, guide post; 9, support spring; 10, bracket plate; 11, auxiliary hydraulic cylinder; 12, auxiliary pressure plate.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

The embodiment of the bending machine that can ensure uniform stress at the bending position and improve the yield rate is as follows:

Please refer to Figure 1-Figure 4, a bending machine that can ensure uniform force at the bending point and improve the yield rate, including frame 1, main hydraulic cylinder 2, support mechanism 3, buffer plate 4, pressure plate 7, and support plate 10 , the auxiliary hydraulic cylinder 11 and the auxiliary pressure plate 12, the main hydraulic cylinder 2 is divided into two groups, and is respectively installed at both ends of the frame 1, the support mechanism 3 includes a support rod 31, and the support rod 31 is fixedly connected to the bottom of the main hydraulic cylinder 2 The inner side of the support rod 31 is slidably connected with the drive block 32, the top of the drive block 32 is designed to be inclined downward, and the side of the slide bar 33 close to the drive block 32 is also designed to be inclined downward, and is opposite to the direction of inclination of the drive block 32, so that the auxiliary Slide bar 33 can be made to rise when pressing plate 12 descends, and back-moving spring is arranged between slide bar 33 and support bar 31 inwalls, slide bar 33 can reset automatically, and the inside slide link of support bar 31 is connected with slide bar 33, and slide bar 33 The bottom is hinged with a connecting rod 34, and the side of the connecting rod 34 away from the sliding rod 33 is hinged with a locking block 35. The locking block 35 and the connecting rod 34 are divided into two groups, and are respectively located on both sides of the sliding rod 33. At the same time, the two groups of locking blocks 35 are all slidably connected to the inside of the support rod 31, the transmission is stable, and the force is even. 5. There is a gap at the inner bottom, and a buffer spring 6 is arranged between the support rod 31 and the card slot 5. The inner wall of the card slot 5 is provided with a locking slot, which is used in conjunction with the locking block 35. The top of the pressure plate 7 is fixedly connected with a guide column 8 , and the guide post 8 runs through the buffer plate 4, and a support spring 9 is arranged between the guide post 8 and the top of the buffer plate 4, and the position of the guide post 8 is lower than the position of the drive block 32, so that the auxiliary pressure plate 12 touches the drive block 32 first. Drive the guide column 8 to descend, the support plate 10 is fixedly connected on the support rod 31, the auxiliary hydraulic cylinders 11 are not less than five groups, and are evenly installed on the support plate 10, and the auxiliary pressure plate 12 is fixedly connected to the bottom of the auxiliary hydraulic cylinders 11 to ensure Pressing plate 7 is evenly stressed.

Working principle: The main hydraulic cylinder 2 drives the support rod 31 to descend, the support rod 31 drives the buffer plate 4 to descend, the buffer plate 4 drives the pressure plate 7 to descend, the pressure plate 7 bends the plate once, and then the auxiliary hydraulic cylinder 11 starts to drive the auxiliary pressure plate 12 to descend , the auxiliary platen 12 first drives the driving block 32 to slide, the driving block 32 drives the sliding bar 33 to slide, the sliding bar 33 drives the connecting rod 34 to swing, and the connecting rod 34 drives the locking block 35 to move away from the locking groove. 5. There is a certain gap between the inner bottom, and the pressure plate 7 drives the buffer plate 4 to rise relative to the support rod 31 under the action of the rebound force of the plate. At this time, the auxiliary pressure plate 12 continues to descend, and the auxiliary pressure plate 12 drives the pressure plate 7 to the plate through the guide post 8. Secondary bending can effectively reduce the resilience of the plate, and at the same time, under the action of multiple sets of auxiliary hydraulic cylinders 11, the force on the pressure plate 7 is even, ensuring that the force on the bend is even.

After the bending is completed, the main hydraulic cylinder 2 drives the support rod 31 to rise. At this time, the buffer plate 4 resets relative to the support rod 31 under the action of gravity and the buffer spring 6. At the same time, the auxiliary hydraulic cylinder 11 drives the auxiliary pressure plate 12 to reset. Reset under the action of the return spring, the slide bar 33 drives the locking block 35 through the connecting rod 34 to snap into the locking groove again, which does not affect the next bending.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (7)

1. A bending machine capable of ensuring uniform force at the bending point and improving the yield rate, including a frame (1), a main hydraulic cylinder (2), a support mechanism (3), a buffer plate (4), and a pressure plate (7) , support plate (10), secondary hydraulic cylinder (11) and secondary pressure plate (12), characterized in that: the support mechanism (3) includes a support rod (31), and the support rod (31) is fixedly connected to the main hydraulic pressure At the bottom of the cylinder (2), the inside of the support rod (31) is slidably connected with a drive block (32), and the inside of the support rod (31) is slidably connected with a slide bar (33), and the bottom of the slide bar (33) A connecting rod (34) is hinged, and the side of the connecting rod (34) away from the slide bar (33) is hinged with a locking block (35), and the top of the buffer plate (4) is provided with a draw-in groove (5), and The support rod (31) is clamped in the draw-in groove (5), and there is a gap between the bottom of the support rod (31) and the inner bottom of the draw-in groove (5), and the gap between the support rod (31) and the draw-in groove (5) A buffer spring (6) is arranged between them. 2. According to claim 1, a bending machine capable of ensuring uniform force at the bending position and improving the yield rate is characterized in that: the main hydraulic cylinders (2) are divided into two groups, and are respectively installed on the frame (1) both ends. 3. The bending machine according to claim 1, which can ensure that the stress on the bending place is uniform and improves the yield rate, characterized in that: the top of the pressing plate (7) is fixedly connected with a guide post (8), and the guide post (8) The column (8) runs through the buffer plate (4), and a supporting spring (9) is arranged between the guide column (8) and the top of the buffer plate (4), and the position of the guide column (8) is lower than that of the drive block (32) s position. 4. The bending machine according to claim 1, which can ensure uniform force at the bending position and improve the yield rate, characterized in that: the support plate (10) is fixedly connected to the support rod (31), and the There are no less than five groups of auxiliary hydraulic cylinders (11), which are uniformly installed on the support plate (10), and the auxiliary pressure plate (12) is fixedly connected to the bottom of the auxiliary hydraulic cylinders (11). 5. The bending machine according to claim 1, which can ensure that the force at the bending place is uniform and improves the yield rate, characterized in that: the top of the driving block (32) is designed to be inclined downward, and the sliding rod ( 33) The side close to the driving block (32) is also designed to be inclined downward, and is opposite to the direction of inclination of the driving block (32), and a return spring is arranged between the sliding rod (33) and the inner wall of the supporting rod (31) . 6. The bending machine according to claim 1, which can ensure uniform force at the bending position and improve the yield rate, characterized in that: the locking block (35) and the connecting rod (34) are divided into two groups, and They are respectively located on both sides of the slide bar (33), and at the same time, the two sets of locking blocks (35) are slidably connected to the inside of the support bar (31). 7. A bending machine capable of ensuring uniform force at the bending position and improving yield rate according to claim 1, characterized in that: the inner wall of the locking groove (5) is provided with a locking groove.

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