Coupling for width adjusting mechanism of reflow soldering furnace

Abstract

The utility model discloses a coupler for a width adjusting mechanism of a reflow soldering furnace, which comprises a transmission shaft main body, clamping heads are arranged at two ends of the transmission shaft main body, the transmission shaft main body is connected with a fixed clamping sleeve through the clamping heads, and a detachable structure is arranged between the clamping heads and the fixed clamping sleeve. The center of the surface of the second bevel gear is connected with a fixing clamping frame and an adjusting clamping frame through fixing shafts, and the adjusting clamping frame is used for controlling and adjusting the installation angle of the third bevel gear. The two ends of the transmission shaft body are conveniently clamped and fixed, so that meshing transmission among the three bevel gears can be driven and controlled, the adjusting clamping frame can be used for controlling and adjusting the installation angle of the third bevel gear, and therefore the installation angle of a shaft connector connected with the shaft end of the third bevel gear can be conveniently adjusted; and a coupling transmission mechanism at any angle can be conveniently mounted according to the requirements of the width adjusting mechanism, and the adjustment and control are convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of couplings, in particular to a coupling used for a width adjustment mechanism of a reflow soldering furnace. Background Art

[0002] Reflow ovens are widely used in surface mount production. To accommodate various circuit board sizes, reflow equipment is typically equipped with a conveyor assembly with adjustable width. This assembly typically consists of a conveyor track, conveyor chain, power unit, width adjustment mechanism, tensioning mechanism, fixing components, and an automatic oiling system.

[0003] Chinese patent document CN114165528B discloses a coupling for a reflow oven width adjustment mechanism, relating to the technical field of SMT surface mount production equipment. A sliding shaft passes through a linear sleeve, a spring pressure cap sleeved on the sliding shaft is connected and fixed to the end of the linear sleeve, and a spring sleeve is placed on the sliding shaft inside the linear sleeve. A guide pin passes through a linear guide groove and is inserted into the guide pin mounting groove of the sliding shaft for assembly. Multiple sets of spiral guide grooves are distributed within the deflection sleeve wall, a spiral guide platform is provided at one end of the deflection shaft, and a spiral guide platform is provided on the outer surface of the deflection slider. The guide grooves on the linear sleeve allow the width adjustment shaft to extend freely when heated, preventing bending deformation caused by thermal stress. The combination of the spring and the spiral guide grooves enables synchronous rotation at room temperature and disconnected rotation at high temperatures, ensuring consistent position of the width adjustment gear on the shaft, and thus ensuring consistent width of the conveyor guide rail.

[0004] The above-mentioned prior art cannot connect and fix the shaft end of the coupling assembly at multiple angles, resulting in a narrow operating transmission range. Therefore, it is necessary to develop a coupling for the width adjustment mechanism of a reflow soldering furnace. Utility Model Content

[0005] The purpose of the present utility model is to provide a coupling for a width adjustment mechanism of a reflow soldering furnace, so as to solve the problem that the prior art proposed in the above background technology cannot connect and fix the shaft end of the coupling assembly at multiple angles, resulting in a narrow operating transmission range.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a coupling for a width adjustment mechanism of a reflow soldering furnace, comprising a transmission shaft body, a card joint is provided at both ends of the transmission shaft body, the transmission shaft body is connected to a fixed card sleeve through the card joint, a detachable structure is formed between the card joint and the fixed card sleeve, one end of the fixed card sleeve is fixedly connected to a first bevel gear through a shaft, the first bevel gear is connected to a second bevel gear through meshing transmission, the second bevel gear is connected to a third bevel gear through meshing transmission, the surface center of the second bevel gear is respectively connected to a fixed card bracket and an adjustment card bracket through a fixed shaft, and the adjustment card bracket is used to control and adjust the installation angle of the third bevel gear.

[0007] Preferably, a limit card strip is provided on the surface of the clamping joint, and a limit card groove is provided on the inner wall of the fixed clamping sleeve, and the limit card strip and the limit card groove are correspondingly clamped and fixed.

[0008] Preferably, a fixing slot is provided at the front end of the fixing bracket, and the fixing bracket is connected to the shaft end of the fixing sleeve through the fixing slot.

[0009] Preferably, first axial holes are provided at both ends of the fixed bracket, and the fixed bracket is correspondingly connected to the fixed shaft through the first axial holes.

[0010] Preferably, a shaft connector is fixedly connected to the center of the surface of the third bevel gear via a shaft.

[0011] Preferably, second axial holes are provided at both ends of the adjusting bracket, and the adjusting bracket is correspondingly connected to the fixed shaft through the second axial holes.

[0012] Preferably, a fixing slot is provided at the front end of the adjusting bracket, and the adjusting bracket is connected to the shaft end of the shaft connector through the fixing slot.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] The utility model conveniently clamps and fixes the two ends of the transmission shaft body, thereby driving and controlling the meshing transmission between the three bevel gears. The adjustment bracket can be used to control the installation angle of the third bevel gear, thereby facilitating the adjustment of the installation angle of the shaft connector connected to its shaft end, and facilitating the installation of a coupling transmission mechanism of any angle according to the requirements of the width adjustment mechanism, thereby improving the shaft end transmission range of the coupling assembly and having the advantage of convenient adjustment and control. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a side structural diagram of the utility model;

[0017] Figure 3 It is a schematic diagram of the partial decomposition structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the transmission shaft main body connection structure of the present utility model.

[0019] In the figure: 1. Drive shaft body; 2. Card joint; 3. Fixed sleeve; 4. Fixed bracket; 5. Adjustable bracket; 6. Fixed slot; 7. First bevel gear; 8. Second bevel gear; 9. Fixed shaft; 10. First shaft hole; 11. Third bevel gear; 12. Shaft connector; 13. Second shaft hole; 14. Limiting strip; 15. Limiting slot. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0021] See also Figure 1-4 The utility model provides an embodiment: a coupling for a width adjustment mechanism of a reflow soldering furnace, comprising a transmission shaft body 1, with card joints 2 provided at both ends of the transmission shaft body 1, the transmission shaft body 1 is connected to a fixed card sleeve 3 through the card joint 2, and a detachable structure is formed between the card joint 2 and the fixed card sleeve 3, one end of the fixed card sleeve 3 is fixedly connected to a first bevel gear 7 through a shaft, the first bevel gear 7 is connected to a second bevel gear 8 through meshing transmission, the second bevel gear 8 is connected to a third bevel gear 11 through meshing transmission, and the center of the surface of the second bevel gear 8 is respectively connected to a fixed card frame 4 and an adjusting card frame 5 through a fixed shaft 9, and the adjusting card frame 5 is used to control and adjust the installation angle of the third bevel gear 11.

[0022] Furthermore, a limiting card strip 14 is provided on the surface of the clamping joint 2, and a limiting card groove 15 is provided on the inner wall of the fixed clamping sleeve 3. The limiting card strip 14 and the limiting card groove 15 are correspondingly clamped and fixed, thereby facilitating the rapid clamping and fixing between the transmission shaft body 1 and the fixed clamping sleeve 3, and having the advantages of convenient and quick installation and disassembly.

[0023] Furthermore, a fixing slot 6 is provided at the front end of the fixed bracket 4 , and the fixed bracket 4 is connected to the axial end of the fixed sleeve 3 through the fixing slot 6 , so as to facilitate rapid limiting and fixing of the fixed bracket 4 .

[0024] Furthermore, first axial holes 10 are provided at both ends of the fixed bracket 4 , and the fixed bracket 4 is correspondingly connected to the fixed shaft 9 through the first axial holes 10 , thereby facilitating rapid alignment and installation of the fixed bracket 4 and the fixed shaft 9 .

[0025] Furthermore, a shaft connector 12 is fixedly connected to the center of the surface of the third bevel gear 11 via a shaft.

[0026] Furthermore, second shaft holes 13 are provided at both ends of the adjusting bracket 5 , and the adjusting bracket 5 is correspondingly connected to the fixed shaft 9 through the second shaft holes 13 , thereby facilitating rapid alignment and installation of the adjusting bracket 5 and the fixed shaft 9 .

[0027] Furthermore, a fixing slot 6 is provided at the front end of the adjustment bracket 5 , and the adjustment bracket 5 is connected to the shaft end of the shaft connector 12 through the fixing slot 6 , so as to facilitate adjustment of the installation angle of the shaft connector 12 .

[0028] Working principle: When in use, both ends of the transmission shaft body 1 are provided with card joints 2, and the transmission shaft body 1 is connected to the fixed card sleeve 3 through the card joint 2. A limit card strip 14 is provided on the surface of the card joint 2, and a limit card groove 15 is provided on the inner wall of the fixed card sleeve 3. The limit card strip 14 and the limit card groove 15 are correspondingly connected and fixed, so as to facilitate the rapid connection and fixation between the transmission shaft body 1 and the fixed card sleeve 3, and has the advantages of convenient and quick installation and disassembly. One end of the fixed card sleeve 3 is fixedly connected to the first bevel gear 7 through the shaft, and the transmission shaft body 1 drives and controls the first bevel gear 7 to rotate. The first bevel gear 7 is connected to the second bevel gear 8 through meshing transmission, and the second bevel gear 8 is connected to the third bevel gear 11 through meshing transmission. The surface center of the gear 8 is respectively connected to the fixed bracket 4 and the adjusting bracket 5 through the fixed shaft 9. Under the rotation of the first bevel gear 7, the second bevel gear 8 and the third bevel gear 11 can be driven and controlled to perform synchronous transmission. Since the front end of the adjusting bracket 5 is provided with a fixed slot 6, the adjusting bracket 5 is connected to the shaft end of the shaft connector 12 through the fixed slot 6. When the installation angle of the adjusting bracket 5 is adjusted, the installation angle of the third bevel gear 11 fixed thereto also changes, thereby prompting the installation angle of the shaft connector 12 connected to the third bevel gear 11 to change accordingly, thereby facilitating the installation of a coupling transmission mechanism of any angle according to the requirements of the width adjustment mechanism, thereby improving the shaft end transmission range of the coupling assembly.

[0029] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0030] The standard parts used in this application document can all be purchased from the market, and the specific connection methods of each part are connected by conventional means such as mature bolts, rivets, welding, etc. in the existing technology. In addition, the machinery, parts and equipment all adopt conventional models in the existing technology, and the circuit connection adopts the conventional connection method in the existing technology, which will not be described in detail here.

[0031] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A coupling for a width adjustment mechanism of a reflow oven, comprising a transmission shaft body (1), characterized in that: Both ends of the transmission shaft body (1) are provided with clamping joints (2), the transmission shaft body (1) is connected to a fixed clamping sleeve (3) via the clamping joint (2), the clamping joint (2) and the fixed clamping sleeve (3) are in a detachable structure, one end of the fixed clamping sleeve (3) is fixedly connected to a first bevel gear (7) via a shaft, the first bevel gear (7) is connected to a second bevel gear (8) via meshing transmission, the second bevel gear (8) is connected to a third bevel gear (11) via meshing transmission, the center of the surface of the second bevel gear (8) is respectively connected to a fixed clamping frame (4) and an adjustment clamping frame (5) via a fixed shaft (9), the adjustment clamping frame (5) is used to control and adjust the installation angle of the third bevel gear (11).

2. The coupling for a width adjustment mechanism of a reflow oven according to claim 1, characterized in that: A limit clamping strip (14) is provided on the surface of the clamping joint (2), and a limit clamping groove (15) is provided on the inner wall of the fixed clamping sleeve (3). The limit clamping strip (14) and the limit clamping groove (15) are correspondingly clamped and fixed.

3. The coupling for a width adjustment mechanism of a reflow oven according to claim 1, characterized in that: A fixing slot (6) is provided at the front end of the fixing bracket (4), and the fixing bracket (4) is connected to the shaft end of the fixing sleeve (3) via the fixing slot (6).

4. The coupling for a width adjustment mechanism of a reflow oven according to claim 1, characterized in that: First axial holes (10) are provided at both ends of the fixed bracket (4), and the fixed bracket (4) is correspondingly connected to the fixed shaft (9) through the first axial holes (10).

5. The coupling for a width adjustment mechanism of a reflow oven according to claim 1, characterized in that: A shaft connector (12) is fixedly connected to the center of the surface of the third bevel gear (11) via a shaft.

6. The coupling for a width adjustment mechanism of a reflow oven according to claim 1, characterized in that: Second shaft holes (13) are provided at both ends of the adjusting bracket (5), and the adjusting bracket (5) is correspondingly connected to the fixed shaft (9) through the second shaft holes (13).

7. The coupling for a width adjustment mechanism of a reflow oven according to claim 1, characterized in that: A fixing slot (6) is provided at the front end of the adjusting bracket (5), and the adjusting bracket (5) is connected to the shaft end of the shaft connector (12) through the fixing slot (6).

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