CN220040038U - Ear-hook detection device - Google Patents

Abstract

The utility model discloses an ear hook detection device, and relates to the technical field of mask production. The utility model provides an ear-hook detection device, includes the workstation, be provided with the transfer table on the workstation, the transfer table is used for conveying the gauze mask, be provided with the detection station on the workstation, the transfer table passes through the detection station, the detection station includes hold-down mechanism and stretching mechanism, hold-down mechanism is used for compressing tightly the middle part of the cover body, stretching mechanism is about hold-down mechanism symmetry sets up, stretching mechanism is used for tensile ear-hook. The utility model has the effect of improving the detection efficiency of the ear hanging tension.

Description

Ear-hook detection device

Technical Field

The utility model relates to the field of mask production, in particular to an ear-hook detection device.

Background

The mask is a personal protection sanitary article and is generally worn on the mouth and nose to filter air entering the mouth and nose, so that the mask can block harmful gases, odors, viruses and other substances. The mask comprises a mask body and ear hooks at two sides, and the ear hooks are welded at two sides of the mask body. When the mask is used, the earhook is used for being hung on the ear so as to fix the mask, if the connection strength of the mask earhook and the mask body is insufficient, the mask cannot be used due to easy breakage during wearing, and therefore, the tension of the earhook is clearly required.

In the mask production process, the tension of the ear hook needs to be detected. The mode of detecting the tension of the ear hook is usually that a manual sampling inspection mode is adopted, the mask is randomly selected, one end of the mask is fixed, the other end of the mask is connected with the ear hook through a tension meter, and the ear hook is pulled through the tension of the tension machine, so that the pressure born by the ear hook is measured.

But adopt above-mentioned mode can't carry out pulling force to all gauze masks and detect, can appear leaking the condition of examining, and measure pulling force through the pulling force machine, detection efficiency is lower.

Disclosure of Invention

In order to improve the detection efficiency of the tension of the ear hook, the utility model provides an ear hook detection device.

The utility model provides an ear-hook detection device which adopts the following technical scheme:

the utility model provides an ear-hook detection device, includes the workstation, be provided with the transfer table on the workstation, the transfer table is used for conveying the gauze mask, be provided with the detection station on the workstation, the transfer table passes through the detection station, the detection station includes hold-down mechanism and stretching mechanism, hold-down mechanism is used for compressing tightly the middle part of the cover body, stretching mechanism is about hold-down mechanism symmetry sets up, stretching mechanism is used for tensile ear-hook.

Through above-mentioned technical scheme, the gauze mask conveys on the transfer table and arrives the detection station, and hold-down mechanism compresses tightly the cover body, and fixed gauze mask is in the position of conveyer belt, and stretching mechanism pulls the ear-hanging of both sides and to the tensile ear-hanging of conveyer belt both sides, and the pulling force of ear-hanging is scheduled through the state of whole tensile in-process ear-hanging, whether the joint strength of ear-hanging and cover body is qualified promptly. The hold-down mechanism presses the middle part of the cover body, and the stretching mechanism stretches the ear-hang at both sides simultaneously, so that the tension of the ear-hang at both sides is measured simultaneously, the detection efficiency of the ear-hang is improved, and the detection of all the masks on the conveying table can be realized.

Preferably, the hold-down mechanism is including setting up in the pole setting of transfer table both sides, the pole setting is connected with the diaphragm jointly, the middle part of diaphragm is connected with the mounting panel, mounting panel fixedly connected with compresses tightly the cylinder, compress tightly the output orientation of cylinder transfer table and fixedly connected with briquetting.

Through above-mentioned technical scheme, pole setting and diaphragm provide the installation basis for hold-down mechanism and stretching mechanism, and the output of compressing tightly the cylinder stretches out and drives the briquetting and descend, and the briquetting compresses tightly the cover body on the workstation to the position of fixed gauze mask.

Preferably, the stretching mechanism comprises linear driving assemblies arranged at two ends of the transverse plate, the two linear driving assemblies are connected with pull rope rods, the pull rope rods are provided with pull force sensors, the pull rope rods are used for pulling the earhooks, and the linear driving assemblies drive the pull rope rods to transversely move outwards.

Through above-mentioned technical scheme, after the briquetting compresses tightly the cover body, the stay cord pole of both sides pulls the ear-hang respectively, and the stay cord pole is stretched the ear-hang outside through sharp drive assembly drive, and the pulling force sensor detects the pulling force of stretching in-process ear-hang.

Preferably, the linear driving assembly comprises a fixed seat and a base which are connected to the transverse plate, a guide rod and a limiting rod are connected between the fixed seat and the base, the guide rod and the limiting rod are connected with a sliding block in a sliding mode, the sliding block is fixedly connected with a connecting plate, the connecting plate is connected with a telescopic rod, and the stay cord rod is connected to the output end of the telescopic rod.

Through above-mentioned technical scheme, the slider removes along the direction of guide arm and gag lever post, drives the stay cord pole through the connecting plate is synchronous to be removed, drives the stay cord pole through the flexible of telescopic link and goes up and down to the stay cord pole can be close to or keep away from the ear-hang, when examining the side and accomplish the back, the telescopic link is retracted, and the stay cord pole rises and makes the gauze mask continue to convey along the transfer table.

Preferably, the linear driving assembly further comprises a rotating motor connected to one side, far away from the fixed seat, of the transverse plate, the output end of the rotating motor is connected with a rotating plate, connecting rods are arranged on two opposite sides of the rotating plate, and one side, far away from the rotating plate, of the connecting rods is connected to the sliding block.

Through the technical scheme, the rotating motor is started to drive the rotating plate to rotate, and the sliding block is pushed to move along the direction of the limiting rod and the guide rod through the rotation of the connecting rod, so that the pulling rope rod stretches the ear hook.

Preferably, a screw rod is arranged on one side, close to the connecting plate, of the sliding block in a penetrating mode, a sliding groove is formed in the connecting plate, the screw rod penetrates through the sliding groove, and a locking bolt is connected with the screw rod in a threaded mode.

Through above-mentioned technical scheme, realize the connection of sliding block and connecting plate through screw rod and locking bolt, change the position of screw rod at the spout, can realize the change of connecting plate height to change the height of stay cord pole, make things convenient for the stay cord pole to the tensile of ear-hang.

Preferably, the fixed seat is provided with a travel switch, the travel switch is abutted to the sliding block, and the travel switch is used for controlling the rotary motor to reversely rotate.

Through the technical scheme, the motor rotates to drive the sliding block to move towards the outer side of the workbench, the travel switch is touched in the moving process, the travel switch changes the rotating direction of the motor, the sliding block is driven to move in the opposite direction to be close to the workbench, and the sliding block is driven to move in a reciprocating manner in a circulating manner through the travel switch, so that the detection of the tension of the ear hook is completed sequentially.

Preferably, the workbench is provided with an infrared sensor at one side of the conveying table near the detection station, and the infrared sensor is used for detecting whether a mask exists on the conveying table.

Through above-mentioned technical scheme, infrared sensor realizes detecting whether the station has the gauze mask, reduces the omission of gauze mask and examines or empty.

In summary, the utility model has the following beneficial effects:

1. the gauze mask conveys on the transfer table and arrives the detection station, and hold-down mechanism compresses tightly the cover body, and fixed gauze mask is in the position of conveyer belt, and stretching mechanism pulls the ear-hang of both sides and to the tensile ear-hang of conveyer belt both sides, and the pulling force of ear-hang is scheduled through the state of whole tensile in-process ear-hang, whether the joint strength of ear-hang and cover body is qualified promptly. The hold-down mechanism presses the middle part of the cover body, and the stretching mechanism stretches the ear-hang at both sides simultaneously, so that the tension of the ear-hang at both sides is measured simultaneously, the detection efficiency of the ear-hang is improved, and the detection of all masks on the conveying table can be realized.

2. The motor rotates to drive the sliding block to move towards the outer side of the workbench, the travel switch is touched in the moving process, the travel switch changes the rotating direction of the motor, the sliding block is driven to move in the opposite direction to be close to the workbench, and the sliding block is driven to move in a reciprocating manner in a circulating manner through the travel switch, so that the tension of the ear hook is detected.

Drawings

FIG. 1 is a schematic view of the overall structure of an embodiment of the present utility model;

FIG. 2 is an enlarged schematic view of a portion of FIG. 1A;

fig. 3 is a schematic structural diagram of another state of the embodiment of the present utility model.

Reference numerals illustrate: 1. a work table; 11. a transfer station; 12. an infrared sensor; 2. a mask; 21. a cover body; 22. ear-hanging; 3. a vertical rod; 31. a cross plate; 4. a mounting plate; 41. a compacting cylinder; 42. briquetting; 5. a rotating electric machine; 51. a rotating plate; 52. a connecting rod; 6. a fixing seat; 61. a base; 62. a guide rod; 63. a limit rod; 64. a sliding block; 7. a connecting plate; 71. a chute; 72. a screw; 73. a locking bolt; 8. a telescopic rod; 81. a pull rod; 82. a tension sensor; 9. and a travel switch.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-3.

The embodiment of the utility model discloses an ear-hook detection device. Referring to fig. 1, an ear-hook detecting device includes a workbench 1, a conveying table 11 for conveying a mask 2 is provided on the workbench 1, the mask 2 is placed above the conveying table 11, and an ear-hook 22 of the mask 2 extends out of the conveying table 11, a detecting station is provided at a fixed position of the workbench 1, and the mask 2 reaches the detecting station via a conveying belt. The workbench 1 is provided with an infrared sensor 12 at one side of the conveying table 11, the infrared sensor 12 is close to the detection station, the infrared sensor 12 is used for detecting whether the conveying table 11 has the mask 2, and when the mask 2 on the conveying table 11 is detected to reach the detection station, the detection of the tension of the ear hook 22 is started. The detection station is provided with a pressing mechanism and a stretching mechanism, the pressing mechanism fixes the position of the mask 2, and the stretching mechanism stretches the ear hooks 22 towards two sides.

The hold-down mechanism includes pole setting 3, diaphragm 31, mounting panel 4, compresses tightly cylinder 41 and briquetting 42, and pole setting 3 is connected in workstation 1, and pole setting 3 symmetry sets up in the both sides of transfer table 11, and diaphragm 31 is connected in pole setting 3, and mounting panel 4 is connected in the middle part of diaphragm 31, and the length direction of mounting panel 4 is perpendicular to the length direction of diaphragm 31, compresses tightly cylinder 41 fixed connection in mounting panel 4, compresses tightly the output of cylinder 41 towards transfer table 11, and the clamp plate is connected in the output of compressing tightly cylinder 41. When the infrared sensor 12 detects the mask 2, the output end of the pressing cylinder 41 stretches out, and the pressing plate descends to press down the middle part of the mask 2, so that the position of the mask 2 is fixed.

Referring to fig. 1 and 2, two stretching mechanisms are provided, and the two stretching mechanisms are provided on both sides of the transverse plate 31 and are symmetrically arranged with respect to the mounting plate 4, so that the two ear-hooks 22 can be synchronously detected, and the detection efficiency is improved. The stretching mechanism comprises a fixed seat 6 and a base 61 which are connected to the transverse plate 31, a guide rod 62 and a limiting rod 63 are connected between the fixed seat 6 and the base 61, the length directions of the guide rod 62 and the limiting rod 63 are parallel, and are both set to be horizontal, the guide rod 62 and the limiting rod 63 are all provided with sliding blocks 64 in a penetrating mode, and the sliding blocks 64 are limited to move along the horizontal direction through the guide rod 62 and the limiting rod 63. The sliding block 64 is connected with the connecting plate 7, and the connecting plate 7 is provided with bearing platform, and bearing platform fixedly connected with telescopic link 8, and the output of telescopic link 8 passes bearing platform and towards transfer table 11, and the output of telescopic link 8 is connected with stay cord pole 81, and stay cord pole 81 department is provided with tension sensor 82.

The sliding block 64 moves horizontally along the direction of the guide rod 62 and the limit rod 63, and drives the connecting plate 7 and the stay bar 81 to move synchronously. The output end of the telescopic rod 8 stretches out, the pull rope rod 81 descends to deep into the ear hook 22, when the pull rope rod 81 moves towards the outer side of the conveying table 11 along with the sliding block 64, the pull rope rod 81 stretches the ear hook 22, the ear hook 22 is stretched, a specific tensile value can be measured through the pull force sensor 82, and judgment is convenient.

One side of the transverse plate 31 far away from the fixed seat 6 is connected with a rotating motor 5, the output end of the rotating motor 5 passes through the transverse plate 31 and is connected with a rotating plate 51, the rotating plate 51 comprises a large square plate in the middle and small square plates with two protruding sides, the positions of the small square plates are opposite up and down, two sides of the rotating plate 51 are hinged with connecting rods 52, and one end of the connecting rods 52 far away from the rotating plate 51 is hinged with a sliding block 64. The rotating motor 5 is started to drive the rotating plate 51 to rotate, the small square plates on the two sides synchronously rotate, the positions of the connecting rods 52 change and move to the two sides, so that the sliding blocks 64 on the two sides are pushed to move towards the outer side of the conveying table 11 along the direction of the guide rods 62, the pulling rope rods 81 on the two sides stretch the ear hook 22, and the tension of the ear hook 22 is detected.

The fixed seat 6 is fixedly connected with a travel switch 9, the contact of the travel switch 9 faces the sliding block 64, when the sliding block 64 moves towards two sides of the workbench 1, the sliding block 64 touches the contact of the travel switch 9, the travel switch 9 controls the rotating motor 5 to change the rotating direction, so that the rotating plate 51 rotates in the opposite direction, the sliding block 64 moves towards the conveying table 11, and the detection of the current ear hook 22 is finished. The rotary motor 5 rotates circularly, so that the sliding block 64 moves transversely and reciprocally, and detection of the ear hook 22 is realized in turn.

Referring to fig. 1 and 3, the rotary plate 51 is in a state that two small square plates are arranged one above the other, the small square plate at the upper end of the left side is connected with the sliding block 64 at the right side through the connecting rod 52, the square plate at the lower end of the right side is connected with the sliding block 64 at the left side through the connecting rod 52, the motor is started to drive the rotary plate 51 to rotate clockwise, the small square plate at the left side rotates rightwards to push the sliding block 64 at the right side to move transversely to the right, and the pull rope rod 81 drives the earhook 22 to stretch rightwards; the small square plate on the right side rotates leftwards to drive the sliding block 64 on the left side to move leftwards, the pull rope rod 81 drives the ear hook 22 to stretch leftwards, and the pull force sensor 82 detects the pull force of the ear hook 22; after the sliding blocks 64 on the two sides move to touch the travel switch 9, the detection is finished, the motor is reversed, and the sliding blocks 64 on the two sides return to the middle, so that the detection of the mask 2 is finished.

Referring to fig. 2, the connecting plate 7 is provided with a chute 71, a screw 72 is threaded on one side of the sliding block 64 near the connecting plate 7, the screw 72 is connected to the connecting plate 7 by penetrating through the chute 71, and a locking bolt 73 is screwed on one end of the screw 72 extending out of the chute 71. The position of the connecting plate 7 is fixed through the locking bolt 73, the position of the screw 72 in the chute 71 is changed, the height of the connecting plate 7 is changed, the height of the pull rope rod 81 is driven to be changed, the pull rope rod 81 can be enabled to extend into the ear hook 22 after the output end of the telescopic rod 8 extends out, the output end of the telescopic rod 8 is retracted, and the pull rope rod 81 can be far away from the ear hook 22.

The implementation principle of the ear-hook detection device provided by the embodiment of the utility model is as follows: the distance of movement of the pull rod 81 is preset in advance according to the connection strength standard of the cover 21 and the ear hook 22, and the position of the travel switch 9 is arranged according to the distance. The mask 2 is conveyed on the conveying table 11, when the infrared sensor 12 detects that the mask 2 reaches a detection station, the output end of the pressing cylinder 41 stretches out and draws back, and the pressing block 42 descends to press the mask body 21, so that the position of the mask 2 is fixed; the output end of the telescopic rod 8 stretches out, the pull rope rod 81 is deeply inserted into the ear hook 22, the motor is started to drive the rotating plate 51 to rotate, the sliding blocks 64 on the two sides move towards the outer side of the conveying table 11, and the pull rope rod 81 stretches the ear hook 22 towards the two sides. When the pull rod 81 moves a preset distance and then touches the travel switch 9, if the ear-hook 22 is not broken, the pulling force of the ear-hook 22 meets the requirement; if the ear hook 22 is broken, the tension of the ear hook 22 is not satisfactory, and the tension sensor 82 detects the tension value and feeds back to the control system. The travel switch 9 drives the motor to reversely rotate, the sliding blocks 64 on two sides move and reset towards the inner side of the conveying table 11, the output ends of the telescopic rods 8 retract, the stay wire rods 81 are far away from the earhook 22, the output ends of the compression cylinders 41 retract, the pressing blocks 42 are far away from the mask body 21, the mask 2 can continue to be conveyed along the conveying table 11, the detection of the earhook 22 of the current mask 2 is completed, and the tension detection of the earhook 22 of all masks 2 can be completed in a circulation flow.

The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.

Claims (8)

1. An ear-hook detection device comprises a workbench (1), and is characterized in that: be provided with transfer table (11) on workstation (1), transfer table (11) are used for conveying gauze mask (2), be provided with detection station on workstation (1), transfer table (11) are passed through detection station, detection station includes hold-down mechanism and stretching mechanism, hold-down mechanism is used for compressing tightly the middle part of the cover body (21), stretching mechanism is about hold-down mechanism symmetry sets up, stretching mechanism is used for tensile earhook (22).

2. An ear-hook detection device according to claim 1, wherein: the pressing mechanism comprises upright rods (3) arranged on two sides of the conveying table (11), the upright rods (3) are connected with a transverse plate (31) together, the middle part of the transverse plate (31) is connected with a mounting plate (4), the mounting plate (4) is fixedly connected with a pressing cylinder (41), and the output end of the pressing cylinder (41) faces the conveying table (11) and is fixedly connected with a pressing block (42).

3. An ear-hook detection device according to claim 2, wherein: the stretching mechanism comprises linear driving assemblies arranged at two ends of the transverse plate (31), the two linear driving assemblies are connected with pull rope rods (81), the pull rope rods (81) are provided with pull force sensors (82), the pull rope rods (81) are used for pulling the earhooks (22), and the linear driving assemblies drive the pull rope rods (81) to move outwards transversely.

4. An ear-hook detection device according to claim 3, wherein: the linear driving assembly comprises a fixing seat (6) and a base (61) which are connected to the transverse plate (31), a guide rod (62) and a limiting rod (63) are connected between the fixing seat (6) and the base (61), the guide rod (62) and the limiting rod (63) are connected with a sliding block (64) in a sliding mode, the sliding block (64) is fixedly connected with a connecting plate (7), the connecting plate (7) is connected with a telescopic rod (8), and a pull rope rod (81) is connected to the output end of the telescopic rod (8).

5. An ear-hook detection device according to claim 4, wherein: the linear driving assembly further comprises a rotating motor (5) connected to one side, far away from the fixed seat (6), of the transverse plate (31), a rotating plate (51) is connected to the output end of the rotating motor (5), connecting rods (52) are arranged on two opposite sides of the rotating plate (51), and one side, far away from the rotating plate (51), of the connecting rods (52) is connected to the sliding block (64).

6. An ear-hook detection device according to claim 4, wherein: one side of the sliding block (64) close to the connecting plate (7) is provided with a threaded rod (72) in a penetrating mode, the connecting plate (7) is provided with a sliding groove (71), the threaded rod (72) is arranged in the sliding groove (71) in a penetrating mode, and the threaded rod (72) is connected with a locking bolt (73) in a threaded mode.

7. An ear-hook detection device according to claim 5, wherein: the fixed seat (6) is provided with a travel switch (9), the travel switch (9) is abutted to the sliding block (64), and the travel switch (9) is used for controlling the rotary motor (5) to reversely rotate.

8. An ear-hook detection device according to claim 1, wherein: the workbench (1) is provided with an infrared sensor (12) at one side of the conveying table (11) close to the detection station, and the infrared sensor (12) is used for detecting whether the conveying table (11) is provided with a mask (2).