Broken column detection mechanism

Abstract

The invention discloses a broken column detection mechanism, and the mechanism comprises a fixed table which is provided with a control button and is used for controlling the mechanism to act; the jig is used for placing and supporting a product; the first pressing plate is provided with a first round hole, and a movable part is movably arranged in the first round hole; the second pressing plate is provided with a second round hole, one end of a movable part is arranged at one end in the second pressing plate, one end of a proximity switch is arranged at the other end in the second pressing plate, and the movable part can move towards the proximity switch under the action of the driving part; the third pressing plate is provided with a third round hole, and a proximity switch is arranged in the third round hole and can sense the distance between the third pressing plate and the movable part; the press fitting device has the beneficial effects that the proximity switch and the movable part are arranged in the press fitting module, so that when the movable part presses a column of the product under the action of the driving part, whether the column is qualified or not can be judged by judging the distance between the movable part and the proximity switch; the mechanism can be used for easily identifying a bad column, and the problems of bad contact and jamming are avoided, so that the misjudgment probability is low.

Description

[Technical field]

[0001] The invention relates to the technical field of automation equipment, in particular to a broken column detection mechanism. [Background technology]

[0002] In the C part of the laptop computer (the side with the keyboard / touchpad), there are about 100 hot melt columns that fix the keyboard. They need to be inspected during the production process. If visual inspection is used, there will be omissions. The broken column detection fixture currently used uses metal probe contact for detection. The detection is carried out through the probe contact between the upper and lower plates. To ensure safety during detection, the probe is turned on using a 24V voltage.

[0003] However, the broken column detection fixture currently used is prone to some problems during the detection process: when the product is not in place, the probe is easily damaged by excessive force; the contact surface of the probe is easily oxidized, resulting in no conduction after contact, which is prone to misjudgment; the probe will wear out after a period of use, resulting in no rebound, which is prone to misjudgment of conduction; it is not easy to identify bad points; the maintenance frequency and time are long, which makes the detection work costly and inefficient.

[0004] In view of this, it is necessary to provide a broken column detection mechanism to solve the above problems. [Summary of the invention]

[0005] The technical problem to be solved by the present invention is that the currently used broken column detection jig is prone to some problems during its detection process: when the product is not placed in place, the probe is prone to excessive force and damage; the probe contact surface is prone to oxidation, resulting in no conduction after contact, which is prone to misjudgment; the probe will wear out after a period of use, resulting in no rebound, which is prone to misjudgment of conduction; it is difficult to identify bad points; the maintenance frequency and time are long, which makes the detection work costly and inefficient. Therefore, the present invention provides a broken column detection mechanism to solve the above problems.

[0006] The present invention solves the technical problem by providing a broken column detection mechanism, comprising:

[0007] A fixing platform, the fixing platform is used to connect and support the entire mechanism, and a control button is provided on the fixing platform, and the control button is used to control the actuation of the mechanism;

[0008] A jig, which is fixed on a fixed table and used to place and support the product. A fixed block is provided at one end of the jig, and the fixed block is used to position the product. The jig is shaped like the product, and a jig shaped like the product can be designed according to the specifications of the product;

[0009] A guide post, which can move in the guide sleeve under the control of the driving member, and is used to guide the pressing die set when it moves;

[0010] The pressing die set comprises a first pressing plate, a second pressing plate and a third pressing plate; wherein,

[0011] A first pressing plate, the first pressing plate is fixed on the guide sleeve, the first pressing plate is provided with a first circular hole, a movable part is movably provided in the first circular hole, the movable part can press down the column of the product under the action of the driving part, and then move toward one end of the proximity switch in the first circular hole, so that the movable part reaches the sensing distance of the proximity switch, that is, the column of the product is qualified for detection, if the column of the product is a broken column, then when the movable part presses down the column of the product under the action of the driving part, the movable part will not move toward one end of the proximity switch in the first circular hole, that is, it will not reach the sensing distance of the proximity switch, and then the proximity switch cannot sense the movable part, and it will be determined that the column corresponding to the movable part is a broken column;

[0012] a second pressing plate, the second pressing plate being fixed to the first pressing plate, the second pressing plate being provided with a second circular hole, one end of the second circular hole being movably provided with one end of a movable member penetrating through the first circular hole, and the other end being fixed with one end of a proximity switch penetrating through the third circular hole, and one end of the movable member in the second circular hole being able to move toward one end of the proximity switch under the action of the driving member;

[0013] A third pressing plate, the third pressing plate is fixed on the second pressing plate, the third pressing plate is provided with a third circular hole, a proximity switch is fixed in the third circular hole, the proximity switch is used to sense the distance with the movable part, and then detect whether the column of the product is qualified;

[0014] A fixing frame, the fixing frame is fixed on the first pressing plate, and a display screen is provided on the fixing frame, and the display screen is used to present the detection result of the product column;

[0015] A driving member is fixed on the support frame, and a movable rod is provided at one end of the driving member. The movable rod can pass through the circular hole of the support frame and be fixedly connected to the fixed frame. The movable rod is used to push the fixed frame under the control and drive of the driving member, so that the pressing module fixedly connected to the fixed frame moves together, and at the same time, the guide column can move in the guide sleeve.

[0016] Preferably, the control buttons provided on the fixed platform include: a power switch, a first start button, a second start button, a push-down timer, an emergency stop button, an OK indication, and an NG indication. When the detection mechanism is in operation, the power switch must be pressed first to start the equipment working; when the product is placed in place on the fixture for detection, the first start button and the second start button must be pressed with both hands at the same time. The double-button design can ensure the safety of the operator; the push-down timer can display the duration of the pressing module being pressed down, which is convenient for the operator to observe; if any accidents occur during the detection process, the emergency stop button can be pressed at any time to stop the equipment from working; after the detection is completed, if the product column detection is qualified, the OK indicator light will light up, indicating to the operator that the product detection is qualified; if the product column detection is unqualified, the NG indicator light will light up, indicating to the operator that the product detection is unqualified.

[0017] Preferably, the first pressing plate, the second pressing plate and the third pressing plate are respectively provided with first circular holes, second circular holes and third circular holes at corresponding positions and in corresponding numbers according to the columns of the products.

[0018] Preferably, the sensing distance between the proximity switch and the movable part can be actually adjusted according to the specifications of the product and the size of the proximity switch.

[0019] Preferably, the driving member is a cylinder.

[0020] The beneficial effect of the present invention is that, through a broken column detection mechanism, a proximity switch and a movable part are arranged in the second circular hole of the second pressure plate in the pressing module, so that when the movable part presses down the column of the product under the action of the driving part, it can move to change the distance from the proximity switch, and then it can be judged whether the column of the product is qualified by judging the distance between the movable part and the proximity switch. This mechanism can easily identify bad columns. When the product is not placed in place on the jig, the pressing module will only crush the product but will not damage the jig, thereby reducing the loss of the jig, and there will be no problems of poor contact and jamming during the detection process, so that the probability of misjudgment is low and the jig can be maintenance-free.

Brief Description of the Drawings

[0021] Figure 1 It is a structural schematic diagram of a broken column detection mechanism of the present invention.

[0022] Figure 2 It is a structural schematic diagram of the medium-pressure mold assembly pressing product of the present invention.

[0023] Figure 3 It is a cross-sectional schematic diagram of a broken column detection mechanism of the present invention. [Specific implementation method]

[0024] To further illustrate the technical means and effects adopted by the present invention, the following is a detailed description in conjunction with the embodiments of the present invention and the accompanying drawings.

[0025] The present invention provides a broken column detection mechanism, comprising:

[0026] A fixing platform 100, the fixing platform 100 is used to connect and support the entire mechanism, and a control button 101 is provided on the fixing platform 100, and the control button 101 is used to control the actuation of the mechanism;

[0027] A fixture 110, which is fixed on the fixed platform 100 and is used to place and support the product. A fixing block 111 is provided at one end of the fixture 110, and the fixing block 111 is used to position the product. The fixture 110 is shaped like the product, and the fixture 110 shaped like the product can be designed according to the specifications of the product;

[0028] A guide post 120, which can move in the guide sleeve 121 under the control of the driving member 170, and is used to guide the pressing die set 20 when it moves;

[0029] The pressing die set 20 includes a first pressing plate 130, a second pressing plate 140, and a third pressing plate 150; wherein,

[0030] The first pressing plate 130 is fixed on the guide sleeve 121. The first pressing plate 130 is provided with a first circular hole 131. A movable member 142 is movably provided in the first circular hole 131. The movable member 142 can press down the column of the product under the action of the driving member 170, and then move toward one end of the proximity switch 152 in the first circular hole 131, so that the movable member 142 reaches the sensing distance from the proximity switch 152, that is, the column of the product is qualified for detection. If the column of the product is a broken column, when the movable member 142 presses down the column of the product under the action of the driving member 170, the movable member 142 will not move toward one end of the proximity switch 152 in the first circular hole 131, that is, it will not reach the sensing distance from the proximity switch 152, and then the proximity switch 152 cannot sense the movable member 142, and it will be determined that the column corresponding to the movable member 142 is a broken column;

[0031] A second pressing plate 140, the second pressing plate 140 is fixed on the first pressing plate 130, the second pressing plate 140 is provided with a second circular hole 141, one end of the second circular hole 141 is movably provided with one end of a movable member 142 penetrating through the first circular hole 131, and the other end is fixed with one end of a proximity switch 152 penetrating through the third circular hole 151, and one end of the movable member 142 in the second circular hole 141 can move toward one end of the proximity switch 152 under the action of the driving member 170;

[0032] A third pressing plate 150, wherein the third pressing plate 150 is fixed on the second pressing plate 140, and the third pressing plate 150 is provided with a third circular hole 151, and a proximity switch 152 is fixed in the third circular hole 151, and the proximity switch 152 is used to sense the distance from the movable part 142, and then detect whether the column of the product is qualified;

[0033] A fixing frame 160, wherein the fixing frame 160 is fixed on the first pressing plate 130, and a display screen 161 is provided on the fixing frame 160, and the display screen 161 is used to present the detection result of the product column;

[0034] The driving member 170 is fixed on the support frame 172, and a movable rod 171 is provided at one end thereof. The movable rod 171 can pass through the round hole of the support frame 172 (not shown in the figure) and is fixedly connected to the fixed frame 160. The movable rod 171 is used to push the fixed frame 160 under the control of the driving member 170, so that the pressing die set 20 fixedly connected to the fixed frame 160 moves together, and at the same time, the guide column 120 can move in the guide sleeve 121.

[0035] Among them, the control buttons 101 provided on the fixed platform 100 include: a power switch 102, a first start button 103, a second start button 104, a press timer 105, an emergency stop button 106, an OK indicator 107, and an NG indicator 108. When the detection mechanism is in operation, the power switch 102 must be pressed first to start the equipment; when the product is placed in place on the fixture 110 for detection, the first start button 103 and the second start button 104 must be pressed with both hands at the same time. The double-button design can ensure the safety of the operator; the press timer 105 can display the time duration of the pressing module 20 being pressed down, which is convenient for the operator to observe; if any accident occurs during the detection process, the emergency stop button 106 can be pressed at any time to stop the equipment from working; after the detection is completed, if the product column is qualified, the OK indicator 107 light will light up, indicating to the operator that the product is qualified; if the product column is unqualified, the NG indicator 108 light will light up, indicating to the operator that the product is unqualified.

[0036] The first pressing plate 130 , the second pressing plate 140 and the third pressing plate 150 are respectively provided with first circular holes 131 , second circular holes 141 and third circular holes 151 at corresponding positions and numbers according to the columns of the products.

[0037] The sensing distance between the proximity switch 152 and the movable member 142 can be adjusted according to the specifications of the product and the size of the proximity switch 152 .

[0038] Wherein, the driving member 170 is a cylinder.

[0039] The working process of the present invention is as follows: after placing the product on the fixture 110, press the first start button 103 and the second start button 104 with both hands respectively, so that the driving member 170 controls the driving pressing module 20 to press down the column of the product. At this time, one end of the movable member 142 will move toward one end of the proximity switch 152 after contacting the product column, and reach the sensing distance of the proximity switch 152, so that it can be judged that the column detection of the product is qualified; if the column of the product is a broken column, the movable member 142 cannot contact the column under the action of the driving member 170, and the movable member 142 will not move to the sensing distance of the proximity switch 152, and then the proximity switch 152 cannot sense the movable member 142, and it will be judged that the column corresponding to this movable member 142 is a broken column.

[0040] The beneficial effect of the present invention is that, through a broken column detection mechanism, a proximity switch 152 and a movable part 142 are provided in the second circular hole 141 of the second pressing plate 140 in the pressing module 20, so that when the movable part 142 presses down the column of the product under the action of the driving part 170, it can be moved to change the distance from the proximity switch 152, and whether the column of the product is qualified can be judged by judging the distance between the movable part 142 and the proximity switch 152. This mechanism can easily identify bad columns. When the product is not placed in place on the jig 110, the pressing module 20 will only crush the product but will not damage the jig 110, thereby reducing the loss of the jig 110, and there will be no problems of poor contact and jamming during the detection process, so that the probability of misjudgment is low, and the jig 110 can be maintenance-free.

[0041] It should be pointed out that the present invention is not limited to the above-mentioned implementation modes, and any simple modifications, equivalent changes and modifications made to the above-mentioned embodiments by any technician familiar with the profession based on the technical solution of the present invention fall within the protection scope of the present invention.

Claims

1. A broken column detection mechanism, characterized in that: include: A fixing platform, the fixing platform is used to connect and support the entire mechanism, and a control button is provided on the fixing platform, and the control button is used to control the actuation of the mechanism; A jig, which is fixed on a fixed table and used to place and support the product. A fixed block is provided at one end of the jig, and the fixed block is used to position the product. The jig is shaped like the product, and a jig shaped like the product can be designed according to the specifications of the product; A guide post, which can move in the guide sleeve under the control of the driving member, and is used to guide the pressing die set when it moves; The pressing die set comprises a first pressing plate, a second pressing plate and a third pressing plate; wherein, A first pressing plate, the first pressing plate is fixed on the guide sleeve, the first pressing plate is provided with a first circular hole, a movable part is movably provided in the first circular hole, the movable part can press down the column of the product under the action of the driving part, and then move toward one end of the proximity switch in the first circular hole, so that the movable part reaches the sensing distance of the proximity switch, that is, the column of the product is qualified for detection, if the column of the product is a broken column, then when the movable part presses down the column of the product under the action of the driving part, the movable part will not move toward one end of the proximity switch in the first circular hole, that is, it will not reach the sensing distance of the proximity switch, and then the proximity switch cannot sense the movable part, and it will be determined that the column corresponding to the movable part is a broken column; a second pressing plate, the second pressing plate being fixed to the first pressing plate, the second pressing plate being provided with a second circular hole, one end of the second circular hole being movably provided with one end of a movable member penetrating through the first circular hole, and the other end being fixed with one end of a proximity switch penetrating through the third circular hole, and one end of the movable member in the second circular hole being able to move toward one end of the proximity switch under the action of the driving member; A third pressing plate, the third pressing plate is fixed on the second pressing plate, the third pressing plate is provided with a third circular hole, a proximity switch is fixed in the third circular hole, the proximity switch is used to sense the distance with the movable part, and then detect whether the column of the product is qualified; A fixing frame, the fixing frame is fixed on the first pressing plate, and a display screen is provided on the fixing frame, and the display screen is used to present the detection result of the product column; A driving member is fixed on the support frame, and a movable rod is provided at one end of the driving member. The movable rod can pass through the circular hole of the support frame and be fixedly connected to the fixed frame. The movable rod is used to push the fixed frame under the control and drive of the driving member, so that the pressing module fixedly connected to the fixed frame moves together, and at the same time, the guide column can move in the guide sleeve.

2. A broken column detection mechanism according to claim 1, characterized in that: The control buttons provided on the fixed platform include: power switch, first start button, second start button, press timer, emergency stop button, OK indication, NG indication. When the detection mechanism is in operation, the power switch must be pressed first to start the equipment; when the product is placed in place on the fixture for detection, the first start button and the second start button must be pressed with both hands at the same time. The double button design can ensure the safety of the operator; the press timer can display the time for pressing the pressing module, which is convenient for the operator to observe; If any accident occurs during the inspection process, the emergency stop button can be pressed at any time to stop the equipment; after the inspection is completed, if the product column inspection is qualified, the OK indicator light will light up, indicating to the operator that the product inspection is qualified; if the product column inspection is unqualified, the NG indicator light will light up, indicating to the operator that the product inspection is unqualified.

3. A broken column detection mechanism according to claim 1, characterized in that: The first pressing plate, the second pressing plate and the third pressing plate are respectively provided with first circular holes, second circular holes and third circular holes at corresponding positions and in corresponding quantities according to the columns of the products.

4. A broken column detection mechanism according to claim 1, characterized in that: The sensing distance between the proximity switch and the movable part can be actually adjusted according to the specifications of the product and the size of the proximity switch.

5. A broken column detection mechanism according to claim 1, characterized in that: The driving member is a cylinder.

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