CN214852070U

CN214852070U - Fixing device is used in equipment of SMT paster

Info

Publication number: CN214852070U
Application number: CN202120102596.1U
Authority: CN
Inventors: 江战友; 叶大林
Original assignee: Yinghong Electronic Technology Shanghai Co ltd
Current assignee: Yinghong Electronic Technology Shanghai Co ltd
Priority date: 2021-01-14
Filing date: 2021-01-14
Publication date: 2021-11-23
Anticipated expiration: 2031-01-14

Abstract

The utility model discloses a fixing device for SMT patch assembly, relating to the technical field of electronic parts; the device comprises a mounting box, a mounting plate, a guardrail, a torsion lock catch, a pressure lock catch, a fixing plate and a flexible pad; the mounting box is fixedly connected with a mounting plate, and four edges above the mounting plate are fixedly connected with guardrails; the installation box is characterized in that pressure lock catches pointing to the center are fixedly connected to two side plates inside the installation box, torsion lock catches pointing to the center are fixedly connected to the upper end and the lower end of the upper surface of the installation plate, each torsion lock catch comprises two torsion seats fixedly connected to the edges of the installation plate, a torsion rod is inserted into each torsion seat, a torsion spring is sleeved on the outer side of each torsion rod, and the two ends of each torsion spring are fixedly connected with the torsion rod and the torsion seat respectively. The device fixes by using the pressure lock catch and the torsion lock catch simultaneously, increases the contact area, increases the restraint quantity, improves the fixing effect, simplifies the fixing process and improves the working efficiency.

Description

Fixing device is used in equipment of SMT paster

Technical Field

The utility model relates to an electronic component technical field specifically is a fixing device is used in equipment of SMT paster.

Background

SMT paster refers to the abbreviation of a series of process flows processed on the basis of a PCB, which is a printed circuit board. SMT is an abbreviation for surface mounting technology, the most popular technique and process in the electronic assembly industry. The surface-mounted component without pins or short leads is mounted on the surface of a printed circuit board or other substrates and is welded and assembled by methods such as reflow soldering or dip soldering. In the mounting process, the circuit board needs to be fixed, but the effective fixation is difficult because the circuit board is a thin plate and has a small size.

Chinese utility model patent specification CN209845475U discloses a fixing device is used in SMT paster equipment, including mount, movable rod and connecting plate, the device passes through two-way screw rod as the drive, fixes the paster, but this kind of fixed approach need rotate the screw rod repeatedly, and time consumption is great for fixed time overlength, waste time reduces work efficiency, and because the edge of paster is very thin, only contacts with the edge when fixed, makes the paster collapse easily and flies.

Disclosure of Invention

An object of the utility model is to provide a fixing device is used in equipment of SMT paster to solve the problem that proposes among the above-mentioned background art. The fixed area is increased, the constraint relation is increased, the fixing effect is improved, the fixing process is simplified, and the working efficiency is improved.

In order to achieve the above object, the utility model provides a following technical scheme:

a fixing device for SMT patch assembly comprises an installation box, an installation plate, a guardrail, a torsion lock catch, a pressure lock catch, a fixing plate and a flexible pad; the mounting box is fixedly connected with a mounting plate, and four edges above the mounting plate are fixedly connected with guardrails; the installation box is characterized in that pressure lock catches pointing to the center are fixedly connected to two side plates inside the installation box, torsion lock catches pointing to the center are fixedly connected to the upper end and the lower end of the upper surface of the installation plate, each torsion lock catch comprises two torsion seats fixedly connected to the edges of the installation plate, a torsion rod is inserted into each torsion seat, a torsion spring is sleeved on the outer side of each torsion rod, and the two ends of each torsion spring are fixedly connected with the torsion rod and the torsion seat respectively.

As a further aspect of the present invention: the outer side of the torsion bar is fixedly connected with a connecting rod perpendicular to the torsion bar, a fixing strip parallel to the torsion bar is fixedly connected between the connecting rods, and a flexible pad is fixedly connected below the fixing strip.

As a further aspect of the present invention: the mounting plate is provided with a horizontal strip-shaped through groove.

As a further aspect of the present invention: the pressure hasp includes the one-level bracing piece of rigid coupling on the mounting box lateral wall, a second grade supporting cylinder has been cup jointed to the one-level bracing piece outside, a third grade supporting cylinder has been cup jointed to the second grade supporting cylinder outside.

As a further aspect of the present invention: the top of the first-level supporting rod is fixedly connected with a first-level boss, the top of the second-level supporting cylinder is fixedly connected with a second-level boss, the bottom of the second-level supporting cylinder is fixedly connected with an inwards-concave second-level round table, and the bottom of the third-level supporting cylinder is fixedly connected with an inwards-concave third-level round table.

As a further aspect of the present invention: the outer sides of the first-stage supporting rod, the second-stage supporting cylinder and the third-stage supporting cylinder are sleeved with pressure springs, and two ends of each pressure spring are fixedly connected with the side wall of the mounting box and the top of the third-stage supporting cylinder respectively.

As a further aspect of the present invention: the top of the third-level supporting cylinder is fixedly connected with a vertical upward control rod, the top of the control rod penetrates out of the through groove and is fixedly connected with a fixed plate, and the surface of the fixed plate is fixedly connected with a flexible pad.

Compared with the prior art, the beneficial effects of the utility model are that:

by adopting the fixing device for assembling the SMT paster, the fixing plates on the two sides are supported by the pressure lock catches, when the paster is fixed, only the fixing plates need to be pulled open towards the two sides, the paster is placed in, and then the fixing plates are loosened, so that the fixing plates can automatically rebound under the action of the pressure spring to fix the paster, the fixing mode is simple and efficient, the fixing steps are simplified, and the working efficiency is effectively improved;

adopt above-mentioned fixing device for SMT paster equipment, the fixed strip is connected to the torque hasp, keep the state of hugging closely the mounting panel at the solid fixed cylinder when not using, upwards lift up the fixed strip during the use, the solid fixed cylinder is loosened after the paster is put into, gu fixed cylinder can push down automatically under torque spring's effect, fix the paster on the paster surface, can fix great area to the fixed of paster surface, and fixed position increases, improve fixed effect, it drops to place the paster, fixed mode is simple simultaneously, high efficiency.

Drawings

Fig. 1 is a schematic structural view of a fixing device for SMT patch assembly.

Fig. 2 is a schematic top view of the fixing device for SMT patch assembly.

Fig. 3 is a schematic side view of a fixing device for SMT patch assembly.

In the figure: 1. a guardrail; 2. mounting a plate; 3. a pressure spring; 4. a primary support bar; 5. a first-stage boss; 6. a secondary support cylinder; 7. a tertiary support cylinder; 8. a fixing strip; 9. a through groove; 10. a connecting rod; 11. a torsion bar; 12. a flexible pad; 13. a fixing plate; 14. a torsion seat; 15. a torsion spring; 16. a secondary boss; 17. pressure lock catch; 18. a three-stage round platform; 19. a second-stage circular truncated cone; 20. a control lever; 21. mounting a box; 22. and (6) torsion locking.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1 to 3, in embodiment 1 of the present invention, a fixing device for SMT patch assembly includes a mounting box 21, a mounting plate 2, a guardrail 1, a torsion lock 22, a pressure lock 17, a fixing plate 13, and a flexible pad 12; the mounting box 21 is fixedly connected with a mounting plate 2, and four sides above the mounting plate 2 are fixedly connected with guardrails 1; the installation box 21 is characterized in that pressure latches 17 pointing to the center are fixedly connected to two side plates inside the installation box 21, torsion latches 22 pointing to the center are fixedly connected to the upper end and the lower end of the upper surface of the installation plate 2, each torsion latch 22 comprises two torsion seats 14 fixedly connected to the edges of the installation plate 2, a torsion rod 11 is inserted into each torsion seat 14, a torsion spring 15 is sleeved on the outer side of each torsion rod 11, and two ends of each torsion spring 15 are fixedly connected to the torsion rod 11 and the torsion seat 14 respectively.

When the device is used for fixing, the patch is placed on the mounting plate 2, the fixing plates 13 are pulled open towards two sides, after the patch is placed, the fixing plates 13 are loosened, and the fixing plates 13 on two sides automatically move towards the center to be fixed.

The outer side of the torsion bar 11 is fixedly connected with connecting rods 10 perpendicular to the torsion bar 11, fixing strips 8 parallel to the torsion bar 11 are fixedly connected between the connecting rods 10, and flexible pads 12 are fixedly connected below the fixing strips 8. The mounting plate 2 is provided with a horizontal strip-shaped through groove 9. The pressure lock catch 17 comprises a first-level support rod 4 fixedly connected to the side wall of the mounting box 21, a second-level support cylinder 6 is sleeved on the outer side of the first-level support rod 4, and a third-level support cylinder 7 is sleeved on the outer side of the second-level support cylinder 6. The top of the first-level supporting rod 4 is fixedly connected with a first-level boss 5, the top of the second-level supporting cylinder 6 is fixedly connected with a second-level boss 16, the bottom of the second-level supporting cylinder 6 is fixedly connected with an inwards-concave second-level circular truncated cone 19, and the bottom of the third-level supporting cylinder 7 is fixedly connected with an inwards-concave third-level circular truncated cone 18. The outer sides of the first-stage support rod 4, the second-stage support cylinder 6 and the third-stage support cylinder 7 are sleeved with the pressure spring 3, and two ends of the pressure spring 3 are fixedly connected with the side wall of the mounting box 21 and the top of the third-stage support cylinder 7 respectively. The top of the third-stage supporting cylinder 7 is fixedly connected with a vertical upward control rod 20, the top of the control rod 20 penetrates out of the through groove 9 and is fixedly connected with a fixed plate 13, and the surface of the fixed plate 13 is fixedly connected with a flexible pad 12.

In the process of pulling the fixing plate 13 to both sides, the secondary supporting cylinder 6 and the tertiary supporting cylinder 7 are gradually overlapped and sleeved with the primary supporting rod 4, and meanwhile, the pressure spring 3 is in a pressing state. The patch is horizontally arranged at the right middle position of the mounting plate 2, the pulled fixing plate 13 is loosened, the pressure spring 3 is gradually opened, and the pushing fixing plate 13 moves towards the center. The position restriction that leads to groove 9 simultaneously, and one-level bracing piece 4, a second grade support section of thick bamboo 6, tertiary support section of thick bamboo 7 cup joint the relation and have decided that fixed plate 13 can only follow the appointed orientation and remove, has ensured fixed effect, and fixed plate 13 belongs to pressure contact when contacting with the paster, can form effectively fixedly, installs flexible pad 12 on fixed plate 13, can cushion pressure avoid destroying the paster, and increase friction improves fixed effect.

Example 2

Referring to fig. 1 to 3, the main differences between the embodiment 2 and the embodiment 1 are:

both sides are equipped with torsion hasp 22 about the mounting panel 2, if only rely on both sides to the fixed unable effective fixed of small area of paster sideline when fixed, lift upper and lower fixed strip 8, and torsion spring 15 twines tightly this moment, is in the state of being elongated, loosens fixed strip 8 after the paster has been placed, and the power drive fixed strip 8 that torsion spring 15 resets compresses tightly the paster from the surface, and because the rigid coupling of solid fixed cylinder bottom has flexible pad 12, and the process of compressing tightly can not destroy the paster surface. Because the pressing mode is realized by pressing from the surface of the patch, the direction of constraint is increased, the pressing area is large, and the fixing effect is more stable.

The utility model discloses a theory of operation is:

this device uses torsion hasp 22, and the control can be at the fixed strip 8 of the direct pressure that points to mounting panel 2 of mounting panel 2 surface direct application, keeps the attribute of self state through torsion spring 15, has made the torsion bar 11 that receives the restriction of torsion tangor to extend the fixed strip 8 that can automatic re-setting, presses on the paster surface when fixed, carries out the fixed of large tracts of land, and this kind of mode carries out the fixed effect of face more stable than only carrying out face to the extremely thin sideline in paster side. Set up pressure hasp 17 in the side simultaneously, fix the side of paster through pressure spring 3, because the irrational number of both sides spring keeps unanimous, consequently can be accurate fix paster pressure in mounting panel 2 center department, the location of being convenient for avoids paster horizontal migration. And the two fixing modes are fixed only by one-step operation, so that the fixing mode is simple, a large amount of working time and working procedures are saved, and the working efficiency is improved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A fixing device for SMT patch assembly is characterized by comprising an installation box (21), an installation plate (2), a guardrail (1), a torsion lock catch (22), a pressure lock catch (17), a fixing plate (13) and a flexible pad (12); the mounting box (21) is fixedly connected with a mounting plate (2), and four sides of the upper part of the mounting plate (2) are fixedly connected with guardrails (1); the utility model discloses a torsion spring, including mounting box (21), mounting box (2), torsion lock catch (22) and torsion seat (14), the rigid coupling has the pressure hasp (17) at directional center on the inside both sides board of mounting box (21), both ends rigid coupling has the torsion hasp (22) at directional center about mounting panel (2) upper surface, torsion hasp (22) include two torsion seats (14) at mounting panel (2) edge of rigid coupling, torsion bar (11) have been inserted in torsion seat (14), torsion spring (15) have been cup jointed in the torsion bar (11) outside, torsion spring (15) both ends rigid coupling torsion bar (11) and torsion seat (14) respectively.

2. An SMT patch assembly fixing device according to claim 1, wherein connecting rods (10) perpendicular to the torsion bars (11) are fixedly connected to the outer sides of the torsion bars (11), fixing bars (8) parallel to the torsion bars (11) are fixedly connected between the connecting rods (10), and a flexible pad (12) is fixedly connected to the lower portion of the fixing bars (8).

3. An SMT patch assembly fixture according to claim 1, wherein the mounting plate (2) is provided with a horizontal elongated through slot (9).

4. A fixing device for SMT patch assembly according to claim 1, wherein the pressure lock catch (17) comprises a primary support rod (4) fixedly connected to a side wall of the mounting box (21), a secondary support cylinder (6) is sleeved outside the primary support rod (4), and a tertiary support cylinder (7) is sleeved outside the secondary support cylinder (6).

5. A fixing device for SMT patch assembly according to claim 4, wherein a first boss (5) is fixedly connected to the top of the first support rod (4), a second boss (16) is fixedly connected to the top of the second support cylinder (6), an inwardly recessed second boss (19) is fixedly connected to the bottom of the second support cylinder (6), and an inwardly recessed third boss (18) is fixedly connected to the bottom of the third support cylinder (7).

6. A fixing device for SMT patch assembly according to claim 4 or 5, wherein the outer sides of the primary support rod (4), the secondary support tube (6) and the tertiary support tube (7) are sleeved with a pressure spring (3), and two ends of the pressure spring (3) are fixedly connected with the side wall of the mounting box (21) and the top of the tertiary support tube (7) respectively.

7. A fixing device for SMT patch assembly according to claim 4, wherein a control rod (20) is fixedly connected to the top of the tertiary support cylinder (7), the top of the control rod (20) penetrates through the through slot (9) and is fixedly connected to the fixing plate (13), and a flexible pad (12) is fixedly connected to the surface of the fixing plate (13).