Positioning jig for SMT patch production
By designing a flexible fixing structure with positioning slots, connecting slots, and movable blocks, the problem that existing positioning fixtures cannot adapt to circuit boards of different sizes is solved, achieving accurate positioning and flexible application of the equipment, and enhancing the adaptability and ease of operation of the production line.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-18
- Publication Date
- 2026-03-27
AI Technical Summary
Existing SMT production positioning fixtures cannot adapt to circuit boards of different sizes and complex shapes, resulting in inaccurate positioning and limiting the flexibility and adaptability of the production line.
A positioning fixture comprising a positioning plate, a positioning groove, a connecting groove, a mounting plate, and a limiting pad is designed. Through the cooperation of the movable block and the spring, the circuit board is flexibly fixed to avoid damage, and the reliability of the device is enhanced by the connection of the clamping plate and the spring.
It enables accurate positioning of circuit boards of different sizes, improves the application range of the equipment and the flexibility of the production line, enhances the ease of operation and the reliability of the connection, and avoids damage to the circuit boards.
Smart Images

Figure CN224054675U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of SMT production, especially a positioning fixture for SMT patch production. BACKGROUND
[0002] SMT patch is a kind of modern electronic component assembly technology, it installs electronic component directly on the surface of circuit board.SMT production can help ensure that every component is in accurate position in the process of mounting through positioning fixture, to improve the precision of production.
[0003] The positioning fixture used in the prior art SMT production, by placing the circuit board in the adaptive positioning disc, the position of the circuit board is fixed, but the positioning disc of the positioning fixture is usually designed according to the circuit board of specific size, therefore, if the size of the circuit board is inconsistent, it will lead to inaccurate positioning, and it is difficult to adapt to the circuit board of complex shape, which will limit its application range, reduce the flexibility and adaptability of production line. UTILITY MODEL CONTENT
[0004] The utility model mainly aims at providing a positioning fixture for SMT patch production, which can effectively solve the technical problems in the background art.
[0005] To achieve the above-mentioned purpose, the utility model takes the technical scheme that:
[0006] A positioning fixture for SMT patch production, comprising a positioning disc, a positioning groove is formed in one side of the positioning disc, connecting grooves are formed in both sides of the positioning disc, an installation plate is arranged in the connecting groove, a receiving groove is formed in one side of the installation plate, a limiting soft pad is movably arranged in the receiving groove, a movable groove is formed in one side of the receiving groove, a movable block is slidably arranged in the movable groove, and one end of the movable block is fixedly connected with one side of the limiting soft pad; an installation cavity is formed in one side of the movable groove, a first spring is fixedly connected in the installation cavity, one end of the first spring is fixedly connected with a connecting plate, and one side of the connecting plate is fixedly connected with one side of the movable block; a moving assembly is arranged on the installation plate, and the moving assembly is used for moving the movable block.
[0007] As a further scheme of the utility model, the moving assembly comprises a moving groove formed in one side of the movable groove, a moving plate is slidably arranged in the moving groove, and one end of the moving plate is fixedly connected with one side of the movable block.
[0008] As a further scheme of the utility model, two groups of clamping grooves are formed in the two connecting grooves, and the two groups of clamping grooves are symmetrically distributed about the central axis of the connecting groove.
[0009] As a further scheme of the present utility model, two groups of clamping plates are welded on the two groups of mounting plates, and the two groups of clamping plates are symmetrically distributed, and one end of the clamping plate extends into the clamping groove.
[0010] As a further scheme of the present utility model, a circular through hole is formed in the clamping plate, a second spring is arranged in the circular through hole, and a fixed block is fixedly connected to the other end of the second spring.
[0011] As a further scheme of the present utility model, a fixing hole is formed in one side of the clamping groove, and the fixing hole and the fixed block are mutually matched.
[0012] As a further scheme of the present utility model, a handle is fixedly connected to the top end of the moving plate, and the edge of the handle is chamfered.
[0013] The present utility model has the following beneficial effects:
[0014] The first spring in the mounting cavity of the mounting plate exerts a pressing force on the connecting plate, and the connecting plate simultaneously drives the sliding of the movable block in the movable groove, so that the movable block pushes the limiting cushion to move to the edge of the circuit board, the side of the limiting cushion is tightly attached to the edge of the circuit board, the position of the circuit board in the positioning groove is fixed through the cooperation of the two groups of limiting cushions, the positioning of the circuit board is completed, the circuit board is protected through the adoption of the soft cushion, the positioning disc of the positioning fixture cannot adapt to circuit boards of different sizes and is not accurately placed, the application range of the equipment is greatly improved, and the flexibility and adaptability of the production line are greatly increased.
[0015] After the mounting plate is clamped in the connecting groove, the second spring in the circular through hole pushes the one end of the fixed block into the fixing hole, so that the clamping plate is fixed in the clamping groove, and the mounting plate and the positioning disc are fixedly connected together, and the connection reliability of the equipment is improved. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is an overall structural schematic view of the positioning fixture for SMT patch production.
[0017] Figure 2 It is a sectional view of the positioning fixture for SMT patch production.
[0018] Figure 3 It is a sectional view of the positioning fixture for SMT patch production. Figure 2
[0019] Figure 4 It is a sectional view of the positioning fixture for SMT patch production. Figure 3
[0020] Figure 5 The utility model discloses a positioning jig for SMT patch production Figure 2 The enlarged view of the middle A;
[0021] Figure 6 The utility model discloses a positioning jig for SMT patch production Figure 3 The enlarged view of the middle B.
[0022] In the figure: 1, positioning disc;2, positioning groove;3, connecting groove;4, mounting plate;5, storage groove;6, limit soft pad;7, movable slot;8, movable block;9, installation cavity;10, connecting plate;11, first spring;12, moving groove;13, moving plate;14, clamping groove;15, clamping plate;16, fixed hole;17, fixed block;18, second spring;19, handle. DETAILED DESCRIPTION
[0023] In order to make the technical means, creation features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific embodiments.
[0024] As Figures 1-6 Indicated, a kind of positioning jig for SMT patch production, including positioning disc 1, positioning disc 1 side is equipped with positioning groove 2, positioning disc 1 both sides are equipped with connecting groove 3, connecting groove 3 is provided with mounting plate 4, mounting plate 4 side is equipped with storage groove 5, storage groove 5 is movably provided with limit soft pad 6 in, storage groove 5 side is equipped with movable slot 7, movable block 8 is slidably arranged in movable slot 7, movable block 8 one end is fixedly connected with limit soft pad 6 side.
[0025] In the embodiment, movable slot 7 side is equipped with installation cavity 9, first spring 11 is fixedly connected in installation cavity 9, one end of first spring 11 is fixedly connected with connecting plate 10, connecting plate 10 side is fixedly connected with movable block 8 side;Mounting plate 4 is provided with moving assembly, and moving assembly is used to move movable block 8.
[0026] When the circuit board placed in the positioning groove 2 of the positioning disc 1 needs to be fixed, first, the mounting plate 4 is fixed in the connecting groove 3 in advance, the first spring 11 in the mounting cavity 9 of the mounting plate 4 exerts a pressing force on the connecting plate 10, and the connecting plate 10 simultaneously drives the movable block 8 in the movable groove 7 to slide, so that the movable block 8 pushes the limiting soft pad 6 to move to the edge of the circuit board, and the side of the limiting soft pad 6 is tightly attached to the edge of the circuit board, and the position of the circuit board in the positioning groove 2 is fixed through the cooperation of the two sets of limiting soft pads 6, so as to complete the positioning of the circuit board, and the soft pad is adopted to avoid damaging the circuit board, so as to protect the circuit board; so as to solve the problem that the positioning disc of the positioning jig cannot adapt to circuit boards of different sizes and is not accurately placed, thereby greatly improving the application range of the equipment, and greatly increasing the flexibility and adaptability of the production line.
[0027] In the embodiment, the moving assembly includes a moving groove 12 formed on one side of the movable groove 7, and a moving plate 13 is slidably arranged in the moving groove 12.
[0028] The moving plate 13 is conveniently slid on the mounting plate 4 through the moving groove 12 in the moving assembly, so as to conveniently move the movable block 8 driven by the moving plate 13, thereby moving the limiting soft pad 6 into the storage groove 5 to release the limitation on the circuit board, facilitating the use of the user, and greatly increasing the convenience of operation of the equipment.
[0029] Meanwhile, the top end of the moving plate 13 is fixedly connected with a handle 19, and the edge of the handle 19 is chamfered. Through the setting of the handle 19, the user can conveniently pull the moving plate 13 to move, so as to facilitate the operation of the equipment, and the edge is chamfered to avoid hurting the user.
[0030] In the embodiment, two sets of clamping grooves 14 are formed on the two sets of connecting grooves 3, the two sets of clamping grooves 14 are symmetrically distributed about the central axis of the connecting groove 3, two sets of clamping plates 15 are welded on the two sets of mounting plates 4, the two sets of clamping plates 15 are symmetrically distributed, and one end of the clamping plate 15 extends into the clamping groove 14.
[0031] By clamping the clamping plate 15 on the two sides of the mounting plate 4 into the clamping groove 14, the mounting plate 4 is limited in the connecting groove 3, so as to complete the preliminary connection of the mounting plate 4 and the positioning disc 1, and facilitate the positioning of the circuit board in the positioning groove 2.
[0032] In the embodiment, a circular through hole is formed in the clamping plate 15, a second spring 18 is arranged in the circular through hole, the other end of the second spring 18 is fixedly connected with a fixing block 17, a fixing hole 16 is formed on one side of the clamping groove 14, and the fixing hole 16 and the fixing block 17 are mutually matched.
[0033] When the mounting plate 4 is clamped in the connecting groove 3, the second spring 18 in the circular through hole will push one end of the fixed block 17 into the fixed hole 16, thereby fixing the clamping plate 15 in the clamping groove 14, and firmly connecting the mounting plate 4 and the positioning disc 1 together, and increasing the firmness of the equipment connection.
[0034] It should be noted that the utility model discloses a positioning jig for SMT patch production, when the circuit board placed in the positioning groove 2 of the positioning disc 1 needs to be fixed, first, the clamping plate 15 on both sides of the mounting plate 4 is clamped in the clamping groove 14, thereby limiting the mounting plate 4 in the connecting groove 3, and the preliminary connection of the mounting plate 4 and the positioning disc 1 is completed, when the mounting plate 4 is clamped in the connecting groove 3, the second spring 18 in the circular through hole will push one end of the fixed block 17 into the fixed hole 16, thereby fixing the clamping plate 15 in the clamping groove 14, and fixing the mounting plate 4 and the positioning disc 1 together, the first spring 11 in the mounting cavity 9 of the mounting plate 4 exerts a pressing force on the connecting plate 10, and the connecting plate 10 simultaneously drives the movable block 8 in the movable groove 7 to slide, thereby the movable block 8 pushes the limiting soft pad 6 to move to the edge of the circuit board, and the one side of the limiting soft pad 6 is tightly attached to the edge of the circuit board, the position of the circuit board in the positioning groove 2 is fixed through the cooperation of the two groups of limiting soft pads 6, and the positioning of the circuit board is completed.
[0035] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.
Claims
1. A positioning jig for SMT patch production, comprising a positioning disc (1), one side of the positioning disc (1) is provided with a positioning groove (2), characterized in that: The positioning disc (1) is provided with connecting grooves (3) on both sides, mounting plates (4) are arranged in the connecting grooves (3), receiving grooves (5) are formed on one side of the mounting plates (4), limiting soft pads (6) are movably arranged in the receiving grooves (5), movable grooves (7) are formed on one side of the receiving grooves (5), movable blocks (8) are slidably arranged in the movable grooves (7), and one end of the movable blocks (8) is fixedly connected with one side of the limiting soft pads (6). One side of the movable grooves (7) is provided with mounting cavities (9), the mounting cavities (9) are fixedly connected with first springs (11), one end of the first springs (11) is fixedly connected with connecting plates (10), and one side of the connecting plates (10) is fixedly connected with one side of the movable blocks (8). The mounting plates (4) are provided with moving assemblies, and the moving assemblies are used for moving the movable blocks (8).
2. The positioning jig for SMT patch production according to claim 1, characterized in that: The moving assemblies comprise moving grooves (12) formed on one side of the movable grooves (7), the moving grooves (12) are slidably provided with moving plates (13), and one end of the moving plates (13) is fixedly connected with one side of the movable blocks (8).
3. The positioning jig for SMT patch production according to claim 1, characterized in that: Two groups of clamping grooves (14) are formed on the two groups of connecting grooves (3) and are symmetrically distributed about the central axis of the connecting grooves (3).
4. The positioning jig for SMT patch production according to claim 1, characterized in that: Two groups of clamping plates (15) are welded on the two groups of mounting plates (4) and are symmetrically distributed, and one end of the clamping plates (15) extends into the clamping grooves (14).
5. The positioning jig for SMT patch production according to claim 4, characterized in that: Round through holes are formed in the clamping plates (15), second springs (18) are arranged in the round through holes, and the other end of the second springs (18) is fixedly connected with fixed blocks (17).
6. The positioning jig for SMT patch production according to claim 4, characterized in that: Fixed holes (16) are formed on one side of the clamping grooves (14), and the fixed holes (16) and the fixed blocks (17) are mutually matched.
7. The positioning jig for SMT patch production according to claim 2, characterized in that: The moving plates (13) are fixedly connected with handles (19) at the top ends, and the edges of the handles (19) are chamfered.