CN216607564U

CN216607564U - A tool casting die for wave-soldering

Info

Publication number: CN216607564U
Application number: CN202121125198.8U
Authority: CN
Inventors: 连先文
Original assignee: Shenzhen Honghai Hengchi Technology Co ltd
Current assignee: Shenzhen Honghai Hengchi Technology Co ltd
Priority date: 2021-05-25
Filing date: 2021-05-25
Publication date: 2022-05-27
Anticipated expiration: 2031-05-25

Abstract

The utility model discloses a jig pressing piece for wave-soldering, which comprises a rod, wherein one end of the rod is provided with a rod head, the other end of the rod is provided with a workpiece pressing tool, the rod is sleeved with a sleeve and a spring which can axially slide along the rod, one end of the spring is connected to the sleeve, the other end of the spring is connected to the workpiece pressing tool, and the periphery of the sleeve is provided with an assembling surface for assembling the sleeve on a jig; the rod is provided with a buckle cap used for helping the rod to be limited on the jig, and the buckle cap is positioned between the rod head and the sleeve. The utility model provides a pressing piece for an electronic device wave-soldering jig, which meets the function of elastic adjustment during specific use by arranging a spring, realizes quick installation and positioning by arranging a sleeve and an assembling surface on the sleeve, and prevents the whole pressing piece from slipping relative to the jig by arranging a buckle cap.

Description

A tool casting die for wave-soldering

Technical Field

The utility model relates to the technical field of jigs, in particular to a jig pressing piece for wave-soldering.

Background

Wave soldering is the soldering purpose achieved by directly contacting the soldering surface of the plug-in board with high-temperature liquid tin, the high-temperature liquid tin keeps an inclined surface, and the liquid tin forms a wave-like phenomenon by a special device, so the wave soldering is called as wave soldering, and the main material of the wave soldering is soldering tin bars.

Wave soldering is also used in the soldering of electronic devices on circuit boards, and in the soldering process, the positioning of electronic devices is realized, and the soldering characteristics are utilized to realize the precise control action, so that a corresponding jig is arranged, and in the use of the jig, in order to improve the performance, an additional pressing piece is designed. Now in order to satisfy the needs, the casting die of present design is the round pin form, and the casting die that sets up is in a great quantity on the tool, adopts the manual work to insert the casting die of round pin form and run through the tool (also be provided with corresponding pilot hole on the tool) when assembling the casting die to the tool, then sets up the bolt with the one end of casting die in order to realize spacingly to be unlikely to the casting die and break away from after rolling back. In addition, in order to meet the assembly requirement of the pressing piece, the jig is provided with another cylindrical limiting piece to avoid excessive carrying. Thus, more manpower, time and material are consumed.

SUMMERY OF THE UTILITY MODEL

In view of the above situation, the present invention provides a pressing element for a wave soldering fixture, and the solution is as follows:

a jig pressing piece for wave-soldering comprises a rod, wherein one end of the rod is provided with a rod head, the other end of the rod is provided with a workpiece pressing tool, the rod is sleeved with a sleeve and a spring which can axially slide along the rod, one end of the spring is connected to the sleeve, the other end of the spring is connected to the workpiece pressing tool, and the periphery of the sleeve is provided with an assembling surface for assembling the sleeve on a jig; the rod is provided with a buckle cap for helping the rod to be limited on the jig, and the buckle cap is positioned between the rod head and the sleeve.

Furthermore, the buckle cap can be axially and slidably arranged on the rod, the periphery of the buckle cap comprises a straight section and a conical section which are connected, the conical section is close to the rod head relative to the straight section, and the end part of the conical section is provided with a notch; the part of the rod close to the rod head is formed into a conical surface shape, and the small-caliber end of the conical surface shape is close to the rod head relative to the large-caliber end so as to conveniently expand the buckle cap by utilizing the conical surface.

Further, a stepped surface is formed on the sleeve as the fitting surface.

Further, a gap for accommodating the spring is formed between the sleeve and the rod, one end of the spring extends into the gap to achieve connection to the sleeve, and the spring is hidden from entering the gap when compressed.

Furthermore, the outer wall of the workpiece pressing tool forms a step-shaped structure, a step surface of the step-shaped structure is perpendicular to the central axis of the spring, the spring is sleeved with the step-shaped structure, and one end of the spring abuts against the step surface, so that after the spring is compressed, the end of the workpiece pressing tool abuts against the sleeve to limit the sleeve to move continuously.

Further, the diameter of the end of the sleeve close to the workpiece presser close to the sleeve is the same as the diameter of the workpiece presser.

Further, the diameter of the end of the sleeve close to the workpiece presser close to the sleeve is larger than that of the workpiece presser.

Further, the diameter of the end part of the workpiece pressing tool close to the sleeve is 2MM-15 MM.

Further, the workpiece pressing tool is a plastic product with the heat-resistant temperature range of 60-500 ℃.

Further, the spring is a metal spring with the elastic force range of 0.1N-5N.

Has the beneficial effects that: the pressing piece used on the wave-soldering jig for the electronic device is novel in concept, reasonable in design and convenient to use, the spring is arranged to meet the function of elastic adjustment in specific use, the sleeve is arranged, the assembling surface is arranged on the sleeve to achieve rapid installation and positioning, the clamping cap is matched to achieve anti-slipping of the whole pressing piece relative to the jig, compared with the existing product, the pressing piece is simpler to assemble, more labor and time are saved, and materials and cost are saved from the production perspective.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic cross-sectional structural diagram of an embodiment of the utility model.

Fig. 3 is a schematic structural diagram of another embodiment of the present invention.

Detailed Description

The utility model is further described in the following detailed description with reference to the drawings and examples:

referring to fig. 1-3, and fig. 2 and 3, the spring 300 is not shown.

A jig pressing piece for wave soldering is provided with a rod 100, one end of the rod 100 is provided with a rod head 110, the other end of the rod 100 is provided with a workpiece pressing piece 120, the rod 100 is sleeved with a sleeve 200 and a spring 300 which can axially slide along the rod 100, one end of the spring 300 is connected to the sleeve 200, the other end of the spring 300 is connected to the workpiece pressing piece 120, and the periphery of the sleeve 200 is provided with an assembling surface 210 for assembling to a jig; the rod 100 is provided with a snap cap 400 for helping the rod 100 to be limited by the jig, and the snap cap 400 is located between the rod head 110 and the sleeve 200.

The basic concept of the present invention is that the shaft 100 is integrally formed with the head 110 and the workpiece holder 120, and may be integrally formed in the process. A resilient type integral structure is formed by assembling the sleeve 200 and the spring 300. In specific use, the sleeve 200 is assembled and fixed on a jig through the assembling surface 210 on the sleeve 200, so that rigid connection is realized. The rod 100 can realize relative movement based on the elasticity of the spring 300 through the spring 300 and the sleeve 200, the sleeve 200 is rigidly connected to the jig, and then the rod 100 can realize relative movement based on the elasticity of the spring 300 through the spring 300 and the jig. The workpiece hold-down 120 acts as a part that acts directly on the workpiece (e.g., a capacitor in an electronic device, etc.), thus achieving a resilient press-fit. In the jig process of assembling the spring to the whole jig pressing member, the jig pressing member is inserted into a hole formed in the jig, and is specifically matched with the jig through the buckle cap 400 for limiting. The buckle cap 400 is matched with the jig through the structure of the buckle cap 400, so that the limitation is realized, the jig pressing piece is prevented from returning after being assembled, and the assembling stability is ensured.

In a preferred mode, a gap can be formed between the sleeve 200 and the rod 100 through the design of the structure, and since the spring 300 is sleeved on the rod 100, the gap between the sleeve 200 and the rod 100 can be used for hiding the spring 300.

Further preferably, a stepped surface is formed on the sleeve 200 as the mounting surface 210. In this preferred embodiment, the stepped surface is provided as the mounting surface 210, which facilitates mounting of the entire column structure. When the tool is used for specific implementation, the assembling surface 210 is used as a step surface to form a right angle of 90 degrees, and the straight surface is beneficial to being tightly attached to the tool, so that good assembling is realized.

Further preferably, the snap cap 400 is axially slidably disposed on the rod 100, the outer periphery of the snap cap 400 includes a straight section 410 and a conical section 420 connected with each other, the conical section 420 is close to the rod head 110 relative to the straight section 410, and the end of the conical section 420 is provided with a notch 430; the shaft 100 is formed in a tapered surface shape near the head 110, and a small-diameter end of the tapered surface shape is closer to the head 110 than a large-diameter end so as to expand the snap cap 400 by a tapered surface. The snap cap 400 is configured to have a straight section 410 and a tapered section 420 to be coupled to each other, thereby facilitating assembly. Further preferably, the notches 430 are three in number and evenly circumferentially distributed along the conical section 420. Facilitating stable assembly. In this preferred, a structural form of the buckle cap 400 is specifically given, when the whole assembly enters the jig, the structure similar to the expansion screw principle is formed by the buckle cap 400 and the conical surface on the rod 100, and the buckle cap 400 is pushed to slide along the conical surface to be expanded, so that the fastening is realized.

It is further preferred that a gap 220 for accommodating the spring 300 is formed between the sleeve 200 and the rod 100, one end of the spring 300 extends into the gap 220 to achieve connection to the sleeve 200, and the spring 300 is hidden from entering the gap 220 when compressed. By providing such a configuration, as shown in fig. 2, as the spring 300 is axially compressed into the interior of the sleeve 200, continued compression is avoided and protection of the spring 300 is achieved. In particular implementations, the spring 330 is disposed by radially collapsing the inner wall of the sleeve 200 to form a dedicated segment as the gap 220.

Further preferably, the outer wall of the workpiece pressing device 120 forms a step-shaped structure, and a step surface of the step-shaped structure is perpendicular to the central axis of the spring 300, the spring 300 is sleeved with the step-shaped structure, and one end of the spring abuts against the step surface, so that after the spring 300 is compressed, the end of the workpiece pressing device 120 abuts against the sleeve 200 to limit the sleeve 200 from moving continuously. As shown in fig. 3, the outer wall of the workpiece pressing tool 120 forms a step-shaped result, that is, the outer diameter is formed into a thicker section and a thinner section, the spring is sleeved on the thinner section, one end of the spring 300 abuts against the step surface, and after the spring 300 is compressed to the moving degree, the end surface of the workpiece pressing tool 120 facing the end surface of the sleeve 200 abuts against the end surface of the sleeve 200 to realize the limiting, so that the spring 300 is prevented from being compressed continuously, and the spring 300 is prevented from being crushed.

It is further preferable that the diameter of the end of the sleeve 200 near the workpiece presser 120 near the sleeve 200 is the same as the diameter of the workpiece presser 120. With such a structure, the sleeve 200 can abut against the end of the workpiece presser 120, and the limit is realized.

It is further preferable that the diameter of the end of the sleeve 200 near the workpiece hold-down 120 near the sleeve 200 is larger than the diameter of the workpiece hold-down 120. Conflict is convenient to realize, and then realize spacingly.

It is further preferred that the diameter of the end of the workpiece hold-down 120 near the sleeve 200 be 2MM-15 MM.

Further preferably, the workpiece pressing tool 120 is a plastic product having a heat-resistant temperature range of 60 ℃ to 500 ℃. By selecting materials, the workpiece pressing tool 120 is set to a plastic product with the tolerance temperature range of 60-500 ℃, so that the high-temperature environment generated in the wave soldering process is convenient to adapt.

More preferably, the spring 300 is a metal spring having an elastic force in the range of 0.1N to 5N. By limiting the range of spring force of spring 300, precise application of force and, hence, precise control is achieved.

The foregoing detailed description of the preferred embodiments of the utility model has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.

Claims

1. The utility model provides a tool casting die for wave-soldering which characterized in that: the tool comprises a rod (100), wherein one end of the rod (100) is provided with a rod head (110), the other end of the rod (100) is provided with a workpiece pressing tool (120), the rod (100) is sleeved with a sleeve (200) and a spring (300) which can axially slide along the rod (100), one end of the spring (300) is connected to the sleeve (200), the other end of the spring is connected to the workpiece pressing tool (120), and the periphery of the sleeve (200) is provided with an assembling surface (210) for assembling on a jig; the rod (100) is provided with a buckle cap (400) used for helping the rod (100) to be limited on a jig, and the buckle cap (400) is positioned between the rod head (110) and the sleeve (200).

2. The tool press of claim 1, wherein: a stepped surface is formed on the sleeve (200) as the mounting surface (210).

3. The tool press of claim 1, wherein: the buckle cap (400) can be axially and slidably arranged on the rod (100), the periphery of the buckle cap (400) comprises a straight section (410) and a conical section (420) which are connected, the conical section (420) is close to the rod head (110) relative to the straight section (410), and the end part of the conical section (420) is provided with a notch (430); the rod (100) is formed in a conical surface shape close to the rod head (110), and the small-caliber end of the conical surface shape is close to the rod head (110) relative to the large-caliber end so as to expand the buckle cap (400) by utilizing the conical surface.

4. The tool press of claim 1, wherein: a gap (220) for accommodating the spring (300) is formed between the sleeve (200) and the rod (100), one end of the spring (300) extends into the gap (220) to realize connection to the sleeve (200), and the spring (300) is hidden into the gap (220) when being compressed.

5. The tool press of claim 1, wherein: the outer wall of the workpiece pressing tool (120) forms a step-shaped structure, a step surface of the step-shaped structure is perpendicular to the central axis of the spring (300), the spring (300) is sleeved with the step-shaped structure, and one end of the spring (300) abuts against the step surface, so that after the spring (300) is compressed, the end of the workpiece pressing tool (120) abuts against the sleeve (200) to limit the continuous movement of the sleeve (200).

6. A tool press member for wave soldering as claimed in claim 4 or 5, wherein: the diameter of the end of the sleeve (200) close to the workpiece presser (120) close to the sleeve (200) is the same as the diameter of the workpiece presser (120).

7. A tool press member for wave soldering as claimed in claim 4 or 5, wherein: the diameter of the end of the sleeve (200) close to the workpiece presser (120) close to the sleeve (200) is larger than the diameter of the workpiece presser (120).

8. A tool press member for wave soldering as claimed in claim 4 or 5, wherein: the diameter of the end part of the workpiece pressing tool (120) close to the sleeve (200) is 2MM-15 MM.

9. The tool press of claim 1, wherein: the workpiece pressing tool (120) is a plastic product with the heat-resistant temperature range of 60-500 ℃.

10. The tool press of claim 1, wherein: the spring (300) is a metal spring with the elastic force range of 0.1N-5N.