CN2643482Y - Riveting press fixture for radiator rack - Google Patents

Abstract

The utility model discloses a pressing rivet tool for a radiator stand and can arrange the radiator stand to a CPU at a mainboard. The utility model comprises a machine frame, a pressure regulator device and a control circuit. Wherein, the machine frame adopts a positioning pin to position the mainboard for arranging the radiator stand and is added with an elastic pressing rivet bar to ensure that the radiator stand is closely pressed to the plane of the mainboard; the pressure regulator device can not only regulate input gas pressure and determine proper downward pressure but also control input gas pressure rate and make the down pressure and up pressure rates be regulated; and the control circuit can control pressing rivet tool of the radiator stand.

Description

The radiator bearer tool that presses

[technical field]

The utility model is about a kind of radiator bearer tool that presses, particularly about a kind of radiator bearer in order to the central processing unit place that radiator bearer is installed in motherboard tool that presses.

[background technology]

When industry is used the bigger central processing unit radiator of volume, generally can on motherboard, be equiped with radiator bearer supportingly, and remain with suitable distance between the bottom of this support and the motherboard plate face.If this distance is either large or small, cause the bottom of this support and motherboard plate face to have non-equidistantly distributing, industry generally is referred to as floating high.When producing floating high motherboard when the radiator of central processing unit is installed, can cause radiator and the loose contact of central processing unit subregion and make the radiating effect of radiator not good enough, and then cause that central processing unit is overheated to be burnt out.

Known, the motherboard central processing unit that industry is used at present carries out the installing of central processing unit radiator bearer with the radiator bearer tool (seeing also Fig. 1) that presses.This tool 1 that presses comprises carrying board 2 and an arm of force 4 that presses, this carrying board 2 is provided with a supporting part 3, this supporting part 3 is for the formation that caves inward, and its shape size is very approaching with the motherboard of waiting to install the central processing unit radiator bearer, and makes this motherboard can be chimeric wherein to guarantee this motherboard accurate positioning; This front end that presses the arm of force 4 is provided with the device 5 that presses, comprise a cylinder 6, a piece 8 and a microscope carrier 10 that presses that presses, this piece 8 that presses is to be connected with this cylinder 6 by radial axle 7, its principle is for when cylinder 6 is inflated, move down because of the pressure effect makes this radial axle 7 drive this piece 8 that presses, vice versa.Wherein, also radially run through downwards on four jiaos of this piece 8 that presses and be provided with four pressure bars 9; This 10 of microscope carrier that press is positioned at this supporting part 3, and its corresponding these pressure bars 9 are provided with shrinkage pool 11, and evenly are provided with some rigid column 12 in the periphery of this microscope carrier 10 that presses.

In addition, this tool that presses uses the 220V alternating current, and its internal control circuit selects for use high tension apparatus to make.See also Fig. 2, be the control circuit of this tool that presses, it comprises first, second and third loop, include relay J 1, J2 in each loop, press-type switch S B1, SB2, SB3 (the press-type switch is connected for pressing promptly, the switch of letting go and promptly disconnecting), electromagnetically operated valve L and K switch 1, K2.Wherein, press-type switch S B1, SB2 are the circuit control button, and SB3 is the reset and protection button; Electromagnetically operated valve L is the circuit executive module, is to control cylinder charging and give vent to anger; K switch 1, K2 are common switches and pass through relay J 1, J2 control.

The basic principle of this control circuit is, at first presses press-type switch S B1, and first loop is connected, and relay J 1 control switch K1 closure is carried out the control circuit initialization; Secondly, pin press-type switch S B2, second loop is connected, and relay J 2 control switch K2 closures are connected tertiary circuit, and electromagnetically operated valve L controls cylinder charging; Then, as press and finish, unclamp press-type switch S B2, second loop is disconnected, relay J 2 control switch K2 disconnect, and tertiary circuit is disconnected, and electromagnetically operated valve L control cylinder is given vent to anger.

When tool that this is pressed is operated, the motherboard of waiting to install radiator bearer is the chimeric supporting part 3 that places this carrying board 2, the position of desire installing radiator bearer then is positioned on this microscope carrier 10 that presses, and the perforation in order to the fixed heat sink support is one to one on shrinkage pool on this microscope carrier 10 that presses 11 and the motherboard.

At this moment, by manually pinning operating knob, in the cylinder 6 of this tool 1 that presses with injecting gas, making this radial axle 7 drive this piece 8 that presses by the pressure effect moves down, and further make these pressure bars 9 press down the interior wedge type nail of pillar of radiator bearer, and make this wedge type nail pass the perforation on the motherboard and reach fixed effect.Then, the unclamp operation of manually letting go button, the gas in the cylinder 6 will be emitted, and make this radial axle 7 drive these piece 8 homings that press.Afterwards, take out this motherboard, it has installed the radiator bearer of central processing unit.

But, use this tool that presses, still there are many drawbacks, and make central processing unit radiator bearer when installing easily produce floating high phenomenon, detail analysis is described as follows:

1. mechanical structure aspect

The tool that presses commonly used is to adopt bakelite to make, because the rigidity of bakelite is bad, yielding, thereby the requirement of the device of can not guaranteeing to press vertically vertical, the transverse horizontal that is in that operation requires.

The supporting part of the tool that presses commonly used is the formation that caves inward on this carrying board, and its shape size is very approaching with the motherboard of waiting to install the central processing unit radiator bearer, thereby, it only is fit to and waits to install the motherboard of a kind of model of motherboard of central processing unit radiator bearer, if and use the motherboard of novel species model instead, then must redesign this supporting part, cause the increase of production cost.

Only be provided with the pressure bar that radially runs through downwards in Qi Sijiao on the piece that presses of the tool that presses commonly used, its effective object is four jiaos of radiator bearer, and ignores four limits of radiator bearer, compresses to such an extent as to can not guarantee four limits of radiator bearer.

2. air pressure regulation and control aspect

Air pressure is non-adjustable in the cylinder of the tool that presses commonly used, can't determine appropriate down force pressure.

The tool that presses commonly used adopts to be controlled with manual type, presses not put after controlling button, and the piece that presses presses down, unclamp and control the button piece that then presses and rise,, often can not guarantee whether radiator bearer compresses and then cause virtual pressure because of artificial factor, and repeat to control for several times, efficient is lower.

The piece that presses of the tool that presses commonly used is non-adjustable in the last speed of depressing in the pressure process, and easily generation influences manual control because of speed is too high or too small.

3. control circuit aspect

The tool that presses commonly used is to adopt the 220V alternating current, and the circuit unit in its control circuit is high potential assembly, and cost is higher.

In the control circuit of the tool that presses commonly used, only adopt single switch to control and make the protectiveness deficiency, promptly when this switch during by misoperation, circuit promptly causes with connection does not expect the operation that occurs.

In the control circuit of the tool that presses commonly used, when circuit unit lost efficacy because of certain unknown factor, this circuit did not have the corresponding protection action to avoid misoperation.

[summary of the invention]

The purpose of this utility model is to provide a kind of radiator bearer tool that presses, can be in order to radiator bearer is installed in the central processing unit place of motherboard.

The purpose of this utility model is achieved through the following technical solutions: the utility model discloses a kind of radiator bearer tool that presses, can be in order to radiator bearer be installed in the central processing unit place of motherboard, it comprises a frame, one regulator and a control circuit, wherein, this frame adopts alignment pin location to wait to install the motherboard of radiator bearer, and sets up the elasticity pressure bar that presses and compress to guarantee radiator bearer and motherboard plate face; This regulator can be regulated determining appropriate downforce input air pressure, and the speed of may command input air pressure makes down and presses the pressure rate adjusted; This control circuit, this radiator bearer of may command tool that presses.

Compared with prior art, the utility model advantage is that this radiator bearer tool that presses carries out many improvement to the tool that presses commonly used, has avoided a lot of drawbacks, and detailed is described as follows:

1. mechanical structure aspect

This radiator bearer tool that presses is to adopt stronger metal of rigidity or metallic compound such as aluminium alloy to make, and rigidity strengthens, thereby the requirement of the device of can guaranteeing to press vertically vertical, the transverse horizontal that is in that operation requires.

The press carrying board of tool of this radiator bearer is provided with some alignment pins, and it can deploying have again avoided redesign to make this tool that presses according to waiting to install the motherboard shape size of radiator bearer, has saved production cost.

This radiator bearer presses and has additional pressure bar on four limits of the piece that presses of tool, but and is arranged with spring on it with four limits of guaranteeing radiator bearer also elastic compression.

2. air pressure regulation and control aspect

This radiator bearer tool that presses installs regulator additional, but air pressure is regulated to determine appropriate down force pressure in the countercylinder.

This radiator bearer presses and adopts in the control circuit of tool time-delay relay guaranteeing suitable pressing the time, and handles by automation and to have improved efficient, makes and needs controlling and only need now once get final product for several times under the manual type.

This radiator bearer presses and has used choke valve in the regulator of tool, and makes the piece that presses depress rate adjusted in the pressure process to determine appropriately only to press speed in last.

3. control circuit aspect

This radiator bearer tool that presses is to adopt 220V alternating current and the galvanic mixed circuit of 24V, and makes in the circuit assembly use the low pressure assembly instead based on DC loop, with the saving cost.

This radiator bearer presses in the control circuit of tool, adopts the two-in-series switch protection, promptly needs two hands to press simultaneously under the situation of two manipulation of switches, and circuit just can be connected.

This radiator bearer presses in the control circuit of tool, adds multiple relay protection, to guarantee that when circuit unit lost efficacy because of certain unknown factor this circuit still has the corresponding protection action to avoid misoperation.

The press control circuit of tool of this radiator bearer adopts the circuit modular design and installation, makes it easily to change and improvement.

[description of drawings]

With reference to the accompanying drawings, in conjunction with the embodiments the utility model is further described.

Fig. 1 is the stereogram of the tool that presses used always.

Fig. 2 is the control circuit figure of the tool that presses used always.

Fig. 3 is the press stereogram of tool of the utility model radiator bearer.

Fig. 4 is the press user mode cutaway view of tool of the utility model radiator bearer.

Fig. 5 is the press calcspar of regulator of tool of the utility model radiator bearer.

Fig. 6 is the press control circuit figure of tool of the utility model radiator bearer.

Fig. 7 is the press circuit diagram of another embodiment of control circuit of tool of the utility model radiator bearer.

[embodiment]

See also Fig. 3, the utility model radiator bearer tool that presses, comprising: a frame 100, a regulator 200 and a control circuit 300, it can be installed in radiator bearer 510 central processing unit 600 places on the motherboard 500.

This frame 100 is the improvement of the tool 1 that presses commonly used, is to adopt stronger metal of rigidity or metallic compound such as aluminium alloy to make, and comprises a carrying board 110 and an arm of force 120 that presses.This carrying board 110 is provided with plurality of fixed pin 112, fixedly to wait to install the motherboard of radiator bearer; The front end of this arm of force 120 that presses is the device 130 that presses, and comprise a cylinder 140, a piece 150 and a microscope carrier 114 that presses that presses, and this piece 150 that presses is to be connected in this cylinder 140 by radial axle 160.

Radially run through downwards on this piece 150 that presses and be provided with two groups of pressure bars 170 and 180, wherein, four jiaos of these pressure bars 180 that these pressure bars 170 are positioned at this piece 150 that presses then are positioned on four limits, and these pressure bars 180 expose the following part of this piece that presses and respectively are arranged with spring 190, and by a pressure head 182 this spring 190 are unlikely to come off.When these pressure bars 180 are squeezed the masterpiece time spent, can make progress start and this piece 150 that presses of emerging, simultaneously, elastic force effect by spring 190, and make these pressure bars 180 that the trend of downward start be arranged, keeping a metastable state, and then guarantee radiator bearer and pcb board plate face good hold down.

This microscope carrier 114 that presses is to be positioned on this carrying board 110, its corresponding these pressure bars 170 are provided with shrinkage pool 116, and evenly be provided with some rigid column 118 in the periphery of this microscope carrier 114 that presses, with in the process of pressing, the zone of motherboard desire installing radiator bearer is increased rigidity and prevents to damage by pressure.

See also Fig. 4, be this radiator bearer tool user mode cutaway view that presses.When the piece 150 that presses pressed down, pressure bar 180 was to be pressed on the frame of radiator bearer 510 to guarantee the effect that also is under pressure of this frame; Pressure bar 170 presses down the elastic rivet 520 of 510 4 jiaos of ends of radiator bearer, after making it pass radiator bearer 510 and motherboard 500 according to this, and be in the shrinkage pool 116, simultaneously, the buckle motherboard 500 by the elastic force of elastic rivet 520, and then this radiator bearer 510 is installed on the motherboard 500.

See also Fig. 5, this regulator 200 is voltage adjusting device improvement commonly used, it is installed in this cylinder 140 and between the equipment (as air pump) of this cylinder air feed, connects the air inlet and the gas outlet (figure does not show) of this cylinder 140 respectively by two conduits (figure does not show).This regulator 200 mainly comprises pressure regulation unit 210 and throttling unit 220, this pressure regulation unit 210 can carry out the adjusting of input air pressure according to an indication dial plate 230, and this throttling unit 220 has a choke valve 240, make with the speed of control input air pressure this piece 150 that presses on depress and press speed to be within the controlled range.

See also Fig. 6, this control circuit 300 is modularized design, comprise an ac circuit and flow back to the road always, this ac circuit adopts civil power 220V alternating current, this DC loop adopts the 24V direct current, and it is parallel with four loops, is respectively first loop 310, second loop 320, tertiary circuit 330 and the 4th loop 340.All adopt the voltage assembly that is complementary in each loop, comprise press-type switch S B1, SB2, SB3, SB4, relay J 1, J2, J3, time-delay relay T1, electromagnetically operated valve L and K switch 1, K2, K3, K4.

Wherein, press-type switch S B1, SB2 are the circuit control button, and SB3 is the protection button, and SB4 is a power supply supply button; Electromagnetically operated valve L is the circuit executive module, is the inflation of control cylinder 150 and gives vent to anger; K switch 1, K2, K3 are common switches and pass through relay J 1, J2, J3 control that K switch 4 also is common switch and passes through time-delay relay T1 control.

When this control circuit 300 of operation, the first step is pinned press-type switch S B4 connects ac circuit, relay J 3 control switch K3 closures, and DC loop is connected.

Second step was pressed press-type switch S B3 connects first loop 310, and relay J 2 control switch K2 closures are carried out the control circuit initialization operation.

The 3rd step pressed press-type switch S B1 simultaneously and SB2 connects second loop 320, and relay J 1 control switch K1 closure is connected the 3rd, the 4th loop 330,340,140 inflations of electromagnetically operated valve L control cylinder, and simultaneously, time-delay relay T1 picks up counting.

At this moment, if meet accident incident, pin press-type switch S B3 and then disconnect in second loop 320, relay J 1 control switch K1 disconnects, and the 4th loop 340 is disconnected, and electromagnetically operated valve L changes the cylinder charging operation and is the operation of giving vent to anger, and presses to reach the purpose of protection on the piece 150 that presses.

The 4th step was automatic processing procedure, time-delay relay T1 timing finishes, K switch 4 starts, first, second, the 4th loop 310,320,340 disconnects, relay J 1, J2 control switch K1, K2 disconnect, simultaneously, electromagnetically operated valve L changes the cylinder charging operation and is the operation of giving vent to anger, and straightening is to original position on the piece 150 that presses.Tertiary circuit 330 carries out moment and changes the road and still keep connecting because of K switch 4 is closed, but time-delay relay T1 restarts timing.

The 5th step still was automatic processing procedure, when time-delay relay T1 timing finishes, and K switch 4 starts, each loop reinstatement can be carried out next operation.

Another embodiment 400 of the control circuit of this creation sees also Fig. 7, only comprise and flow back to the road always and adopt the 24V direct current, and circuit still is to adopt each above-mentioned circuit unit, is parallel with first loop 410, second loop 420, tertiary circuit 430 on its major loop.

When this control circuit 400 of operation, the first step is pressed press-type switch S B1, SB2 simultaneously, and first loop 410 is connected, relay J 1 control switch K1 closure is connected second loop 420, and time-delay relay T1 picks up counting, simultaneously, tertiary circuit 430 is also connected, and electromagnetically operated valve L controls cylinder charging.At this moment, if meet accident, pin press-type switch S B3, first loop 410 is disconnected, relay J 1 control switch K1 disconnects, and tertiary circuit 430 is disconnected, and electromagnetically operated valve L control cylinder is given vent to anger, and presses to reach the protection purpose on the piece 150 that presses.

Second step was automatic processing procedure, and time-delay relay T1 timing finishes, K switch 4 starts, make first, tertiary circuit 410,430 disconnects, relay J 1 control switch K1 disconnects, simultaneously, electromagnetically operated valve L changes the cylinder charging operation and is the operation of giving vent to anger, and straightening is to original position on the piece 150 that presses.Tertiary circuit 430 carries out moment and changes the road and still keep connecting because of K switch 4 is closed, but time-delay relay T1 has restarted timing.

The 3rd step still was automatic processing procedure, when time-delay relay T1 timing finishes, and K switch 4 starts, each loop reinstatement can be carried out next operation.

This embodiment compares first embodiment, and structure is simple relatively, but on protectiveness, function is slightly not enough.

Claims (10)

1. radiator bearer tool that presses, it can be installed in radiator bearer the central processing unit place on the motherboard, comprise: a frame, a regulator and a control circuit, described frame comprises carrying board and an arm of force that presses, this end that presses before arm of force is the device that presses, comprise a cylinder, a piece and a microscope carrier that presses that presses, it is characterized in that: described carrying board is provided with some alignment pins, waits to install the motherboard of radiator bearer with the location; Radially run through being provided with two groups of pressure bars on the described piece that presses downwards, and wherein one group of pressure bar exposes this following part of piece that presses and is arranged with elastic device respectively, and make by a pressure head that this elastic device is unlikely to come off; Described regulator is to be installed in this cylinder and between the equipment of this cylinder air feed, can to regulate input air pressure, and the speed of may command input air pressure; Described this radiator bearer of control circuit may command tool that presses.

2. the radiator bearer as claimed in claim 1 tool that presses is characterized in that: described frame is to adopt stronger metal of rigidity or metallic compound such as aluminium alloy to make.

3. the radiator bearer as claimed in claim 1 tool that presses, it is characterized in that: the described piece that presses is to be connected in described cylinder by a radial axle.

4. the radiator bearer as claimed in claim 1 tool that presses is characterized in that: described two groups of pressure bars are distributed in respectively on four jiaos of the described piece that presses and four limits, and to be positioned at elastic device sheathed on the pressure bar on four limits be spring.

5. the radiator bearer as claimed in claim 1 tool that presses, it is characterized in that: the described microscope carrier that presses is to be positioned on the described carrying board, the pressure bar that its correspondence is positioned at described four jiaos of the pieces of pressing is provided with shrinkage pool, and evenly be provided with some rigid column in the periphery of the described microscope carrier that presses, with in the process of pressing, the zone of motherboard desire installing radiator bearer is increased rigidity and prevents to damage by pressure.

6. the radiator bearer as claimed in claim 1 tool that presses, it is characterized in that: described regulator mainly comprises pressure regulation unit and throttling unit, described pressure regulation unit can carry out the adjusting of input air pressure to determine suitable downforce according to an indication dial plate, and described throttling unit has a choke valve, make with the speed of control input air pressure the described piece that presses on depress speed and be within the controlled range, and be an air pump to the equipment of described cylinder air feed.

7. the radiator bearer as claimed in claim 1 tool that presses, it is characterized in that: described control circuit is modularized design, comprises an ac circuit, is the power control loop of described control circuit; And flowing back to the road always, the main control loop for described control circuit comprises: first loop is the control circuit initializing circuit; Second loop is artificial control circuit; Tertiary circuit is delay control circuit; And the 4th loop, be circuit executive module control circuit.

8. the radiator bearer as claimed in claim 1 tool that presses, it is characterized in that: described control circuit is modularized design, and is to flow back to the road always, comprising: first loop is artificial control circuit; Second loop is delay control circuit; And tertiary circuit, be circuit executive module control circuit.

9. as claim 7 or the 8 described radiator bearers tool that presses, it is characterized in that: the ac circuit of described control circuit adopts civil power 220V alternating current, and DC loop adopts the 24V direct current.

10. the radiator bearer as claimed in claim 9 tool that presses, in each loop of wherein said control circuit, the voltage assembly that employing is complementary, comprise the press-type switch, relay, time-delay relay, electromagnetically operated valve and switch, and the press-type switch is circuit control button, protection button and power supply supply button; Electromagnetically operated valve is the circuit executive module, is control cylinder charging and giving vent to anger; Switch is common switch and controls respectively by relay and time-delay relay.

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