wire changing device

Abstract

The utility model discloses a kind of line changing devices, it is related to patching machine technical field, wherein, line changing device is used for patching machine, it includes fixed frame and mounting bracket, line changing device further includes locking portion, installation part and rotating portion.Locking portion, it can be fixedly installed relative to fixed frame;Installation part is used to fixedly connect mounting bracket;Rotating portion is oppositely arranged with locking portion and installation part in first direction, and it is between locking portion and installation part, rotating portion can be linearly active along first direction, and can be along the axis of rotation of first direction extension activity, rotating portion and installation part are relatively rotationally stopped;In the technical scheme of the utility model, one chuck and another chuck can be mutually engaged by spring structure, form tight connection, effectively prevent the panel deviation loosening caused by vibration or other external force, provide firm support by the panel clamped in clamping groove, facilitate the quick installation and disassembly of panel, improve operating efficiency.

Description

Technical Field

[0001] This utility model relates to the field of chip mounter technology, and in particular to a line changing device. Background Technology

[0002] SMT, short for Surface Mount Technology, is one of the core technologies in the electronics manufacturing industry. It achieves efficient assembly by directly mounting micro-electronic components onto the surface of printed circuit boards. The SMT pick-and-place machine is the core equipment in the surface mount technology production line. It is mainly used to accurately place surface mount components onto the pads of printed circuit boards. When switching from product A to product B during production, the materials for product B need to be installed on the SMT pick-and-place machine first. Then, the barcode is scanned for barcode comparison. Based on the comparison results, the installed materials and the quantity of materials replaced can be checked.

[0003] In the prior art, such as patent number CN215345706U, a device for quick line change of a pick-and-place machine is disclosed. When the angle of the panel needs to be adjusted, the operator first separates the limiting device from the card slot. Then, the operator can push the panel to change the angle of the panel. When the panel reaches the appropriate scanning angle, the limiting device can be put into contact with the card slot, so that the card slot cannot rotate. This allows for quick angle adjustment of the panel, which is convenient for the operator to scan the code and improves the efficiency of line change.

[0004] The aforementioned patent uses a friction pad against the outside of the mounting cylinder to prevent the panel from moving and adjusting the angle. Since the feeder of the pick-and-place machine vibrates during normal use, and the friction pad and the mounting cylinder only fit together for positioning, the stability is easily affected, causing the panel angle to shift and affecting its use. Utility Model Content

[0005] The main purpose of this utility model is to propose a line-changing device that aims to solve the problem that the panel angle of traditional line-changing devices is prone to shift during use.

[0006] To achieve the above objectives, the present invention proposes a line-changing device for a pick-and-place machine. The line-changing device includes a fixing frame and a mounting frame, the mounting frame being used for panel mounting. The line-changing device further includes:

[0007] The locking part can be fixedly installed relative to the fixing frame;

[0008] A mounting section for securely connecting the mounting bracket; and,

[0009] A rotating part is arranged opposite to the locking part and the mounting part in a first direction and is located between the locking part and the mounting part. The rotating part can move linearly in the first direction and can rotate along an axis extending in the first direction. The rotating part and the mounting part are relatively anti-rotating.

[0010] The rotating part moves linearly toward the locking part and abuts against the locking part, so that the locking part, the rotating part, and the mounting part all stop rotating relative to each other; the rotating part moves linearly away from the locking part, so that the rotating part and the mounting part can rotate synchronously relative to the locking part.

[0011] In one embodiment, two anti-rotation coupling parts are provided on the locking part and the rotating part respectively, and the two anti-rotation coupling parts can abut against each other to prevent rotation.

[0012] In one embodiment, the anti-rotation coupling part includes a chuck with a plurality of teeth arranged circumferentially on the chuck, and a groove is formed between two adjacent teeth. The teeth of one chuck are engaged in the groove of the other chuck, so that the two chucks are prevented from rotating.

[0013] In one embodiment, an elastic element is provided between the rotating part and the mounting part to drive the rotating part to abut against the locking part.

[0014] In one embodiment, the fixing frame is provided with a fixing rod portion, and the fixing rod portion is provided with a mounting hole portion that extends through in a first direction;

[0015] The rotating part is disposed within the mounting hole, and the mounting part is at least partially disposed within the mounting hole.

[0016] In one embodiment, the mounting portion includes a sleeve portion disposed within the mounting hole portion;

[0017] The end of the rotating part away from the locking part is slidably installed inside the sleeve part along the first direction.

[0018] In one embodiment, the mounting hole includes a first hole segment and a second hole segment, wherein the cross-sectional area of ​​the first hole segment is larger than the cross-sectional area of ​​the second hole segment;

[0019] The sleeve portion is disposed within the second hole section, and the locking portion is installed at the first hole section.

[0020] In one embodiment, the mounting portion further includes a retaining portion, which is located at the end of the sleeve portion away from the locking portion, and the mounting bracket is mounted on the retaining portion.

[0021] In one embodiment, the fixing rod portion is provided as two;

[0022] Both ends of the mounting bracket extend outward to form mounting protrusions, and the two mounting protrusions are respectively disposed on the two retaining portions.

[0023] In one embodiment, the mounting bracket is further provided with a connecting structure for fixing the panel;

[0024] The connection structure includes:

[0025] A recessed section for accommodating the end of the panel; and,

[0026] A magnetic suction structure is provided inside the recessed section to assist in fixing the panel.

[0027] In the technical solution of this utility model, the spring structure enables one chuck and the other chuck to mesh with each other to form a tight connection, effectively preventing the panel from shifting or loosening due to vibration or other external forces. The panel is fixed in the slot to provide stable support. The magnetic block one and magnetic block two attract each other to provide a stable clamping force for the panel, which facilitates the quick installation and removal of the panel, improves the operating efficiency, and meets the requirements of the SMT process for a quick line change device. Attached Figure Description

[0028] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0029] Figure 1 A schematic diagram of the overall structure of an embodiment of the line-changing device provided by this utility model;

[0030] Figure 2 for Figure 1 Exploded view of the structures at the location of the mounting holes;

[0031] Figure 3 for Figure 2 A schematic diagram showing the installation and assembly of various structures at the mounting hole location;

[0032] Figure 4 for Figure 1 A schematic diagram showing the installation and assembly of the mounting bracket and panel;

[0033] Figure 5 for Figure 4 A magnified view of a portion of point A in the middle.

[0034] Explanation of icon numbers:

[0035] 1. Fixing bracket; 2. Panel; 3. Fixing rod; 4. Mounting hole; 51. Mounting part; 52. Sleeve part; 53. Spring; 54. Rotating part; 55. Chuck; 56. Locking part; 57. Holding part; 6. Connecting structure; 61. Mounting bracket; 62. Slotted part; 63. First magnetic attraction part; 64. Second magnetic attraction part; 66. Bolt; 67. Magnetic attraction part.

[0036] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0037] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0038] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a specific posture. If the specific posture changes, the directional indicators will also change accordingly.

[0039] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the use of "and / or" or "and / or" throughout the text includes three parallel solutions. For example, "A and / or B" includes solution A, solution B, or a solution where both A and B are satisfied simultaneously. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0040] SMT, short for Surface Mount Technology, is one of the core technologies in the electronics manufacturing industry. It achieves efficient assembly by directly mounting micro-electronic components onto the surface of printed circuit boards. The SMT pick-and-place machine is the core equipment in the surface mount technology production line. It is mainly used to accurately place surface mount components onto the pads of printed circuit boards. When switching from product A to product B during production, the materials for product B need to be installed on the SMT pick-and-place machine first. Then, the barcode is scanned for barcode comparison. Based on the comparison results, the installed materials and the quantity of materials replaced can be checked.

[0041] In the prior art, such as patent number CN215345706U, a device for quick line change of a pick-and-place machine is disclosed. When the angle of the panel needs to be adjusted, the operator first separates the limiting device from the card slot. Then, the operator can push the panel to change the angle of the panel. When the panel reaches the appropriate scanning angle, the limiting device can be put into contact with the card slot, so that the card slot cannot rotate. This allows for quick angle adjustment of the panel, which is convenient for the operator to scan the code and improves the efficiency of line change.

[0042] The aforementioned patent uses a friction pad against the outside of the mounting cylinder to prevent the panel from moving and adjusting the angle. Since the feeder of the pick-and-place machine vibrates during normal use, and the friction pad and the mounting cylinder only fit together for positioning, the stability is easily affected, causing the panel angle to shift and affecting its use.

[0043] This invention proposes a line-changing device to solve the above problems.

[0044] Please see Figures 1 to 2 In one embodiment of the present invention, the line changing device is used in a chip mounter and includes a fixed frame 1 and a mounting frame 61. The mounting frame 61 is used for mounting the panel 2. The line changing device also includes a locking part 56, a mounting part 51 and a rotating part 54. The locking part 56 can be fixedly installed relative to the fixing frame 1; the mounting part 51 is used to fixably connect to the mounting frame 61; the rotating part 54 is arranged opposite to the locking part 56 and the mounting part 51 in a first direction and is located between the locking part 56 and the mounting part 51. The rotating part 54 can move linearly in the first direction and can rotate along an axis extending in the first direction. The rotating part 54 and the mounting part 51 are relatively anti-rotating; the rotating part 54 moves linearly toward the locking part 56 and abuts against the locking part 56, so that the locking part 56, the rotating part 54 and the mounting part 51 are all relatively anti-rotating; the rotating part 54 moves linearly away from the locking part 56, so that the rotating part 54 and the mounting part 51 can rotate synchronously relative to the locking part 56.

[0045] In the above embodiments, the mounting bracket 1 corresponds to the feeder structure in the pick-and-place machine. In actual use, the panel 2 is used to support the circuit board structure with barcodes. Specifically, during production, the rotation angle of the panel 2 on the mounting bracket 1 is adjusted to a suitable position beforehand. Operators can read the barcode information on the circuit board structure on the panel 2 using the corresponding barcode scanning structure. Specifically, the panel 2 is mounted on the mounting frame 61, which is movably connected to the mounting bracket 1. In actual use, rotating the panel 2 causes relative rotation between the mounting frame 61 and the mounting bracket 1, thereby adjusting the orientation of the barcodes on the multiple circuit boards on the panel 2. Specifically, when adjusting the tilt angle of the panel 2, force can be applied by holding the panel 2, thereby causing relative rotation between the mounting frame 61 and the mounting bracket 1. During this process, the mounting part 51 rotates together with the mounting frame 61. As the mounting part 51 rotates, it can synchronously drive the rotating part 54 to move linearly away from the locking part 56, so that the rotating part 54 and the mounting part 51 can rotate synchronously relative to the locking part 56. At this time, the orientation of the receiving surface of the panel 2 is adjusted synchronously. After the adjustment is completed, the manual force is stopped, the rotating part 54 moves linearly towards the locking part 56 and abuts against the locking part 56, so that the locking part 56, the rotating part 54 and the mounting part 51 all stop rotating relative to each other. At this time, the rotating part 54 and the locking part 56 form an integral connection structure 6. Under non-human action, the mounting frame 61 and the fixed frame 1 can maintain the current state, thereby ensuring the stability during the scanning process.

[0046] The locking part 56 and the rotating part 54 are respectively provided with two anti-rotation coupling parts, and the two anti-rotation coupling parts can abut against each other to prevent rotation.

[0047] Specifically, the anti-rotation coupling part includes a chuck 55, on which a plurality of teeth are arranged circumferentially, and a groove is formed between two adjacent teeth. The teeth of one chuck 55 are engaged in the groove of the other chuck 55 so that the two chucks 55 are prevented from rotating.

[0048] like Figure 2 and Figure 3Two chucks 55 are respectively disposed between the opposite ends of the locking part 56 and the rotating part 54. When the mounting part 51 rotates, it can drive the rotating part 54 to move in the first direction, thereby realizing the separation and engagement of the two chucks 55. When the two chucks 55 are engaged, multiple teeth between the opposite ends of the two chucks 55 engage with each other. Specifically, the teeth of one chuck 55 are engaged in the slots of the other chuck 55. At this time, multiple teeth apply force simultaneously between the rotating part 54 and the locking part 56, thereby ensuring the stability of the connection between the rotating part 54 and the locking part 56 in a non-human-operated state.

[0049] The multiple locking teeth are evenly protruding in the first direction. It should be noted that these locking teeth are trapezoidal, with their cross-sectional area gradually decreasing from their bottom to their top. Therefore, during the rotation of the fixing part on the fixing frame 1, the manually applied torsional force can overcome the friction between the inclined contact surfaces of the multiple locking teeth, thereby causing the rotating part 54 to move away from the locking part 56 in the first direction. At this time, the rotating part 54 and the mounting part 51 can rotate around the axis in the first direction, thus completing the angle adjustment of the panel 2.

[0050] To ensure the rotating part 54 can automatically reset without human force and to achieve a tight connection between the two chucks 55, thereby guaranteeing the stability of the panel 2's tilt angle, an elastic element is provided between the rotating part 54 and the mounting part 51 in this embodiment. This element drives the rotating part 54 to abut against the locking part 56.

[0051] The elastic element can be configured as a spring 53 or a rubber rod. In this embodiment, a spring 53 structure is preferred. Specifically, when the two chucks 55 are engaged, the spring 53 is in a compressed state. When it is positioned between the rotating part 54 and the mounting part 51, it tends to press against the engagement of the rotating part 54 and the locking part 56, thereby ensuring a tight connection between the two chucks 55 without manual force, and effectively preventing relative rotation between the mounting bracket 61 and the fixed bracket 1.

[0052] During installation, the two ends of the spring 53 can be fixedly connected to the mounting part 51 and the rotating part 54 respectively, or the spring 53 can be disposed between the rotating part 54 and the mounting part 51, with its two ends in contact.

[0053] In one embodiment of the present invention, a fixing rod portion 3 is provided on the fixing frame 1, and a mounting hole portion 4 is provided on the fixing rod portion 3 in a through direction in a first direction; the rotating portion 54 is provided in the mounting hole portion 4, and the mounting portion 51 is at least partially provided in the mounting hole portion 4.

[0054] The mounting portion 51 includes a sleeve portion 52 disposed within the mounting hole portion 4; the rotating portion 54 is slidably mounted within the sleeve portion 52 at one end away from the locking portion 56 along the first direction.

[0055] In the above structure, the sleeve portion 52 is rotatably mounted in the mounting hole portion 4, and the rotating portion 54 is slidably mounted in the inner cavity of the sleeve portion 52 along the first direction. One end of the rotating portion 54 is located outside the sleeve portion 52, and the chuck 55 is mounted on the exposed end of the rotating portion 54. In actual installation, a corresponding guide structure can be provided between the sleeve portion 52 and the rotating portion 54 to guide the movement of the rotating portion 54 in the first direction.

[0056] The guide structure can be configured as a protruding rib structure on the outer peripheral wall of the rotating part 54 along its axial direction, and a corresponding groove structure can be provided on the inner wall of the sleeve part 52. During installation, the protruding rib structure is aligned with the groove structure, and the rotating part 54 is installed into the sleeve part 52 from one end. When the rotating part 54 actually moves along the first direction, the rib and groove structure cooperate to guide the movement, thereby ensuring the stability of the rotating part 54 during movement.

[0057] In one embodiment of the present invention, the mounting hole 4 includes a first hole segment and a second hole segment, wherein the cross-sectional area of ​​the first hole segment is larger than the cross-sectional area of ​​the second hole segment; the sleeve portion 52 is disposed in the second hole segment, and the locking portion 56 is installed at the first hole segment.

[0058] like Figure 3 As shown, in this embodiment, the mounting hole 4 is configured as a stepped hole, and the second hole section is used to install the mounting part 51. One end of the sleeve part 52 of the mounting part 51 is flush with the bottom end face of the first hole section. The exposed end of the rotating part 54 is disposed in the first hole section, and the chuck 55 is located in the first hole section. The two chucks 55 located in the first hole section can increase the contact area of ​​the two chucks 55, which can effectively improve the connection and fixing effect of the rotating part 54 and the locking part 56 to a certain extent.

[0059] To facilitate maintenance of the chuck 55 structure, in this embodiment, the locking part 56 is configured as a detachable mounting structure. Specifically, the locking part 56 can be threadedly fixed to the opening of the first hole section. During maintenance, the locking part 56 can be disassembled, allowing for replacement and maintenance of the internal structure of the mounting hole section 4.

[0060] The mounting part 51 further includes a retaining part 57, which is located at the end of the sleeve part 52 away from the locking part 56, and the mounting bracket 61 is located on the retaining part 57.

[0061] like Figure 3 , Figure 4 and Figure 5 As shown, one end of the mounting part 51 is located at the end face of the fixing rod part 3, the clamping part 57 is configured with two connecting ears, one end of the mounting bracket 61 is located inside the clamping part 57, and one end of the mounting bracket 61 is fixedly installed at the position of the clamping part 57 by bolts 66. When the mounting bracket 61 needs maintenance, it can be replaced, thereby reducing its maintenance costs to a certain extent.

[0062] In one embodiment of this utility model, in order to ensure the installation and fixing strength of the mounting bracket 61, two fixing rods 3 are provided; both ends of the mounting bracket 61 extend outward to form mounting protrusions, and the two mounting protrusions are respectively provided on the two holding parts 57.

[0063] Specifically, the two ends of the mounting frame 61 are fixed by the two fixed rods 3. During the actual adjustment process, when the mounting frame 61 is manually rotated, the two mounting parts 51 rotate synchronously on one end of the two fixed rods 3, which can effectively improve the stability of the entire structural adjustment process.

[0064] To ensure the stability of the panel 2 on the mounting bracket 61, the mounting bracket 61 is specifically configured as a U-shaped structure, and a connecting structure 6 is provided on the inner side of the mounting bracket 61. Specifically, the connecting structure 6 includes a recessed portion 62 and a magnetic attraction structure. The recessed portion 62 is used to accommodate the end of the panel 2; the magnetic attraction structure is disposed within the recessed portion 62 to assist in fixing the panel 2.

[0065] The magnetic suction structure has two magnetic suction parts 67, respectively disposed within the recessed portion 62 and on one end of the panel 2. During actual installation, the panel 2 is installed into the mounting frame 61 from the opening of the U-shaped frame. The recessed portion 62 is located on two adjacent inner ends of the mounting frame 61. During installation, the panel 2 is inserted into the recessed portion 62 from the opening of the mounting frame 61. The grooved portion limits the installation of one end of the panel 2. When one end of the panel 2 is recessed into the recessed portion 62, the first magnetic suction part 6763 and the second magnetic suction part 6764 can cooperate with each other, thereby ensuring the installation stability of the panel 2 on the mounting frame 61. When the panel 2 needs to be replaced, it can be removed from the mounting frame 61 by force. The above-described installation structure is simple to install and remove, highly operable, and easy to implement.

[0066] The above description is merely an exemplary embodiment of the present utility model and does not limit the patent scope of the present utility model. Any equivalent structural transformations made based on the technical concept of the present utility model and the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. A line changing device for a pick-and-place machine, characterized in that The cable switching device includes a fixing frame and a mounting frame, the mounting frame being used for panel mounting, and the cable switching device further includes: The locking part can be fixedly installed relative to the fixing frame; Mounting section, used to securely connect the mounting bracket; and, A rotating part is arranged opposite to the locking part and the mounting part in a first direction and is located between the locking part and the mounting part. The rotating part can move linearly in the first direction and can rotate along an axis extending in the first direction. The rotating part and the mounting part are relatively anti-rotating. The rotating part moves linearly toward the locking part and abuts against the locking part, so that the locking part, the rotating part, and the mounting part all stop rotating relative to each other; the rotating part moves linearly away from the locking part, so that the rotating part and the mounting part can rotate synchronously relative to the locking part.

2. The thread changing device according to claim 1, wherein Two anti-rotation coupling parts are provided on the locking part and the rotating part respectively, and the two anti-rotation coupling parts can abut against each other to prevent rotation.

3. The thread changing device according to claim 2, wherein The anti-rotation coupling part includes a chuck with multiple teeth arranged circumferentially on it. A groove is formed between two adjacent teeth, and a tooth of one chuck is engaged in the groove of the other chuck to prevent the two chucks from rotating.

4. The thread changing device according to claim 1, wherein An elastic element is provided between the rotating part and the mounting part to drive the rotating part to abut against the locking part.

5. The thread changing device according to claim 1, wherein The fixing frame is provided with a fixing rod, and the fixing rod is provided with a mounting hole that is through-hole in a first direction; The rotating part is disposed within the mounting hole, and the mounting part is at least partially disposed within the mounting hole.

6. The thread changing device according to claim 5, wherein The mounting portion includes a sleeve portion disposed within the mounting hole portion; The end of the rotating part away from the locking part is slidably installed inside the sleeve part along the first direction.

7. The thread changing device according to claim 6, wherein The mounting hole includes a first hole section and a second hole section, wherein the cross-sectional area of ​​the first hole section is larger than the cross-sectional area of ​​the second hole section; The sleeve portion is disposed within the second hole section, and the locking portion is installed at the first hole section.

8. The line-changing device as described in claim 6, characterized in that, The mounting portion further includes a retaining portion, which is located at the end of the sleeve portion away from the locking portion, and the mounting bracket is mounted on the retaining portion.

9. The line-changing device as described in claim 8, characterized in that, The fixed rod portion is provided in two parts; Both ends of the mounting bracket extend outward to form mounting protrusions, and the two mounting protrusions are respectively disposed on the two retaining portions.

10. The line-changing device as described in claim 1, characterized in that, The mounting bracket is also provided with a connecting structure for fixing the panel; The connection structure includes: A recessed section for accommodating the end of the panel; and, A magnetic suction structure is provided inside the recessed section to assist in fixing the panel.

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