CN219161789U - Upper die assembly structure of bending press - Google Patents

Abstract

The utility model relates to the technical field of press bending machines, in particular to an upper die assembly structure of a press bending machine, which comprises an upper die assembly, wherein the upper die assembly comprises a push rod seat capable of performing up-down displacement adjustment, a press bending top connected with the push rod seat is arranged in the push rod seat, and the press bending top is used for performing press bending operation on materials. This last compression moulding assembly structure of bending press compares with prior art, the setting of this structure, very big reduction personnel manual operation time to avoid the possibility that receives the injury to a certain extent, and through the last compression moulding subassembly of setting, to need according to the bending plug that the chain specification of difference changed, only need through tearing down fastening screw can, work is swift, safe, thereby has improved personnel's work efficiency to a certain extent, has also improved producer's economic benefits.

Description

Upper die assembly structure of bending press

Technical Field

The utility model relates to the technical field of press brake, in particular to an upper press die assembly structure of a press brake.

Background

According to the national standard of the short ring chain for hoisting GB/T20947 and the international standard requirement of ISO3077, the bending resistance test (bending test) of the chain is as follows: the T-stage chain is 0.8 times of the line diameter, namely if the T-stage chain is a chain with the line diameter of 10mm, the single ring bending resistance test is pressed down with a displacement distance of 8mm, and the defects such as fracture and crack cannot be caused, otherwise, the T-stage chain is considered to be unqualified. Whereas DAT and DT chains are subject to 2.5 times the force given in the standard for a work load, they cannot have defects such as breaks, cracks, etc., otherwise they are considered to be unacceptable. At present, all manufacturers in the hoisting chain industry do the bending test on a universal testing machine, the testing precision is poor, the working efficiency is low, part of equipment is required to be replaced with a bending plug at any time when aiming at chains of different specifications, but the installation procedure of part of equipment is complex, and the labor and time are wasted when the equipment is replaced, so that the economic benefit of the manufacturers is seriously influenced, and the novel upper pressing die set structure of the bending machine is provided.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides an upper pressing die assembly structure of a press brake, which solves the problems that the installation procedure is complex, and the labor and time are wasted when the press brake is replaced in the prior art.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the upper pressing die assembly structure of the press brake comprises an upper pressing die assembly, wherein the upper pressing die assembly comprises a push rod seat capable of being adjusted in an up-down displacement mode, a press bending top connected with the push rod seat is arranged in the push rod seat, and the press bending top is used for performing press bending operation on materials.

Preferably, a bending top which is connected with the ejector rod seat in an embedded manner is arranged below the ejector rod seat, and a bending part for performing bending operation on the material is arranged at the lowest end of the bending top.

Preferably, a slot is arranged below the ejector rod seat, the bending plug upwards extends into the slot, and a bending part integrally connected with the bending plug is arranged at the lowest end of the bending plug.

Preferably, a buckling plug centering hole communicated with the slot is formed in the outer portion of the ejector rod seat, and the buckling plug is installed and fastened through a fastening screw inserted into the buckling plug centering hole.

Preferably, the cross section shape of the bending top is similar to a T shape, the cross section shape of the bending part is similar to a U shape, the thickness of the similar U-shaped bending part can be adaptively adjusted, and the cross section shape of the slot is similar to the T shape.

Preferably, the outside of ejector pin seat is equipped with the hydraulic stem guide copper pad that is used for carrying out the direction to the removal of ejector pin seat, the outside of ejector pin seat is equipped with the limit switch ram that is used for carrying out spacing to the removal of ejector pin seat.

Preferably, the up-and-down displacement of the ejector rod seat is driven by an oil cylinder rod, and the transmission of the oil cylinder rod is driven by a hydraulic oil cylinder.

Preferably, the upper die assembly is arranged in the oil cylinder seat through a hydraulic oil cylinder, and the oil cylinder seat is arranged above the bending press body; the upper part of the bending machine body is provided with a lower die seat for bearing a single-ring chain, and the bending top corresponds to the lower die seat.

Preferably, the bending part of the bending plug corresponds to the vertical center point of the lower die seat.

Preferably, a hydraulic station capable of supplying oil is arranged in the press brake body, an electric box for supplying electric power is arranged in the press brake body, an instrument button box for controlling the start and stop of equipment is arranged outside the press brake body, and a powerful KN-displacement MM button, an automatic-manual button, a manual ascending button, a fault reset button, an emergency stop button, an automatic start button, a manual descending button, a press bending force display KM display, a press bending displacement setting MM display and a hydraulic oil temperature display are arranged on the button function of the instrument button box.

The equipment supplies oil to a hydraulic cylinder (maximum pressure 40T and maximum displacement 100 mm) by using a high-pressure hydraulic system (4 ml/r low flow and 25Mpa high pressure), and performs operation control by using a pull rope type displacement sensor, a pressure transmitter, a photoelectric proximity switch, an intelligent pressure display instrument, displacement display, an equipment parameter setting operation text and the like. The device is calibrated by strict displacement size and pressure value correction before use, so as to ensure that each item of output data is correct and reliable.

The above functional description:

1) Equipment power: the main power supply 380V controls the power supply DV24V.

2) And controlling the oil pressure and the oil temperature, namely conveying the oil temperature of the oil tank to an instrument box panel by a temperature sensor, reminding and alarming by an alarm when the oil temperature exceeds a set value, and automatically switching on a cooling water electromagnetic valve.

3) Fault reset: if the servo system fails, the 'failure reset' button needs to be pressed for resetting after the servo system is removed.

4) The toughened glass protective cover is required to be pulled down during working, and plays a role in safety protection under the emergency conditions of improper operation, mould breakage and the like.

The working steps of the bending test are that the T-stage chain displacement or the DAT/DT-stage chain force value (KN) is subjected to:

step one: placing a single ring chain and a corresponding mold at a test position, and paying attention to centering;

step two: starting a hydraulic pump preheating system;

step three: when the displacement bending test is carried out on the T-stage chain, a force value and a displacement knob are required to be shifted to a displacement position; when the DAT/DT-grade chain force value is subjected to bending test, the force value and the displacement knob are required to be shifted to a force KN position;

step four: then selecting and confirming the preset chain parameters according to the preset specifications in the text;

step five: the automatic-manual knob is shifted to an automatic mode, and the hydraulic cylinder can be manually pressed down or lifted up to test pressure and perform middle work in the manual mode;

step six: when the pressure exceeds the factory setting of 5KN, a pressure transmitter in the system throttles and decelerates through a PLC program, the pressure head is switched to a slow pressing mode until the pressure head is pressed down to a force control value, and the return stroke is carried out after stopping for 1S, so that the bending test is finished, and then a single-ring chain is observed and inspected;

this last compression moulding assembly structure of bending press compares with prior art, the setting of this structure, very big reduction personnel manual operation time to avoid the possibility that receives the injury to a certain extent, and through the last compression moulding subassembly of setting, to need according to the bending plug that the chain specification of difference changed, only need through with the fastening screw pull down can, work is swift, safety, thereby improved personnel's work efficiency to a certain extent, also improved producer's economic benefits.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic side view of the structure of FIG. 1 of the present utility model;

FIG. 3 is a schematic view of a first construction of a press bending plug according to the present utility model;

FIG. 4 is a schematic view of a second construction of a press bending plug according to the present utility model;

FIG. 5 is a schematic view of a third construction of a press bending plug according to the present utility model

FIG. 6 is a schematic view of the upper die assembly of the present utility model installed in a press brake body.

In the figure: 1. an upper die assembly; 2. a slot; 3. the hydraulic rod guides the copper pad; 4. limit switch collision block; 5. a lower die holder; 6. a press brake body; 9. a push rod seat; 10. bending the top; 14. a press bending part; 16. an oil cylinder seat; 17. an oil cylinder rod; 18. a hydraulic cylinder; 36. an electric appliance box; 37. an instrument button box; 38. and bending the centering hole of the plug.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1 to 6, the present utility model provides a technical solution: the upper die assembly structure of the press brake comprises an upper die assembly 1, wherein the upper die assembly 1 comprises a push rod seat 9 capable of performing up-down displacement adjustment, a press brake jack centering hole 38 communicated with a slot 2 is arranged outside the push rod seat 9, the installation of the press brake jack 10 is fastened through a fastening screw inserted into the press brake jack centering hole 38, the cross section of the press brake jack 10 is of a T-like shape, the cross section of a press brake part 14 is of a U-like shape, the thickness of the U-like press brake part 14 can be adaptively adjusted, the cross section of the slot 2 is of a T-like shape, a hydraulic rod guide copper pad 3 used for guiding the movement of the push rod seat 9 is arranged outside the push rod seat 9, a limit switch ram 4 used for limiting the movement of the push rod seat 9 is arranged outside the push rod seat 9, the up-down displacement of the push rod seat 9 is driven through a hydraulic cylinder rod 17, the upper die assembly 1 is installed in the cylinder seat 16 through the hydraulic cylinder 18 and the cylinder seat 16 is installed above the press brake body 6; the upper side of the bending machine body 6 is provided with a lower die seat 5 for bearing a single-ring chain, a bending top 10 corresponds to the lower die seat 5, a bending part 14 of the bending top 10 corresponds to a vertical center point of the lower die seat 5, an oil-supplying hydraulic station is arranged in the bending machine body 6, an electric box 36 for supplying electric power is arranged in the bending machine body 6, an instrument button box 37 for controlling the starting and stopping of equipment is arranged outside the bending machine body 6, a button function on the instrument button box 37 is provided with a powerful KN-displacement MM button, an automatic-manual button, a manual lifting button, a fault reset button, an emergency stop button, an automatic start button, a manual descending button, a bending force display KM display, a bending displacement setting MM display and a hydraulic oil temperature display, a bending top 10 connected with a top rod seat 9 in an embedded manner is arranged below the bending top seat 9, a bending part 14 for bending materials is arranged at the lowest end of the bending top 10, a slot 2 is arranged below the bending seat 9, the bending top 10 extends upwards to the position of the jack 10, and is connected with the bending seat 10, and the bending top 10 is connected with the bending seat 10.

The electrical components in the connection are all electrically connected with an external main controller and 380V commercial power, and the main controller can be a conventional known device for controlling a computer and the like.

To sum up, this last compression moulding assembly structure of bending press, during the use, compare with prior art, the setting of this structure, very big reduction personnel manual operation time to avoid receiving the possibility of injury to a certain extent, and through the last compression moulding assembly of setting, to need according to the bending plug that the chain specification of difference was changed, only need through tearing down fastening screw can, work is swift, safety, thereby improved personnel's work efficiency to a certain extent, also improved the economic benefits of producer.

In the description of the present specification, the terms "connected," "mounted," "fixed," "disposed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection or an indirect connection via an intermediate assembly without affecting the relationship of components and technical effects, or may be an integral connection or a partial connection, as in the case of this example, and as will be apparent to those skilled in the art, the specific meaning of the terms in the present utility model or the utility model may be understood in the specific case.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (10)

1. An upper die assembly structure of a press brake, comprising an upper die assembly (1), characterized in that: the upper die assembly (1) comprises a push rod seat (9) capable of being adjusted in an up-down displacement mode, a bending top (10) connected with the push rod seat (9) is arranged in the push rod seat (9), and the bending top (10) is used for performing bending operation on materials.

2. An upper press die set structure of a press brake as set forth in claim 1, wherein: the lower part of the ejector rod seat (9) is provided with a bending top (10) which is connected with the ejector rod seat (9) in an embedded mode, and the lowest end of the bending top (10) is provided with a bending part (14) for bending materials.

3. An upper press die set structure of a press brake as set forth in claim 2, wherein: the lower part of the ejector rod seat (9) is provided with a slot (2) and the bending top (10) extends upwards into the slot (2), and the lowest end of the bending top (10) is provided with a bending part (14) integrally connected with the bending top (10).

4. A press brake upper die set structure as defined in claim 3, wherein: the outside of ejector pin seat (9) is equipped with and buckles top centering hole (38) that are linked together with slot (2) and the installation of buckling top (10) is fastened through the fastening screw that inserts in buckling top centering hole (38).

5. A press brake upper die set structure as defined in claim 3, wherein: the cross section shape of the bending plug (10) is similar to a T shape, the cross section shape of the bending part (14) is similar to a U shape, the thickness of the similar U-shaped bending part (14) can be adaptively adjusted, and the cross section shape of the slot (2) is similar to the T shape.

6. An upper press die set structure of a press brake as set forth in claim 1, wherein: the outside of ejector pin seat (9) is equipped with hydraulic rod guide copper pad (3) that are used for carrying out the removal of guide to ejector pin seat (9), the outside of ejector pin seat (9) is equipped with limit switch ram (4) that are used for carrying out the spacing to the removal of ejector pin seat (9).

7. An upper press die set structure of a press brake as set forth in claim 6, wherein: the up-and-down displacement of the ejector rod seat (9) is driven by an oil cylinder rod (17), and the transmission of the oil cylinder rod (17) is driven by a hydraulic oil cylinder (18).

8. An upper press die set structure of a press brake as set forth in claim 7, wherein: the upper die assembly (1) is arranged in the oil cylinder seat (16) through a hydraulic oil cylinder (18), and the oil cylinder seat (16) is arranged above the press brake body (6); the upper part of the bending machine body (6) is provided with a lower die seat (5) for bearing a single-ring chain, and the bending top (10) corresponds to the lower die seat (5).

9. An upper press die set structure of a press brake as set forth in claim 8, wherein: the bending part (14) of the bending plug (10) corresponds to the vertical center point of the lower die seat (5).

10. An upper press die set structure of a press brake as set forth in claim 8, wherein: be equipped with the hydraulic pressure station that can supply oil in press brake body (6), be equipped with in press brake body (6) and be used for providing electrical apparatus case (36) of electric power, the outside of press brake body (6) is equipped with instrument button case (37) that are used for stopping opening of equipment and controlling, button function on instrument button case (37) arranges powerful KN-displacement MM button, automatic-manual button, manual rising button, trouble reset button, emergency stop button, automatic start button, manual decline button, press bending force demonstration KM demonstration, press bending displacement setting MM demonstration and hydraulic pressure oil temperature demonstration.

Images