CN221468260U - SMT processing production frock clamp - Google Patents
SMT processing production frock clamp Download PDFInfo
- Publication number
- CN221468260U CN221468260U CN202323009990.9U CN202323009990U CN221468260U CN 221468260 U CN221468260 U CN 221468260U CN 202323009990 U CN202323009990 U CN 202323009990U CN 221468260 U CN221468260 U CN 221468260U
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- clamping blocks
- clamping
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- wall
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 230000000149 penetrating effect Effects 0.000 claims abstract description 16
- 238000001125 extrusion Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 3
- 238000003754 machining Methods 0.000 claims 1
- 230000009471 action Effects 0.000 abstract description 2
- 230000006835 compression Effects 0.000 abstract 2
- 238000007906 compression Methods 0.000 abstract 2
- 238000005476 soldering Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- Jigs For Machine Tools (AREA)
Abstract
The utility model discloses an SMT processing production fixture which comprises a base plate, wherein a placing groove is formed in the upper surface of the base plate, a clamping mechanism is arranged in an inner cavity of the placing groove and comprises a plurality of clamping blocks, a plurality of movable grooves are formed in the bottom of the inner wall of the placing groove, adjusting screws are connected between the bottoms of the clamping blocks in a threaded penetrating mode, and a limiting mechanism is arranged on the clamping blocks. According to the utility model, the circuit board is arranged among the clamping blocks, the clamping blocks at the two sides squeeze the compression springs to deform, the clamping blocks and the circuit board are pushed to one side to move to the center position by utilizing the elastic action of the compression springs, meanwhile, the adjusting screw is rotated, so that the two clamping blocks at the two sides move along the two ends of the adjusting screw, the two clamping blocks move to the two sides of the PCB circuit board, the circuit board is clamped and fixed, the circuit boards with different sizes are clamped and fixed conveniently by utilizing the clamping blocks, and the applicability of the fixture tool is improved.
Description
Technical Field
The utility model relates to the field of SMT production, in particular to an SMT processing and production fixture.
Background
SMT is a surface mount technology, which is a circuit mounting technology for mounting a leadless or short-lead surface-mounted component on the surface of a printed circuit board, and performing soldering assembly by a reflow soldering or dip soldering method.
When the PCB circuit board is subjected to mounting operation, the circuit board to be processed is placed on the fixture, and the fixture is placed into the mounting equipment for operation, for example, a stable fixture for SMT production and processing is disclosed in the patent number of CN218244269U, and the common circuit board mounting fixture is used in combination with the circuit board with a specified size, so that the existing fixture is inconvenient to clamp and fix the circuit boards with different sizes due to different circuit board sizes.
Disclosure of utility model
The utility model aims to provide an SMT processing and production fixture for solving the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the SMT processing production fixture comprises a base plate, wherein a placing groove is formed in the upper surface of the base plate and used for accommodating and placing a PCB to be processed;
A clamping mechanism is arranged in the inner cavity of the placing groove and used for positioning and mounting the PCB;
The clamping mechanism comprises a plurality of clamping blocks, the bottoms of the inner walls of the placing grooves are provided with a plurality of movable grooves in an annular array, the inner cavities of the movable grooves are connected with the bottoms of the clamping blocks in a sliding penetrating manner, adjusting screws are connected between the bottoms of the plurality of clamping blocks in a threaded penetrating manner, and two ends of each adjusting screw are respectively connected with two sides of the base plate in a rotating penetrating manner;
And the clamping blocks are provided with limiting mechanisms for limiting the positions of two sides of the PCB.
Preferably, the limiting mechanism comprises a fixed rod, two ends of the fixed rod are fixedly connected with two sides of the inner wall of the movable groove respectively, and the fixed rod is connected with the bottom of the clamping block in a sliding penetrating manner.
Preferably, the fixed rod is movably sleeved with a pressure spring, one end of the pressure spring is attached to the outer wall of the clamping block, and the other end of the pressure spring is attached to the inner wall of the movable groove.
Preferably, the top threads of the clamping blocks are connected with bolts in a penetrating mode, the bottom ends of the bolts are fixedly connected with extrusion blocks, and the extrusion blocks are arranged in the inner cavities of the clamping blocks.
Preferably, the clamping blocks are arranged in an L shape, and the outer wall of the bottom of each clamping block is attached to the inner wall of the movable groove.
Preferably, the outer walls at two ends of the adjusting screw are provided with reverse threads, and two ends of the adjusting screw are respectively connected with the middle threads at the bottoms of the clamping blocks in a penetrating way.
The utility model has the technical effects and advantages that:
According to the utility model, by means of the arrangement mode that the clamping blocks, the movable groove, the adjusting screw, the fixing rods and the pressure springs are matched, the PCB circuit board to be processed is placed in the inner cavity of the placing groove on the base plate and is arranged between the clamping blocks, the clamping blocks on two sides squeeze and deform the pressure springs, the clamping blocks are pushed to one side by utilizing the elastic action of the pressure springs, so that the inner wall of the clamping blocks squeeze and push one side of the circuit board, the circuit board is pushed to move to the center position, the circuit board is positioned, the adjusting screw is rotated, the two clamping blocks on two sides reversely move along the two ends of the adjusting screw, the two clamping blocks move to two sides of the PCB circuit board, the circuit board is clamped and fixed, the clamping blocks are used for clamping and fixing circuit boards with different sizes conveniently, and the applicability of the fixture is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is an enlarged schematic view of the structure of fig. 1 at a.
Fig. 3 is an enlarged schematic view of the structure of fig. 1 at B according to the present utility model.
In the figure: 1. a base plate; 2. a placement groove; 3. a clamping mechanism; 31. a clamping block; 32. a movable groove; 33. adjusting a screw; 4. a limiting mechanism; 41. a fixed rod; 42. a pressure spring; 43. a bolt; 44. extruding the blocks.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides an SMT processing production fixture as shown in figures 1-3, which comprises a base plate 1, wherein the base plate 1 is used for placing a PCB circuit board to be processed, the circuit board is installed and fixed, a placing groove 2 is arranged on the upper surface of the base plate 1 and used for accommodating and placing the PCB circuit board to be processed, and the PCB circuit board to be processed is clamped and fixed by placing the PCB circuit board to be processed in an inner cavity of the placing groove 2, so that the stability of the PCB circuit board is ensured;
The clamping mechanism 3 is arranged in the inner cavity of the placing groove 2 and used for positioning and mounting the PCB circuit board, so that the circuit board is convenient to be subjected to surface mount processing;
The clamping mechanism 3 comprises a plurality of clamping blocks 31, the periphery of the circuit board is limited and fixed through the plurality of clamping blocks 31, the circuit board is stably arranged on the base plate 1, the bottoms of the inner walls of the placing grooves 2 are annular arrays, a plurality of movable grooves 32 are formed in the periphery of the bottoms of the inner walls of the placing grooves 2 respectively, the clamping blocks 31 are arranged, the inner cavities of the movable grooves 32 are connected with the bottoms of the clamping blocks 31 in a sliding penetrating manner, the clamping blocks 31 slide in the inner cavities of the movable grooves 32, the positions of the clamping blocks 31 are adjusted, the circuit boards with different sizes are clamped and fixed conveniently, adjusting screw rods 33 are connected between the bottoms of the plurality of clamping blocks 31 in a threaded penetrating manner, reverse threads are formed at two ends of the adjusting screw rods 33, the two ends of the adjusting screw rods 33 are respectively connected with two sides of the base plate 1 in a rotating penetrating manner, the two clamping blocks 31 at two sides are enabled to reversely move along the two ends of the adjusting screw rods 33, and the two clamping blocks 31 move to the two sides of the circuit board, and the circuit board is clamped and fixed;
the limiting mechanisms 4 are arranged on the clamping blocks 31 and used for limiting the positions of two sides of the PCB, so that the PCB can be positioned conveniently;
The limiting mechanism 4 comprises a fixed rod 41, the fixed rod 41 is used for installing the clamping blocks 31, two ends of the fixed rod 41 are fixedly connected with two sides of the inner wall of the movable groove 32 respectively, the clamping blocks 31 on the two sides slide along the fixed rod 41, the positions of the clamping blocks 31 on the two sides are adjusted, so that the two clamping blocks 31 extrude and position the two sides of the circuit board, and the fixed rod 41 is connected with the bottoms of the clamping blocks 31 in a sliding penetrating manner;
The fixed rod 41 is movably sleeved with a pressure spring 42, one end of the pressure spring 42 is attached to the outer wall of the clamping block 31, the other end of the pressure spring 42 is attached to the inner wall of the movable groove 32, the pressure spring 42 is used for pushing the clamping block 31 to one side, so that the inner wall of the clamping block 31 presses and pushes one side of the circuit board, and the pressure springs 42 and the clamping blocks 31 on the two sides are utilized to push the circuit board to move to the central position so as to position the circuit board;
The top threads of the clamping blocks 31 are connected with bolts 43 in a penetrating mode, the bolts 43 are arranged on the clamping blocks 31 on two sides, the clamping blocks 31 are threaded to rotate and used for driving the extrusion blocks 44 to move in the vertical direction, the bottom ends of the bolts 43 are fixedly connected with the extrusion blocks 44, the bottoms of the extrusion blocks 44 are made of rubber materials and used for extruding and fixing two sides of the upper surface of a circuit board, the extrusion blocks 44 are arranged in inner cavities of the clamping blocks 31, the bolts 43 are screwed down in a rotating mode, the extrusion blocks 44 are driven to move vertically downwards, the lower surfaces of the extrusion blocks 44 are pressed and fixed on the two sides of the circuit board, and stability of the circuit board is guaranteed;
The grip block 31 is L style of calligraphy setting, and the outer wall of grip block 31 bottom is laminated mutually with the inner wall of movable groove 32, guarantees the steady movement of grip block 31, and the inner wall through a plurality of grip blocks 31 is fixed to the extrusion all around of circuit board, has seted up reverse screw thread on the outer wall at adjusting screw 33 both ends, and adjusting screw 33's both ends are connected with the middle part screw thread interlude of a plurality of grip block 31 bottoms respectively.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (6)
1. An SMT process production tool fixture comprising:
The PCB processing device comprises a base plate (1), wherein a placing groove (2) is formed in the upper surface of the base plate (1) and used for accommodating and placing a PCB to be processed;
The method is characterized in that: a clamping mechanism (3) is arranged in the inner cavity of the placing groove (2) and used for positioning and mounting the PCB;
The clamping mechanism (3) comprises a plurality of clamping blocks (31), the bottoms of the inner walls of the placing grooves (2) are provided with a plurality of movable grooves (32) in an annular array, the inner cavities of the movable grooves (32) are connected with the bottoms of the clamping blocks (31) in a sliding penetrating mode, adjusting screws (33) are connected between the bottoms of the clamping blocks (31) in a threaded penetrating mode, and two ends of each adjusting screw (33) are respectively connected with two sides of the base plate (1) in a rotating penetrating mode;
And a limiting mechanism (4) is arranged on the clamping blocks (31) and used for limiting the positions of two sides of the PCB.
2. The SMT production tool fixture according to claim 1, wherein the limiting mechanism (4) comprises a fixed rod (41), two ends of the fixed rod (41) are fixedly connected with two sides of the inner wall of the movable groove (32) respectively, and the fixed rod (41) is slidably inserted and connected with the bottom of the clamping block (31).
3. The SMT machining production tool fixture according to claim 2, wherein the fixed rod (41) is movably sleeved with a pressure spring (42), one end of the pressure spring (42) is attached to the outer wall of the clamping block (31), and the other end of the pressure spring (42) is attached to the inner wall of the movable groove (32).
4. An SMT production tool fixture according to claim 2, wherein a bolt (43) is threaded through the top of the other clamping blocks (31), the bottom end of the bolt (43) is fixedly connected with an extrusion block (44), and the extrusion block (44) is arranged in the inner cavity of the clamping block (31).
5. The SMT production tool fixture according to claim 1, wherein the clamping block (31) is L-shaped, and an outer wall of the bottom of the clamping block (31) is attached to an inner wall of the movable groove (32).
6. The SMT production tool fixture according to claim 1, wherein the outer walls of the two ends of the adjusting screw (33) are provided with reverse threads, and the two ends of the adjusting screw (33) are respectively connected with the middle threads of the bottoms of the clamping blocks (31) in a penetrating manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323009990.9U CN221468260U (en) | 2023-11-08 | 2023-11-08 | SMT processing production frock clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323009990.9U CN221468260U (en) | 2023-11-08 | 2023-11-08 | SMT processing production frock clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221468260U true CN221468260U (en) | 2024-08-02 |
Family
ID=92372664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323009990.9U Active CN221468260U (en) | 2023-11-08 | 2023-11-08 | SMT processing production frock clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221468260U (en) |
-
2023
- 2023-11-08 CN CN202323009990.9U patent/CN221468260U/en active Active
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| GR01 | Patent grant |