CN216500811U - High-precision force measurement sorting equipment - Google Patents

Abstract

The utility model discloses high-precision force measurement sorting equipment, wherein a feeding assembly comprises a feeding tray and a feeding manipulator, a plurality of mounting holes are arranged in the feeding tray in order, and a first contact element with a jack is vertically inserted into the mounting holes; the force measuring assembly comprises a gravity block and an induction switch, a second contact piece with a contact pin is fixed above the gravity block, and a force measuring rod matched with the induction switch to work is arranged on the side surface of the gravity block; the feeding manipulator is used for clamping the first contact piece, moving the first contact piece to the position above the gravity block and contacting with the second contact piece; the feeding manipulator can drive the first contact element to move upwards, and the first contact element drives the gravity block to move upwards or the first contact element is separated from the second contact element through the second contact element. According to the utility model, the manipulator is used for automatically clamping the first contact element to detect the insertion force, and the classification and collection of products are automatically completed according to the detected insertion force condition, so that the classification of the products is rapidly and accurately completed.

Description

High-precision force measurement sorting equipment

Technical Field

The utility model relates to the technical field of electric connectors, in particular to high-precision force measuring and sorting equipment.

Background

The electrical connector consists of a fixed end electrical connector, i.e. a female contact (socket for short), and a free end electrical connector, i.e. a male contact (plug for short). The socket is fixed on the electric component through a square (round) plate (a welding mode is adopted individually), the plug is generally connected with a cable, and the connection between the plug and the socket is realized through a connecting nut. The electric connector consists of three basic units, namely a shell, an insulator and a contact body. The contact body includes a male contact member and a female contact member, which are sometimes called a pin jack, and the connection modes include a welding type, a press-fit type, a wire-wound type, and the like, and are used for realizing circuit connection. The pin jack is a critical component of the electrical connector and directly affects the reliability of the electrical connector. The pin jacks are mostly made of elastic copper alloy materials with good conductivity, and the surfaces of the pin jacks are plated with silver and gold to achieve the purposes of small contact resistance and corrosion resistance. The key characteristics of effective contact, contact resistance, insertion and extraction abrasion and the like between contact elements are determined by the insertion force of the jack, the force measurement after the jack is closed is an essential process for judging whether the jack is qualified, the traditional method for measuring the force of the jack adopts a mode of manually hanging large and small weights to judge whether the insertion force of the jack is qualified, and the method has the problems of low efficiency, high labor intensity, large quality consistency caused by artificial interference factors, measurement error in detection and the like.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides high-precision force measuring and sorting equipment which can detect the insertion and extraction force of a terminal completing the closing, accurately sort out qualified products, has high working efficiency and ensures the product quality.

Therefore, the technical scheme of the utility model is as follows: a high-precision force measuring and sorting device comprises a workbench, a feeding assembly and a force measuring assembly, wherein the feeding assembly and the force measuring assembly are arranged on the workbench; the feeding assembly comprises a feeding tray, a feeding track and a feeding manipulator, the feeding tray is arranged on the feeding track, is driven by a first driving mechanism and can move along the feeding track, a plurality of mounting holes are arranged in the feeding tray in order, and a first contact piece with an insertion hole is vertically inserted into the mounting holes; the force measuring assembly comprises a force measuring base, a gravity block and an induction switch, the gravity block is placed on the force measuring base, a second contact piece with a contact pin is fixed above the gravity block, and a force measuring rod matched with the induction switch to work is arranged on the side face of the gravity block; a clamping part is arranged below the feeding manipulator and used for clamping the first contact piece, moving the first contact piece above the gravity block and contacting with the second contact piece; the material loading manipulator can drive the first contact piece to move upwards, and two states exist in the upward moving process: the first contact piece drives the gravity block to move upwards through the second contact piece, and the first contact piece is separated from the second contact piece.

The first contact that waits to detect places on the charging tray in proper order, the second contact of standard is fixed on the gravity piece, material loading manipulator passes through the clamping part clamp and gets one piece of first contact, move to the second contact directly over after, move down, insert first contact on the second contact, then material loading manipulator drives first contact and shifts up, because the plug power between first contact and the second contact, so first contact has the trend that drives the second contact and shift up, the weight of suitable gram weight can be selected to the gravity piece, if the plug power of first contact is greater than the weight of gravity piece, then first contact can drive second contact and gravity piece, if the plug power of first contact is less than the weight of gravity piece, then first contact separates with the second contact. Through the weight of different grammes per square metre, can detect out fast whether qualified in the plug power of first contact, carry out accurate sorting operation to the jack.

Preferably, the gravity block is divided into a first gravity block and a second gravity block, the second gravity block is of a hollow structure, open slots are formed in two sides of the second gravity block, the first gravity block is arranged inside the second gravity block, the top of the first gravity block penetrates through the second gravity block, the second contact element is fixed to the top of the first gravity block, force measuring rods are fixed to two sides of the first gravity block and penetrate through the open slots in two sides of the second gravity block, the first gravity block can move up and down relative to the second gravity block, or the second gravity block is driven to move up and down synchronously through the force measuring rods.

In order to simplify the force measuring process, two gravity blocks with proper specifications are selected and stacked, if the insertion and extraction force of the first contact element is smaller than the weight of the first gravity block, the first contact element is separated from the second contact element, and the insertion and extraction force is too small; if the insertion and extraction force of the first contact element is greater than the weight of the first gravity block and less than the total weight of the first gravity block and the second gravity block, the first contact element can drive the second contact element and the first gravity block, the force measuring rod cannot drive the second gravity block, and the insertion and extraction force is qualified; if the insertion and extraction force of the first contact element is greater than the total weight of the first gravity block and the second gravity block, the first contact element can drive the second contact element, the first gravity block and the second gravity block, and the insertion and extraction force is too large. The weights with proper specifications are selected, the state that the insertion and extraction force of the jack is qualified, exceeds the upper limit and the lower limit can be detected in one step, and the sorting process is quick and accurate.

Preferably, inductive switch includes high-order inductive switch and the low level inductive switch who arranges the setting from top to bottom, and first contact contacts with the second contact, and there are the three state at the material loading manipulator drive first contact shifts up the in-process: the first contact piece is separated from the second contact piece, and the force measuring rod is positioned below the low-position inductive switch; the first contact piece only drives the first gravity block to move upwards through the second contact piece, and the force measuring rod is positioned between the high-position induction switch and the low-position induction switch; the first contact piece drives the first gravity block and the second gravity block to move upwards through the second contact piece, and the force measuring rod is located above the high-position induction switch.

Preferably, still include categorised funnel on the workstation, categorised funnel divide into qualified funnel, super upper limit funnel, super lower limit funnel, and material loading manipulator puts into qualified funnel, super upper limit funnel or super lower limit funnel respectively with first contact. The feeding manipulator places the first contact members into the corresponding funnels according to the test structures, separates the first contact members in different states, and facilitates subsequent processing.

Preferably, first actuating mechanism includes first motor and slip table, and on the feeding track was arranged in to the slip table, first motor passed through lead screw or belt drive slip table, made it move along the feeding track, and the material loading tray is installed on the slip table. A rodless electric actuator can be selected for use by the first driving mechanism, the feeding tray can move along the feeding track, and after one row of first contact elements are detected, the feeding tray moves forwards for one row of positions, so that the feeding manipulator can continue to clamp the next row of first contact elements.

Preferably, the upper tray is provided with 100 mounting holes arranged in 10 × 10 rows, and one end of the first contact piece with the insertion hole is vertically inserted into the mounting holes. The material loading mode adopts the module material loading, can join in marriage the polylith and go up the charging tray and change the use, and every charging tray can load 100 first contacts that await measuring, and the plug of first contact is down, when getting by the material loading manipulator clamp like this, can easily link to each other jack and contact pin for separation efficiency.

Preferably, the feeding manipulator is mounted on a second driving mechanism which is vertically arranged, the feeding manipulator can move in the vertical direction, the second driving mechanism is mounted on a third driving mechanism which is horizontally arranged, and the feeding manipulator can move in the horizontal direction; the clamping part comprises a clamping cylinder and two openable clamping modules. No pole type electric actuator can all be chooseed for use to second actuating mechanism, third actuating mechanism, and material loading manipulator is driven by third actuating mechanism, can round trip movement between last charging tray, dynamometry subassembly and categorised funnel, and material loading manipulator is driven by second actuating mechanism, and the first contact of centre gripping portion can be pressed from both sides and plug from top to bottom.

Compared with the prior art, the utility model has the beneficial effects that: automatically clamping the first contact element by using a manipulator to detect the insertion and extraction force, and automatically completing the classified collection of products according to the detected insertion and extraction force condition; the upper limit and the lower limit of the insertion and extraction force are divided by different weights of the sleeved gravity blocks, the insertion and extraction force condition is accurately distinguished by the cooperation of the inductive switch and the force measuring rod, and product classification is rapidly completed.

Drawings

The following detailed description is made with reference to the accompanying drawings and embodiments of the present invention

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 and FIG. 3 are schematic structural views of the feeding assembly of the present invention;

FIG. 4 and FIG. 5 are schematic structural views of the force measuring assembly of the present invention;

fig. 6 is a schematic structural diagram of the feeding tray of the utility model.

Labeled as: the automatic feeding device comprises a workbench 1, a feeding assembly 2, a feeding tray 21, a feeding track 22, a first driving mechanism 23, a mounting hole 24, a classifying hopper 3, a qualified hopper 31, an upper limit exceeding hopper 32, a lower limit exceeding hopper 33, a force measuring assembly 4, a force measuring base 41, a circular mounting groove 42, a long slotted hole 43, a first gravity block 44, a second gravity block 45, an open groove 46, a force measuring rod 47, a high-position induction switch 48, a low-position induction switch 49, a feeding manipulator 5, a second driving mechanism 51, a third driving mechanism 52, a clamping cylinder 53, a clamping module 54, a first contact element 6 and a second contact element 7.

Detailed Description

In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate that the orientation and positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, a definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the utility model, "a number" or "a number" means two or more unless explicitly specified otherwise.

See the drawings. For convenience of description, the azimuth information of the apparatus is described first according to the X-axis Y-axis Z-axis in fig. 1.

The dynamometry sorting facilities described in this embodiment, including workstation 1, material loading subassembly 2, dynamometry subassembly 4, material loading subassembly and dynamometry subassembly are arranged in on the workstation, still are equipped with categorised funnel 3 on the workstation, categorised funnel divide into qualified funnel 31, surpass upper limit funnel 32, surpass lower limit funnel 33.

The material loading subassembly 2 includes material loading tray 21, feeding track 22 and material loading manipulator 5, and material loading tray 21 is arranged in on the feeding track 22, and the feeding track sets up along Y axle direction level, and material loading tray 21 is driven by a actuating mechanism 23, and no rod-type electric actuator can be chooseed for use to a actuating mechanism, including first motor and slip table, on the feeding track was arranged in to the slip table, first motor passed through lead screw or belt drive slip table, made it along feeding track removal, and material loading tray installs on the slip table. 100 mounting holes 24 are arranged in the upper tray 21 in a regular manner and are arranged in 10-by-10 manner, the first contact element 6 with the jack is vertically inserted into the mounting holes, and one end with the jack is vertically inserted into the mounting holes; the material loading mode adopts the module material loading, can join in marriage the polylith and go up the charging tray and change the use, and every charging tray can load 100 first contacts that await measuring, and the plug of first contact is down, when getting by the material loading manipulator clamp like this, can easily link to each other jack and contact pin for separation efficiency. After the row of first contact elements are detected, the feeding tray moves forwards by one row of positions, so that the feeding manipulator can continuously clamp the next row of first contact elements.

The feeding manipulator 5 is arranged on a second driving mechanism 51 arranged in the Z-axis direction, the feeding manipulator can move in the Z-axis direction, the second driving mechanism 51 is arranged on a third driving mechanism 52 horizontally arranged along the X-axis, and the feeding manipulator can move horizontally in the X-axis direction; the second driving mechanism and the third driving mechanism can be selected from commercially available rodless electric actuators. The feeding manipulator 5 is provided with a clamping part, the clamping part comprises a clamping cylinder 53 and two openable clamping modules 54, and the clamping modules can clamp the first contact element.

The force measuring assembly 4 comprises a force measuring base 41, a gravity block and an induction switch, wherein the force measuring base 41 is fixed on the workbench 1, a circular mounting groove 42 is formed in the force measuring base 41, long slotted holes 43 which are vertically arranged are formed in two sides of the mounting groove, and the gravity block is arranged in the circular mounting groove; the gravity block is divided into a first gravity block 44 and a second gravity block 45, the second gravity block 45 is of a hollow structure, inverted U-shaped open slots 46 are arranged on two sides of the second gravity block, and the openings face downwards; the first gravity block 44 is arranged in the second gravity block 45, force measuring rods 47 are fixed on two sides of the first gravity block 44, the force measuring rods 47 penetrate through open slots 46 on two sides of the second gravity block and extend out of the long slot 43 of the force measuring base, the first gravity block can move up and down relative to the second gravity block, the force measuring rods move in the open slots at the moment, after the force measuring rods are abutted against the upper ends of the open slots, the first gravity block can drive the second gravity block to move up synchronously, after the force measuring rods move to the highest position, namely the long slot of the force measuring base is limited, the first gravity block and the second gravity block stop moving, and when the loading manipulator pulls out the first contact element, if the insertion and extraction force is too large, the long slot is required to limit the force measuring rods, so that the first contact element and the second contact element are separated in a classified mode. A second contact 7 with a pin is fixed above the first gravity block 44 and is fixed vertically on top of the first gravity block.

The inductive switch includes the high inductive switch 48 and the low inductive switch 49 that arrange the setting from top to bottom, and first contact 6 contacts with second contact 7, and there are three states in the material loading manipulator 5 drive first contact 6 in-process that moves up: the first contact member is separated from the second contact member, the force measuring rod 47 is positioned below the low-position induction switch 49, the low-position induction switch does not sense the force measuring rod, at the moment, the insertion and extraction force of the first contact member is lower than the lower limit, and the feeding manipulator 5 puts the first contact member 6 into the ultra-lower limit funnel 33; the first contact piece only drives the first gravity block to move upwards through the second contact piece, the force measuring rod is located between the high-position induction switch and the low-position induction switch, the low-position induction switch senses the force measuring rod, but the high-position induction switch does not sense the force measuring rod, the insertion and extraction force is qualified at the moment, and the feeding manipulator 5 puts the first contact piece 6 into the qualified funnel 31; the first contact piece drives the first gravity block and the second gravity block to move upwards through the second contact piece, the force measuring rod is positioned above the high-position induction switch, the low-position induction switch and the high-position induction switch sense the force measuring rod, the inserting and extracting force of the first contact piece is higher than the upper limit at the moment, and the feeding manipulator puts the first contact piece into the hopper 32 with the upper limit; the feeding manipulator places the first contact members into the corresponding funnels according to the test structures, separates the first contact members in different states, and facilitates subsequent processing.

The second contact and the classifying hopper are positioned on the same X-axis direction straight line on the first row of mounting holes and the force measuring assembly when the material feeding tray is at the initial position, and the feeding manipulator is driven by a third driving mechanism horizontally arranged in the X-axis direction and can move back and forth among the material feeding tray, the force measuring assembly and the classifying hopper to complete the work of feeding, force measuring and sorting.

The first contact 6 that waits to detect places on charging tray 21 in proper order, and standard second contact 7 is fixed on first gravity piece 44, and material loading manipulator 5 presss from both sides one piece of first contact 6 through the clamping part clamp, moves to second contact 7 directly over the back, moves down, inserts first contact on the second contact, and then material loading manipulator 5 drives first contact 6 and moves up, because the power of inserting and pulling between first contact and the second contact, so first contact has the trend that drives the second contact and shift up. Selecting two gravity blocks with proper specifications to be stacked, if the insertion and extraction force of the first contact member 6 is smaller than the weight of the first gravity block 44, separating the first contact member 6 from the second contact member 7, if the insertion and extraction force is too small, and placing the first contact member 6 into the ultra-low-limit funnel 33 by the feeding manipulator 5; if the insertion and extraction force of the first contact element 6 is greater than the weight of the first gravity block 44 and less than the total weight of the first gravity block 44 and the second gravity block 45, the first contact element can drive the second contact element and the first gravity block, the force measuring rod cannot drive the second gravity block, the insertion and extraction force is qualified, and the feeding manipulator 5 puts the first contact element 6 into the qualified funnel 31; if the insertion and extraction force of the first contact element is greater than the total weight of the first gravity block and the second gravity block, the first contact element can drive the second contact element, the first gravity block and the second gravity block, the insertion and extraction force is too large, and the feeding manipulator 5 puts the first contact element 6 into the over-limit funnel 32. The weights with proper specifications are selected, the state that the insertion and extraction force of the jack is qualified, exceeds the upper limit and the lower limit can be detected in one step, and the sorting process is quick and accurate.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.

Claims (7)

1. The utility model provides a dynamometry sorting facilities of high accuracy which characterized in that: the device comprises a workbench, a feeding assembly and a force measuring assembly, wherein the feeding assembly and the force measuring assembly are arranged on the workbench; the feeding assembly comprises a feeding tray, a feeding track and a feeding manipulator, the feeding tray is arranged on the feeding track, is driven by a first driving mechanism and can move along the feeding track, a plurality of mounting holes are arranged in the feeding tray in order, and a first contact piece with an insertion hole is vertically inserted into the mounting holes; the force measuring assembly comprises a force measuring base, a gravity block and an induction switch, the gravity block is placed on the force measuring base, a second contact piece with a contact pin is fixed above the gravity block, and a force measuring rod matched with the induction switch to work is arranged on the side face of the gravity block; a clamping part is arranged below the feeding manipulator and used for clamping the first contact piece, moving the first contact piece above the gravity block and contacting with the second contact piece; the material loading manipulator can drive the first contact piece to move upwards, and two states exist in the upward moving process: the first contact piece drives the gravity block to move upwards through the second contact piece, and the first contact piece is separated from the second contact piece.

2. A high precision force measuring cell as in claim 1, wherein: the gravity block is divided into a first gravity block and a second gravity block, the second gravity block is of a hollow structure, open slots are formed in two sides of the second gravity block, the first gravity block is arranged in the second gravity block, the top of the first gravity block penetrates through the second gravity block, the second contact piece is fixed to the top of the first gravity block, force measuring rods are fixed to two sides of the first gravity block and penetrate through the open slots in two sides of the second gravity block, the first gravity block can move up and down relative to the second gravity block, or the second gravity block is driven by the force measuring rods to move up and down synchronously.

3. A high precision force measuring cell as defined in claim 2 wherein: inductive switch arranges high-order inductive switch and the low level inductive switch that sets up including from top to bottom, and first contact contacts with the second contact, and there is the three state at the in-process on the material loading manipulator drives first contact shifts up: the first contact piece is separated from the second contact piece, and the force measuring rod is positioned below the low-position inductive switch; the first contact piece only drives the first gravity block to move upwards through the second contact piece, and the force measuring rod is positioned between the high-position induction switch and the low-position induction switch; the first contact piece drives the first gravity block and the second gravity block to move upwards through the second contact piece, and the force measuring rod is located above the high-position induction switch.

4. A high precision force measuring cell as defined in claim 3 wherein: still include categorised funnel on the workstation, categorised funnel divide into qualified funnel, super upper limit funnel, super lower limit funnel, and material loading manipulator puts into qualified funnel, super upper limit funnel or super lower limit funnel respectively with first contact.

5. A high precision force measuring cell as in claim 1, wherein: the first driving mechanism comprises a first motor and a sliding table, the sliding table is arranged on the feeding track, the first motor drives the sliding table through a lead screw or a belt to move along the feeding track, and the feeding disc is arranged on the sliding table.

6. A high precision force measuring cell as in claim 1, wherein: the material loading plate is provided with 100 mounting holes which are arranged in 10-by-10 mode, and one end of the first contact piece with the insertion hole is vertically inserted into the mounting holes.

7. A high precision force measuring cell as in claim 1, wherein: the feeding mechanical arm is arranged on a second driving mechanism which is vertically arranged, the feeding mechanical arm can move in the vertical direction, the second driving mechanism is arranged on a third driving mechanism which is horizontally arranged, and the feeding mechanical arm can move in the horizontal direction; the clamping part comprises a clamping cylinder and two openable clamping modules.

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