CN100426943C - C-shape board drawing back machine and method for assembling electronic device having same board - Google Patents

Abstract

The present invention relates to an undrawing machine with a C-shaped plate. The undrawing machine comprises a supporting plate, a pair of first brackets, a pair of second brackets, a pair of stretching mechanisms and a controller. A plurality of fixed elements are arranged on the supporting plate. The first brackets can be glidingly fixed at both ends of the supporting plate. The second brackets are pivoted with the first brackets. The stretching mechanisms are fixed on the second brackets, and the stretching mechanisms can enter the inside of the C-shaped plate. The controller is used for electrically controlling the movement of the first brackets, the second brackets and the stretching mechanisms, and then the C-shaped plate is undrawn away. When the undrawing machine with a C-shaped plate is assembled, a base of an electronic device is arranged in the C-shaped plate after the C-shaped plate is undrawn away, and the controller controls the reverse movement of the first brackets, the second brackets and the stretching mechanisms. The C-shaped plate is deformed to be restored, and then the C-shaped plate and the base are assembled. Then, the undrawing machine with a C-shaped plate returns back to the initial state.

Description

C-shaped board pulling machine and method for assembling electronic device with C-shaped board

【Technical field】

The invention relates to a C-shaped plate puller and an assembly method of an electronic device with a C-shaped plate.

【Background technique】

With the increasing maturity of the electronics industry, consumers have shifted from purely functional demands of electronic products to the pursuit of their appearance design and personalized styling, and further require that the styling design of electronic products be coordinated with the working and living environment.

In the market, there was once a plastic shell covering the outside of the computer base. The plastic shell could be colored or transparent, so that the entire casing could match the surrounding environment. However, this design is limited by the disadvantages of the plastic itself, such as its weak strength, poor electromagnetic shielding effect, and the problem of environmental protection and recycling of plastics, so it is gradually replaced by metal cladding.

In response to the above needs, there is currently a case with a C-shaped metal plate on the outside of the base. Due to the requirements for aesthetics and practicality, the C-shaped plate is provided with a number of fixing pins on its inner side, and the base is provided with corresponding fixing pins. Pin hole. The C-shaped plate and the base require a tight, gap-free and firm fit. How to assemble the C-shaped plate on the base has become a bottleneck that the industry needs to solve, and manual assembly obviously cannot meet the requirements of mass production.

【Content of invention】

One of the technical problems to be solved by the present invention is to provide a mechanism for pulling apart a C-shaped board; the second technical problem to be solved by the present invention is to provide a method for assembling an electronic device with a C-shaped board.

The present invention solves the above-mentioned technical problems through the following technical solutions: the C-shaped plate pulling machine of the present invention is used to pull the C-shaped plate, which includes a support plate, a pair of first brackets, a pair of second brackets, a A pair of stretching mechanism, a pair of positioning mechanism and a controller. Several fixing elements are arranged on the support plate. The first brackets are slidably fixed at both ends of the support plate; the second brackets are pivotally fixed above the first brackets; the stretching mechanisms are fixed above the second brackets, which at least include a sliding frame, A third pneumatic cylinder, a sliding block and a wrenching body, the wrenching body can enter the inner side of the C-shaped plate driven by the third pneumatic cylinder; the controller is used to electrically control the first bracket, the second The movement of the two brackets and the stretching mechanism pulls the C-shaped plate apart. A method of using the C-shaped board to pull the electronic device of the C-shaped board, which is used to assemble the C-shaped board on the base to form an electronic device, comprising the following steps: fixing the C-shaped board on the C The shape plate pulls the support plate of the machine; the first bracket slides to the C-shaped plate; the pulling body of the stretching mechanism enters the C-shaped plate; the second support turns over the first support to turn the C-shaped plate over and deforms; the second A support slides away from the C-shaped plate and pulls the C-shaped plate apart; the base is accommodated in the C-shaped plate; the first support slides toward the C-shaped plate; accommodated in the pin hole of the base; the stretching mechanism withdraws from the C-shaped plate; and the first bracket slides away from the C-shaped plate to an initial position.

Through the above embodiments, the C-shaped plate can be pulled apart and the electronic device with the C-shaped plate can be assembled, and the production efficiency can be improved.

【Description of drawings】

Fig. 1 is a perspective view of a C-shaped plate pulling machine of the present invention.

Fig. 2 is a perspective view in another direction of the C-shaped plate pulling machine of the present invention.

Fig. 3 is a perspective view of a C-shaped plate fixed on a C-shaped plate pulling machine.

4 to 8 are schematic diagrams of the process of assembling the C-shaped board on the base.

【Detailed ways】

Please refer to Fig. 1 to Fig. 8, the C-shaped plate pulling machine 10 of the present invention comprises a support plate 12, a pair of first brackets 20, a pair of second brackets 40, a pair of stretching mechanisms, a pair of positioning mechanisms 70 and a controller 80 .

The C-shaped plate puller 10 is used for assembling electronic devices such as computer cases. The computer casing includes a C-shaped plate 1000 and a base 2000 formed by stamping, and the C-shaped plate 1000 includes a side plate 1001, a top plate 1003 and a bottom plate 1005 that form a smooth transition with the side plate 1001, and the bottom plate 1005 and the top plate 1003 Relative to bending a folded edge 1007 respectively, an opening (not numbered) is opened in the central position of the bottom plate 1005 and the top plate 1003, wherein the bottom plate 1005 and the top plate 1003 can be used as a handle at the same time, and the C-shaped plate 1000 connects the base 2000 The top, bottom and one side of the C-shaped plate 1000 are covered with a plurality of fixing pins 1009 protruding from the inner sides of the two folded edges 1007, and the upper and lower ends of the other side of the base 2000 are respectively formed corresponding to the fixing pins 1009 of the C-shaped plate 1000. Pin holes (not shown), when the C-shaped plate 1000 is assembled on the base 2000, its fixing pin 1009 is accommodated in the corresponding pin hole, because the fixing pin 1009 is located on the inside of the C-shaped plate 1000, the C-shaped There are no locking elements such as screws on the outside of the board 1000 .

Please refer to Fig. 2 and Fig. 3 together, the four corners of the support plate 12 are respectively provided with a foot (not shown), and a lifting platform 14 for supporting the casing is provided in the center, and the lifting platform 14 passes through a The fifth air cylinder 141 stretches and moves up and down. A plurality of positioning elements 121 , 123 and fixing elements 125 are arranged around the lifting table 14 , and these positioning elements 121 , 123 and fixing elements 125 are used to limit and fix the C-shaped plate 1000 . A pair of openings 129 are respectively spaced apart from two ends of the support plate 12 .

The first brackets 20 are respectively fixed above the openings 129 at two ends of the support plate 12 through a slide rail slider mechanism. The first brackets 20 are respectively provided with three sliding blocks 21a at intervals downward, and corresponding to the sliding blocks 21a, the support plate 12 is provided with three sliding rails 21b to cooperate with the sliding blocks 21a to form a sliding structure. A first air cylinder 23 is respectively disposed between the sliding rails 21 b , and one end of the first air cylinder 23 is fixed to the first bracket 20 . Two side edges of the support plate 12 are respectively provided with a stopper 25b adjacent to the outer sides of the slide rails 21b, and corresponding to the stoppers 25b, a stopper 25a is respectively provided at two ends of the first bracket 20 . The first bracket 20 defines a pair of openings 201 corresponding to the openings 129 of the support plate 12 . The first pneumatic cylinders 23 are electrically controlled by the controller 80 to push the first bracket 20 to move back and forth, and the baffle plate 25 a of the first bracket 20 cooperates with the stopper 25 b to prevent the first bracket 20 from over-traveling.

The second bracket 40 is arranged above the first bracket 20, and one side thereof is fixed to the first bracket 20 by a hinge mechanism, the hinge mechanism includes a support 27 fixed on the edge of the first bracket 20 and a support hinged on the first bracket 20. The support 27 is also disposed on the hinge portion 41 on the edge of the second bracket 40 . The second bracket 40 is pivotally connected to the ends of two second air cylinders 43, and these second air cylinders 43 are accommodated in the openings 201, 129 of the first bracket 20 and the support plate 12 respectively, and are fixed on the first Bracket 20. The second pneumatic cylinders 43 are electrically controlled by the controller 80 to push the second bracket 40 upwards, so that the second bracket 40 rotates counterclockwise relative to the first bracket 20 .

These stretching mechanisms are located above the second support 40, and each stretching mechanism is composed of a pair of component modules 50 symmetrically located at both ends of the second support 40. Each component module 50 includes a sliding frame and a third pneumatic cylinder 57 respectively. , A sliding block 53 and a wrenching body 55 are formed. The sliding frame includes two supporting blocks 51 and a pair of sliding rods 511 supported between the two supporting blocks 51 . The sliding block 53 defines a pair of through holes (not labeled) corresponding to the sliding rods 511 , and is sleeved on the sliding rods 511 . The wrenching body 55 is fixed on the end of the sliding block 53 . The third pneumatic cylinders 57 are respectively fixed to the second bracket 40 through a support base 571 , one end of which is connected to the sliding block 53 , and drives the sliding block 53 to reciprocate under the electrical control of the controller 80 .

These in-position mechanisms 70 are located in the middle of the component modules 50 of the stretching mechanism, which include a pair of fourth pneumatic cylinders 71, and a plate 73 is fixed at the end of these fourth pneumatic cylinders 71, and a pair of slots are arranged at intervals on the plate 73. 731 , the sliding block 53 of the stretching mechanism passes through these slots 731 . The fourth pneumatic cylinder 71 is electrically controlled by the controller 80 .

The controller 80 is a programmable logic controller (Programmable Logic Controller, PLC), which has been preset to control the first, second, third, fourth pneumatic cylinders 23, 43, 57, 71 and lifting platform 14 Program for the fifth pneumatic cylinder 141. The controller 80 is disposed on the supporting board 12 .

Please refer to Fig. 4 to Fig. 8 together, when assembling the computer casing, at first the C-shaped plate 1000 is fixed on the support plate 12 through the positioning elements 121, 123 and the fixing element 125, and the controller 80 is started, and the first air pressure The cylinders 23 are controlled to act, and the first bracket 20 is pushed to the C-shaped plate 1000, and after the pulling body 55 of the stretching mechanism passes through the opening of the C-shaped plate 1000, these first pneumatic cylinders 23 stop; The third pneumatic cylinders 57 are actuated, and these third pneumatic cylinders 57 drive the corresponding wrenching bodies 55 to move backwards until these wrenching bodies 55 are attached to the inner side of the flange 1007 of the C-shaped plate 1000, the bottom plate 1005 and the top plate 1003 and stop ; Afterwards, these second pneumatic cylinders 43 push up this second support 40, and this second support 40 rotates counterclockwise around the support 27 of first support 20, and the flanging 1007 of C-shaped plate 1000 is turned over a certain angle counterclockwise , the second pneumatic cylinder 43 stops; the first pneumatic cylinder 23 is controlled to drive the first bracket 20 to move in reverse, and the bottom plate 1005 of the C-shaped plate 1000 is pulled away from the top plate 1003; then a base 2000 is placed on the Inside the C-shaped plate 1000; start the controller 80 again, the first pneumatic cylinder 23 is controlled to push the first bracket 20 to move towards the base 2000, and when the C-shaped plate 1000 is close to the base 2000, the first pneumatic cylinder 23 stops; The two air cylinders 43 reversely move to drive the second bracket 40 to rotate clockwise, the folded edge 1007 of the C-shaped plate 1000 is deformed and restored, and its fixing pins 1009 extend into the corresponding pin holes of the base 2000, and a few of the fixing pins 1009 may did not enter the corresponding pin hole; the third pneumatic cylinder 57 acts in the reverse direction, and the puller 55 that drives the stretching mechanism moves in the reverse direction and disengages from the C-shaped plate 1000; after that, the fourth pneumatic cylinder 71 pushes the position of the mechanism 70 The plate body 73 presses the top plate 1003 and the bottom plate 1005 of the C-shaped plate 1000 to the base 2000, so that all the fixing pins 1009 of the C-shaped plate 1000 are accommodated in the pin holes of the base 2000; after that, the fourth pneumatic cylinder 71 reversely moves to drive The plate body 73 of the positioning mechanism 70 breaks away from the C-shaped plate 1000; then the first air cylinder 23 drives the first support 20 away from the C-shaped plate 1000; The assembled casing is jacked up to facilitate the removal of the casing, and finally the lifting platform 14 returns to the initial position under the drive of the fifth pneumatic cylinder 141 .

In the above-mentioned embodiments, each pneumatic cylinder used belongs to a pneumatic system, wherein other parts of the pneumatic system, such as the air supply subsystem, etc. are not shown, and the pneumatic system is controlled by an electrical control system composed of a controller; these The pneumatic cylinder can also be other driving devices, such as hydraulic cylinders and the like.

Claims (20)

1. A C-shaped plate puller for pulling apart a C-shaped plate, characterized in that: the C-shaped plate puller includes a support plate, at least one first support, at least one second support, at least one puller Extension mechanism and a controller, the support plate is provided with a number of fixing elements; the first bracket is slidably fixed on one end of the support plate through a first driving device; the second bracket is pivotally fixed on the first Above the bracket, a second driving device is arranged below the second bracket, and is driven by the second driving device to pivot; the stretching mechanism is fixed above the second bracket, which includes a pair of pulling bodies and a For the third driving device, these wrenching bodies can enter the inner side of the C-shaped plate driven by the third driving device of the stretching mechanism; the controller is used to electrically control the first driving device of the first bracket, the The second driving device and the third driving device of the stretching mechanism; after fixing the C-shaped plate to the support plate through these fixing elements, the controller controls the first driving device of the first bracket to drive the first bracket to slide to the C-shaped plate, and then control the third driving device of the stretching mechanism to make the wrenching bodies slide into the inner side of the C-shaped plate, and finally control the second driving device of the second bracket to turn the second bracket relative to the first bracket, and the The C-shaped plate is pulled apart. 2. The C-shaped plate pulling machine as claimed in claim 1, characterized in that: the support plate is provided with a plurality of slide rails at intervals, and a plurality of slide blocks matched with the slide rails of the support plate are provided below the first bracket . 3. The C-shaped plate puller according to claim 1, wherein the second bracket is provided with a hinge portion, and the first bracket is provided with a seat corresponding to the hinge portion of the second bracket. 4. The C-shaped plate pulling machine according to claim 1, wherein the stretching mechanism further comprises a pair of sliding frames and a pair of sliding blocks. 5. The C-shaped plate pulling machine according to claim 4, wherein the sliding frame includes two supporting blocks and a plurality of sliding bars supported between the two supporting blocks; the sliding block is slidably sleeved on These slide bars; the wrenching body is fixed at the end of the slide block. 6 . The C-shaped plate pulling machine according to claim 5 , wherein the third driving device of the stretching mechanism is fixed to the second bracket through a support base, and one end thereof is connected to the sliding block. 7 . 7. The C-shaped plate pulling machine as claimed in claim 5, characterized in that: the second bracket is adjacent to the stretching mechanism is provided with a positioning mechanism, the positioning mechanism includes a fourth driving device and the fourth driving device Connected panels. 8. The C-shaped plate pulling machine according to claim 7, characterized in that: at least one slot is opened on the plate body of the positioning mechanism for the sliding block of the stretching mechanism to pass through. 9. The C-shaped plate puller as claimed in claim 1, characterized in that: a lifting platform is provided at the central position of the supporting plate, and is driven up and down by at least one fifth driving device. 10. The C-shaped plate puller as claimed in claim 1, wherein the first, second and third driving devices are all pneumatic cylinders electrically controlled by a controller. 11. The C-shaped plate pulling machine according to claim 7, wherein the fourth driving device is a pneumatic cylinder electrically controlled by a controller. 12. The C-shaped plate pulling machine according to claim 9, wherein the fifth driving device is a pneumatic cylinder electrically controlled by a controller. 13. A method of using a C-shaped plate to pull and assemble an electronic device with a C-shaped plate, which is used to assemble the C-shaped plate on the base to form an electronic device, wherein the inner sides of the two folded edges of the C-shaped plate are respectively set There are a number of fixed pins, corresponding to these fixed pins, the base is provided with a number of pin holes, the C-shaped plate puller includes a support plate, at least one first bracket, at least one second bracket, at least one stretching mechanism and a A controller, the support plate is provided with a number of fixing elements; the first bracket is slidably fixed on one end of the support plate through a first driving device; the second bracket is pivotally fixed above the first bracket, and Driven by a second driving device to pivot; the stretching mechanism is fixed above the second bracket, which includes a pair of pulling bodies and a pair of third driving devices, and these pulling bodies are driven by the third drive of the stretching mechanism. Driven by the device, it can enter the inner side of the C-shaped plate; the controller is used to electrically control the first drive device of the first support, the second drive device of the second support and the third drive device of the stretching mechanism. The assembly method of the electronic device of the board includes the following steps: fixing the C-shaped board on the support plate of the C-shaped board pulling machine; the first bracket slides to the C-shaped board; The bracket is turned over relative to the first bracket to deform the edge of the C-shaped board; the first bracket slides away from the C-shaped board and pulls the C-shaped board; the base is accommodated in the C-shaped board; the first bracket slides toward the C-shaped board; The second bracket reverses, the deformation of the C-shaped plate recovers, and its fixing pin is accommodated in the pin hole of the base; the wrenching body of the stretching mechanism withdraws from the C-shaped plate; the first bracket slides away from the C-shaped plate to the initial position. 14. The method for assembling an electronic device with a C-shaped board as claimed in claim 13, wherein a positioning mechanism is provided adjacent to the stretching mechanism on the second bracket, and the positioning mechanism includes a fourth driving device and the The board to which the fourth driving device is connected. 15. The method for assembling an electronic device with a C-shaped board as claimed in claim 14, characterized in that: after the wrenching body of the stretching mechanism exits the C-shaped board, it further comprises a step: the in-position mechanism pushes the C-shaped board so that the fixing pin All are accommodated in the pin holes of the base, and the step: the positioning mechanism moves out the C-shaped plate. 16 . The method for assembling an electronic device with a C-shaped board as claimed in claim 13 , wherein a lifting platform is provided at a central position of the supporting board, and is driven up and down by at least one fifth driving device. 17 . 17. The method for assembling an electronic device with a C-shaped board as claimed in claim 16, characterized in that: after the first bracket slides away from the C-shaped board to the initial position, it further comprises the step of: lifting the lifting platform to lift the assembled The electronic device is ejected, and steps: the lifting platform descends to the initial position. 18. The method for assembling an electronic device with a C-shaped board as claimed in claim 13, wherein the first, second and third driving devices are all pneumatic cylinders electrically controlled by a controller. 19. The method for assembling an electronic device with a C-shaped board as claimed in claim 14, wherein the fourth driving device is a pneumatic cylinder electrically controlled by a controller. 20. The method for assembling an electronic device with a C-shaped board as claimed in claim 16, wherein the fifth driving device is a pneumatic cylinder electrically controlled by a controller.

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