Ejector pin structure and chip mounter

Abstract

The utility model discloses an ejector pin structure and a chip mounter, the ejector pin structure comprises a pedestal, a lifting assembly and an ejector pin assembly, the lifting assembly comprises a first mounting seat, a first sliding table and a driving member, the first mounting seat is fixedly arranged on the pedestal, the first sliding table is arranged on the first mounting seat through a first guide rail, and the first sliding table is arranged on the first mounting seat through a second guide rail. The driving part is arranged on one side of the base and is used for driving the first sliding table to move towards or away from the chip; the ejector pin assembly is installed on the first sliding table. According to the technical scheme, the problems that an existing ejector pin is large in structure and large in installation occupied space are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of chip demolding equipment, in particular to an ejector pin structure and a chip mounter. Background Art

[0002] The chip mounter is an essential device in the chip packaging process, and the chip material process is often transported with blue film as a carrier. When the chip is removed from the blue film, a pin structure will be set at the bottom of the blue film.

[0003] However, the existing ejector pin structure is relatively high, resulting in a large installation space, a large distance between the chip carrier blue film and the placement machine platform, and thus a problem of increasing the overall size of the placement machine. Utility Model Content

[0004] The main purpose of the utility model is to provide an ejector pin structure, aiming to solve the problem that the existing ejector pin structure is relatively large and occupies a large installation space.

[0005] To achieve the above-mentioned purpose, the ejector pin structure proposed by the utility model includes:

[0006] Pedestal;

[0007] A lifting assembly, the lifting assembly comprising a first mounting seat, a first slide and a driving member, the first mounting seat being fixed to the base, the first slide being mounted to the first mounting seat through a first guide rail and disposed on one side of the base, the driving member being used to drive the first slide to move toward or away from the chip; and

[0008] An ejector pin assembly is mounted on the first slide.

[0009] Optionally, the first mounting seat includes a first mounting plate, a second mounting plate and a reinforcing plate, the first mounting plate is fixed to the base, the second mounting plate is fixed to one end of the first mounting plate and is located on one side of the base, there is a preset angle between the second mounting plate and the first mounting plate, the reinforcing plate is connected to the first mounting plate and the second mounting plate, and the first slide is mounted on the second mounting plate through a first guide rail.

[0010] Optionally, the first slide includes a slide body and a third mounting plate, the slide body is mounted on the second mounting plate via a guide rail, the third mounting plate is fixed to one end of the slide body, and the ejector assembly is mounted on the third mounting plate.

[0011] Optionally, the driving member includes a second mounting seat, a driving motor, a screw, a bearing seat and a driving plate, the second mounting seat is fixed to the first mounting seat, the driving motor and the bearing seat are both fixed to the second mounting seat, one end of the screw is connected to the output end of the motor, and the other end passes through the third mounting plate to be connected to the bearing seat, and the screw is threadedly connected to the third mounting plate.

[0012] Optionally, the ejector assembly includes a support tube, an ejector and a lifting member, the support tube is fixed to the first slide, the ejector is movably installed inside the support tube, the lifting member is fixed to the first slide and located at the bottom of the support tube, and the lifting member is used to eject the ejector from the top of the support tube.

[0013] Optionally, the lifting member is configured as a linear drive module.

[0014] Optionally, the base includes a first linear module and a second linear module, the second linear module is stacked on the first linear module, the first mounting seat is fixed to the second linear module, the first linear module drives the second linear module to move in a first direction, and the second linear module drives the first mounting seat to move in a second direction, and the first direction and the second direction are parallel to the ground plane.

[0015] Optionally, the first linear module includes a second guide rail and a second slide, and the second slide is installed on the second guide rail.

[0016] Optionally, the second linear module includes a third guide rail and a third slide, the third guide rail is integrally formed with the second slide, the third slide is mounted on the third guide rail, and the first mounting seat is fixed to the third slide.

[0017] The utility model also provides a chip mounter, comprising a material taking component and an ejector structure, wherein the ejector structure is the ejector structure as described above.

[0018] The technical solution of the utility model adopts a method of arranging a first slide on the outside of the base, the first slide can move toward or away from the chip, and at the same time, a ejector assembly is installed on the first slide, so that the ejector assembly is arranged on the outside of the base, thereby reducing the overall height of the ejector structure, and then shortening the distance between the blue film and the placement machine, reducing the overall size of the placement machine, and thus solving the technical problems existing in the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0020] Figure 1 This is a structural schematic diagram of an embodiment of the ejector structure of the utility model;

[0021] Figure 2 for Figure 1 A schematic structural diagram of an embodiment of a middle base;

[0022] Figure 3 for Figure 1 A schematic structural diagram of an embodiment of the first mounting seat and the first slide;

[0023] Figure 4 for Figure 1 A schematic structural diagram of an embodiment of a middle lifting assembly;

[0024] Figure 5 for Figure 1 A schematic diagram of the side view of the ejector pin structure;

[0025] Figure 6 for Figure 5 Sectional view in the middle AA direction;

[0026] Figure 7 for Figure 6 Enlarged view of part A in the middle.

[0027] Description of Figure Numbers:

[0028]

[0029]

[0030] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0033] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0034] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing in the full text includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or a scheme that satisfies both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0035] The utility model provides an ejector pin structure.

[0036] In one embodiment of the utility model, the ejector structure includes a base 1, a lifting assembly 2 and an ejector assembly 3; the lifting assembly 2 includes a first mounting seat 210, a first slide 220 and a driving member 240, the first mounting seat 210 is fixedly arranged on the base 1, the first slide 220 is installed on the first mounting seat 210 through a first guide rail 230, the first slide 220 can slide on the first mounting seat 210 along the first guide rail 230 through the first guide rail 230, and is arranged on one side of the base 1, that is, the first slide 220 is arranged on one side of the base 1, which can reduce the overall height of the ejector structure, and the driving member 240 is used to drive The first slide 220 moves toward or away from the chip; the ejector assembly is installed on the first slide 220. In this embodiment, since the ejector assembly is installed on the first slide 220 and the first slide 220 is arranged on one side of the base 1, the ejector assembly is installed on one side of the base 1, thereby reducing the overall height of the ejector structure, reducing the distance between the blue film and the placement machine, and reducing the overall size of the placement machine, thereby solving the technical problems existing in the prior art. At the same time, the first slide 220 moves toward or away from the chip under the action of the driving member 240, so that the ejector assembly 3 can move toward or away from the chip, thereby cooperating with the material removal member to remove the chip from the blue film; Figure 1 shown.

[0037] The technical solution of the utility model adopts a method of arranging a first slide 220 on the outside of the base 1, and the first slide 220 can move toward or away from the chip. At the same time, a ejector assembly is installed on the first slide 220, so that the ejector assembly is arranged on the outside of the base 1, thereby reducing the overall height of the ejector structure, thereby reducing the distance between the blue film and the placement machine, reducing the overall size of the placement machine, and solving the technical problems existing in the prior art.

[0038] In one embodiment, reference Figure 3The first mounting seat 210 includes a first mounting plate 211, a second mounting plate 212 and a reinforcing plate 213, wherein the first mounting plate 211 is fixed to the base 1, wherein the first mounting plate 211 is fixed to the third slide 122 in the base 1, and the first mounting plate 211 is fixed to the third slide 122 by bolts, and the bolts can facilitate the disassembly and installation between the first mounting seat 210 and the third slide 122, and the second mounting plate 212 is fixed to one end of the first mounting plate 211 and is located on one side of the base 1, wherein the second mounting plate 212 and the first mounting plate 211 can be fixed by welding, and there is a preset angle between the second mounting plate 212 and the first mounting plate 211, wherein the angle between the second mounting plate 212 and the first mounting plate 211 is There is a preset angle of ninety degrees between the two, that is, the second mounting plate 212 is arranged perpendicular to the first mounting plate 211, and the reinforcing plate 213 is connected to the first mounting plate 211 and the second mounting plate 212. Under the action of the reinforcing plate 213, the connection stability between the first mounting plate 211 and the second mounting plate 212 can be improved. The first slide 220 is installed on the second mounting plate 212 through the first guide rail 230, that is, the first slide 220 is located on one side of the base 1, and the ejector assembly 3 is installed on the first slide 220. Under this structure, the overall height of the ejector structure can be reduced. At the same time, under the action of the reinforcing plate 213, the stability of the ejector assembly 3 and the base 1 can also be improved, so that the ejector assembly 3 is more stable when working, and the movement accuracy of the ejector assembly 3 is higher.

[0039] In other embodiments, the first mounting plate 211 , the second mounting plate 212 , and the reinforcing plate 213 may be integrally formed, and the stability of the first mounting seat 210 may be improved by the integrally formed member.

[0040] In one embodiment, reference Figure 3 The first slide 220 includes a slide body 221 and a third mounting plate 222, the slide body 221 is mounted on the second mounting plate 212 through a guide rail, the third mounting plate 222 is fixed to one end of the slide body 221, wherein the third mounting plate 222 is fixed to the bottom end of the slide body 221, and the ejector assembly 3 is mounted on the third mounting plate 222. Under this structure, the height of the ejector structure can be further reduced.

[0041] In one embodiment, reference Figure 4The driving member 240 includes a second mounting seat 241, a driving motor 242, a screw rod 243 and a bearing seat 244, wherein the second mounting seat 241 is fixed to the first mounting seat 210, wherein the second mounting seat 241 is fixed to the second mounting plate 212 of the first mounting seat 210, wherein the second mounting seat 241 and the second mounting plate 212 are fixed by bolts, the driving motor 242 and the bearing seat 244 are both fixed to the second mounting seat 241, one end of the screw rod 243 is connected to the output end of the motor, and the other end passes through the third mounting plate 222 and is connected to the bearing seat 244, the screw rod 243 is threadedly connected to the third mounting plate 222, and under this structure, the driving motor The motor 242 drives the screw rod 243 to rotate, and the screw rod 243 can drive the third mounting plate 222 to move, so that it drives the slide body 221 to move along the first guide rail 230. The mounting plate is moved away from or close to the chip by driving the motor 242 in the forward and reverse directions, so that the ejector assembly 3 is moved away from or close to the chip. At the same time, the lifting height of the ejector assembly 3 can be better controlled by the structures such as the driving motor 242 and the screw rod 243, and the control accuracy is higher and the use effect is better. At the same time, in this embodiment, the driving motor 242 can be selected with a smaller power, so that the size of the driving motor 242 is reduced, thereby reducing the overall size of the driving member 240, which has the effect of reducing the overall size of the ejector structure.

[0042] In one embodiment, reference Figure 6 , Figure 7The ejector assembly 3 includes a support tube 310, an ejector 330 and an ejector member 320. The support tube 310 is fixed to the first slide 220. The ejector is movably installed inside the support tube 310. The ejector member 320 is fixed to the first slide 220 and is located at the bottom of the support tube 310. The ejector member 320 is used to eject the ejector from the top of the support tube 310. A ejector rod 321 is provided in the ejector member 320. The ejector member 320 ejects the ejector from the top of the support tube 310 by lifting the ejector rod 321. In this embodiment, the support tube 310 is configured as follows: The negative pressure support tube 310 has an adsorption hole 311 on the top of the support tube 310. The first slide 220 is driven by the driving member 240 to move toward the chip. At this time, the support tube 310 can also move toward the chip, so that the support tube 310 and the carrier blue film of the chip are against each other. At this time, under the action of negative pressure, the adsorption hole 311 on the top of the support tube 310 can adsorb the blue film, and the ejector pin can be ejected from the adsorption hole 311 on the top of the support tube 310. At this time, the ejector 320 ejects the ejector pin 330 from the adsorption hole 311 on the top of the support tube 310 to pierce the blue film, so that the chip is separated from the blue film, and then cooperates with the material removal member to remove the chip from the blue film. In one embodiment, the ejector 320 is configured as a linear drive module. In this embodiment, the ejector 320 can be a linear drive module such as an electric telescopic rod and a cylinder to drive the ejector pin to approach or move away from the chip.

[0043] In one embodiment, reference Figure 2 The base 1 includes a first linear module 110 and a second linear module 120, the second linear module 120 is stacked on the first linear module 110, the first mounting seat 210 is fixed on the second linear module 120, the first linear module 110 drives the second linear module 120 to move in a first direction, and the second linear module 120 drives the first mounting seat 210 to move in a second direction, the first direction and the second direction are parallel to the ground plane, in this embodiment, there is a preset angle between the first direction and the second direction, wherein the angle between the first direction and the second direction can be ninety degrees, that is, the first direction is perpendicular to the second direction in the same plane. In other embodiments, there can be other angles between the first direction and the second direction, and under the action of the first linear module 110 and the second linear module 120, the ejector assembly 3 can be adjusted in the horizontal direction, so that the ejector assembly 3 can better correspond to the chip on the blue film.

[0044] In one embodiment, reference Figure 2, the first linear module 110 includes a second guide rail 111 and a second slide 112, and the second slide 112 is installed on the second guide rail 111. In this embodiment, the second slide 112 moves along the second guide rail 111. In one embodiment, the second linear module 120 includes a third guide rail 121 and a third slide 122, and the third guide rail 121 is integrally formed with the second slide 112. When the second slide 112 moves, it can drive the third guide rail 121 to move, thereby causing the second linear module 120 to move along the first direction. The third slide 122 is installed on the third guide rail 121, and the first mounting seat 210 is fixedly arranged on the third slide 122. When the third slide 122 moves along the third guide rail 121, it can drive the first mounting seat 210 to move, thereby causing the first mounting seat 210 to move along the second direction, wherein the first direction is Figure 2 The st1 direction in the second direction is Figure 2 The st2 direction in the.

[0045] The utility model also proposes a chip placement machine, which includes a material picking component and a ejector pin structure. The specific structure of the ejector pin structure refers to the above embodiment. Since the chip placement machine adopts all the technical solutions of all the above embodiments, it has at least all the beneficial effects brought by the technical solutions of the above embodiments, which will not be described one by one here.

[0046] The above description is only an optional embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A ejector pin structure, characterized in that: include: Pedestal; A lifting assembly, the lifting assembly comprising a first mounting seat, a first slide and a driving member, the first mounting seat being fixed to the base, the first slide being mounted to the first mounting seat through a first guide rail and arranged on one side of the base, the driving member being used to drive the first slide to move toward or away from the chip; as well as An ejector pin assembly is mounted on the first slide.

2. The ejector pin structure according to claim 1, characterized in that: The first mounting seat includes a first mounting plate, a second mounting plate and a reinforcing plate, the first mounting plate is fixed to the base, the second mounting plate is fixed to one end of the first mounting plate and is located on one side of the base, there is a preset angle between the second mounting plate and the first mounting plate, the reinforcing plate is connected to the first mounting plate and the second mounting plate, and the first slide is mounted on the second mounting plate through a first guide rail.

3. The ejector pin structure according to claim 2, characterized in that: The first slide comprises a slide body and a third mounting plate, the slide body is mounted on the second mounting plate via a guide rail, the third mounting plate is fixed to one end of the slide body, and the ejector assembly is mounted on the third mounting plate.

4. The ejector pin structure according to claim 3, characterized in that: The driving member includes a second mounting seat, a driving motor, a screw rod, a bearing seat and a driving plate. The second mounting seat is fixed to the first mounting seat, and the driving motor and the bearing seat are both fixed to the second mounting seat. One end of the screw rod is connected to the output end of the motor, and the other end passes through the third mounting plate and is connected to the bearing seat. The screw rod is threadedly connected to the third mounting plate.

5. The ejector pin structure according to claim 1, characterized in that: The ejector assembly includes a support tube, an ejector and a lifting member. The support tube is fixed to the first slide, the ejector is movably installed inside the support tube, the lifting member is fixed to the first slide and located at the bottom of the support tube, and the lifting member is used to eject the ejector from the top of the support tube.

6. The ejector pin structure according to claim 5, characterized in that: The lifting member is configured as a linear drive module.

7. The ejector pin structure according to claim 1, characterized in that: The base includes a first linear module and a second linear module, the second linear module is stacked on the first linear module, the first mounting seat is fixed to the second linear module, the first linear module drives the second linear module to move in a first direction, and the second linear module drives the first mounting seat to move in a second direction, and the first direction and the second direction are parallel to the ground plane.

8. The ejector pin structure according to claim 7, characterized in that: The first linear module includes a second guide rail and a second slide, and the second slide is installed on the second guide rail.

9. The ejector pin structure according to claim 8, characterized in that: The second linear module includes a third guide rail and a third slide, the third guide rail is integrally formed with the second slide, the third slide is mounted on the third guide rail, and the first mounting seat is fixed on the third slide.

10. A chip mounter, characterized in that: It comprises a material taking piece and an ejector pin structure, wherein the ejector pin structure is the ejector pin structure according to any one of claims 1 to 9.

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