Steel mesh replacing mechanism for solder paste printing machine

Abstract

The utility model discloses a steel mesh replacing mechanism for a solder paste printing machine, which comprises a solder paste printing machine main body, a mounting frame is arranged on the solder paste printing machine main body, a steel mesh piece is sleeved in the mounting frame, a mounting component is arranged on the mounting frame, and the side of a connecting block is fixedly connected with the steel mesh piece. The outer wall of the connecting block is slidably clamped to the mounting frame, the locking block is slidably arranged at the top of the mounting frame through the mounting plate and clamped to the top of the connecting block, and the positioning assembly is arranged on the mounting plate and used for clamping and limiting the locking block. According to the solder paste printing machine, the solder paste printing machine body, the installation frame, the steel mesh piece and the installation assembly are used in a matched mode, under the action of the positioning assembly, the locking block can clamp and lock the connecting block, and therefore the installation stability of the steel mesh piece is guaranteed, limitation of the positioning assembly to the locking block is relieved, and the locking block slides to be separated from the connecting block; therefore, the steel mesh piece can be directly detached and replaced.

Description

Technical Field

[0001] The utility model relates to the field of solder paste printers, in particular to a steel mesh replacement mechanism for solder paste printers. Background Art

[0002] The solder paste printer is generally composed of mechanisms such as plate loading, solder paste adding, stamping, and circuit board feeding. The working principle of the solder paste printer is to first fix the circuit board to be printed on the printing positioning table, and then the left and right scrapers of the printer will print the solder paste or red glue through the steel mesh to the corresponding pad.

[0003] When printing solder paste on different products, it is necessary to replace steel meshes of different models. When the existing steel meshes are installed, they are usually fixed by bolts or screws. Therefore, when replacing the steel mesh, it is necessary to use a wrench to remove the bolts. Moreover, when the steel mesh is assembled on the solder paste printer, using tools to remove the bolts may cause scratches on the solder paste printer, which makes it inconvenient to manually disassemble and replace the steel mesh directly. Utility Model Content

[0004] The utility model aims to provide a steel mesh replacement mechanism for a solder paste printer to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a steel mesh replacement mechanism for a solder paste printer, comprising a solder paste printer body, on which a mounting frame is provided;

[0006] The interior of the installation frame is sleeved with a steel mesh, and the installation frame is provided with an installation component for locking the steel mesh, and the installation component includes:

[0007] A connecting block, the side of which is fixedly connected to the steel mesh, and the outer wall of which is slidably engaged with the mounting frame;

[0008] A mounting plate and a locking block, wherein the locking block is slidably arranged on the top of the mounting frame through the mounting plate, and the locking block is clamped on the top of the connecting block;

[0009] A positioning component is arranged on the mounting plate and is used for limiting the locking block by clamping.

[0010] Preferably, a connecting groove is provided on the side of the top of the inner wall of the installation frame, the outer wall of the connecting block is slidably sleeved with the inner cavity of the connecting groove, and the installation plate is fixedly connected to the top of the installation frame.

[0011] Preferably, a mounting groove is provided at the bottom of the mounting plate, a slot is provided at the bottom of the inner wall of the mounting groove, and the outer wall of the locking block is slidably sleeved with the inner cavity of the slot.

[0012] Preferably, the inner cavity of the mounting groove is provided with a fixing plate, the end of the fixing plate is fixedly connected with a fixing block, one side of the locking block is provided with a docking groove matching the fixing block, the bottom of the locking block is provided with an inner bolt, and the fixing block is fixedly connected to the locking block via the inner bolt.

[0013] Preferably, the positioning component comprises:

[0014] An installation sleeve, the bottom of which is fixedly connected to the locking block;

[0015] A connecting rod and a positioning plate, wherein the outer wall of the connecting rod and the mounting sleeve are slidably inserted and sleeved, and the end of the positioning plate is fixedly connected to the connecting rod.

[0016] Preferably, a connecting hole matching the installing sleeve is provided at the top of the inner wall of the installing groove, a sliding hole is provided at the bottom of the installing sleeve, the outer wall of the positioning plate is slidably engaged with the inner cavity of the sliding hole, a card slot is provided at the bottom of the inner wall of the connecting hole, and one end of the outer wall of the positioning plate is slidably engaged with the inner cavity of the card slot.

[0017] Preferably, the interior of the mounting sleeve is fixedly sleeved with a positioning ring, the outer wall of the connecting rod is fixedly sleeved with a fixing ring, the outer wall of the connecting rod is slidably sleeved with a limiting spring, the limiting spring is located between the fixing ring and the positioning ring, and the fixing ring is located on the top of the positioning ring.

[0018] Technical effects and advantages of the utility model:

[0019] The utility model utilizes the coordinated use of a solder paste printer main body, a mounting frame, a steel mesh and a mounting assembly. The mounting assembly includes a connecting block, a mounting plate, a locking block and a positioning assembly. Under the action of the positioning assembly, the locking block can be clamped and locked to the connecting block, thereby ensuring the stability of the steel mesh installation, releasing the limitation of the positioning assembly on the locking block, and sliding the locking block to separate from the connecting block, so that the steel mesh can be directly disassembled and replaced. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the installation frame of the utility model.

[0021] Figure 2 It is a schematic diagram of the front structure of the utility model.

[0022] Figure 3 It is a schematic diagram of the internal structure of the side of the installation frame part of the utility model.

[0023] Figure 4 It is a schematic diagram of the internal structure of the mounting plate portion of the utility model from above.

[0024] In the figure: 1. Solder paste printer body; 2. Mounting frame; 3. Steel mesh; 4. Mounting assembly; 41. Connecting block; 42. Mounting plate; 43. Locking block; 44. Positioning assembly; 441. Mounting sleeve; 442. Connecting rod; 443. Positioning plate; 444. Connecting hole; 445. Positioning collar; 446. Fixing collar; 447. Limiting spring; 45. Mounting groove; 46. Slot; 47. Fixing plate; 48. Fixing block; 49. Inner bolt. DETAILED DESCRIPTION

[0025] 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 in 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.

[0026] The utility model provides Figure 1-4 The steel mesh replacement mechanism for a solder paste printer shown in the figure includes a solder paste printer body 1, a mounting frame 2 is provided on the solder paste printer body 1, a steel mesh 3 is sleeved inside the mounting frame 2, and a mounting assembly 4 for locking the steel mesh 3 is provided on the mounting frame 2, the mounting assembly 4 includes a connecting block 41, a mounting plate 42, a locking block 43 and a positioning assembly 44, the side of the connecting block 41 is fixedly connected to the steel mesh 3, the outer wall of the connecting block 41 is slidably engaged with the mounting frame 2, the locking block 43 is slidably arranged on the top of the mounting frame 2 through the mounting plate 42, the locking block 43 is engaged with the top of the connecting block 41, and the locking block 43 is engaged with the top of the connecting block 41, so that the connecting block 41 can be engaged and limited to ensure the stability of the installation of the steel mesh 3, and the positioning assembly 44 is arranged on the mounting plate 42, and the positioning assembly 44 is used to engage and limit the locking block 43, and the positioning assembly 44 can engage and limit the locking block 43.

[0027] Furthermore, a connecting groove is provided on the side of the top of the inner wall of the mounting frame 2, and the outer wall of the connecting block 41 is slidably sleeved with the inner cavity of the connecting groove. The mounting plate 42 is fixedly connected to the top of the mounting frame 2, and a mounting groove 45 is provided at the bottom of the mounting plate 42. A slot 46 is provided at the bottom of the inner wall of the mounting groove 45. The outer wall of the locking block 43 is slidably sleeved with the inner cavity of the slot 46, and the length of the slot 46 is greater than the width of the locking block 43, thereby releasing the restriction of the positioning component 44 on the locking block 43, so that the locking block 43 slides to the other side of the inner cavity of the slot 46, and the locking block 43 can be dislocated and separated from the connecting block 41. Then the steel mesh 3 can be directly taken out from the installation frame 2, and the steel mesh 3 can be disassembled and replaced. The inner cavity of the installation groove 45 is provided with a fixing plate 47, and the end of the fixing plate 47 is fixedly connected with a fixing block 48. One side of the locking block 43 is provided with a docking groove matching the fixing block 48, and the bottom of the locking block 43 is provided with an inner bolt 49, and the fixing block 48 is fixedly connected to the locking block 43 through the inner bolt 49. Under the action of the fixing plate 47, the fixing block 48 and the inner bolt 49, the two locking blocks 43 inside a mounting plate 42 can be moved synchronously, and the sliding stability of the locking block 43 is guaranteed.

[0028] In particular, the positioning assembly 44 includes a mounting sleeve 441, a connecting rod 442 and a positioning plate 443. The bottom of the mounting sleeve 441 is fixedly connected to the locking block 43, the outer wall of the connecting rod 442 is slidably inserted and sleeved with the mounting sleeve 441, the end of the positioning plate 443 is fixedly connected to the connecting rod 442, and the top of the inner wall of the mounting groove 45 is provided with a connecting hole 444 that matches the mounting sleeve 441, so that the mounting sleeve 441 slides in the connecting hole 444, and the mounting sleeve 441 can drive the locking block 43 to slide, thereby changing The position of the locking block 43, a sliding hole is provided at the bottom of the mounting sleeve 441, the outer wall of the positioning plate 443 is slidably connected with the inner cavity of the sliding hole, a card slot is provided at the bottom of the inner wall of the connecting hole 444, one end of the outer wall of the positioning plate 443 is slidably connected with the inner cavity of the card slot, and card slots are provided on both sides of the inner wall of the connecting hole 444, so that when the positioning plate 443 is connected to the card slot at different positions, the locking block 43 is in two states, one is that the locking block 43 is connected to the connecting block 41, and the other is that the locking block 43 is separated from the connecting block 41.

[0029] Furthermore, the interior of the mounting sleeve 441 is fixedly sleeved with a positioning ring 445, the outer wall of the connecting rod 442 is fixedly sleeved with a fixing ring 446, the outer wall of the connecting rod 442 is slidably sleeved with a limiting spring 447, the limiting spring 447 is located between the fixing ring 446 and the positioning ring 445, the fixing ring 446 is located at the top of the positioning ring 445, so that the limiting spring 447 can give the connecting rod 442 an upward elastic force through the fixing ring 446, and the limiting spring 447 is sufficient to support the gravity of the connecting rod 442, the fixing ring 446 and the positioning plate 443, so that the positioning plate 443 and the slot maintain a stable clamping state, and by squeezing the top of the connecting rod 442, the connecting rod 442 can drive the positioning plate 443 to slide and separate from the slot.

[0030] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A steel mesh replacement mechanism for a solder paste printer, comprising a solder paste printer body (1), wherein a mounting frame (2) is provided on the solder paste printer body (1); It is characterized in that A steel mesh (3) is sleeved inside the installation frame (2), and a mounting assembly (4) for locking the steel mesh (3) is provided on the installation frame (2), wherein the mounting assembly (4) comprises: A connecting block (41), the side of which is fixedly connected to the steel mesh (3), and the outer wall of which is slidably engaged with the mounting frame (2); A mounting plate (42) and a locking block (43), wherein the locking block (43) is slidably arranged on the top of the mounting frame (2) through the mounting plate (42), and the locking block (43) is clamped on the top of the connecting block (41); A positioning assembly (44), wherein the positioning assembly (44) is arranged on the mounting plate (42), and the positioning assembly (44) is used for clamping and limiting the locking block (43).

2. The steel mesh replacement mechanism for a solder paste printer according to claim 1, characterized in that: A connection groove is provided on the side of the top of the inner wall of the installation frame (2), the outer wall of the connection block (41) is slidably sleeved with the inner cavity of the connection groove, and the installation plate (42) is fixedly connected to the top of the installation frame (2).

3. The steel mesh replacement mechanism for a solder paste printer according to claim 2, characterized in that: The bottom of the mounting plate (42) is provided with a mounting groove (45), the bottom of the inner wall of the mounting groove (45) is provided with a slot (46), and the outer wall of the locking block (43) is slidably sleeved with the inner cavity of the slot (46).

4. The steel mesh replacement mechanism for a solder paste printer according to claim 3, characterized in that: The inner cavity of the installation groove (45) is provided with a fixing plate (47), the end of the fixing plate (47) is fixedly connected with a fixing block (48), one side of the locking block (43) is provided with a docking groove matching the fixing block (48), the bottom of the locking block (43) is provided with an inner bolt (49), and the fixing block (48) is fixedly connected to the locking block (43) through the inner bolt (49).

5. The steel mesh replacement mechanism for a solder paste printer according to claim 4, characterized in that: The positioning assembly (44) comprises: An installation sleeve (441), the bottom of which is fixedly connected to the locking block (43); A connecting rod (442) and a positioning plate (443), wherein the outer wall of the connecting rod (442) is slidably inserted and sleeved with the mounting sleeve (441), and the end of the positioning plate (443) is fixedly connected to the connecting rod (442).

6. The steel mesh replacement mechanism for a solder paste printer according to claim 5, characterized in that: A connecting hole (444) matching the installing sleeve (441) is formed at the top of the inner wall of the installing groove (45), a sliding hole is formed at the bottom of the installing sleeve (441), the outer wall of the positioning plate (443) is slidably connected to the inner cavity of the sliding hole, a clamping groove is formed at the bottom of the inner wall of the connecting hole (444), and one end of the outer wall of the positioning plate (443) is slidably connected to the inner cavity of the clamping groove.

7. The steel mesh replacement mechanism for a solder paste printer according to claim 6, characterized in that: The interior of the installation sleeve (441) is fixedly sleeved with a positioning ring (445), the outer wall of the connecting rod (442) is fixedly sleeved with a fixing ring (446), the outer wall of the connecting rod (442) is slidably sleeved with a limiting spring (447), the limiting spring (447) is located between the fixing ring (446) and the positioning ring (445), and the fixing ring (446) is located at the top of the positioning ring (445).

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