CN215338008U - Automatic filter device for electric detonator - Google Patents
Automatic filter device for electric detonator Download PDFInfo
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- CN215338008U CN215338008U CN202120334172.8U CN202120334172U CN215338008U CN 215338008 U CN215338008 U CN 215338008U CN 202120334172 U CN202120334172 U CN 202120334172U CN 215338008 U CN215338008 U CN 215338008U
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Abstract
The utility model relates to an automatic electric detonator filtering device which comprises an air suction opening, a workbench, a collecting box, a robot, an explosion-proof device and a conductive electrode, wherein the explosion-proof device is positioned on the workbench, the robot grabs an electric detonator to be tested in the collecting box and enters a cavity of the explosion-proof device, a measuring head in front of the conductive electrode extends into the explosion-proof device to be contacted with the electric detonator to be tested for testing, and the electric detonator qualified for testing is taken out by the robot and is placed in the collecting box. The device can automatically finish the actions of grabbing, transferring, placing and taking out the product orderly and stably, and has the advantages of adjustable clamping force, adjustable running speed and adjustable running track.
Description
Technical Field
The utility model belongs to the field of safety protection of initiating explosive devices, and particularly relates to an automatic filter device for an electric detonator.
Background
Before the electric detonator leaves a factory, the sensitivity of the electric detonator needs to be detected, namely, the electric detonator is filtered, and the electric detonator sensitive to low voltage is rejected.
In the prior art, the electric detonator filtering is manually operated, and the specific method comprises the following steps: when a product is filtered, in an explosion-proof device with an explosion-proof function, the electric detonator to be tested is manually and sequentially placed into the explosion-proof device, and after the explosion-proof device is closed, a control circuit switch is opened to apply specified voltage or current to the electric detonator to be tested. And if the sensitivity of the electric detonator to be tested exceeds the set safe voltage threshold or safe current threshold, the electric detonator to be tested explodes. And after the filtration test is finished, the unexploded electric detonator is left as a qualified product.
However, when an operator takes out the unexploded electric detonator in the explosion-proof device, the unexploded electric detonator in the explosion-proof device may explode due to static electricity and other factors, so that a safety accident may occur, and personal safety of the operator may be endangered.
Disclosure of Invention
Aiming at the problem that safety accidents are easily caused by manual operation in the existing electric detonator filtering test process, the utility model designs the automatic electric detonator filtering device, which can automatically realize electric detonator detection without the need of an operator to contact the electric detonator, and furthest ensures the safety of the operator.
The technical scheme of the utility model is as follows: an automatic filter device for electric detonators comprises an air suction opening and a workbench; it is characterized by also comprising a collecting box, a robot, an explosion-proof device and a conductive electrode; the explosion-proof device is positioned on the workbench, and a cavity chamber is arranged inside the explosion-proof device; the top is provided with a through hole as an inlet and an outlet of the conductive electrode, and the bottom is provided with a through hole as an air exhaust connector; lead plates are laid on the inner wall, the top and the bottom of the explosion-proof device, so that the explosion-proof device is prevented from being damaged by shock waves during explosion; a sliding door is arranged on the side wall and is controlled by a cylinder; the conducting electrode comprises an air cylinder, a positioning sleeve, a vertical rod, a height limiting ring, a height sensor, a measuring head, a sleeve and a connecting rod; the two ends of the positioning sleeve are opened, one end of the positioning sleeve is coaxially fixed at the top of the explosion-proof device, a vertical rod in the conductive electrode is positioned in the positioning sleeve and extends into a cavity of the explosion-proof device, one end of the vertical rod is connected with the cylinder, the outer wall of the other end of the vertical rod is provided with an external thread, and the end surface of the end is provided with an annular groove; one end of the sleeve is open and provided with internal threads, the other end of the sleeve is provided with a through hole along the axis, and the open end of the sleeve is fixedly connected with the external threads at the end part of the upright rod; the height limiting ring is in interference fit with the annular groove at the end part of the upright stanchion, and the inner surface of the height limiting ring is a thread surface; the connecting rod is positioned in the sleeve, one end of the connecting rod is provided with external threads and is in threaded connection with the height-limiting ring, and the other end of the connecting rod extends out of the through hole of the sleeve and is in threaded connection with the measuring head; the height sensor is arranged in the sleeve, is fixedly connected with the sleeve and is used for determining the position of the connecting rod; the axial position of the connecting rod is adjusted through the relative rotation of the connecting rod and the height limiting ring, and the axial position of the measuring head is adjusted through the relative rotation of the measuring head and the connecting rod; a plurality of electric detonators to be tested are placed on the collecting box;
the robot is used for placing the electric detonator to be tested into the explosion-proof device or taking out the qualified electric detonator after testing.
The further technical scheme of the utility model is as follows: the collecting box comprises a base plate, a box body, a limiting block and a locking block, wherein the limiting block is positioned at the edge of the base plate and fixedly connected with the base plate; the box body is provided with a plurality of blind holes for placing electric detonators to be tested, and the box body is locked through the locking block after being limited through the limiting block.
The further technical scheme of the utility model is as follows: the locking block is in a spanner shape, the middle part of the locking block is hinged with the backing plate, the other end of the locking block is used as a handle, and a spring is arranged between the locking block and the backing plate; when the box body and the limiting block are mutually propped for limiting, the box body is clamped by rotating the locking block, and the locking block is fixedly connected with the backing plate through the limiting pin.
The further technical scheme of the utility model is as follows: the backing plate is made of iron materials.
The further technical scheme of the utility model is as follows: the box body is made of aluminum materials.
The further technical scheme of the utility model is as follows: the robot and the collection box are located on the workbench, the robot is located at a sliding door of the explosion-proof device, the collection box is located below the robot, and the robot can grab the electric detonator to be tested.
The further technical scheme of the utility model is as follows: the conducting electrode is two, and the clearance between two conducting electrodes is 15cm, prevents that the robot from touching by mistake when explosion-proof equipment operates.
The further technical scheme of the utility model is as follows: the air suction opening is positioned below the explosion-proof device, and harmful gas generated in explosion is recovered through the air blower.
The further technical scheme of the utility model is as follows: the robot adopts a SCARA industrial robot.
Effects of the utility model
The utility model has the technical effects that: the device can automatically finish the actions of grabbing, transferring, placing and taking out the product orderly and stably, and has the advantages of adjustable clamping force, adjustable running speed and adjustable running track. Compared with the prior art, the method has the following specific advantages:
(1) the SCARA industrial robot is adopted for operation, so that the man-machine isolation is completely realized, the operation safety is greatly improved, and the labor intensity of operators is reduced.
(2) The cylinder drives the conducting electrode to move axially, and the design of the positioning sleeve enables the conducting electrode to move only in the axis direction, so that the movement stability of the conducting electrode is ensured.
(3) The height sensor is arranged in the conductive electrode, so that the height between the measuring head and the electric detonator can be determined through the height sensor, and the visual inspection by personnel is not needed.
(4) The combined design of the positioning sleeve, the upright rod, the height limiting ring and the connecting rod enables the measuring head to be capable of stretching according to the height of the specific electric detonator to be tested, and debugging and testing are facilitated.
(5) The two conductive electrodes are arranged, so that the robot can take out the electric detonator which is qualified after being tested from the other electrode after putting the electric detonator to be tested into the position of the electrode without a product, the condition that a to-be-tested electric detonator is arranged in the explosion-proof device during the filtration test is ensured, and the test efficiency is improved.
(6) The collecting box is located the workstation, and collecting box's design has changed the inconvenience that current manual operation when far away snatchs the electric detonator that awaits measuring, once can put into the box body with the electric detonator that frequently awaits measuring.
(7) The device is manufactured, put into production and used, has good effect, can reach 2200 hairs in the highest shift yield, and can completely meet the production requirement.
Drawings
FIG. 1 is a schematic view of the overall structure, wherein (a) is a front view and (b) is a side view
FIG. 2 is a schematic view of a control cabinet
FIG. 3 is a schematic view of a structure of a conductive electrode, in which (a) is a schematic view of the whole structure and (b) is a cross-sectional view
FIG. 4 is a schematic view of the structure of the explosion-proof device, wherein (a) is a front view and (b) is a side view
FIG. 5 is a schematic view of the structure of the working table, in which (a) is a side view and (b) is a front view
FIG. 6 is a schematic view of a robot structure
FIG. 7 is a schematic view of the structure of the collecting box, in which (a) is a side view and (b) is a top view
FIG. 8 is a partial enlarged view of a conductive electrode
Fig. 9 is a schematic view of a pneumatic control structure.
Description of reference numerals: 1-an air suction opening; 2, a workbench; 3-a collection box; 4-a robot; 5, an explosion-proof device; 6-conductive electrode; 7-control button; 8-total power supply; 9-a touch screen; 10-collection box table; 11-upper and lower axes; 12-small arm; 13-a rotating shaft; 14-a paw; 15-first joint; 16-the second joint; 17-big arm; 18-a support; 3-1-backing plate; 3-2-box body; 3-3-a limiting block; 3-4-a locking block; 3-5-spring; 3-6-product;
5-1-a support frame; 5-2-front door; 5-3-front door guide rail; 5-4-a first cylinder; 5-5-rear cover; 5-6-base; 5-7-box body;
6-1-a second cylinder; 6-2-positioning sleeve; 6-3-vertical rod; 6-4-height limit ring; 6-5-height sensor; 6-6-measuring head; 6-7-sleeve; 6-8-connecting rod;
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Referring to fig. 1 to 9, the system apparatus includes: conducting electrode, explosion-proof equipment, operation panel, industrial robot, collection device, suction opening and switch board.
In the design scheme, the SCARA industrial robot is adopted to replace a human hand, the main purpose of the SCARA industrial robot is to realize the transmission of test products, the products to be tested are taken out of the collecting box and sent to the explosion-proof device for testing, the qualified products are taken back from the explosion-proof device and sent back to the original position of the collecting box, and the test products are all completed by the robot, so that the man-machine isolation operation in the electric detonator filtering process is realized. The SCARA industrial robot is a transfer robot with high reliability, strong flexibility and high speed. Is also an industrial 4.0 main device, and plays a great role in the future equipment manufacturing.
Meanwhile, a sensor trigger device is arranged in the structure. If unqualified products are exploded in the electric detonator filtering process, shock waves and fragments generated by explosion touch a trigger piece arranged at an explosion vent of an explosion-proof device, the trigger piece acts to transmit signals to a corresponding sensor, the automatic filtering device stops acting, and at the moment, an operator can safely enter an operation room to clean the explosion-proof device to prepare for filtering the next electric detonator.
The working principle of the device is as follows:
1, working process:
when the system device filters products, the working process is as follows:
1) the front door of the explosion-proof device is opened.
2) The industrial robot gripper grabs the first product to be filtered (product a) from the collection box.
3) The industrial robot paw sends the product with the filter into the explosion-proof device, the product is sent to the left side to be measured, the core pole of the product is aligned with the conducting rod, and the bottom of the shell is aligned with the conducting strip. (the guide rod of the electrode is connected with the core of the product to be tested, and the conducting strip of the electrode is connected with the shell, so that the product to be tested has test preparation).
4) And the industrial robot paw grabs the tested product from the right test position and moves out of the explosion-proof device.
5) The explosion-proof device door is closed, the conductive electrode is pressed downwards, the product begins to be filtered, and meanwhile, the industrial robot paw sends the product to the empty position (A product position) of the collecting box. And switching on a discharge switch to discharge the product, and rejecting the product which is ignited under specified voltage.
When the filtering product is unqualified, the machine gives out sound and light alarm and stops the machine at the same time. And manually opening the back door, cleaning residues and replacing the electrode plates.
When the filtering product is qualified, the front door is automatically opened.
6) The industrial robot gripper grabs the second product to be filtered (product B) from the collection box.
7) The industrial robot paw sends the product with the filter into the explosion-proof device, the product is sent to the right side to be measured, the core pole of the product is aligned with the conducting rod, and the bottom of the shell is aligned with the conducting strip.
8) And the industrial robot paw grabs the tested product from the left test position and moves out of the explosion-proof device.
9) The explosion-proof device door is closed, the conductive electrode is pressed downwards, the product begins to be filtered, and meanwhile, the industrial robot paw sends the product to the empty position of the collecting box (the product position B).
10) The industrial robot gripper grabs a third product to be filtered (product C) from the collection box.
11) The above operation is repeated.
12) After the whole disc of products are completely tested, if unqualified products exist, the position is empty, and statistics is facilitated.
The conductive electrode is responsible for contacting the product and detecting whether the position of the product is correct, a specified voltage is applied between the two electrodes of the product after the position of the product is correct and the base in the explosion-proof device, and if the product is a sensitive product, the product is exploded; if the product is not exploded, the product is qualified.
The explosion-proof device is a protection device used for product testing, fragments and shock waves generated by explosion of products in the explosion-proof device cannot damage the outer surface of the explosion-proof device, and products outside the explosion-proof device cannot be caused to sympathetic explosion.
The explosion-proof device, the collection box and the like are placed in the operation table during the main function.
The industrial robot is mainly responsible for grabbing and placing products on the base in the collecting box and the explosion-proof device, and suitable conditions are provided for filtering products.
The collecting box mainly functions to deliver and place products.
The main function of the air draft cylinder opening is to connect the original air draft system and to draw out the poisonous and harmful gas generated after explosion from the workshop.
The control cabinet has the main function of performing coordination control on actions among the conducting electrode, the explosion-proof device and the industrial robot.
The various components of the device are described in further detail below with reference to the figures.
Referring to fig. 3 and 8, the conductive electrode is composed of a cylinder, a positioning sleeve, an upright rod, a height limiting ring, a high-precision height sensor and a measuring head, and the positioning sleeve, the upright rod, the height limiting ring and the measuring head are coaxially mounted. The cylinder and the positioning sleeve are both connected to the explosion-proof device through screws, and joints are separated through bakelite, so that insulation between the conducting electrode and the explosion-proof device is guaranteed. Before a certain type of electric detonator is detected for the first time, the cylinder is utilized to drive the upright rod, the height limiting ring, the high-precision height sensor and the measuring head to integrally move downwards, so that the measuring head is contacted with the electric detonator, and the standard position of the type of electric detonator is determined; during subsequent detection, when a detonator product to be detected is placed, the measuring head is in contact with the product, the measuring head displaces relative to the upright rod, the high-precision height sensor is driven to displace relative to the height limiting ring, if the relative displacement value is within a specified range, the high-precision height sensor sends a signal of correct product placement position to the control cabinet, and the control cabinet conducts discharge (the sensitive product explodes and the normal product does not explode) to the two ends of the product according to the specified signal, so that the sensitive product is removed. And on the contrary, if the relative displacement value is not in the specified range (the product is toppled or no product exists), the high-precision height sensor sends a signal of 'incorrect placing position of the product' to the control cabinet, the control cabinet does not discharge electricity to the two ends of the product according to the given signal, and meanwhile, the control equipment is automatically stopped to send an alarm sound to prompt an operator to remove the fault that the position of the product is incorrect.
The method comprises the following steps that in the process of establishing a standard position, the standard position is divided into a coarse adjustment part and a fine adjustment part, wherein the coarse adjustment part enables a measuring head to stretch and retract by rotating a connecting rod; when the electric detonator to be detected is close to the electric detonator to be detected, the thread part connected with the measuring head is finely adjusted through the connecting rod, so that the measuring head is contacted with the electric detonator to be detected.
Referring to fig. 4, the explosion-proof device is mainly composed of a support frame, a front door guide rail, a cylinder, a rear cover, a base, a box body and the like. The support frame mainly plays a role in fixing and supporting the front door guide rail of the explosion-proof device, and prevents the position of the front door guide rail from changing; the front door product is in a closed state when being powered up and filtered, the robot is in an open state in the transmission process in the collecting box and the explosion-proof device, the switching action between the closed state and the open state is driven by the air cylinder, and the control cabinet controls the operation; the front door guide rail and the cylinder play an auxiliary role in closing and opening the front door; the closing and opening states of the rear cover are manually completed, the closing state can prevent fragments and shock waves generated by explosion in the explosion-proof device from damaging, and the device is automatically stopped in the opening state, so that explosion residues in the explosion-proof device can be manually cleaned or faults in the explosion-proof device can be manually eliminated; the base mainly plays a supporting role in the explosion-proof device box body; the box body is mainly used for preventing fragments and shock waves generated by explosion in the explosion-proof device from damaging people or objects outside the explosion-proof device.
Referring to fig. 5, the operation table is composed of an air pumping box, a collection box table, a workbench and the like. The air suction box is mainly butted with an air suction system in the workshop through an air suction opening, and toxic and harmful waste gas generated by product explosion is sucked out of the workshop, so that the harm of the toxic and harmful gas to operators is reduced; the collecting box platform mainly has a positioning function on the collecting box, so that the correct position of the collecting box with the products is ensured, and the products can be accurately taken and stored by a robot; the workbench mainly plays a supporting role in components such as an explosion-proof device, a collection box platform and a robot, and the components can normally and accurately run.
Referring to fig. 6, the industrial robot mainly comprises a paw, a rotating shaft, a small arm, an upper shaft, a lower shaft, a joint 1, a joint 2, a large arm, a support and the like, and has the main functions of grabbing and storing products. A driving part: a servo system with high precision, high speed and high reliability is selected, and the brand is Fuji. Joint speed reducer: a harmonic speed reducer special for a robot is selected, and the brand is Hammernak.
Referring to fig. 7, the collecting device is mainly composed of a collecting box base plate, a collecting box limiting block and a collecting box locking block, wherein the collecting box base plate, the collecting box limiting block and the collecting box locking block play a role in positioning the collecting box, and the products can be correctly taken and stored.
Referring to fig. 2, the control cabinet is a circuit part of the automatic filtering device, and the control part is composed of a touch screen, a main power supply and a control button, wherein the touch screen can set filtering parameters. The control button can control the filtering device.
In conclusion, the utility model can effectively reduce the frequency of the contact of the operator with the initiating explosive device, thereby reducing the possibility of safety accidents.
Claims (9)
1. An automatic electric detonator filtering device comprises an air suction opening (1) and a workbench (2); the device is characterized by also comprising a collecting box (3), a robot (4), an explosion-proof device (5) and a conductive electrode (6); the explosion-proof device (5) is positioned on the workbench (2), and a cavity chamber is arranged inside the explosion-proof device; the top is provided with a through hole as an inlet and an outlet of the conductive electrode (6), and the bottom is provided with a through hole as an air exhaust connector; lead plates are laid on the inner wall, the top and the bottom of the explosion-proof device, so that the explosion-proof device (5) is prevented from being damaged by shock waves during explosion; a sliding door is arranged on the side wall and is controlled by a cylinder; the conductive electrode (6) comprises a cylinder (6-1), a positioning sleeve (6-2), an upright rod (6-3), a height limiting ring (6-4), a height sensor (6-5), a measuring head (6-6), a sleeve (6-7) and a connecting rod (6-8); two ends of the positioning sleeve (6-2) are opened, one end of the positioning sleeve is coaxially fixed at the top of the explosion-proof device (5), an upright rod (6-3) in the conductive electrode (6) is positioned in the positioning sleeve (6-2) and extends into a cavity of the explosion-proof device (5), one end of the upright rod is connected with the cylinder (6-1), the outer wall of the other end of the upright rod is provided with an external thread, and the end surface of the end is provided with an annular groove; one end of the sleeve (6-7) is opened and is provided with an internal thread, the other end of the sleeve is provided with a through hole along the axis, and the opening end of the sleeve (6-7) is fixedly connected with the external thread at the end part of the upright rod (6-3); the height limiting ring (6-4) is in interference fit with an annular groove at the end part of the upright rod (6-3), and the inner surface of the height limiting ring (6-4) is a threaded surface; the connecting rod (6-8) is positioned in the sleeve (6-7), one end of the connecting rod is provided with an external thread and is in threaded connection with the height-limiting ring (6-4), and the other end of the connecting rod extends out of the through hole of the sleeve (6-7) and is in threaded connection with the measuring head (6-6); the height sensor (6-5) is arranged in the sleeve (6-7) and is fixedly connected with the sleeve (6-7) and used for determining the position of the connecting rod (6-8); the axial position of the connecting rod (6-8) is adjusted through the relative rotation of the connecting rod (6-8) and the height limiting ring (6-4), and the axial position of the measuring head (6-6) is adjusted through the relative rotation of the measuring head (6-6) and the connecting rod (6-8); a plurality of electric detonators to be tested are placed on the collecting box (3);
the robot (4) is used for placing the electric detonator to be tested into the explosion-proof device (5) or taking out the qualified electric detonator after testing.
2. The automatic filtering device of the electric detonator according to claim 1, wherein the collecting box (3) comprises a backing plate (3-1), a box body (3-2), a limiting block (3-3) and a locking block (3-4), and the limiting block (3-3) is positioned at the edge of the backing plate (3-1) and fixedly connected with the backing plate (3-1); the box body (3-2) is provided with a plurality of blind holes for placing the detonators to be tested, and the box body (3-2) is limited by the limiting blocks (3-3) and then locked by the locking blocks (3-4).
3. The automatic electric detonator filtering device according to claim 2, wherein the locking block (3-4) is wrench-shaped, the middle part of the locking block is hinged with the backing plate (3-1), the other end of the locking block is used as a handle, and a spring (3-5) is arranged between the locking block (3-4) and the backing plate (3-1); when the box body (3-2) and the limiting block (3-3) are mutually propped for limiting, the box body (3-2) is clamped by rotating the locking block (3-4), and the locking block (3-4) is fixedly connected with the backing plate (3-1) through the limiting pin.
4. An automatic filter device for electric detonators according to claim 2 wherein the backing plate (3-1) is made of an iron material.
5. An automatic filtration device for electric detonators according to claim 2 wherein the casing (3-2) is made of aluminium.
6. The automatic electric detonator filtering device according to claim 1, wherein the robot (4) and the collecting box (3) are positioned on the workbench (2), the robot (4) is positioned at a sliding door of the explosion-proof device (5), and the collecting box (3) is positioned below the robot (4) so that the robot (4) can grab the electric detonator to be detected.
7. The automatic electric detonator filtering device according to claim 1, wherein the number of the conducting electrodes (6) is two, and the gap between the two conducting electrodes (6) is 15cm, so that the robot (4) is prevented from being touched by mistake when the explosion-proof device (5) operates.
8. An automatic filtration device for electric detonators according to claim 1 wherein the suction opening (1) is located below the explosion protection device (5) and the harmful gases generated in the explosion are recovered by a blower.
9. An automatic electric detonator filtration device as claimed in claim 1, characterized in that the robot (4) is a SCARA industrial robot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120334172.8U CN215338008U (en) | 2021-02-05 | 2021-02-05 | Automatic filter device for electric detonator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120334172.8U CN215338008U (en) | 2021-02-05 | 2021-02-05 | Automatic filter device for electric detonator |
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| CN215338008U true CN215338008U (en) | 2021-12-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115307496A (en) * | 2022-08-11 | 2022-11-08 | 西安北方庆华机电有限公司 | Automatic product withdrawing device for fire cap multi-shot combined die and using method |
-
2021
- 2021-02-05 CN CN202120334172.8U patent/CN215338008U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115307496A (en) * | 2022-08-11 | 2022-11-08 | 西安北方庆华机电有限公司 | Automatic product withdrawing device for fire cap multi-shot combined die and using method |
| CN115307496B (en) * | 2022-08-11 | 2023-06-02 | 西安北方庆华机电有限公司 | Automatic product withdrawal device for multi-shot combined die of fire cap and use method |
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