Universal magnetic tin planting table

Abstract

The utility model discloses a universal magnetic tin planting table, which belongs to the technical field of tin planting positioning devices and comprises a chip positioning plate, a magnetic block is mounted on a first side wall of the chip positioning plate in a sliding manner, a mounting groove is formed in a second side wall, opposite to the first side wall of the chip positioning plate, of the chip positioning plate, and the magnetic block is mounted in the mounting groove. A positioning piece capable of being magnetically attracted with the magnetic block is installed in the installation groove in a limited sliding mode, the positioning piece is matched with the installation groove to be used for clamping a chip, and a positioning groove used for containing a tin planting net capable of covering the chip is formed in the chip positioning plate. According to the utility model, through the arrangement of the mounting groove, chips of different models are clamped between the positioning sheet and the top wall of the mounting groove for fixation, the universality of chip fixation is improved, and through the adjustment of the position of the magnetic block, the displacement of the positioning sheet driven by the magnetic force can be changed, so that the clamping stability of the chips of different models is further ensured.

Description

Technical Field

[0001] The utility model belongs to the technical field of tin-planting positioning devices, and particularly relates to a general-purpose magnetic tin-planting table. Background Art

[0002] At present, the existing magnetic tin-planting tables are generally special-purpose. One chip model corresponds to one chip positioning plate, and one chip model corresponds to one chip tin-planting steel mesh. In actual use, there are a very large number of models that need to be used, which leads to increased costs, cumbersome use, and great inconvenience.

[0003] Therefore, it is necessary to propose a general-purpose magnetic tin-planting table to solve the above problems. Content of the Utility Model

[0004] In view of this, the purpose of the utility model is to provide a general-purpose magnetic tin-planting table, which is used to solve the problem of poor versatility of the existing tin-planting tables.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] The utility model provides a general-purpose magnetic tin-planting table, which includes a chip positioning plate. A magnetic block is slidably installed on the first side wall of the chip positioning plate. A resisting part is provided on the second side wall of the chip positioning plate opposite to the first side wall of the chip positioning plate. A positioning piece that can be magnetically attracted to the magnetic block is slidably installed on the second side wall of the chip positioning plate. The positioning piece and the resisting part cooperate to clamp the chip. Among them, an installation groove is provided on the second side wall of the chip positioning plate, and the positioning piece is installed in the installation groove in a limited sliding manner. The inner wall of the installation groove serves as the resisting part, so that the positioning piece and the inner wall of the installation groove cooperate to clamp the chip.

[0007] In this solution, by sliding the magnetic block, the positioning piece can be driven to slide towards the chip to clamp the chip between the positioning piece and the inner wall of the installation groove; or after the magnetic block is set at a preset position on the first side wall of the chip positioning plate, the chip is placed at the preset position of the installation groove, and then the positioning piece is placed in the installation groove and magnetically attracted and fixed to the magnetic block, so that the positioning piece and the inner wall of the installation groove cooperate to clamp the chip; or after the magnetic block is set at a preset position on the first side wall of the chip positioning plate, the chip and the positioning piece are both placed in the installation groove, and the suction force of the magnetic block drives the positioning piece to move so that the positioning piece and the inner wall of the installation groove cooperate to clamp the chip.

[0008] Further, a positioning groove for placing a tin-planting mesh that can cover the chip is provided on the second side wall of the chip positioning plate. By setting the positioning groove, it is convenient to ensure the stability of the tin-planting mesh during the tin-planting process and facilitate the alignment of the mesh openings of the tin-planting mesh with the chip.

[0009] Furthermore, the solder paste planting table further includes a base, and the magnetic block is slidably installed between the chip positioning plate and the base. The base supports the magnetic block to ensure the stability of the installation of the magnetic block.

[0010] Furthermore, a strip-shaped groove is provided on either the top wall of the base or the bottom wall of the chip positioning plate. The magnetic block is installed in the strip-shaped groove in a limited sliding manner, and the magnetic block is magnetically connected to the base or the chip positioning plate. By providing the strip-shaped groove, it is convenient to limit the sliding direction of the magnetic block and the installation position of the magnetic block.

[0011] Furthermore, the width of the magnetic block is in clearance fit with the width of the strip-shaped groove so that the magnetic block can adjust its position along the length direction of the strip-shaped groove.

[0012] Furthermore, the length direction of the strip-shaped groove is the same as the length direction of the installation groove. To reduce the width dimension of the chip positioning plate.

[0013] Furthermore, at least two positioning posts are provided on the base, and positioning holes matching the positioning posts are provided on the chip positioning plate. In this solution, two positioning posts are provided on the base, and the two positioning posts are respectively arranged at two diagonal corners of the top surface of the base. To facilitate the installation and fixation of the base and the chip positioning plate.

[0014] Furthermore, the installation groove is rectangularly arranged, and the width of the installation groove matches the width of the chip positioning plate so that the chip positioning plate can be limited and slide along the length direction of the installation groove, and the length of the installation groove is greater than the sum of the width of the installation groove and the length of the chip positioning plate.

[0015] Furthermore, steps are provided at the four corners of the inner wall of the installation groove, the middle of the top wall of the installation groove, and the middle of the bottom wall of the installation groove.

[0016] Furthermore, first notches are provided on the opposite two side walls of the chip positioning plate, and the two first notches on both sides are symmetrically arranged with respect to the central axis plane of the chip positioning plate.

[0017] Furthermore, second notches are provided on the opposite two side walls of the base, and the two second notches on both sides are symmetrically arranged with respect to the central axis plane of the chip positioning plate.

[0018] Furthermore, the first notches and the second notches are arranged in a staggered manner.

[0019] Furthermore, the top wall of the strip-shaped groove is located above the top wall of the installation groove.

[0020] The beneficial effects of the present utility model are as follows:

[0021] The utility model fixes different types of chips by clamping them between the positioning piece and the top wall of the installation groove, improving the versatility of chip fixation; and by adjusting the position of the magnetic block, the displacement of the magnetic force driving the positioning piece to move can be changed to further ensure the stability of clamping different types of chips; moreover, the device has a compact structure, is convenient for installation and disassembly, has good versatility, and reduces costs.

[0022] Other advantages, objectives and features of the utility model will be elaborated in the subsequent description, and to some extent are obvious to those skilled in the art, or those skilled in the art can obtain teachings from the practice of the utility model. The objectives and other advantages of the utility model can be achieved and obtained through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to make the objectives, technical solutions and beneficial effects of the utility model clearer, the following drawings are provided for the description of the utility model:

[0024] Figure 1 It is an installation schematic diagram of the overall structure of the utility model.

[0025] The reference signs in the drawings are as follows: base 1, positioning column 101, second notch 102, strip-shaped groove 103, magnetic block 2, chip positioning plate 3, installation groove 301, positioning hole 302, step 303, first notch 304, positioning groove 305, positioning piece 4, solder paste stencil 5, chip 6. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0026] As Figure 1 shown, the utility model provides a general-purpose magnetic solder paste stencil, including: a base 1, a strip-shaped groove 103 is provided on the base 1, a magnetic block 2 capable of sliding along the strip-shaped groove 103 is magnetically installed in the strip-shaped groove 103, a chip positioning plate 3 is installed on the base 1, an installation groove 301 is provided on the chip positioning plate 3, the inner wall of the installation groove 301 serves as a resisting portion, a positioning piece 4 is slidably installed in the installation groove 301 in a limited manner, the positioning piece 4 and the installation groove 301 cooperate to clamp the chip 6, the positioning piece 4 and the magnetic block 2 are magnetically attracted to each other, a positioning groove 305 for placing the solder paste stencil 5 is provided on the chip positioning plate 3, and after the solder paste stencil 5 is placed on the positioning groove 305, it is arranged to cover the chip 6.

[0027] In this solution, after the chip positioning plate 3 is installed on the base 1, before solder paste printing, the positioning piece 4 is arranged close to the top wall of the mounting groove 301 under the action of the magnetic block 2. When solder paste printing, first slide the positioning piece 4 to move the positioning piece 4 away from the top wall of the mounting groove 301, and then install the chip 6 between the positioning piece 4 and the top wall of the mounting groove 301. The chip 6 is clamped between the positioning piece 4 and the top wall of the magnetic block 2 due to the magnetic attraction between the positioning piece 4 and the magnetic block 2. Among them, the chip 6 is attached to the side wall of the mounting groove 301, such as the left side wall, to ensure the installation stability of the chip 6; then place the solder paste printing stencil 5 in the positioning groove 305. The solder paste printing stencil 5 covers the chip 6 and is pressed against the chip 6 under the magnetic action of the magnetic block 2. Finally, perform the solder paste printing operation through the mesh opening corresponding to the chip 6 on the solder paste printing stencil 5. Among them, the positioning groove 305 is set to be rectangular so that a rectangular solder paste printing stencil 5 that matches the width of the positioning groove 305 can be placed.

[0028] In this solution, by setting the mounting groove 301, different models of chips 6 are fixed in a way that they are clamped between the positioning piece 4 and the top wall of the mounting groove 301, improving the versatility of chip 6 fixation; and by adjusting the position of the magnetic block 2, the displacement of the magnetic force driving the positioning piece 4 to move can be changed to further ensure the clamping stability of different models of chips 6; and the device has a compact structure, is convenient for installation and disassembly, has good versatility, and reduces costs; through the setting of the strip-shaped groove 103, to ensure the flatness of the top surface of the base 1 after the magnetic block 2 is installed, and to ensure that the base 1 is pressed against the chip positioning plate 3, so as to reduce the longitudinal height of the solder paste printing table.

[0029] In an embodiment of the present invention, the width of the magnetic block 2 matches the width of the strip-shaped groove 103 so that the magnetic block 2 can adjust its position along the length direction of the strip-shaped groove 103; the length direction of the strip-shaped groove 103 is the same as the length direction of the mounting groove 301, so that the sliding direction of the positioning piece 4 is the same as the position adjustment direction of the magnetic block 2, to reduce the width dimension of the base 1.

[0030] In an embodiment of the present invention, at least two positioning posts 101 are provided on the base 1, and the chip positioning plate 3 is provided with positioning holes 302 that cooperate with the positioning posts 101.

[0031] In this solution, when installing the chip positioning plate 3, the positioning holes 302 cooperate with the positioning posts 101 to prevent the movement of the chip positioning plate 3 after installation. Among them, two positioning posts 101 are provided on the base 1, and the two positioning posts 101 are respectively arranged at two diagonal corners of the top wall of the base 1; to ensure the stability of the chip positioning plate 3 installed on the base 1 with the least number of positioning posts 101.

[0032] In an embodiment of the present utility model, the installation groove 301 is rectangularly arranged, and the width of the installation groove 301 is matched with the width of the chip positioning plate 3, so that the chip positioning plate 3 can only slide along the length direction of the installation groove 301; the length of the installation groove 301 is greater than the sum of the width of the installation groove 301 and the length of the chip positioning plate 3; when soldering tin to a chip 6 whose size is matched with the width of the installation groove 301, after the positioning piece 4 cooperates with the top wall of the installation groove 301 to clamp the chip 6, there is a gap between the positioning piece 4 and the bottom wall of the installation groove 301, so as to facilitate sliding the positioning piece 4 to install or remove the chip 6, that is, a sliding space is provided for the positioning piece 4.

[0033] In an embodiment of the present utility model, steps 303 are provided at four corners of the inner wall of the installation groove 301. Through the steps 303, the soldering tin mesh 5 can be lifted to prevent the soldering tin mesh 5 from warping or bulging during the soldering tin process; wherein, steps 303 are also provided in the middle of the top wall and the bottom wall of the installation groove 301 to ensure the flatness of the placement of the soldering tin mesh 5.

[0034] In an embodiment of the present utility model, first notches 304 are provided on opposite side walls of the chip positioning plate 3, and the two first notches 304 on both sides are symmetrically arranged with respect to the central axis plane of the chip positioning plate 3.

[0035] In this solution, by providing the first notches 304, it is convenient to take out the soldering tin mesh 5 after the soldering tin is completed, that is, when the operator holds it by hand, the first notches 304 provide an avoidance space for the operator's fingers. Among them, two first notches 304 are arranged side by side on both sides of the chip positioning plate 3 to increase the taking range.

[0036] In an embodiment of the present utility model, second notches 102 are provided on opposite side walls of the base 1, and the two second notches 102 on both sides are symmetrically arranged with respect to the central axis plane of the chip positioning plate 3, so as to provide an avoidance space for the operator's fingers through the second notches 102 when installing and disassembling the chip positioning plate 3.

[0037] In an embodiment of the present utility model, the sliding direction of the positioning piece 4 is set as the Y axis, and the axial direction of the positioning piece 4 is the Z axis. Among them, the first notches 304 on both sides of the chip positioning plate 3 are symmetrically arranged with respect to the YZ plane, and the second notches 102 on both sides of the base 1 are symmetrically arranged with respect to the XZ plane. So that the first notches 304 and the second notches 102 are arranged in a staggered manner, avoiding that when taking the soldering tin mesh 5 through the first notches 304, the chip positioning plate 3 and the base 1 are separated by misgrasping at the second notches 102.

[0038] In an embodiment of the present utility model, the top wall of the strip-shaped groove 103 is located above the top wall of the installation groove 301. Place the magnetic block 2 in the strip-shaped groove 103 and press it tightly against the top wall of the strip-shaped groove 103. Place the positioning piece 4 in the installation groove 301 so that the positioning piece 4 is eccentrically arranged with respect to the magnetic block 2 to ensure the suction force of the magnetic block 2 on the positioning piece 4, enabling the positioning piece 4 to automatically slide towards the direction close to the magnetic block 2. When adjusting the position of the magnetic block 2 in the strip-shaped groove 103, the magnetic force requirement for the magnetic block 2 can be reduced. And after placing the chip 6 at a preset position, the positioning piece 4 can be manually placed at a position abutting against one side of the chip 6 and fixed by magnetic force to ensure the clamping stability of the positioning piece 4 and the installation groove 301 on the chip 6.

[0039] Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solutions of the present utility model and not to limit them. Although the present utility model has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made to it in form and details without departing from the scope defined by the claims of the present utility model.

Claims

1. A universal magnetic soldering station, including a chip positioning plate, characterized in that: A magnetic block is slidably mounted on the first side wall of the chip positioning plate, a stopper is provided on the second side wall of the chip positioning plate opposite to the first side wall of the chip positioning plate, a positioning plate that can be magnetically attracted to the magnetic block is slidably mounted on the second side wall of the chip positioning plate, and the positioning plate and the stopper cooperate to clamp the chip.

2. The universal magnetic soldering station according to claim 1, characterized in that: The second side wall of the chip positioning plate is provided with an installation groove, the positioning piece is limitedly slidably installed in the installation groove, and the inner wall of the installation groove serves as a stopper so that the positioning piece cooperates with the inner wall of the installation groove to clamp the chip.

3. The universal magnetic soldering station according to claim 1, characterized in that: A positioning groove for placing a tin-planting net capable of covering the chip is provided on the second side wall of the chip positioning plate.

4. The universal magnetic soldering station according to claim 1, characterized in that: The soldering station also includes a base, and the magnetic block is slidably installed between the chip positioning plate and the base.

5. The universal magnetic soldering station according to claim 4, characterized in that: A strip groove is provided on either the top wall of the base or the bottom wall of the chip positioning plate, and the magnetic block is slidably installed in the strip groove. The magnetic block is magnetically connected to the base or the chip positioning plate, and the top wall of the strip groove is located above the top wall of the installation groove.

6. The universal magnetic soldering station according to claim 5, characterized in that: The width of the magnetic block is loosely matched with the width of the strip groove, and the length direction of the strip groove is consistent with the length direction of the installation slot.

7. The universal magnetic soldering station according to claim 4, characterized in that: At least two positioning posts are arranged on the base, and positioning holes cooperating with the positioning posts are arranged on the chip positioning plate.

8. The universal magnetic soldering station according to claim 2, characterized in that: The mounting groove is arranged in a rectangular shape, the width of the mounting groove matches the width of the chip positioning plate, and the length of the mounting groove is greater than the sum of the width of the mounting groove and the length of the chip positioning plate.

9. The universal magnetic soldering station according to claim 2, characterized in that: Steps are arranged at the four corners of the inner wall of the installation groove, the middle of the top wall of the installation groove and the middle of the bottom wall of the installation groove.

10. The universal magnetic soldering station according to claim 4, characterized in that: The two opposite side walls of the chip positioning plate are each provided with a first notch, and the first notches on both sides are symmetrically arranged with respect to the central axis of the chip positioning plate; the two opposite side walls of the base are each provided with a second notch, and the second notches on both sides are symmetrically arranged with respect to the central axis of the chip positioning plate, and the first notch and the second notch are staggered.

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