Overpressure alarm device for press machine

Abstract

The utility model relates to the technical field of press machines, and provides a press machine overpressure alarm device which comprises a base, a monitoring structure is fixed on the outer wall of one side of the base, and installation structures are fixed on two sides of the bottom end of the base. By arranging the dismounting and mounting structure, the pressure base is placed on the side, close to the limiting plate, of the top end of the base, then the rotating handle is rotated, the rotating handle can drive the adjusting block to move in the adjusting groove through the lead screw, and the adjusting block can drive the clamping plate to be close to the pressure base when moving till one side of the clamping plate abuts against the outer side of the pressure base; then the clamping plate and the pressure seat are fixedly connected through the fixing bolt, the pressure seat and the pressure sensor can be conveniently and rapidly disassembled, the position of the clamping plate can be adjusted according to the size of the pressure seat, the device is suitable for the pressure seats of different sizes, and the device has the function of conveniently and rapidly disassembling and assembling the pressure seats of different sizes; and the use convenience and the working efficiency of the overpressure alarm device of the press machine are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to press machine technical field, especially press machine overpressure alarm device. BACKGROUND

[0002] In industrial production, the press machine is one of the commonly used equipment, especially in the metal forming, die casting, injection molding and other industries, the press machine plays a vital role. However, when the press machine appears overload operation or mechanical failure and so on, it may cause equipment damage, and even cause serious harm to the operator. Therefore, in order to guarantee the production safety, a press machine overpressure alarm device needs to be designed;

[0003] Therefore, the patent with the publication number CN20280307U discloses a kind of overpressure alarm device of breathing tank, it contains air flow switcher, filter drying tank and controller, the filter drying tank is formed by upper and lower end caps and shell, dry agent layer is arranged in the inner chamber of the shell, sintered metal screen is arranged at the inlet and outlet of the lower end cap, inlet and outlet pipeline is arranged on the upper end cap, one air flow switcher is installed on the upper end cap of two filter drying tanks, electromagnetic valve and pressure sensor are arranged in the inner chamber of the air flow switcher, the valve stem of the electromagnetic valve controls the rotation opening or closing of the inlet and outlet pipeline of the upper end cap of two filter drying tanks, the pressure sensor is connected with the controller, and the controller is connected with alarm. The utility model is provided with pressure sensor in air flow switcher, when pressure appears if equipment is normal, controller can send jam alarm signal in time, it is convenient for staff to maintain in time, and safety is good.

[0004] Although the overpressure alarm device of breathing tank in the above can upload pressure data in time when using, but in the use process, if pressure sensor appears damage, it is time-consuming and laborious to replace, and pressure sensor is inconvenient to replace quickly, therefore, a kind of press machine overpressure alarm device needs to be designed. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing press machine overpressure alarm device, to solve the defect that the pressure sensor of existing overpressure alarm device appears damage, it is time-consuming and laborious to replace, and pressure sensor is inconvenient to replace quickly.

[0006] In order to solve the above technical problem, the utility model provides the following technical scheme: press machine overpressure alarm device, including base;

[0007] The outer wall on the side of the base is fixed with monitoring structure;

[0008] The both sides of the bottom end of the base are fixed with mounting structure, the side of the top of the base close to monitoring structure is fixed with limit plate, the side of the limit plate is provided with pressure seat, and the top of the pressure seat is fixedly installed with pressure sensor.

[0009] The dismounting structure is arranged on the side of the base top far from the limiting plate, and comprises a rotating handle, an adjusting groove, an adjusting block, a lead screw, a sliding groove, a sliding block, a sliding rod, a clamping plate and a fixing bolt.

[0010] Further, the monitoring structure comprises a monitoring box, a circuit board, a data processor, a single-chip microcomputer, a data storage and an alarm, the monitoring box is fixed on the outer wall of one side of the base, one side of the inner wall of the monitoring box is mounted with the circuit board, the outer wall of one side of the circuit board is fixed with the data processor, the outer wall of the circuit board below the data processor is fixed with the single-chip microcomputer, the outer wall of the circuit board below the single-chip microcomputer is fixed with the data storage, and the bottom end of the monitoring box is fixed with the alarm.

[0011] Further, the output end of the data processor and the input end of the single-chip microcomputer are electrically connected, and the output end of the single-chip microcomputer and the input end of the data storage are electrically connected.

[0012] Further, the output end of the single-chip microcomputer and the input end of the pressure sensor are electrically connected, and the output end of the single-chip microcomputer and the input end of the alarm are electrically connected.

[0013] Further, the mounting structure comprises a support, a mounting plate and a mounting hole, the supports are fixed on the two sides of the bottom end of the base, the bottom ends of the supports are fixed with the mounting plates, and the bottom ends of the mounting plates are fixed with the mounting holes.

[0014] Further, the supports are symmetrically distributed on the two sides of the base, and the mounting holes are equidistantly distributed in the mounting plates.

[0015] Further, one end of the lead screw away from the rotating handle extends to the inside of the base and is rotationally connected with the base, and the sliding blocks are symmetrically distributed on the two sides of the base.

[0016] Further, the two ends of the sliding rod are fixedly connected with the inner wall of the base, and one end of the fixing bolt extends to the inside of the pressure seat through the clamping plate.

[0017] Further, one side of the clamping plate and the outer side of the pressure seat are in contact with each other.

[0018] The pressure machine overpressure alarm device has the advantages that:

[0019] By setting the dismounting structure, the pressure seat is placed on the top end of the base near one side of the limiting plate, then the handle is rotated, the handle drives the adjusting block to move in the adjusting groove through the screw rod, the adjusting block can drive the clamping plate to approach the pressure seat when moving, until one side of the clamping plate and the outside of the pressure seat abut each other, then the clamping plate and the pressure seat are fixedly connected by using the fixing bolt, the pressure seat and the pressure sensor can be quickly dismounted, and the position of the clamping plate can be adjusted according to the size of the pressure seat, which is suitable for pressure seats of different sizes, the device has the functions of quickly dismounting pressure seats of different sizes, and the convenience and working efficiency of the press overpressure alarm device during use are improved.

[0020] By setting the monitoring structure, when the pressure sensor receives pressure, the pressure data is transmitted to the data processor, the data processor processes the data, then the processed data is transmitted to the single-chip microcomputer, the single-chip microcomputer is internally provided with a maximum pressure value, when the pressure value received by the single-chip microcomputer exceeds the predetermined value, the single-chip microcomputer transmits a signal to the alarm, the alarm starts to alarm, reminding the staff to reduce pressure in time, the device has the function of monitoring pressure, and the safety of the press overpressure alarm device during use is improved.

[0021] By setting the mounting structure, when mounting, the mounting plate is placed at the position to be mounted, then the mounting plate and the placement surface are fixedly connected by using the bolt through the mounting hole, the mounting is completed, the device has the function of convenient mounting, and the convenience of the press overpressure alarm device during use is improved. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is an overall three-dimensional structure schematic view of the utility model;

[0023] Figure 2 It is an overall three-dimensional structure schematic view of the utility model;

[0024] Figure 3 It is a front view cross-section structure schematic view of the utility model;

[0025] Figure 4 It is a side view cross-section structure schematic view of the utility model;

[0026] Figure 5 It is a top view cross-section structure schematic view of the utility model;

[0027] Figure 6 It is a monitoring structure system frame structure schematic view of the utility model.

[0028] The reference signs in the drawings are explained as follows: 1, base; 2, monitoring structure; 21, monitoring box; 22, circuit board; 23, data processor; 24, single-chip microcomputer; 25, data storage; 26, alarm; 3, mounting structure; 31, support; 32, mounting plate; 23, mounting hole; 4, dismounting structure; 41, handle; 42, adjusting groove; 43, adjusting block; 44, screw rod; 45, sliding groove; 46, sliding block; 47, sliding rod; 48, clamping plate; 49, fixing bolt; 5, pressure seat; 6, pressure sensor; 7, limiting plate. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be clearly and completely described 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. 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.

[0030] Please refer to Figures 1-6 The pressure machine overpressure alarm device provided by the present application comprises a base 1.

[0031] Referring to Figures 1-4 The base 1 is fixed with mounting structures 3 on both sides of the bottom end, the mounting structures 3 comprise supports 31, mounting plates 32 and mounting holes 33, the supports 31 are fixed on both sides of the bottom end of the base 1, the bottom end of each support 31 is fixed with a mounting plate 32, the bottom end of each mounting plate 32 is fixed with a mounting hole 33, the supports 31 are symmetrically distributed on both sides of the base 1, the mounting holes 33 are equidistantly distributed inside the mounting plates 32, a limiting plate 7 is fixed on one side of the top of the base 1 close to the monitoring structure 2, a pressure seat 5 is arranged on one side of the limiting plate 7, and a pressure sensor 6 is fixedly installed on the top of the pressure seat 5.

[0032] When mounting, the mounting plate 32 is placed at the position where mounting is required, then the mounting plate 32 and the placement surface are fixedly connected through the mounting holes 33 by using bolts, and the mounting is completed.

[0033] Referring to Figures 1-5The top of the base 1 away from the side of the limiting plate 7 is provided with a dismounting structure 4, the dismounting structure 4 includes a handle 41, an adjusting groove 42, an adjusting block 43, a lead screw 44, a sliding groove 45, a sliding block 46, a sliding rod 47, a clamping plate 48 and a fixing bolt 49, the adjusting groove 42 is arranged on the top of the base 1 away from the side of the limiting plate 7, the adjusting groove 42 is internally provided with the adjusting block 43, the adjusting block 43 is internally threadedly connected with the lead screw 44, the base 1 on both sides of the adjusting groove 42 is internally provided with the sliding groove 45, the sliding groove 45 is internally provided with the sliding block 46, the sliding block 46 is internally slidably connected with the sliding rod 47, the adjusting block 43 and the sliding rod 47 are fixedly provided with the clamping plate 48 at the top, the clamping plate 48 is internally and uniformly threadedly connected with the fixing bolt 49, one end of the lead screw 44 extends to the outside of the base 1 and is fixedly provided with the handle 41, the other end of the lead screw 44 extends to the inside of the base 1 and is rotatably connected with the base 1, the sliding blocks 46 are symmetrically arranged on both sides of the base 1, both ends of the sliding rod 47 are fixedly connected with the inner wall of the base 1, and the fixing bolt 49 extends to the inside of the pressure seat 5 through the clamping plate 48.

[0034] The pressure seat 5 is arranged on the top of the base 1 near the limiting plate 7, then the handle 41 is rotated, the handle 41 drives the adjusting block 43 to move in the adjusting groove 42 through the lead screw 44, the adjusting block 43 drives the clamping plate 48 to move to the pressure seat 5 when moving, until the side of the clamping plate 48 and the outer side of the pressure seat 5 abut each other, then the clamping plate 48 and the pressure seat 5 are fixedly connected through the fixing bolt 49, so that the pressure seat 5 and the pressure sensor 6 can be quickly dismounted, and the position of the clamping plate 48 can be adjusted according to the size of the pressure seat 5, and the pressure seat 5 of different sizes is suitable.

[0035] Referring to Figure 1 , Figure 2 , Figure 3 and Figures 5-6 , the outer wall of one side of the base 1 is fixedly provided with a monitoring structure 2, the monitoring structure 2 includes a monitoring box 21, a circuit board 22, a data processor 23, a single-chip microcomputer 24, a data storage 25 and an alarm 26, the monitoring box 21 is fixedly arranged on the outer wall of one side of the base 1, one side of the inside of the monitoring box 21 is mounted with the circuit board 22, the outer wall of one side of the circuit board 22 is fixedly provided with the data processor 23, the outer wall of the circuit board 22 below the data processor 23 is fixedly provided with the single-chip microcomputer 24, the outer wall of the circuit board 22 below the single-chip microcomputer 24 is fixedly provided with the data storage 25, and the bottom of the monitoring box 21 is fixedly provided with the alarm 26, the output end of the data processor 23 and the input end of the single-chip microcomputer 24 are electrically connected, the output end of the single-chip microcomputer 24 and the input end of the data storage 25 are electrically connected, the output end of the single-chip microcomputer 24 and the input end of the pressure sensor 6 are electrically connected, and the output end of the single-chip microcomputer 24 and the input end of the alarm 26 are electrically connected.

[0036] The external power supply, the model of the pressure sensor 6 is PXT-L10, when the external pressure is applied to the pressure sensor 6, the sensitive element in it such as the elastic diaphragm will be deformed, the deformation will cause the physical quantity such as the resistance or the capacitance of the sensitive element to change, so that the size of the pressure can be indirectly measured by measuring the change of the physical quantity, after the pressure sensor 6 receives the pressure, the pressure data will be transmitted to the data processor 23, the data processor 23 will process the data, then the processed data will be transmitted to the single-chip microcomputer 24, the single-chip microcomputer 24 is internally provided with a maximum pressure value, when the pressure value received by the single-chip microcomputer 24 exceeds the predetermined value, the single-chip microcomputer 24 will transmit the signal to the alarm 26, the alarm 26 will start alarming, reminding the staff to reduce the pressure in time.

[0037] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. Overpressure alarm device for a press, including a base (1); Its features are: A monitoring structure (2) is fixed on the outer wall of one side of the base (1); The base (1) has an installation structure (3) fixed on both sides of its bottom end. A limit plate (7) is fixed on the top of the base (1) near the monitoring structure (2). A pressure seat (5) is provided on one side of the limit plate (7). A pressure sensor (6) is fixedly installed on the top of the pressure seat (5). The base (1) has a disassembly structure (4) on the side away from the limiting plate (7) at the top. The disassembly structure (4) includes a handle (41), an adjustment groove (42), an adjustment block (43), a lead screw (44), a slide groove (45), a slider (46), a slide rod (47), a clamping plate (48), and a fixing bolt (49). The adjustment groove (42) is located on the side of the top of the base (1) away from the limiting plate (7). The adjustment block (43) is provided inside the adjustment groove (42). The adjustment block (43) has an internal thread. A lead screw (44) is connected to the base (1) on both sides of the adjustment groove (42), and a sliding groove (45) is provided inside the base (1). A slider (46) is provided inside the sliding groove (45), and a sliding rod (47) is slidably connected inside the slider (46). A clamping plate (48) is fixed at the top of the adjustment block (43) and the sliding rod (47). A fixing bolt (49) is evenly threaded inside the clamping plate (48). One end of the lead screw (44) extends to the outside of the base (1) and is fixed with a rotating handle (41).

2. The press overpressure alarm device according to claim 1, characterized in that: The monitoring structure (2) includes a monitoring box (21), a circuit board (22), a data processor (23), a microcontroller (24), a data storage device (25), and an alarm (26). The monitoring box (21) is fixed on the outer wall of one side of the base (1). The circuit board (22) is installed on one side inside the monitoring box (21). The data processor (23) is fixed on the outer wall of one side of the circuit board (22). The microcontroller (24) is fixed on the outer wall of the circuit board (22) below the data processor (23). The data storage device (25) is fixed on the outer wall of the circuit board (22) below the microcontroller (24). The alarm (26) is fixed at the bottom of the monitoring box (21).

3. The press overpressure alarm device according to claim 2, characterized in that: The output terminal of the data processor (23) is electrically connected to the input terminal of the microcontroller (24), and the output terminal of the microcontroller (24) is electrically connected to the input terminal of the data memory (25).

4. The press overpressure alarm device according to claim 2, characterized in that: The output terminal of the microcontroller (24) is electrically connected to the input terminal of the pressure sensor (6), and the output terminal of the microcontroller (24) is electrically connected to the input terminal of the alarm (26).

5. The press overpressure alarm device according to claim 1, characterized in that: The mounting structure (3) includes a bracket (31), a mounting plate (32), and mounting holes (33). The bracket (31) is fixed to both sides of the bottom end of the base (1). The bottom end of the bracket (31) is fixed with a mounting plate (32), and the bottom end of the mounting plate (32) is fixed with a mounting hole (33).

6. The press overpressure alarm device according to claim 5, characterized in that: The brackets (31) are symmetrically distributed on both sides of the base (1), and the mounting holes (33) are evenly distributed inside the mounting plate (32).

7. The press overpressure alarm device according to claim 1, characterized in that: The end of the lead screw (44) away from the handle (41) extends into the interior of the base (1) and is rotatably connected to the base (1). The sliders (46) are symmetrically distributed on both sides of the base (1).

8. The press overpressure alarm device according to claim 1, characterized in that: Both ends of the slide rod (47) are fixedly connected to the inner wall of the base (1), and one end of the fixing bolt (49) passes through the clamping plate (48) and extends into the interior of the pressure seat (5).

9. The press overpressure alarm device according to claim 1, characterized in that: One side of the clamping plate (48) and the outside of the pressure seat (5) abut against each other.

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