阅读说明：本技术 一种梅花触头与静触头装配夹具及其操作方法 (Plum blossom contact and static contact assembling clamp and operation method thereof ) 是由 陈佳成 姚立锋 于 2019-08-07 设计创作，主要内容包括：本发明涉及一种装配夹具,尤其涉及一种梅花触头与静触头装配夹具及其操作方法,属于低压电器工艺装备范畴。包括支架主和梅花触头,所述的支架中设有移动夹取压合组件、定位组件和料道,所述的定位组件的上方设有与定位组件呈活动式压制的移动夹取压合组件,所述的料道中设有若干静触头,所述的移动夹取压合组件与料道中的静触头呈匹配式对应分布。提高自动化程度,装配精度高。(The invention relates to an assembly fixture, in particular to an assembly fixture for a tulip contact and a fixed contact and an operation method thereof, and belongs to the field of low-voltage electrical apparatus process equipment. The movable clamping pressing assembly is movably pressed with the positioning assembly, a plurality of static contacts are arranged in the material channel, and the movable clamping pressing assembly and the static contacts in the material channel are correspondingly distributed in a matching mode. The automation degree is improved, and the assembly precision is high.)

1. the utility model provides a plum blossom contact and static contact assembly jig which characterized in that: the clamping device comprises a support (1) and a plum blossom contact (2), wherein a movable clamping and pressing component, a positioning component and a material channel (3) are arranged in the support (1), the movable clamping and pressing component which is movably pressed with the positioning component is arranged above the positioning component, a plurality of static contacts (a) are arranged in the material channel (3), and the movable clamping and pressing component and the static contacts (a) in the material channel (3) are correspondingly distributed in a matching manner;

The movable clamping and pressing assembly comprises at least one three-jaw clamping finger cylinder (5) capable of sliding and moving, and the three-jaw clamping finger cylinder (5) and the static contact (a) are movably clamped;

the positioning assembly comprises at least three pen-shaped air cylinders (6) which are uniformly distributed in the central circumference, the plum blossom contact (2) is positioned at the central position of the 4 pen-shaped air cylinders (6), and the upper part of the plum blossom contact (2) and a static contact (a) in the three-jaw finger clamping air cylinder (5) are movably pressed up and down.

2. the assembly fixture for the tulip contact and the fixed contact as claimed in claim 1, wherein: support (1) in be equipped with a pair of mini cylinder (7) that are bilateral symmetry formula and distribute, grudging post (1) in be equipped with linear guide (8) and biax cylinder (9), biax cylinder (9) carry out horizontal displacement along linear guide (8) through slider (10), biax cylinder (9) of every mini cylinder (7) control, mini cylinder (7) promote biax cylinder (9) and carry out the displacement, the bottom of biax cylinder (9) be equipped with cylinder cushion (11), three-jaw clamp indicate that cylinder (5) fix the bottom at cylinder cushion (11).

3. the assembly fixture for the tulip contact and the fixed contact as claimed in claim 2, wherein: the stretching end of the mini cylinder (7) is fixedly connected with a cushion block (12), the bottom of the cushion block (12) is fixed on a sliding block (10), the surface of the cushion block (12) is fixed with the double-shaft cylinder (9), and the stretching end of the cushion block (12) and the stretching end of the mini cylinder (7) are fixed through nuts.

4. the assembly fixture for the tulip contact and the fixed contact as claimed in claim 1, wherein: the head of the extending end of the pen-shaped air cylinder (6) is provided with a pressing block (13) which is attached to the outer wall of the plum blossom contact (2), the number of the pen-shaped air cylinders (6) is 5, and the 5 pen-shaped air cylinders (6) are uniformly distributed.

5. The assembly fixture for the tulip contact and the fixed contact as claimed in claim 1, wherein: a support (14) is arranged in the support (1), and the material channel (3) is fixed on the support (14) through a connecting plate (15).

6. the assembly fixture for the tulip contact and the fixed contact as claimed in claim 2, wherein:

The support (1) in be equipped with feed bin (16), feed bin (16) indicate cylinder (5) to be movable corresponding distribution from top to bottom with the three-jaw clamp of left end.

7. The operating method of the plum blossom contact and static contact assembling jig as claimed in claim 1 or 3, characterized in that the steps are performed as follows:

(1) The static contact (a) is connected to a temporary storage position (Z) of the material channel through a vibrating disc, a material blocking mechanism and a material separating mechanism;

(2) Manually putting the tulip contact into a working position, starting a button, and switching to PLC automatic control;

(3) the five pen-shaped air cylinders act to press the lower end of the tulip contact tightly so as to expand the upper end of the tulip contact;

(4) The mini cylinder is in a piston rod contraction state, a piston rod of the double-shaft cylinder extends downwards, the lower three-jaw clamping finger cylinder contracts to clamp a static contact (a), and the piston rod of the double-shaft cylinder contracts to ascend;

(5) The piston rod of the mini cylinder extends out to the left, after the mini cylinder is in place, the piston rod of the double-shaft cylinder extends out to the lower, and the three-jaw clamping finger cylinder is loosened to enable the static contact (a) to fall into the plum blossom contact;

(6) The piston rod of the double-shaft cylinder contracts to move upwards, and the piston rod of the mini cylinder contracts to move rightwards, so that the double-shaft cylinder is positioned at the right side;

(7) after a piston rod of the mini cylinder extends rightwards, the double-shaft cylinder is located at the right side position, the piston rod of the double-shaft cylinder extends downwards, the three-jaw clamping finger cylinder contracts to clamp a finished plum blossom contact and static contact (a) combination product, and the piston rod of the double-shaft cylinder contracts and rises;

(8) the piston rod of the mini cylinder contracts to move left, after the mini cylinder is in place, the double-shaft cylinder is in the position of the left side, the piston rod of the double-shaft cylinder extends out to move down, the lower three-jaw clamping finger cylinder is loosened, so that a finished product falls into a storage bin, and the piston rod of the double-shaft cylinder contracts to rise;

And repeating the process to perform semi-automatic assembly of the plum blossom contact and the static contact (a).

Technical Field

the invention relates to an assembly fixture, in particular to an assembly fixture for a tulip contact and a fixed contact and an operation method thereof, and belongs to the field of low-voltage electrical apparatus process equipment.

background

the plug-in molded case circuit breaker needs to combine the plum blossom contact and the fixed contact first and then install the plum blossom contact and the fixed contact on each phase contact of the circuit breaker. Fig. 1 shows a tulip contact, which mainly comprises: a fixed contact, b finger spring, c contact and d support plate. Five contact pieces c are circumferentially and equally distributed on the periphery of the supporting plate d, the neck parts at the two ends of each contact piece c are respectively provided with a finger-shaped spring b, the inner side of each contact piece c is tightly attached to the step surface of the supporting plate d under the action of the finger-shaped springs b, and the boss of the supporting plate d is matched with the round hole of the contact piece c. In the past, the fixed contact a penetrates into the tulip contact forcibly by manpower after being connected with the internal thread of the fixed contact a through the external thread of the lengthened handle, the assembly method is simple, but the labor intensity of workers is high, the working efficiency is low, the handle needs to be manually screwed out of the fixed contact after the assembly is finished, and the workers are often unwilling to assemble the assembly due to the fact that the assembly is made by counting.

disclosure of Invention

The invention mainly solves the defects in the prior art and provides the plum blossom-shaped contact and static contact assembling clamp which is compact in structure and can be quickly and reliably automatically installed and the operation method thereof.

The technical problem of the invention is mainly solved by the following technical scheme:

A plum blossom contact and static contact assembly fixture comprises a support and a plum blossom contact, wherein a movable clamping and pressing component, a positioning component and a material channel are arranged in the support, the movable clamping and pressing component which is movably pressed with the positioning component is arranged above the positioning component, a plurality of static contacts are arranged in the material channel, and the movable clamping and pressing component and the static contacts in the material channel are correspondingly distributed in a matching manner;

The movable clamping and pressing assembly comprises at least one three-jaw clamping finger cylinder capable of sliding and moving, and the three-jaw clamping finger cylinder and the fixed contact are movably clamped;

the positioning assembly comprises at least three pen-shaped air cylinders which are uniformly distributed in the shape of a central circumference, the plum blossom contact is positioned in the center of the 4 pen-shaped air cylinders, and the upper part of the plum blossom contact and a fixed contact in the three-jaw finger clamping air cylinder are movably pressed up and down.

preferably, the support is internally provided with a pair of mini cylinders which are distributed in a bilateral symmetry mode, the vertical frame is internally provided with a linear guide rail and a double-shaft cylinder, the double-shaft cylinder horizontally displaces along the linear guide rail through a sliding block, each mini cylinder controls one double-shaft cylinder, the mini cylinders push the double-shaft cylinders to displace, the bottoms of the double-shaft cylinders are provided with cylinder cushion blocks, and the three-jaw clamping finger cylinders are fixed at the bottoms of the cylinder cushion blocks.

preferably, the protruding end of the mini cylinder is fixedly connected with a cushion block, the bottom of the cushion block is fixed on a sliding block, the surface of the cushion block is fixed with the double-shaft cylinder, and the cushion block and the protruding end of the mini cylinder are fixed through a nut.

Preferably, the head of the extending end of the pen-shaped air cylinder is provided with pressing blocks which are attached to the outer wall of the tulip contact, the number of the pen-shaped air cylinders is 5, and the 5 pen-shaped air cylinders are uniformly distributed.

preferably, a support is arranged in the support, and the material channel is fixed on the support through a connecting plate.

Preferably, a storage bin is arranged in the support, and the storage bin and the three-jaw clamping finger cylinder at the left end are movably distributed up and down correspondingly.

the mini cylinder is fixed on the bracket through a support and is locked by a nut; the end parts of the piston rods of the cylinders are respectively in threaded connection with the cushion blocks and are fastened by nuts; the linear guide rail is matched with the sliding block for use, one surface of the cushion block is fixed on the sliding block, the other surface of the cushion block is fixedly provided with the double-shaft cylinder, and the linear guide rail is fixed on the bracket; the end part of a piston rod of the double-shaft cylinder is provided with a cylinder cushion block, and the lower end of the cylinder cushion block is respectively provided with a three-jaw clamping finger cylinder; the bracket is fixed on the vertical plate, and the vertical plate is fixed on the working panel; five pen-shaped air cylinders uniformly distributed around the central circumference are arranged in the middle of the working panel, and a pressing block is arranged at the end part of a piston rod of each air cylinder and is screwed by a nut; the right side of the working panel is provided with a static contact a transmission channel which is fixed on a support through a connecting plate, and the support is fixed on the working panel. The static contact a is directionally and sequentially transmitted to the material channel by the vibrating disk, and then passes through the material blocking and separating device to reach the Z position of the temporary storage position. When in work, the assembled plum blossom contact (consisting of b, c and d) is manually placed into the approximate center position of the five pressing blocks, each contact piece c is approximately aligned with the pressing block, the button is started, the PLC control program is started, the piston rods of the five pen-shaped air cylinders extend forwards, the quincuncial contact is pressed and centered through the pressing block (note that when the pen-shaped air cylinder is fixed, after the piston rod is extended to the right position, the quincuncial contact is contracted at the lower end, and the upper end is expanded), the piston rod of the mini air cylinder is in a contracted state, the three-claw finger clamping air cylinder at the lower part of the double-shaft air cylinder corresponds to the temporary storage position Z of the static contact a, the piston rod of the double-shaft air cylinder extends downwards, the lower three-jaw clamping finger cylinder contracts to clamp the static contact a, the piston rod of the double-shaft cylinder contracts and rises, the piston rod of the mini cylinder extends leftwards and is in place, a piston rod of the double-shaft cylinder extends downwards, and the three-jaw clamping finger cylinder is loosened to enable the static contact a to fall into the plum blossom contact; the piston rod of the double-shaft cylinder contracts upwards, and the piston rod of the mini cylinder contracts to enable the double-shaft cylinder to be positioned at the right side; the piston rods of the five pen-shaped cylinders contract, and the press blocks loosen the quincuncial contact; the mini cylinder piston rod stretches out to move right, the double-shaft cylinder is pushed to move right along the linear guide rail, after the mini cylinder piston rod is in place, the double-shaft cylinder piston rod stretches out downwards, the lower three-jaw clamping finger cylinder shrinks to clamp a combined product of the plum blossom contact and the static contact a, the double-shaft cylinder piston rod shrinks to move upwards, the mini cylinder piston rod shrinks to move left, after the mini cylinder piston rod is in place, the double-shaft cylinder piston rod stretches out to move downwards, the lower three-jaw clamping finger cylinder loosens, a finished product falls into a.

An operation method of a plum blossom contact and static contact assembling clamp is carried out according to the following steps:

(1) the static contact a passes through the vibrating disc, the material blocking mechanism and the material separating mechanism to reach a temporary storage position Z of the material channel;

(2) manually putting the tulip contact into a working position, starting a button, and switching to PLC automatic control;

(3) the five pen-shaped air cylinders act to press the lower end of the tulip contact tightly so as to expand the upper end of the tulip contact;

(4) the mini cylinder is in a piston rod contraction state, a piston rod of the double-shaft cylinder extends downwards, the lower three-jaw clamping finger cylinder contracts to clamp the fixed contact a, and the piston rod of the double-shaft cylinder contracts to ascend;

(5) The piston rod of the mini cylinder extends out to move left, after the mini cylinder is in place, the piston rod of the double-shaft cylinder extends out to move down, and the three-jaw clamping finger cylinder is loosened to enable the static contact a to fall into the tulip contact;

(6) The piston rod of the double-shaft cylinder contracts to move upwards, and the piston rod of the mini cylinder contracts to move rightwards, so that the double-shaft cylinder is positioned at the right side;

(7) after a piston rod of the mini cylinder extends rightwards, the double-shaft cylinder is located at the right side position, the piston rod of the double-shaft cylinder extends downwards, the three-jaw clamping finger cylinder contracts to clamp a finished product formed by the assembled plum blossom contact and the static contact a, and the piston rod of the double-shaft cylinder contracts and rises;

(8) The piston rod of the mini cylinder contracts to move left, after the mini cylinder is in place, the double-shaft cylinder is in the position of the left side, the piston rod of the double-shaft cylinder extends out to move down, the lower three-jaw clamping finger cylinder is loosened, so that a finished product falls into a storage bin, and the piston rod of the double-shaft cylinder contracts to rise;

and repeating the process to perform semi-automatic assembly of the plum blossom contact and the static contact a.

The invention relates to a quincunx contact and static contact assembling clamp and an operation method thereof, which greatly reduce the labor intensity of workers, do not need the skill of the workers, obviously improve the assembling speed, supervise the assembly of a plurality of clamps by one person and easily complete the assembling task of the quincunx contact and the static contact in months.

Drawings

fig. 1 is a schematic structural view of a tulip contact and a fixed contact in the invention;

3 FIG. 3 2 3 is 3 a 3 schematic 3 sectional 3 view 3 A 3- 3 A 3 of 3 FIG. 3 1 3; 3

FIG. 3 is a schematic view of the construction of the assembling jig of the present invention;

FIG. 4 is a side view schematic of the structure of FIG. 3;

3 fig. 3 5 3 is 3 a 3 schematic 3 sectional 3 structure 3 view 3 a 3- 3 a 3 of 3 fig. 3 3 3. 3

Detailed Description

The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.