Force control adsorption device and die bonder

Abstract

The utility model relates to the technical field of die bonders, and discloses a force control adsorption device and a die bonder, and the force control adsorption device comprises a supporting plate, a clamping seat, a suction nozzle, a stress member, a supporting assembly, a fixing member, and a force control spring. According to the application, the force control spring can stably control the magnitude of the pressure applied to the suction nozzle by arranging the stress piece, the supporting assembly and the fixing piece, and the mounting hole is formed in the supporting plate and the sliding groove is formed in the clamping seat, so that the moving direction of the suction nozzle and the conduction direction of the pressure are controlled; due to the fact that one end of the force control spring is arranged on the fixing piece in a sleeving mode, and the other end of the force control spring abuts against the stress piece, when the force control spring is replaced, only the fixing piece needs to be detached from the stress plate, and convenience and rapidness are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to die bonder technical field especially relates to a force control adsorption device and die bonder. BACKGROUND

[0002] At present, the die bonder usually adopts the way of suction nozzle adsorption when moving the chip, in order to ensure the stability of adsorption, the suction nozzle will also exert a certain pressure on the chip before adsorption, so as to ensure that the suction nozzle and the chip can be mutually attached, thereby ensuring the stability of adsorption.

[0003] The existing die bonder usually adopts force control spring to exert pressure, in order to ensure that the pressure exerted by the force control spring is stable enough, the force control spring is often set as an integral structure with the suction nozzle, but the existing die bonder often needs to handle different specifications of chips, so it is necessary to replace the force control spring with different force control ranges, and the existing die bonder can only replace the suction nozzle and the force control spring together, which is very inconvenient. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a force control adsorption device and die bonder, which can not only ensure that the pressure exerted by the force control spring is stable enough, but also conveniently replace the force control spring.

[0005] In order to achieve the above-mentioned purpose, the utility model provides a force control adsorption device, which comprises a supporting plate, a clamping seat, a suction nozzle, a force receiving piece, a supporting assembly, a fixing piece and a force control spring, the top surface of the supporting plate is provided with a mounting hole, the clamping seat is arranged on the top surface of the supporting plate and is spaced apart from the mounting hole, the top surface of the clamping seat is provided with a sliding groove, the sliding groove penetrates through one side of the clamping seat facing the mounting hole, the suction nozzle is slidingly connected to the mounting hole, and the top end and the bottom end of the suction nozzle both protrude out of the mounting hole, the side surface of the suction nozzle is provided with a protrusion slidingly connected to the sliding groove, the force receiving piece is arranged on the top outer side of the suction nozzle, the supporting assembly comprises a supporting plate and a force receiving plate, the supporting plate is arranged on the top surface of the supporting plate, the force receiving plate is arranged on one side of the supporting plate facing the suction nozzle and extends towards the suction nozzle, the fixing piece is detachably connected to the force receiving plate, and the bottom end penetrates through the force receiving plate and corresponds to the force receiving piece, one end of the force control spring is sleeved on the bottom end of the fixing piece, and the other end abuts against the force receiving piece.

[0006] Optionally, the force receiving piece comprises a first extension part and a second extension part, the first extension part is arranged on one side of the suction nozzle facing the supporting plate and extends along the height direction of the supporting plate, one end of the second extension part is connected to the bottom end of the first extension part, and the other end extends towards the supporting plate, and the other end of the force control spring abuts against the top surface of the second extension part.

[0007] Optionally, the top surface of the force receiving part has a guide column, the bottom of the fixing part has a convex edge, one end of the force control spring is sleeved on the bottom end of the fixing part and abuts against the bottom surface of the convex edge, and the other end of the force control spring is sleeved on the guide column and abuts against the top surface of the force receiving part.

[0008] Optionally, the force receiving part and the convex part are symmetrically arranged along the axis direction of the suction nozzle, and the second extension part of the force receiving part can abut against the top surface of the supporting plate as the convex part slides into the bottom end of the sliding groove.

[0009] Optionally, the top surface of the second extension part is provided with a limiting groove, and the guide column is arranged in the limiting groove.

[0010] Optionally, the displacement sensor further comprises a sensing part and a displacement plate, the displacement plate is arranged on the side surface of the supporting plate, the sensing part is arranged on the top of the suction nozzle and is correspondingly arranged with the displacement plate, and the sensing part is used for detecting the moving distance of the displacement plate relative to the suction nozzle.

[0011] In order to achieve the same purpose, the application further provides a die bonding machine, which comprises a driving mechanism and the force control suction device as described above, the force control suction device is connected with the driving mechanism, and the driving mechanism is used for driving the force control suction device to move.

[0012] Optionally, the driving mechanism comprises a steering control assembly, the steering control assembly comprises a rotating motor and a transmission belt, the rotating motor is arranged on the supporting plate and is spaced apart from the suction nozzle, the suction nozzle comprises a shaft body and a cap body, the force control suction device further comprises a sleeve body, the sleeve body is rotationally connected with the supporting plate, the output end of the rotating motor is transmissionally connected with the sleeve body through the transmission belt, the sleeve body has a sliding hole extending along the height direction of the supporting plate, the shaft body is inserted into the sliding hole and protrudes from both ends of the sleeve body, the sliding hole has a sliding groove extending along the height direction of the supporting plate, the outer circumferential surface of the shaft body has a sliding strip matched with the sliding groove, the sliding strip is slidingly connected with the sliding groove, the cap body is sleeved on the top of the shaft body, the shaft body is rotationally connected with the cap body, and the force receiving part is arranged on the top of the cap body.

[0013] Optionally, the steering control assembly comprises a first transmission wheel and a second transmission wheel, the first transmission wheel is arranged on the output end of the rotating motor, the second transmission wheel is sleeved on the sleeve body, and the first transmission wheel and the second transmission wheel are transmissionally connected through the transmission belt.

[0014] Optionally, the steering control assembly further comprises a rotation sensor, the rotation sensor is arranged on the supporting plate and is correspondingly arranged with the first transmission wheel, and the rotation sensor is used for identifying the rotation angle of the first transmission wheel.

[0015] The utility model discloses an embodiment of force control adsorption device and die bonder compares with prior art, its beneficial effect lies in: the application is through setting force -receiving member, support subassembly and fixed part, make force control spring can stably control the pressure size that is applied to suction nozzle, and through setting mounting hole on the supporting plate and setting the sliding slot on the clamping seat, control the direction of suction nozzle movement and the conduction direction of pressure, in addition, since one end of force control spring is set on the fixed part, the other end is abutted on force -receiving member, make when replacing force control spring, only need to detach the fixed part from the force -receiving board, and since suction nozzle is through the limiting of mounting hole and the sliding slot set on the clamping seat, and force control spring and suction nozzle are interval arrangement, when detaching force control spring, not only can have enough operation space, also can not cause the drop of suction nozzle. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structure schematic diagram of the force control adsorption device and the drive mechanism of the utility model embodiment;

[0017] Figure 2 It is the side view of the utility model embodiment Figure 1 ;

[0018] Figure 3 It is the top view of the utility model embodiment Figure 1 ;

[0019] Figure 4 It is the transmission structure schematic diagram of the force control adsorption device and the drive mechanism of the utility model embodiment;

[0020] Figure 5 It is the connection structure schematic diagram of the support subassembly, the fixed part, the force control spring and the force -receiving member of the utility model embodiment;

[0021] Figure 6 It is the relative position schematic diagram of the fixed part and the force -receiving member of the utility model embodiment;

[0022] Figure 7 It is the structure schematic diagram of the suction nozzle, the sleeve and the second transmission wheel of the utility model embodiment;

[0023] Figure 8 It is the top view of the utility model embodiment Figure 7 ;

[0024] Figure 9 It is the sectional view in A-A direction of the utility model embodiment Figure 8 ;

[0025] In the figure, 1, force control adsorption device; 11, supporting plate; 12, clamping seat; 121, sliding groove; 13, suction nozzle; 131, protrusion; 132, shaft body; 1321, sliding bar; 133, cap body; 134, adsorption part; 14, force receiving part; 141, first extension part; 142, second extension part; 1421, limiting groove; 143, guide column; 15, supporting assembly; 151, supporting plate; 152, force receiving plate; 16, fixing part; 161, convex edge; 17, force control spring; 18, displacement sensor; 181, induction part; 182, displacement plate; 19, sleeve; 191, sliding groove; 2, driving mechanism; 21, steering control assembly; 211, rotating motor; 212, transmission belt; 213, first transmission wheel; 214, second transmission wheel; 215, rotation sensor. DETAILED DESCRIPTION

[0026] The specific embodiments of the present application will be further described in conjunction with the drawings and examples. The following examples are used to illustrate the present application, but not to limit the scope of the present application.

[0027] It should be noted that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or indirectly connected to the other element.

[0028] It should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the present application and simplify the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0029] In addition, the terms "first", "second" are only used for description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0030] As Figures 1-6As shown, the utility model discloses a force control adsorption device 1, including: the supporting plate 11, the clamping seat 12, the suction nozzle 13, the stressed member 14, the support assembly 15, the fixed part 16 and force control spring 17, the top of supporting plate 11 has mounting hole, the clamping seat 12 is located at the top of supporting plate 11, and is arranged at the interval with mounting hole, the top of clamping seat 12 has the chute 121, and the chute 121 is through clamping seat 12 and is towards the one side of mounting hole, the suction nozzle 13 is slidably connected in mounting hole, and the top end and the bottom end of suction nozzle 13 all protrude in mounting hole, and the side of suction nozzle 13 is equipped with the convex 131 slidably connected in the chute 121, the stressed member 14 is located at the top outside of suction nozzle 13, the support assembly 15 includes support plate 151 and stressed plate 152, and support plate 151 is located at the top of supporting plate 11, and stressed plate 152 is located at the one side of support plate 151 and extends towards suction nozzle 13, the fixed part 16 is detachably connected to stressed plate 152, and the bottom end passes through stressed plate 152 and corresponds with stressed member 14, one end of force control spring 17 is sleeved in the bottom end of fixed part 16, and the other end is in abutment with stressed member 14.

[0031] Based on the above scheme, the stressed member 14, the support assembly 15 and the fixed part 16 are arranged, so that the force control spring 17 can stably control the pressure applied on the suction nozzle 13, and the mounting hole is arranged on the supporting plate 11 and the chute 121 is arranged on the clamping seat 12, so as to control the moving direction of the suction nozzle 13 and the transmission direction of the pressure. In addition, since one end of the force control spring 17 is sleeved on the fixed part 16 and the other end is in abutment with the stressed member 14, when the force control spring 17 is replaced, the fixed part 16 only needs to be detached from the stressed plate 152. Since the suction nozzle 13 is limited by the mounting hole and the chute 121 arranged on the clamping seat 12, and the force control spring 17 and the suction nozzle 13 are arranged at intervals, when the force control spring 17 is detached, there is enough operation space, and the suction nozzle 13 will not fall off.

[0032] As shown in Figure 5 and Figure 6 In order to ensure that the pressure applied by the force control spring 17 is stable enough, the stressed member 14 includes a first extension 141 and a second extension 142. The first extension 141 is arranged on the side of the suction nozzle 13 facing the support plate 151 and extends along the height direction of the supporting plate 11. One end of the second extension 142 is connected to the bottom end of the first extension 141, and the other end extends towards the support plate 151. The other end of the force control spring 17 abuts against the top surface of the second extension 142. By arranging the shape of the stressed member 14, the pressure applied by the force control spring 17 can be better transmitted to the suction nozzle 13.

[0033] As shown in Figure 5 and Figure 6As shown in the drawings, in order to facilitate the control of the force control spring 17, the top surface of the second extension part 142 is provided with a guide column 143, the bottom outer side of the fixing part 16 is provided with a protruding edge 161, one end of the force control spring 17 is sleeved on the bottom end of the fixing part 16 and abuts against the bottom surface of the protruding edge 161, the other end is sleeved on the guide column 143 and abuts against the top surface of the second extension part 142, the direction of the expansion and contraction of the force control spring 17 is controlled by the bottom of the fixing part 16 and the guide column 143, and the force control spring 17 is limited by the protruding edge 161 and the top surface of the second extension part 142.

[0034] As shown in the drawings, Figure 3 and Figure 4 As shown in the drawings, in order to facilitate the disassembly of the force control spring 17, the force receiving part 14 and the protrusion 131 are symmetrically arranged along the axis direction of the suction nozzle 13, and when the protrusion 131 slides into the bottom end of the sliding groove 121, the second extension part 142 of the force receiving part 14 can abut against the top surface of the holder 11, so that when the force control spring 17 is disassembled, the suction nozzle 13 can be supported by the force receiving part 14 and the clamping seat 12 together, thereby avoiding the position of the suction nozzle 13 from being deviated.

[0035] As shown in the drawings, Figure 6 As shown in the drawings, in order to facilitate the installation of the force control spring 17, the top surface of the second extension part 142 is provided with a limiting groove 1421, and the guide column 143 is arranged in the limiting groove 1421, so that when the force control spring 17 is assembled, the bottom of the force control spring 17 can be limited by the limiting groove 1421 and the guide column 143 together.

[0036] As shown in the drawings, Figure 1 and Figure 4 As shown in the drawings, in order to facilitate the identification of the pressure applied by the force control spring 17, a displacement sensor 18 is further included, the displacement sensor 18 includes a sensing part 181 and a displacement plate 182, the displacement plate 182 is arranged on the side surface of the holder 11, and the sensing part 181 is arranged on the top of the suction nozzle 13 and is correspondingly arranged with the displacement plate 182, the sensing part 181 is used for detecting the moving distance of the displacement plate 182 relative to the suction nozzle 13, that is, the compression amount of the force control spring 17, the pressure applied by the force control spring 17 is calculated by calculating the compression amount of the force control spring 17, and since the displacement sensor 18 is arranged at a position, the disassembly of the force control spring 17 is not affected.

[0037] As shown in the drawings, Figure 1 As shown in the drawings, the utility model discloses a die bonder, which comprises a driving mechanism 2 and the force control suction device 1 as described above, the force control suction device 1 is connected with the driving mechanism 2, and the driving mechanism 2 is used for driving the force control suction device 1 to move.

[0038] As shown in the drawings, Figures 2-9As shown, in order to realize the rotating function of the suction nozzle 13, the driving mechanism 2 comprises a steering control assembly 21, the steering control assembly 21 comprises a rotating motor 211 and a transmission belt 212, the rotating motor 211 is arranged on the supporting plate 11 and is arranged in a spaced manner with the suction nozzle 13; the suction nozzle 13 comprises a shaft body 132 and a cap body 133, the force control adsorption device 1 further comprises a sleeve body 19, the sleeve body 19 is rotationally connected to the supporting plate 11, and the output end of the rotating motor 211 is drivingly connected to the sleeve body 19 through the transmission belt 212, the sleeve body 19 has a sliding hole extending along the height direction of the supporting plate 11, the shaft body 132 is inserted into the sliding hole and protrudes from both ends of the sleeve body 19, the sliding hole has a sliding groove 191 extending along the height direction of the supporting plate 11, the outer circumferential surface of the shaft body 132 has a sliding strip 1321 matched with the sliding groove 191, the sliding strip 1321 is slidingly connected to the sliding groove 191, the cap body 133 is sleeved on the top of the shaft body 132, and the shaft body 132 is rotationally connected to the cap body 133, and the force receiving piece 14 is arranged on the outside of the top of the cap body 133.

[0039] As shown in Figures 7-9 , the suction nozzle 13 further comprises an adsorption portion 134, the adsorption portion 134 is sleeved on the bottom of the shaft body 132, and is used for adsorbing the chip.

[0040] As shown in Figure 2 , in order to facilitate the control of the rotation of the suction nozzle 13, the steering control assembly 21 comprises a first transmission wheel 213 and a second transmission wheel 214, the first transmission wheel 213 is arranged on the output end of the rotating motor 211, the second transmission wheel 214 is sleeved on the sleeve body 19, and the first transmission wheel 213 and the second transmission wheel 214 are drivingly connected through the transmission belt 212.

[0041] As shown in Figure 2 and Figure 4 , in order to facilitate the control of the rotation of the suction nozzle 13, the steering control assembly 21 further comprises a rotation sensor 215, the rotation sensor 215 is arranged on the supporting plate 11 and is arranged in a corresponding manner with the first transmission wheel 213, and the rotation sensor 215 is used for identifying the rotation angle of the first transmission wheel 213.

[0042] In conclusion, the force control adsorption device 1 and die bonder provided by the embodiments of the present application can stably control the pressure applied on the suction nozzle 13 through the setting of the force receiving member 14, the supporting assembly 15 and the fixing member 16, and can control the moving direction of the suction nozzle 13 and the conducting direction of the pressure through the setting of the mounting hole on the supporting plate 11 and the sliding groove 121 on the clamping seat 12. In addition, since one end of the force control spring 17 is sleeved on the fixing member 16 and the other end is abutted on the force receiving member 14, when the force control spring 17 is replaced, the fixing member 16 can be only disassembled from the force receiving plate 152, and since the suction nozzle 13 is limited through the mounting hole and the sliding groove 121 on the clamping seat 12 and the force control spring 17 and the suction nozzle 13 are spaced, when the force control spring 17 is disassembled, not only sufficient operation space can be provided, but also the suction nozzle 13 will not be detached.

[0043] The above only describes the preferred embodiments of the present application, and it should be noted that those skilled in the art can make several improvements and replacements without departing from the technical principles of the present application, and these improvements and replacements should also be considered as the protection scope of the present application.

Claims

1. A force-controlled suction device, characterized in that The force control adsorption device comprises a supporting plate, a force receiving piece, a support assembly, a fixing piece and a force control spring. The top surface of the supporting plate is provided with a mounting hole. The clamping base is arranged on the top surface of the supporting plate and is spaced apart from the mounting hole. The suction nozzle is slidably connected to the mounting hole, and the top end and the bottom end of the suction nozzle protrude out of the mounting hole. The force receiving piece is arranged on the top side of the suction nozzle. The support assembly comprises a support plate and a force receiving plate. The fixing piece is detachably connected to the force receiving plate, and the bottom end of the fixing piece penetrates through the force receiving plate and corresponds to the force receiving piece. One end of the force control spring is sleeved on the bottom end of the fixing piece, and the other end abuts against the force receiving piece. The force receiving piece comprises a first extension and a second extension.

2. The force-controlled suction device of claim 1, wherein, The top surface of the second extension is provided with a guide column.

3. The force-controlled suction device of claim 2, wherein, The bottom side of the fixing piece is provided with a convex edge.

4. The force-controlled suction device of claim 2, wherein, The force receiving piece and the convex edge are symmetrically arranged along the axis direction of the suction nozzle.

5. The force-controlled suction device of claim 3, wherein, The second extension of the force receiving piece can abut against the top surface of the supporting plate as the convex edge slides into the bottom end of the sliding groove.

6. The force-controlled suction device of claim 1, wherein, The top surface of the second extension is provided with a limiting groove.

7. A die bonder, characterized by comprising: The guide column is arranged in the limiting groove.

8. The die bonder of claim 7, wherein the die bonder further comprises: The displacement sensor comprises a sensing portion and a displacement plate. The displacement plate is arranged on the side surface of the supporting plate. The sensing portion is arranged on the top portion of the suction nozzle and corresponds to the displacement plate. The sensing portion is used for detecting the moving distance of the displacement plate relative to the suction nozzle. The force control adsorption device is connected with the driving mechanism. The driving mechanism is used for driving the force control adsorption device to move. The driving mechanism comprises a steering control assembly. The steering control assembly comprises a rotating motor and a transmission belt. The rotating motor is arranged on the supporting plate and is spaced apart from the suction nozzle. The nozzle comprises a shaft body and a cap body, the force control suction device further comprises a sleeve body, the sleeve body is rotationally connected to the supporting plate, and an output end of the rotation motor is in transmission connection with the sleeve body through the transmission belt, the sleeve body has a sliding hole extending along the height direction of the supporting plate, the shaft body is inserted into the sliding hole and protrudes from both ends of the sleeve body, the sliding hole has a sliding groove extending along the height direction of the supporting plate, the outer circumferential surface of the shaft body is provided with a sliding strip matched with the sliding groove, the sliding strip is in sliding connection with the sliding groove, the cap body is sleeved on the top of the shaft body, and the shaft body is rotationally connected to the cap body, and the force receiving member is arranged outside the top of the cap body.

9. The die bonder of claim 8, wherein the die bonder further comprises: The steering control assembly comprises a first transmission wheel and a second transmission wheel, the first transmission wheel is arranged on the output end of the rotation motor, the second transmission wheel is sleeved on the sleeve body, and the first transmission wheel and the second transmission wheel are in transmission connection through the transmission belt.

10. The die bonder of claim 9, wherein the die bonder further comprises: The steering control assembly further comprises a rotation sensor, the rotation sensor is arranged on the supporting plate and corresponds to the first transmission wheel, and the rotation sensor is used for identifying the rotation angle of the first transmission wheel.

Images