CN207494745U - A kind of provision for disengagement that connector is dismantled from workpiece - Google Patents

Abstract

The utility model is related to a kind of provision for disengagement that connector is dismantled from workpiece, including lathe, cutter.Cutter includes in hollow cylindrical and the bistrique with open-work, and on the main shaft of lathe, main shaft can move Cutting tool installation manner along Z axis, and respective row needle is made to stretch into the open-work of bistrique.Main shaft can drive cutter to rotate, the workpiece material that bistrique is allowed to be ground on workpiece around respective row needle.By main shaft in the displacement of Z axis, realize that cutter to the grinding depth and the amount of feeding of workpiece, abrades the circuit board material around the connector row's needle being welded on workpiece.When circuit board material around all row's needles of connector is all abraded, connector will come off from workpiece automatically.The present apparatus does not need to heating in implementation process and does not generate heat yet, therefore avoids heat and be transmitted to inside connector the irreversible heat damage caused by connector, therefore improve the yield rate of the connector disassembled along row's needle made of metal material.

Description

A kind of provision for disengagement that connector is dismantled from workpiece

Technical field

The utility model is related to a kind of provision for disengagement more particularly to a kind of provisions for disengagement that connector is dismantled from workpiece.

Background technology

Usual welded type workpiece（Such as circuit board）On can be welded with many components, as connector is being welded to circuit board （Namely pcb board）On very easily, but when welding mistake or want from discarded workpiece dismantle connector when, it is but very tired It is difficult.

When row's needle of connector（Technical term claims PIN）During negligible amounts, general 1 needle or 2 needles can usually be ironed using electricity Iron heats this 2 row's needles simultaneously so that scolding tin Flashmelt, so as to quickly extract connector in very short time.Once Careless manipulation, electric iron overstay in the position of row's needle, and heat is transmitted to along row's needle made of metal material in connector Portion, the plastics component part of connector heat up deformation and even melt, this connector just gives up.When the quantity of row's needle is more than 3（For convenience of description, needle one, row's needle two, row's needle three, following and so on is referred to as arranged）When, electric iron has melted row's needle one The scolding tin at place finds that the scolding tin of one position of row's needle solidifies again when the scolding tin for melting row's needle three, then melts row again in turn The scolding tin of one position of needle, moves in circles, and has taken good big energy, removes the connector to get off and may be because that overheat has deformed, It cannot use.After if this process the scolding tin for not melting row's pin position, rapidly using solder sucker, scolding tin is siphoned away, The success rate finally dismantled can be improved, but during the combination small to workpiece hole and connector row's needle fit clearance of this method, almost It is invalid, it is difficult to blot only to melt into the scolding tin inside hole.

The connector on circuit board is also dismantled in practice with a kind of molten tin method, concrete operations are：When row's needle on connector Quantity it is more when, the welding position of connector on workpiece constantly with electric iron fusion welding tin, and is stacked into connector row's needle Welding position, volume, which arrives greatly, can cover whole row's needles, and the welding of melting heated all connector row needles simultaneously, so Coordinate screwdriver that connector is pulled out from workpiece with tweezers afterwards.Connector is dismantled in this way, and operation is rapid, prevents Excessive heat, which is imported into inside connector, causes the irreversible heat damage of connector.

Also the connector on workpiece can be dismantled with hot wind platform in practice, hot wind platform is a kind of soldering appliance, can also be used To dismantle electronic component from workpiece.Concrete operations are：Workpiece is placed on the workbench of hot wind platform, adjusts hot blast nozzle Position so that hot blast nozzle adjusts air quantity and temperature, begin to warm up, when the welding of row's needle covered with the welding position of connector row's needle After the scolding tin of position all melts, coordinate screwdriver that connector is pulled out from workpiece with tweezers.Dismounting connects in this way Plug-in unit will also prevent excessive heat from importeding into inside connector and cause the irreversible heat damage of connector.

The method production efficiency for dismantling connector from workpiece above by the method for heating is not high, it is often more important that each Kind method is all inevitably transmitted to heat inside connector along row's needle made of metal material, the plastics group of connector Even melt into deformation is partly heated up.Therefore the connector high rejection rate disassembled.

Therefore in engineering practice, with greater need for a kind of provision for disengagement, can quickly remove connector on workpiece and The connector disassembled is not destroyed.

Utility model content

In order to which the connector that can quickly remove the connector on workpiece and disassemble is not destroyed, this reality With a kind of provision for disengagement that connector is dismantled from workpiece of novel offer, situation of the connector using function will not destroyed Under, simple easily dismounting is welded on the connector on workpiece again, realizes that the repetition of connector recycles.

The utility model is realized using following technical scheme：A kind of provision for disengagement that connector is dismantled from workpiece, it is special Sign is：It includes lathe, cutter；Definition is made of the three-dimensional system of coordinate of workpiece X-axis perpendicular to each other, Y-axis, Z axis, lathe Workbench is parallel to the plane that X-axis and Y-axis are formed, and the main shaft of lathe is parallel to Z axis；Cutter includes in hollow cylindrical and has The bistrique of open-work；On the main shaft of lathe, main shaft can move Cutting tool installation manner along Z axis, and respective row needle is made to stretch into the open-work of bistrique, Main shaft can drive cutter to rotate, the workpiece material that bistrique is allowed to be ground on workpiece around respective row needle.

As being further improved for said program, bistrique is the homogeneous mixture tempered with bonding agent for main component, and The cutter hub made of powder metallurgy forming technique.

Further, cutter further includes handle of a knife, bistrique and handle of a knife by Welding together with.

As being further improved for said program, the provision for disengagement further includes the folder by workpiece positioning on the table Tool.

Further, fixture passes through in T-slot on the workbench of lathe of screw, nut clamping.

Further, fixture is vice or flat-nose pliers.

Further, the provision for disengagement further includes the X-axis mobile station by fixture positioning on the table, X-axis mobile station It drives fixture to that workpiece is driven to move in X-axis.

Still further, the provision for disengagement further includes the Y-axis mobile station by X-axis mobile position estimation on the table, Y-axis Mobile station driving X-axis mobile station drives fixture and workpiece to be moved in Y-axis.

Preferably, X-axis mobile station and Y-axis mobile station respectively have a set of lead screw pair, are moved by rotating X-axis mobile station or Y-axis The lead screw pair handwheel of platform, the position of adjustment, positioning workpiece in fixture carry out aligned cutting tool and abrade row's needle different on workpiece successively The workpiece material of surrounding.

As being further improved for said program, lathe for vertical knee-type milling machine or upright drill or nC vertical milling machine or NC vertical drilling machine.

The present apparatus does not need to heat because dismantling the connector on workpiece by the way of cold working in disassembly process, Do not generate heat（Or the heat generated is insignificant）, there is no in disassembly process heat to arrange needle by the metal of connector and be transmitted to Inside connector, therefore heat damage will not be generated to the plastics component part of connector.So that the connector disassembled returns Yield is very high.Production efficiency with the present apparatus row's of dismounting needle class connector from workpiece is also very high.

Description of the drawings

The structure diagram of general lathe that Fig. 1 is utilized by the provision for disengagement of the utility model.

Fig. 2 is the structure diagram of the cutter designed by the provision for disengagement of the utility model.

Fig. 3 is the sectional view of cutter in Fig. 2.

Fig. 4 is status diagram of the cutter before grinding starts in Fig. 2.

Fig. 5 is status diagram of the cutter in grinding in Fig. 2.

Fig. 6 is cutter in Fig. 2 in status diagram after grinding.

Fig. 7 is the structure diagram of the provision for disengagement of the utility model embodiment 1.

Fig. 8 is the structure diagram of the provision for disengagement of the utility model embodiment 2.

Specific embodiment

In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, the present invention is further described in detail.It should be appreciated that specific embodiment described herein is only explaining this Utility model is not used to limit the utility model.

The provision for disengagement that connector is dismantled on the slave workpiece of the utility model utilizes lathe（Drilling machine or milling machine）, cutter （Or grinding tool, hereafter referred to collectively as cutter）, and using cold working by the way of dismantle on workpiece row needle class connector and DIP encapsulation Electronic component（Hereinafter referred to as connector）.Cutter is fixed on the main shaft of lathe, and workpiece is fixed on the workbench of lathe.This What the cutter in device was applied is grinding process.By driving spindle, cutter is made to realize grinding depth and the amount of feeding to workpiece. Main shaft drives cutter rotates, and makes cutter that the circuit board material around the connector row's needle being welded on workpiece is abraded.When patching When circuit board material around all row's needles of part is all abraded, connector will come off from workpiece automatically, so as to It realizes primary perfectly by cold machining process from the task of workpiece connector.For the cutter that is ground mainly by handle of a knife It is formed with bistrique, it is cylindrical and with hollow open-work.The main component of bistrique is the homogeneous mixture tempered with bonding agent, And it is made of moulding process such as powder metallurgy.Bistrique is welded together with handle of a knife by techniques such as solderings.The present apparatus was being implemented Heating is not needed in journey and does not generate heat yet, therefore avoids heat and is transmitted in connector along row's needle made of metal material Portion's irreversible heat damage caused by connector, therefore improve the yield rate of the connector disassembled.

In order to preferably adjust position of the workpiece on the workbench of lathe, X-axis mobile station, Y-axis movement can also be increased The equipment such as platform, fixture, on the main shaft of lathe, main shaft by motor is driven and lifted Cutting tool installation manner, and cutter is revolved by main shaft drives Turn, the main shaft of lathe can be moved along Z-direction.Workpiece is mounted on the workbench of top layer（X-axis mobile station or Y-axis mobile station） On.Workpiece coordinate system is established by reference point of workpiece, the X-direction movement of workpiece is completed by X-axis mobile station, the Y-axis side of workpiece It is completed to mobile by Y-axis mobile station, the Z-direction movement of workpiece moves completion by machine tool chief axis along Z-direction.

When dismantling connector from workpiece, the adjustment preparation before dismounting is first carried out：Workpiece is packed into X-axis to move On fixture on dynamic platform（Such as vice）, the position of adjustment Y-axis mobile station so that the cutter centre of gyration just corresponds to connector one Then the axis of a row's needle adjusts the position of X-axis mobile station so that the cutter centre of gyration is just at first of connector side Above the axis for arranging needle, and by adjusting the position travelling workpiece of X-axis mobile station the cutter centre of gyration is just being patched Above the axis of the last one row's needle of part.The stroke of Z axis is finally adjusted, by adjusting the stroke of Z axis so that cutter adds at one At the end of work recycles, the extreme position of cutter just penetrates workpiece.

The existing lathe of machine tool applications, as shown in Figure 1, general lathe includes main shaft 91, workbench 92, engine base 93rd, column 94, spindle box 95, feeding 96, motor 97, band cover 98 etc..Workbench 92 is fixed on engine base 93, and column 94 is perpendicular It stands on engine base 93, spindle box 95 is fixed on column 94, and motor 97 is fixed on spindle box 95.Main shaft 91,96 peace of feeding It mounted in 95 bottom of spindle box, is lifted by 97 driving spindle 91 of motor, the downward amount of feeding of main shaft 11 is controlled by feeding 96, The top that entire lathe is mounted on cover 98 mainly shields.

Cutter improves, and the design of the utility model can not be realized using common cutter.As shown in Figures 2 and 3, The cutter of the utility model, the bistrique 21 including handle of a knife 22 and on handle of a knife 22, the main component of bistrique 21 is to temper It with the homogeneous mixture of bonding agent, and is made of moulding process such as powder metallurgy, bistrique 21 passes through with handle of a knife 22 techniques such as is brazed Weld together, such as the brazing area 23 in Fig. 2.For the cutter of the utility model due to its design method, the wall thickness of bistrique 21 can To accomplish very little, such as 4 × Φ of Φ 2,5 × Φ of Φ 3.

Incorporated by reference to Fig. 4, Fig. 5 and Fig. 6, during connector on workpiece 3, bistrique 21 is pushed by main shaft 91 towards connector, is connect Row's needle 311 of plug-in unit is stretched into the open-work 211 of bistrique 21, and bistrique 21 is ground the workpiece area around row's needle on workpiece, Relative position between adjustment workpiece and bistrique 21 is ground the workpiece area around all row's needles of connector with this.Work as connector All row's needles 311 around when all handling, entire connector can be from workpiece 33 departing from realizing connector from workpiece 3 On cold working dismounting technique.

The handle of a knife 22 of cutter is mounted on main shaft 11, and bistrique 21 is fixed on handle of a knife 22, and entire cutter can be hollow knot Structure, when being communicated inside bistrique 21 and handle of a knife 22, the open-work 211 of bistrique 21 can accommodate longer row's needle.

In the size design of cutter, as long as the open-work that row's needle of connector to be ground is accommodated in bistrique 21 can be met In 211, the workpiece area around respective row needle is ground on workpiece conducive to bistrique 21.Generally, bistrique 21 is interior Bore dia is greater than the circumscribed circle diameter of respective row needle 311, and the outer diameter of bistrique 21 is less than 3 row's needles in one line on connector 311st, the inscribed diameter of a circle formed using the 2nd center of pin line as the center of circle, with the inside of the first needle and third needle.

The device of the utility model is ground by using cold working, it is therefore prevented that existing heat processing technique temperature is excessively high to some Connector leads to the problem of destruction, not only there is promotion in productivity speed, also improves time of connector in welding workpiece Yield.

In practical applications, there are many kinds of the modes of realization for the device of the utility model, but its theory is all consistent, All it is the connector dismantled by the theory of the utility model on workpiece.Subsequently to several masters of realization the utility model theory Provision for disengagement is wanted to describe in detail.

Embodiment 1

Referring to Fig. 7, the provision for disengagement that connector is dismantled on the slave workpiece of the utility model embodiment 1 includes lathe 1, knife Tool, fixture 4.Provision for disengagement utilizes the connector on lathe 1, cutter dismounting workpiece 3.

Cutter is fixed on the main shaft 11 of lathe 1, and workpiece 3 is fixed on by fixture 4 on the workbench 12 of lathe 1.As long as Workpiece 3 can be fixed on the workbench 12 of lathe 1, fixture 4 can not also be set, and fixture 4 can be vice or flat-nose pliers etc.. Fixture 4 can be by the T-slot of screw, nut clamping on the workbench 12 of lathe 1.By adjusting, positioning fixture 4 in lathe The position of position or adjustment, positioning workpiece 3 in fixture 4 on 12 pedestal of workbench carrys out aligned cutting tool and abrades workpiece 3 successively Circuit board material around upper different row's needle 311.

Declined by driving spindle 11 with cutter along Z axis, main shaft 11 drives cutter rotation, makes tool grinding workbench 12 On workpiece 3.During connector on workpiece 3, bistrique 21 is pushed by main shaft 11 towards connector, and row's needle 311 of connector stretches into In the open-work 211 of bistrique 21, bistrique 21 is ground the workpiece area around row's needle 311, adjustment workpiece 3 and mill on workpiece 3 Relative position between first 21 is ground the workpiece area around all row's needles 311 of connector with this.The handle of a knife 21 of cutter is installed On the main shaft 11 of lathe 1, the bistrique 22 of cutter is extended downwardly from 21 upper edge main shaft 11 of handle of a knife.By rotate on lathe 1 into The driving spindle 11 to handle 13 makes cutter drive the amount of feeding realized on 11 direction of main shaft by main shaft 11.

When workpiece 3 is fixed on the workbench 12 of lathe 1, the locating plate 6 with channel 61 can be used, using bolt 5 or Screw is locked in across channel 61 in workbench 12, and is passed through the nut 7 on bolt 5 and positioned locating plate 6 on table 12. Channel 61 can play certain position adjustment effect.

The provision for disengagement of connector is dismantled on the slave workpiece of the present embodiment in the connector on dismantling workpiece 3, is used Following steps.

Step 1: definition is made of the three-dimensional system of coordinate of workpiece 3, the workbench of lathe 1 X-axis perpendicular to each other, Y-axis, Z axis 12 are parallel to the plane that X-axis and Y-axis are formed, and the main shaft 11 of lathe 1 is parallel to Z axis.Cutting tool installation manner on the main shaft 11 of lathe 1, Main shaft 11 can be moved along Z axis, and cutter can be driven to rotate, and cutter is made to remove the workpiece 3 of grinding positioning on table 12.

Step 2: the relative position between adjustment one of row's needle 311 of connector and bistrique 21, makes main shaft 11 along Z When axis declines, respective row needle 311 can be stretched into the open-work 211 of bistrique 21.In this case, the stroke of Z axis, such as manual depression are adjusted Main shaft 11, since cutter by main shaft 11 drives rotation, workpiece material that bistrique 21 can be around the row's of grinding needle 311, directly To penetrating workpiece.The stroke of Z axis can be adjusted, makes the extreme lower position of cutter just through the circuit board on workpiece 3, it is therefore an objective to After cutter abrades the workpiece material around row's needle, workpiece is just penetrated.

Step 3: driving spindle 11 declines along Z axis so that when bistrique 21 is along Z axis close to workpiece, respective row needle 311 stretches into In the open-work 211 of bistrique 21, main shaft 11 drives bistrique 21 to rotate, and bistrique 21 is made to start the workpiece material around grinding row's needle 311, Until penetrate the circuit board of workpiece 3.

Step 4: driving spindle 11 rises along Z axis.Workpiece 3 is thus detached from, main shaft 11 can be made to stop at the position of top It puts, completes time processing cycle.

Step 5: step 2 is repeated to step 4 until the circuit board material around all row's needles 311 of connector is ground Terminate.

The device of the utility model is ground by using cold working, it is therefore prevented that existing heat processing technique temperature is excessively high to some Connector leads to the problem of destruction, not only there is promotion in speed, also improves the rate of recovery of connector in welding workpiece.This The device volume of utility model can accomplish very little, can apply well in narrow space and complicated installation environment It is interior, and with the advantages of safety, processing speed is fast, and footprint is small, and operation is convenient, and management service facilitates.

Embodiment 2

Referring to Fig. 8, X-axis mobile station 5, Y-axis mobile station 6 are increased on the basis of embodiment 2.Fixture 4 is moved by X-axis Dynamic platform 5 positions on table 12, and X-axis mobile station 5 drives fixture to 4 drive workpiece 3 and moved in X-axis.X-axis mobile station 5 passes through Y Axis mobile station 6 positions on table 12, and Y-axis mobile station 6 drives X-axis mobile station 5 that fixture 4 and workpiece 3 is driven to be moved up in Y-axis It is dynamic.X-axis mobile station 5 can also only be increased or only increase Y-axis mobile station 6.

When dismantling connector from workpiece 3, the adjustment preparation before dismounting is first carried out：Workpiece 3 is packed into X-axis On the fixture of mobile station 5, the position of adjustment Y-axis mobile station 6 so that the centre of gyration of cutter just corresponds to one row's needle of connector Then 311 axis adjusts the position of X-axis mobile station 5 so that the centre of gyration of cutter is just at first of connector side Above the axis for arranging needle 311, and cause the centre of gyration of cutter just by adjusting the position travelling workpiece 3 of X-axis mobile station 5 Above the axis of the last one row's needle 311 of connector.The stroke of Z axis is finally adjusted, by adjusting the stroke of Z axis so that knife For tool at the end of a fabrication cycles, the extreme position of cutter just penetrates workpiece 3.

X-axis mobile station 5 and Y-axis mobile station 6 respectively have a set of lead screw pair, by rotating X-axis mobile station 5 or Y-axis mobile station 6 Lead screw pair handwheel, it is possible to easily adjust, position of the positioning workpiece 3 in fixture 4 is carried out aligned cutting tool and abraded successively on workpiece 3 Circuit board material around different row's needles 311.

The described lathe 1 of the utility model can be vertical knee-type milling machine or upright drill, when vertical knee-type milling machine is used for this practicality When novel middle, without additional X-axis mobile station 5 and Y-axis mobile station 6, because vertical knee-type milling machine in itself there is high-precision X-axis to move Dynamic platform 5 and Y-axis mobile station 6；When upright drill is in the utility model, it can be moved with additional X-axis mobile station 5 and Y-axis Dynamic platform 6.

The described lathe 1 of the utility model can also be nC vertical milling machine or NC vertical drilling machine.Use numerical control machine After bed finishes processing program, the removing work of the circuit board material around all row's needles 311 can be completed with clamped one time.

With reference to above example it is found that the device volume can accomplish very little, can apply well in narrow space and In complicated installation environment, and with safety, processing speed is fast, and footprint is small, and operation is convenient, and management service is convenient Advantage.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model Protection domain within.

Claims (10)

1. a kind of provision for disengagement that connector is dismantled from workpiece, it is characterised in that：It includes lathe（1）, cutter；Definition is by two Two vertical X-axis, Y-axis, Z axis form workpiece（3）Three-dimensional system of coordinate, lathe（1）Workbench（12）It is parallel to X-axis and Y-axis The plane of composition, lathe（1）Main shaft（11）It is parallel to Z axis；Cutter is included in hollow cylindrical and with open-work（211）Mill Head（21）；Cutting tool installation manner is in lathe（1）Main shaft（11）On, main shaft（11）It can be moved along Z axis, make respective row needle（311）It stretches into Bistrique（21）Open-work（211）It is interior；Main shaft（11）Cutter can be driven to rotate, allow bistrique（21）In workpiece（3）Upper grinding is located at phase Needle should be arranged（311）The workpiece material of surrounding.

2. the provision for disengagement of connector is dismantled from workpiece as described in claim 1, it is characterised in that：Bistrique（21）It is main Ingredient is the homogeneous mixture tempered with bonding agent, and the cutter hub made of powder metallurgy forming technique.

3. the provision for disengagement of connector is dismantled from workpiece as claimed in claim 2, it is characterised in that：Cutter further includes handle of a knife （22）, bistrique（21）With handle of a knife（22）By Welding together.

4. the provision for disengagement of connector is dismantled from workpiece as described in claim 1, it is characterised in that：The provision for disengagement is also Including by workpiece（3）It is located in workbench（12）On fixture（4）.

5. the provision for disengagement of connector is dismantled from workpiece as claimed in claim 4, it is characterised in that：Fixture（4）Pass through spiral shell Nail, nut clamping lathe workbench（12）On T-slot in.

6. the provision for disengagement of connector is dismantled from workpiece as claimed in claim 4, it is characterised in that：Fixture（4）For vice Or flat-nose pliers.

7. the provision for disengagement of connector is dismantled from workpiece as claimed in claim 4, it is characterised in that：The provision for disengagement is also Including by fixture（4）It is located in workbench（12）On X-axis mobile station（5）, X-axis mobile station（5）It drives fixture to（4）Drive workpiece （3）It is moved in X-axis.

8. the provision for disengagement of connector is dismantled from workpiece as claimed in claim 7, it is characterised in that：The provision for disengagement is also Including by X-axis mobile station（5）It is located in workbench（12）On Y-axis mobile station（6）, Y-axis mobile station（6）Drive X-axis mobile station （5）Drive fixture（4）And workpiece（3）It is moved in Y-axis.

9. the provision for disengagement of connector is dismantled from workpiece as claimed in claim 8, it is characterised in that：X-axis mobile station（5）With Y-axis mobile station（6）Respectively there is a set of lead screw pair, by rotating X-axis mobile station（5）Or Y-axis mobile station（6）Lead screw pair handwheel, adjust Whole, positioning workpiece（3）In fixture（4）In position carry out aligned cutting tool and abrade workpiece successively（3）Upper different row's needle（311）Around Workpiece material.

10. the provision for disengagement of connector is dismantled from workpiece as described in claim 1, it is characterised in that：Lathe（1）It is vertical Milling machine or upright drill or nC vertical milling machine or NC vertical drilling machine.