CN221485043U

CN221485043U - Thrust force detection device

Info

Publication number: CN221485043U
Application number: CN202322861403.2U
Authority: CN
Inventors: 邹永存
Original assignee: Shenzhen Act Manufacturing Co ltd
Current assignee: Shenzhen Act Manufacturing Co ltd
Priority date: 2023-10-23
Filing date: 2023-10-23
Publication date: 2024-08-06
Anticipated expiration: 2033-10-23

Abstract

The utility model discloses a thrust detection device, which comprises a support frame body, a driving mechanism, a pushing component, a workpiece bearing seat and a buzzer, wherein the support frame body is provided with a plurality of support grooves; the workpiece bearing seat is used for accommodating a workpiece, the driving mechanism is used for driving the pushing assembly to be close to or far away from the workpiece bearing seat, and the pushing assembly comprises a stamping head used for stamping the workpiece; the inner side of the supporting frame body is provided with a plurality of guide rails, the pushing component is provided with a sliding block matched with the guide rails, and the pushing component is arranged on the inner side of the supporting frame body in a sliding way through the sliding block; the supporting frame body is also provided with a material dropping sensor, and the pushing component is provided with a trigger matched with the material dropping sensor. The pushing assembly keeps uniform linear motion along the guide rail and punches the workpiece, and when the workpiece cannot bear the set thrust value, the pushing assembly continues to move downwards until the blanking sensor is triggered. Through the guide structure of guide rail and slider, improved the stationarity of pushing away material subassembly to improve thrust detection's precision.

Description

Thrust force detection device

Technical Field

The utility model relates to the technical field of detection, in particular to a thrust detection device.

Background

The thrust force detection device is a physical performance testing instrument in the mechanical field, is generally suitable for welding or cementing workpieces, and plays an important role in the electronic manufacturing industry. The thrust detection device generally adopts a driving mechanism to output thrust and acts on a workpiece to be detected, and can detect and ensure the connection strength and reliability of electronic components connected on a circuit board by observing the integrity of products.

At present, a cylinder is mostly adopted as a driving mechanism of a thrust detection device, when the thrust detection device is applied to critical thrust detection of some tiny components on a circuit board, the cylinder drives a pushing component to move, slight shaking or deviation is unavoidable, and the accuracy of detection is greatly influenced due to the fact that the size of a workpiece to be detected is tiny. Therefore, when the existing thrust detection device detects tiny electronic components, the thrust cannot be ensured to be absolutely perpendicular to the workpiece, and the problem of uneven thrust can exist, so that the accuracy and efficiency of thrust detection are affected.

In addition, when the thrust detection device reaches the critical pressure value, the output thrust can continue to act, if the operator fails to process in time, the thrust detection device itself can be damaged, and the recorded thrust data can also have deviation. In summary, the existing thrust detection device has the technical problem of low detection accuracy.

Disclosure of utility model

The utility model mainly aims to provide a thrust detection device, which aims to improve the uniformity of the thrust output by a driving mechanism to a workpiece and provide timely and effective prompt functions so as to avoid the problem that the detection device acquires an inaccurate thrust value.

In order to achieve the above objective, the present utility model provides a thrust detection device, which includes a supporting frame, a driving mechanism, a pushing assembly, a workpiece carrying seat, and a buzzer; the workpiece bearing seat is used for accommodating a workpiece, the driving mechanism is used for driving the pushing assembly to be close to or far away from the workpiece bearing seat, and the pushing assembly comprises a stamping head used for stamping the workpiece; the inner side of the supporting frame body is provided with a plurality of guide rails, the pushing component is provided with a sliding block matched with the guide rails, and the pushing component is arranged on the inner side of the supporting frame body in a sliding way through the sliding block; the supporting frame body is also provided with a material dropping sensor, and the pushing assembly is provided with a trigger matched with the material dropping sensor.

Optionally, the guide rails are symmetrically arranged on two sides of the supporting frame body, the pushing assembly further comprises a supporting plate, and two ends of the supporting plate are respectively connected with the guide rails through sliding blocks.

Optionally, the shape of backup pad is 丅 types, the punching press head detachably installs in the bottom of backup pad.

Optionally, the pushing component is provided with a plurality of, actuating mechanism includes a plurality of split type cylinders, split type cylinder quantity with pushing component's quantity corresponds, thrust detection device still includes a plurality of air-vent valves, a plurality of the air-vent valve respectively with a plurality of split type cylinder intercommunication.

Optionally, the thrust detection device further comprises a base, and a transmission mechanism is arranged between the base and the workpiece bearing seat and used for driving the workpiece bearing seat to move.

The transmission mechanism comprises a transmission track arranged on the base and a motion carrier plate arranged below the workpiece bearing seat

Optionally, the workpiece bearing seat is detachably provided with a pressure sensor.

Optionally, the thrust detection device further comprises a control button and a protective cover, and the protective cover is detachably mounted on the outer side of the support frame body.

The utility model has the beneficial effects that: according to the utility model, the driving mechanism outputs thrust and acts on the pushing assembly, the pushing assembly keeps uniform linear motion along the guide rail and punches the workpiece, and when the workpiece cannot bear a set thrust value, the pushing assembly can continue to downwards until the material dropping sensor is triggered. According to the utility model, through the guide structure of the guide rail and the sliding block, the stability of the pushing assembly is improved, and the stress of each workpiece to be detected is ensured to be uniform, so that the accuracy of thrust detection is improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a thrust detecting device according to an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of FIG. 1 along the direction AA;

FIG. 3 is a schematic cross-sectional view of the structure of FIG. 1 along BB;

FIG. 4 is a schematic structural view of another embodiment of the thrust detecting device of the present utility model;

fig. 5 is an exploded view of another embodiment of the thrust detecting device according to the present utility model.

Reference numerals illustrate:

A support frame 100; a pushing assembly 200; a workpiece carrying base 300; a drive mechanism 400; a base 500; a protective cover 600;

a guide rail 101; a blanking sensor 102;

A slider 201; a trigger 202; a punch 203; a support plate 204;

A pressure sensor 301; a motion carrier 302;

A pressure regulating valve 501; a transmission 502; a buzzer 503; a manipulation button 504; a drive track 505;

a PCB 701; an electronic component 702.

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, if the meaning of "and/or" is presented throughout this document, it is intended to include three schemes in parallel, taking "a and/or B" as an example, including a scheme, or B scheme, or a scheme where a and B meet simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

Referring to fig. 2 and 4, an embodiment of the present utility model proposes a thrust detection device, which includes a workpiece carrying seat 300, a driving mechanism 400, a pushing assembly 200, a supporting frame 100, and a buzzer 503; the workpiece carrying seat 300 is used for accommodating a workpiece, the driving mechanism 400 is used for driving the pushing assembly 200 to be close to or far away from the workpiece carrying seat 300, and the pushing assembly 200 comprises a stamping head 203 used for stamping the workpiece; the inner side of the supporting frame body 100 is provided with a plurality of guide rails 101, the pushing component 200 is provided with sliding blocks 201 matched with the guide rails 101, and the pushing component 200 is arranged on the inner side of the supporting frame body 100 in a sliding manner through the sliding blocks 201; the supporting frame 100 is further provided with a material dropping sensor, and the pushing assembly 200 is provided with a trigger 202 matched with the material dropping sensor.

Specifically, the thrust detecting device further includes a base 500, and the base 500 is used for supporting and stabilizing other structures. The shape of the supporting frame 100 is 冂; the driving mechanism 400 includes, but is not limited to, a hydraulic cylinder, a pneumatic cylinder, a servo motor, etc., and the driving mechanism 400 is disposed on top of the inner wall of the supporting frame 100; the pushing assembly 200 is connected to the driving end of the driving mechanism 400, and the pushing assembly 200 refers to a mechanism that converts the aerodynamic force or other energy input by the driving mechanism 400 into linear thrust for output, and at least includes a push rod or a punch 203 to act on a workpiece; the guide rail 101 is disposed on a side wall of the supporting frame 100 and extends in a vertical direction, and one side of the pushing component 200 is movably connected to the guide rail 101 through a sliding block 201; when the thrust force detection device performs punching, the workpiece carrying seat 300 is located inside the supporting frame 100 and below the pushing assembly 200; the workpiece carrying base 300 is provided with a mounting position (not shown) for accommodating a workpiece.

Further, in the embodiment, referring to fig. 2 and 3, the workpiece to be tested is a PCB 701, and the requirement for the thrust detection is to perform respective critical thrust detection on a plurality of electronic components 702 (here, mos tubes are taken as examples) on the PCB 701, and the PCB 701 is placed perpendicular to the workpiece carrier 300, so that the pushing assembly 200 performs thrust detection on the mos tubes on the PCB 701.

Further, the blanking sensor 102 is a device capable of converting physical quantities into electrical signals, detecting some changes in external environment or machine equipment, and converting the changes into electrical signals for subsequent control and processing, where the blanking sensor includes, but is not limited to, a photoelectric sensor, a pressure variable resistance sensor, etc., and the blanking sensor is shielded or abutted by the trigger 202 to implement automatic control of the thrust detection device, when the blanking sensor is triggered by the trigger 202, the thrust output of the driving mechanism 400 is stopped by a preset control system, and meanwhile, the buzzer 503 sounds, and the operator can learn the signals of the blanking sensor in real time through the sound of the buzzer 503, without having to observe a display screen or a monitoring device specifically. This intuitive feedback mechanism helps to quickly react and handle potential faults, improving detection efficiency and safety. In this embodiment, the material-dropping sensor is L-shaped, and one side of the material-dropping sensor 102 is connected to the side wall of the supporting frame 100 and extends inwards to avoid the guide rail 101, so that the material-dropping sensor also plays a role in limiting the pushing component 200, so as to avoid damage to the thrust detection device.

Before the measurement, the thrust detection device performs the centering alignment on the punch 203 on the pushing assembly 200 and the workpiece, and after the alignment, the distance between the punch 203 and the workpiece is greater than the distance between the trigger 202 and the blanking sensor 102.

In this embodiment, the thrust detection device adopts an air cylinder as the driving mechanism 400, adjusts the air pressure value of the air cylinder to adjust the required preset critical thrust value, and outputs the thrust to act on the pushing assembly 200, and the pushing assembly 200 keeps uniform linear motion along the guide rail 101 and punches the workpiece. If the workpiece cannot bear the preset critical thrust value, the electronic component 702 corresponding to the stamping is damaged and falls off, and the pushing assembly 200 continues to move downwards until the material dropping sensor senses the trigger 202, and the material dropping sensor is set as a pressure variable resistance sensor, which senses the pressure transmitted by the trigger 202 and is triggered. After the material dropping sensor is triggered, the driving mechanism 400 stops working and sounds through the buzzer 503 to warn the operator. The electrical connection between the blanking sensor and the buzzer 503 may be implemented by a programmable logic controller or a microcontroller. According to the embodiment, through the guide structure of the guide rail 101 and the slide block 201, the stability of the pushing assembly 200 is improved, and the stress uniformity and consistency of each workpiece to be detected are ensured, so that the accuracy of thrust detection is improved. Meanwhile, a material dropping sensor is matched with the buzzer 503 to carry out a real-time and reliable prompt mechanism, so that the damage of the thrust detection device is effectively avoided, and the accuracy of detection data is improved.

Referring to fig. 2, 4 and 5, in this embodiment, the plurality of guide rails 101 are symmetrically disposed at two sides of the supporting frame 100, the pushing assembly 200 further includes a supporting plate 204, and two ends of the supporting plate 204 are respectively connected to the plurality of guide rails 101 through sliding blocks 201.

Specifically, the shape of the supporting plate 204 is 丅, the stamping head 203 is detachably mounted at the bottom of the supporting plate 204, two guide rails 101 are provided, two ends of the supporting plate 204 are respectively connected with one trigger 202, the trigger 202 is also used as a connecting part to enable the sliding blocks 201 to be mounted on the supporting plate 204, two sliding blocks 201 are correspondingly matched with one guide rail 101, namely, two sliding blocks 201 are respectively arranged at two ends of the pushing assembly 200, the pushing assembly 200 is in sliding connection with the guide rail 101 through the two sliding blocks 201, friction force and stability between the pushing assembly 200 and the guide rail 101 are effectively reduced, and meanwhile, the symmetrically arranged guide rails 101 also enable the pushing assembly 200 to keep stable when moving. When the pushing component 200 moves and applies force to the outer side, the sliding blocks 201 on the two side guide rails 101 uniformly share the load, so that the pressure born by the single sliding block 201 is reduced, and compared with the connection mode of the single guide rail 101 and the single sliding block 201, the connection of the double guide rails 101 and the multiple sliding blocks 201 can provide better balance and support, the shaking and deviation are avoided, and the reliability of detection data is further improved.

Further, the size and shape of the stamping head 203 are adapted to those of the workpieces, when a plurality of workpieces need to be synchronously detected, a plurality of stamping heads 203 can be correspondingly arranged, and by adjusting the size of the stamping heads 203, the distance between each stamping head 203 and each corresponding workpiece to be detected can be ensured to be consistent, so that the synchronism of detection is ensured.

Referring to fig. 4 and 5, in the present embodiment, the pushing assemblies 200 are provided in plurality, and the driving mechanism 400 includes a plurality of split cylinders, and the number of split cylinders corresponds to the number of the pushing assemblies 200.

Specifically, the pushing assembly 200 is provided with three pushing assemblies, and correspondingly, the stamping head 203 and the split type air cylinder are also provided with three pushing assemblies respectively, and the split type air cylinder ensures that each workpiece can be uniformly stressed. The purpose of setting up a plurality of pushing components 200 is convenient for test to multiple work pieces, because a plurality of electronic components 702 can be welded or glued on single PCB board 701, adopt a plurality of pushing components 200 to realize the synchronous test of multiple work pieces, save test time, improve test efficiency.

Further, the number of the guide rails 101 is also set corresponding to the number of the pushing assemblies 200, that is, three guide rails 101 are respectively disposed at two sides of the supporting frame 100, six guide rails 101 are total, a plurality of the pushing assemblies 200 are disposed in parallel with each other, and two ends of each pushing assembly 200 are respectively connected to the corresponding two guide rails 101.

Further, the material dropping sensor 102 is a pressure sensor, and sensing areas (not shown) respectively matching with the triggers 202 of the pushing assemblies 200 are disposed on the material dropping sensor 102, so that when the material dropping sensor 102 is triggered by different triggers 202, the thrust value of the corresponding workpiece can be recorded.

Referring to fig. 1 and 5, in this embodiment, the thrust force detecting device further includes a plurality of pressure regulating valves 501, and the plurality of pressure regulating valves 501 are respectively connected to a plurality of split cylinders, where the pressure regulating valves 501 are connected to the split cylinders through pipes (not shown). The pressure regulating valve 501 regulates the air pressure of the air cylinder, thereby regulating the preset critical thrust output by the air cylinder, and the pressure regulating valve 501 can be set to stepless pressure regulation to realize accurate control of each driving mechanism 400, thereby realizing high precision and high stability of detection data (i.e. preset critical thrust).

Referring to fig. 3-5, in this embodiment, a transmission mechanism 502 is disposed between the base 500 and the workpiece carrier 300, and the transmission mechanism 502 is used to drive the workpiece carrier 300 to move.

Specifically, the transmission mechanism 502 includes a transmission track 505 disposed on the base 500 and a motion carrier plate 302 disposed at the bottom of the workpiece carrier 300, where the motion carrier plate 302 is a mechanical member for supporting and transferring a load, and is connected to the transmission track 505 through a sliding piece at the bottom, so as to implement axial movement of the workpiece carrier 300, thereby facilitating positioning of workpieces in the workpiece carrier 300, and the transmission mechanism 502 can design a suitable positioning manner according to shapes and sizes of different workpieces, so as to improve applicability of the thrust detection device.

Referring to fig. 3-5, in this embodiment, the workpiece carrier 300 is detachably provided with a pressure sensor 301. By installing the pressure sensor 301, it is further confirmed whether the preset critical pressure value acting on the workpiece carrying seat 300 is accurate or not before the detection of the thrust value of the workpiece, thereby facilitating real-time analysis and optimization of the workload and thrust.

Referring to fig. 1, in the present embodiment, the thrust detecting device further includes a manipulation button 504 and a protection cover 600, and the protection cover 600 is detachably mounted on the outer side of the support frame 100. The control button 504 includes a start button, a scram button, etc., and in addition, since the workpiece to be tested is damaged due to the excessive output thrust of the cylinder when the critical pressure of the workpiece is measured, in order to prevent the damaged workpiece scraps from sputtering, the protection cover 600 can be sleeved outside to prevent the damage to the external environment or the staff when the thrust detection device operates.

The utility model is illustrated in more detail below by way of examples. However, the following examples are illustrative only and the scope of the present utility model should not be construed as being limited by the following examples. It will be apparent to those skilled in the art that any changes, modifications or alterations may be made without departing from the spirit of the utility model.

The present example provides the working principle of the thrust detection device of an embodiment:

Firstly, pressure adjustment is carried out on each corresponding split type cylinder by adopting each air pressure valve, so that critical thrust is preset;

Secondly, the actual value of the preset critical thrust of each pushing output assembly is confirmed by installing a pressure sensor 301 on the workpiece bearing seat 300, and then the pressure sensor 301 is disassembled and the detection on whether the workpiece meets the thrust requirement in the process range is started;

The method comprises the steps that each split type air cylinder is adopted to output corresponding preset critical thrust, the preset critical thrust is respectively transmitted to each corresponding pushing component 200, each pushing component 200 keeps uniform linear motion along a guide rail 101, and each electronic component 702 (here, a mos tube) arranged on a PCB 701 at intervals is respectively punched;

When the workpiece cannot bear the set thrust force value, the workpiece may be damaged in the process, and the pushing assembly 200 continues to move downwards until the blanking sensor 102 senses the trigger 202.

According to the utility model, through the guide structures of the guide rail 101 and the sliding block 201, the stability of the pushing assembly 200 is improved, and the stress of each workpiece to be detected is ensured to be uniform, so that the accuracy of thrust detection is improved, after the material dropping sensor is triggered, the driving mechanism 400 stops acting, and the buzzer 503 sounds to warn an operator.

The foregoing description is only of the optional embodiments of the present utility model, and is not intended to limit the scope of the utility model, and all the equivalent structural changes made by the description of the present utility model and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims

1. The thrust detection device is characterized by comprising a supporting frame body, a driving mechanism, a pushing component, a workpiece bearing seat and a buzzer;

The workpiece bearing seat is used for accommodating a workpiece, the driving mechanism is used for driving the pushing assembly to be close to or far away from the workpiece bearing seat, and the pushing assembly comprises a stamping head used for stamping the workpiece;

the inner side of the supporting frame body is provided with a plurality of guide rails, the pushing component is provided with a sliding block matched with the guide rails, and the pushing component is arranged on the inner side of the supporting frame body in a sliding way through the sliding block;

The supporting frame body is also provided with a material dropping sensor, and the pushing assembly is provided with a trigger matched with the material dropping sensor.

2. The thrust detecting device according to claim 1, wherein a plurality of the guide rails are symmetrically disposed on both sides of the supporting frame body, the pushing assembly further comprises a supporting plate, and both ends of the supporting plate are respectively connected to the guide rails through sliding blocks.

3. The thrust force detection apparatus of claim 2, wherein said support plate is of a 丅 type in shape and said punch head is detachably mounted to a bottom of said support plate.

4. The thrust force detection device according to claim 2, wherein the pushing assembly is provided in plurality, the driving mechanism comprises a plurality of split cylinders, the number of the split cylinders corresponds to the number of the pushing assemblies, the thrust force detection device further comprises a plurality of pressure regulating valves, and the plurality of pressure regulating valves are respectively communicated with the plurality of split cylinders.

5. The thrust detecting device of claim 1, further comprising a base, a transmission mechanism being disposed between the base and the workpiece carrying seat, the transmission mechanism being configured to drive the workpiece carrying seat to move.

6. The thrust force detection apparatus of claim 5, wherein the drive mechanism includes a drive rail disposed on the base and a moving carrier plate disposed below the workpiece carrier.

7. The thrust force detection apparatus of claim 1, wherein the workpiece carrier is detachably provided with a pressure sensor.

8. The thrust detecting device according to claim 1, further comprising a manipulation button and a protective cover detachably mounted on an outer side of the support frame.