Adjustable SMT jig device
By designing an adjustable SMT fixture, the limitations of existing fixtures for single-size circuit boards are overcome, enabling adaptive placement and cleaning of circuit boards of different sizes, reducing production costs and improving the pass rate of the mounting equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-21
- Publication Date
- 2026-04-10
AI Technical Summary
Existing SMT fixtures can only place circuit boards of one size, which means that multiple fixtures need to be manufactured when producing circuit boards of different sizes, increasing production costs.
An adjustable SMT fixture device was designed. By combining a bidirectional screw and an L-shaped fixing plate, the length and width of the circuit board can be adjusted. Combined with a drive device and a dust removal mechanism, it can accommodate the placement of circuit boards of different sizes and clean them before mounting.
It improves the versatility of the fixture device, reduces production costs, and increases the production qualification rate of the mounting equipment through the cleaning mechanism.
Smart Images

Figure CN224111553U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to SMT fixture device technical field, concretely is a kind of adjustable SMT fixture device. BACKGROUND
[0002] SMT is the abbreviation of surface mount technology, SMT is to install the leadless or short lead surface component device on the surface of printed circuit board or the surface of other substrate, when component device is installed in printed circuit board, SMT fixture device needs to be used, auxiliary SMT production, the main functions of SMT fixture device include bearing, fixed, positioning and guiding etc., to ensure that electronic component can be accurately, efficiently mounted on PCB.
[0003] In prior art, such as Chinese patent CN217849786U discloses a kind of SMT processing board fixture device, including support seat, support seat is equipped with article slot, article slot is equipped with article plate, article slot is rotatably connected with threaded rod, two moving plates are threadedly connected on threaded rod, the thread of the screw port in the two moving plates is reversely arranged, the top of the two moving plates is rotatably connected with pressure wheel, the bottom of article plate is fixedly connected with bottom plate, bottom plate is the rectangle plate of wide top and narrow bottom, the bottom of the both ends of article plate is fixedly connected with connecting block, the bottom of connecting block is fixedly connected with sliding block, the both sides of article slot are equipped with recess.
[0004] At present, most SMT fixtures in SMT fixture device can only place one size of circuit board, however, the size of circuit board produced in factory will be different, so different specifications of fixture need to be used to place it, but manufacturing multiple fixtures will increase production cost, so the existing equipment has certain limitation when using. UTILITY MODEL CONTENT
[0005] The utility model aims at providing a kind of adjustable SMT fixture device to solve the problems raised in the above background.
[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of adjustable SMT fixture device, including fixture device table, the upper end middle part of fixture device table is fixedly installed with feeding device, the inside of feeding device is provided with multiple SMT fixture bodies, the upper end middle part of SMT fixture body is equipped with sliding groove one, the inner wall one side of sliding groove one is rotatably connected with bidirectional screw rod, one end of bidirectional screw rod is fixedly connected with rotating block, one side of SMT fixture body is penetrated and is equipped with rotating groove, the inner wall of rotating groove is rotatably connected with the outer surface one side of bidirectional screw rod, the outer surface both sides of bidirectional screw rod are threadedly connected with positioning plate, two the one side of positioning plate is equipped with two sliding grooves two, the inner wall of four sliding grooves two is slidably connected with L type fixed plate.
[0007] As a further preferred of the technical solution, the outer surface of the L-shaped fixed plate is provided with a threaded groove, the inner wall of the threaded groove is threadedly connected with a fixed screw rod, one end of the fixed screw rod is fixedly connected with a rotating handle, and the other end of the fixed screw rod abuts against the inner wall of the sliding groove two.
[0008] As a further preferred of the technical solution, the upper end of the jig device table is fixedly connected with a protective cover, the outer surface of the protective cover is rotatably connected with a maintenance door, and the maintenance door is fixedly installed with transparent glass on one side.
[0009] As a further preferred of the technical solution, the upper end of the jig device table is fixedly connected with a protective cover, the outer surface of the protective cover is rotatably connected with a maintenance door, and the maintenance door is fixedly installed with transparent glass on one side.
[0010] As a further preferred of the technical solution, the upper end of the jig device table is fixedly connected with a protective cover, the outer surface of the protective cover is rotatably connected with a maintenance door, and the maintenance door is fixedly installed with transparent glass on one side.
[0011] As a further preferred of the technical solution, the upper end of the jig device table is fixedly connected with a protective cover, the outer surface of the protective cover is rotatably connected with a maintenance door, and the maintenance door is fixedly installed with transparent glass on one side.
[0012] The utility model provides a kind of adjustable SMT jig device, with following beneficial effects:
[0013] (1) the utility model discloses a rotating block is rotated by using tool, makes two-way screw rod rotate in sliding groove one, so that two positioning plates are mutually close in SMT jig body, adjust circuit board in SMT jig length, while rotating multiple rotating handles, remove the restriction of L-shaped fixed plate, slide L-shaped fixed plate, adjust circuit board in SMT jig width, realize that SMT jig body places different size circuit board, improve the versatility of SMT jig device, reduce production cost.
[0014] (2)The utility model discloses a placing SMT fixture body of circuit board is placed in the feeding device, and the SMT fixture body is moved under the driving of feeding device by opening the drive arrangement, and simultaneously, transmission mechanism drives dust stick to rotate, when SMT fixture body moves to the below of dust stick, dust stick cleans the surface of circuit board, prevents the surface of circuit board to have dust, improves the production qualified rate of equipment in mounting equipment. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;
[0016] Figure 2 It is the cross section explosion structure schematic diagram of cleaning box in the utility model;
[0017] Figure 3 It is Figure 2 The local enlarged schematic diagram of area A in it;
[0018] Figure 4 It is the three-dimensional structure schematic diagram of SMT fixture body in the utility model;
[0019] Figure 5 It is the explosion structure schematic diagram of SMT fixture body in the utility model;
[0020] Figure 6 It is Figure 5 The local enlarged schematic diagram of area B in it;
[0021] In the drawing: 1, fixture device table; 2, protective cover; 3, feeding device; 4, drive arrangement; 5, transmission mechanism; 6, cleaning box; 7, maintenance door; 8, transparent glass; 9, SMT fixture body; 10, dust stick; 11, sliding frame; 12, dust adhesive tape; 13, clamping block; 14, mounting plate; 15, clamping plate; 16, return spring; 17, positioning plate; 18, sliding groove one; 19, bidirectional screw; 20, L type fixed plate; 21, sliding groove two; 22, rotating block; 23, rotating groove; 24, fixed screw; 25, rotating handle; 26, thread groove. DETAILED DESCRIPTION
[0022] The technical scheme in the utility model embodiment will be clearly and completely described below in combination with the drawings in the utility model embodiment.
[0023] The utility model provides technical scheme: as Figure 1 - Figure 6As shown, in this embodiment, an adjustable SMT fixture device includes a fixture device table 1, an upper end of the fixture device table 1 is fixedly provided with a feeding device 3, the feeding device 3 is internally provided with a plurality of SMT fixture bodies 9, a sliding groove one 18 is formed in the upper end of the SMT fixture body 9, a bidirectional screw rod 19 is rotatably connected to one side of the inner wall of the sliding groove one 18, a rotating block 22 is fixedly connected to one end of the bidirectional screw rod 19, a rotating groove 23 is formed in one side of the SMT fixture body 9, the inner wall of the rotating groove 23 is rotatably connected to one side of the outer surface of the bidirectional screw rod 19, the outer surface of the bidirectional screw rod 19 is threadedly connected with a positioning plate 17, two sliding grooves two 21 are formed in one side of the two positioning plates 17, an L-shaped fixing plate 20 is slidably connected to the inner wall of each of the four sliding grooves two 21, the rotating block 22 is rotated by using a tool, the bidirectional screw rod 19 is rotated in the sliding groove one 18, the two positioning plates 17 are moved closer to each other in the SMT fixture body 9, the length of the circuit board in the SMT fixture is adjusted, meanwhile, a plurality of rotating handles 25 are rotated, the L-shaped fixing plate 20 is released from the limitation, the L-shaped fixing plate 20 is slid, the width of the circuit board in the SMT fixture is adjusted, the SMT fixture body 9 can place circuit boards of different sizes, the versatility of the SMT fixture device is improved, and the production cost is reduced, and the rotating groove 23 and the bidirectional screw rod 19 are in interference fit, thereby limiting the rotation of the bidirectional screw rod 19.
[0024] As shown in Figure 5 and Figure 6 , an L-shaped fixing plate 20 is externally provided with a threaded groove 26, the inner wall of the threaded groove 26 is threadedly connected with a fixed screw rod 24, one end of the fixed screw rod 24 is fixedly connected with a rotating handle 25, the other end of the fixed screw rod 24 abuts against the inner wall of the sliding groove two 21, and the L-shaped fixing plate 20 can be fixed through the structural design of the fixed screw rod 24 and the rotating handle 25.
[0025] As shown in Figure 1 , the upper end of the fixture device table 1 is fixedly connected with a protective cover 2, one side of the outer surface of the protective cover 2 is rotatably connected with a maintenance door 7, one side of the maintenance door 7 is fixedly provided with a transparent glass 8, the SMT fixture device can be in a closed space during mounting through the protective cover 2 and the maintenance door 7, and dust can be prevented from affecting the mounting effect.
[0026] As shown in Figure 1 and Figure 2As shown, one side of the feeding device 3 is fixedly installed with a driving device 4, the output rod outer surface of the driving device 4 is transmissionally connected with a transmission mechanism 5, one side of the upper end of the feeding device 3 is fixedly connected with a cleaning box 6, the inner wall of the cleaning box 6 is rotationally connected with a dust sticking rod 10, the output end of the transmission mechanism 5 is transmissionally connected with one end of the dust sticking rod 10, by placing the SMT fixture body 9 placing the circuit board in the feeding device 3, the driving device 4 is started, the SMT fixture body 9 is moved under the driving of the feeding device 3, at the same time, the transmission mechanism 5 drives the dust sticking rod 10 to rotate, when the SMT fixture body 9 moves to the lower side of the dust sticking rod 10, the dust sticking rod 10 cleans the surface of the circuit board, prevents the surface of the circuit board from having dust, and improves the production qualified rate of the equipment in the mounting equipment.
[0027] As Figure 2 As shown, the inside top of the cleaning box 6 is slidingly connected with a sliding frame 11, the inner wall of the sliding frame 11 is rotationally connected with a dust sticking tape 12, the outer surface of the dust sticking tape 12 is attached to the outer surface of the dust sticking rod 10, through the structural design of the dust sticking tape 12, when the dust sticking rod 10 cleans the surface of the circuit board, the dust sticking tape 12 sticks the surface of the dust sticking rod 10, then the sliding frame 11 is pulled to replace the dust sticking tape 12, and this structure can prevent the dust sticking effect of the dust sticking rod 10 from being poor after long-time use.
[0028] As Figure 2 And Figure 3 As shown, one side of the sliding frame 11 is fixedly connected with a clamping block 13, the inner wall of the cleaning box 6 is fixedly connected with a mounting plate 14, the mounting plate 14 is rotationally connected with two clamping plates 15 on one side, the outer surface of the two clamping plates 15 is fixedly connected with a reset spring 16 on one side, one end of the two reset springs 16 is fixedly connected with the two sides of the mounting plate 14, respectively, the clamping block 13 is clamped between the two clamping plates 15, through the structural design of the reset spring 16 and the two clamping plates 15, the sliding frame 11 can be fixed, and the unstable installation of the sliding frame 11 is prevented.
[0029] The utility model provides a kind of adjustable SMT fixture device, specific working principle is as follows:
[0030] When the SMT is carried out on the circuit board, first, the circuit board is placed in the SMT fixture body 9, then the SMT fixture body 9 is placed in the feeding device 3, the driving device 4 is started, the SMT fixture body 9 is moved under the driving of the feeding device 3, at the same time, the transmission mechanism 5 drives the dust stick 10 to rotate, when the SMT fixture body 9 moves to the lower side of the dust stick 10, the dust stick 10 cleans the surface of the circuit board, when the SMT fixture body 9 moves to the protective cover 2, the mounting equipment in the protective cover 2 mounts the circuit board, after mounting, the circuit board is moved out from the other end of the feeding device 3, when the circuit board with different sizes is mounted, the tool is used to rotate the rotating block 22, the bidirectional screw rod 19 is rotated in the sliding groove 18, the two positioning plates 17 are adjusted to be close to each other in the SMT fixture body 9, the length of the circuit board in the SMT fixture is adjusted, at the same time, the rotating handle 25 is rotated, the restriction of the L-shaped fixing plate 20 is released, the L-shaped fixing plate 20 is slid, the width of the circuit board in the SMT fixture is adjusted, when the positioning plate 17 and the L-shaped fixing plate 20 are adjusted to the appropriate position, the rotating handle 25 is reversely rotated, the L-shaped fixing plate 20 is fixed, then the above operation is repeated to mount.
[0031] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. An adjustable SMT fixture device comprising a fixture device table (1), characterized in that: A feeding device (3) is fixedly installed at the middle of the upper end of the fixture device (1). Multiple SMT fixture bodies (9) are arranged inside the feeding device (3). A sliding groove (18) is opened at the middle of the upper end of the SMT fixture body (9). A bidirectional screw (19) is rotatably connected to one side of the inner wall of the sliding groove (18). A rotating block (22) is fixedly connected to one end of the bidirectional screw (19). A rotating groove (23) is opened through one side of the SMT fixture body (9). The inner wall of the rotating groove (23) is rotatably connected to one side of the outer surface of the bidirectional screw (19). Positioning plates (17) are threadedly connected to both sides of the outer surface of the bidirectional screw (19). Two sliding grooves (21) are opened on one side of each of the two positioning plates (17). An L-shaped fixing plate (20) is slidably connected to the inner wall of each of the four sliding grooves (21). A drive device (4) is fixedly installed on one side of the feeding device (3). A transmission mechanism (5) is connected to the outer surface of the output rod of the drive device (4). A cleaning box (6) is fixedly connected to the upper side of the feeding device (3). A dust stick (10) is rotatably connected to the inner wall of the cleaning box (6). The output end of the transmission mechanism (5) is connected to one end of the dust stick (10).
2. The adjustable SMT fixture device of claim 1, wherein: A threaded groove (26) is provided through one side of the outer surface of the L-shaped fixing plate (20). A fixing screw (24) is threadedly connected to the inner wall of the threaded groove (26). A rotating handle (25) is fixedly connected to one end of the fixing screw (24), and the other end of the fixing screw (24) abuts against the inner wall of the sliding groove (21).
3. The adjustable SMT fixture device of claim 1, wherein: A protective cover (2) is fixedly connected to the upper end of the fixture device platform (1). A maintenance door (7) is rotatably connected to one side of the outer surface of the protective cover (2). A transparent glass (8) is fixedly installed on one side of the maintenance door (7).
4. The adjustable SMT fixture device of claim 1, wherein: The cleaning box (6) is slidably connected to the top of the interior with a sliding frame (11), and the inner wall of the sliding frame (11) is rotatably connected with a dust-adhesive cloth (12). The outer surface of the dust-adhesive cloth (12) is attached to the outer surface of the dust-adhesive stick (10).
5. The adjustable SMT fixture device of claim 4, wherein: A locking block (13) is fixedly connected to one side of the sliding frame (11), and an installation plate (14) is fixedly connected to one side of the inner wall of the cleaning box (6). Two clamping plates (15) are rotatably connected to one side of the installation plate (14). A return spring (16) is fixedly connected to one side of the outer surface of each of the two clamping plates (15). One end of each of the two return springs (16) is fixedly connected to both sides of the installation plate (14). The locking block (13) is located between the two clamping plates (15) and engages with them.
Citation Information
Patent Citations
SMT (Surface Mount Technology) processing board splitting jig device
CN217849786U