Manual forming device for welding wire prefabricated ring

Abstract

The utility model discloses a welding wire prefabricated ring manual forming device, which relates to the technical field of welding wire prefabricated ring processing and comprises a base and a sliding sleeve, the top of the base is fixedly connected with a machine body through a support, one side of the machine body is movably connected with a first pull rod through a bearing, and one side of the first pull rod is fixedly connected with a first gear. According to the manual forming device for the welding wire prefabricated ring, two sets of pressing blocks are pressed to drive a pressing rod to move downwards, when the pressing rod moves, a pull rope is driven to move, when the pull rope moves, a pulley rotates, the friction force of the pull rope is reduced, the pull rope can pull a clamping block to move, and after the clamping block moves to be disengaged from a connecting block, the pressing blocks continue to be pressed; when the pressing block makes contact with the poke rod, the poke rod rotates, the lower mold is poked to move upwards during rotation, the lower mold drives the connecting block to move upwards, a clamping groove in the connecting block and the clamping block are staggered, and at the moment, the lower mold can be taken out to be replaced.

Description

Technical Field

[0001] The utility model relates to the technical field of welding wire prefabricated ring processing, in particular to a welding wire prefabricated ring manual forming device. Background Art

[0002] Brazing technology is widely used in the connection and assembly of electronic products. The brazing process is simple, easy to operate, and easy to implement in production. The components connected by the brazing process have good performance, high reliability, good production consistency, and good reworkability. It is especially suitable for small batch production occasions. Welding wire preformed rings are used during brazing, and the welding wire preformed rings can be produced by a manual forming device for welding wire preformed rings.

[0003] A welding wire preformed ring is required during the brazing process. The welding wire preformed ring can be processed and formed by a manual forming device. When the existing welding wire preformed ring manual forming device is used, the welding wire needs to be formed by the contact between the upper mold and the lower mold. When the upper mold and the lower mold are replaced, the bolts connecting the upper mold and the lower mold need to be rotated to disengage the bolts from the contact with the upper mold and the lower mold, and then the upper mold and the lower mold are separated from the machine body. This method of replacing the upper mold and the lower mold is relatively cumbersome and inconvenient to replace the upper mold and the lower mold. Utility Model Content

[0004] The utility model aims to provide a manual welding wire preform ring forming device to solve the problem that the existing manual welding wire preform ring forming device is not convenient for replacing the upper die and the lower die as mentioned in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a manual forming device for a welding wire prefabricated ring, comprising: a base and a sliding sleeve, the top of the base is fixedly connected to a body through a bracket, one side of the body is movably connected to a first pull rod through a bearing, one side of the first pull rod is fixedly connected to a first gear, the outer side of the first gear is meshingly connected to a moving rod, the top of the moving rod is fixedly connected to a tension spring, the top of the tension spring is fixedly connected to the body, an upper mold is arranged at the bottom of the moving rod, a lower mold is arranged at the upper end surface of the base, a through groove is opened inside the lower mold, and a forming groove is arranged at the top of the through groove.

[0006] The base is provided with a sliding groove matching a sliding block on one side of the pressure rod, and the pressure rod is slidably connected to the sliding groove, the bottom of the pressure rod is fixedly connected with a pull rope, one end of the pull rope is fixedly connected with a clamping block, the outer side of the pull rope is sleeved with a pulley, one side of the clamping block is connected with a first spring, one side of the clamping block is snap-connected with a connecting block, the top of the connecting block is fixedly connected to the lower mold, the top of the base close to the pressure rod is movably connected with a toggle rod through a rotating shaft, the top of the pressure rod is welded and fixed with a pressure block, the moving rod is provided with a sliding groove matching a second pull rod, and the second pull rod is slidably connected to the sliding groove, the outer side of the second pull rod is sleeved with a second spring, one side of the second pull rod is snap-connected with a positioning block, and the bottom of the positioning block is fixedly connected to the upper mold.

[0007] Preferably, a clamping groove matching the clamping block is provided inside the connecting block, and a limiting groove matching the second pull rod is provided inside the positioning block.

[0008] Preferably, a positioning groove matching the positioning block is formed inside the moving rod, and the positioning block is slidably connected to the positioning groove.

[0009] Preferably, both sides of the pulley are movably connected to the base via a rotating shaft, a movable groove matching the connecting block is provided inside the base, and the connecting block is slidably connected to the movable groove.

[0010] Preferably, a sliding sleeve is slidably connected to the outer side of the first pull rod, a sliding groove matching the push rod is provided inside the sliding sleeve, and the push rod is slidably connected to the sliding groove, and one side of the push rod is meshed with a second gear through a rack.

[0011] Preferably, both sides of the second gear are movably connected to the sliding sleeve via a rotating shaft, the outer side of the second gear is meshingly connected with a clamping rod, one side of the clamping rod is fixedly connected to a third spring, and one end of the third spring is fixedly connected to the sliding sleeve.

[0012] Preferably, a slot matching the card rod is provided inside the first pull rod, and the card rod is engaged with the slot, one side of the first pull rod is movably connected to a rotating rod via a rotating shaft, a movable slot matching the card rod is provided inside the sliding sleeve, and the card rod is slidably connected to the movable slot.

[0013] Compared with the prior art, the manual forming device for welding wire prefabricated ring has the following beneficial effects: by pressing the two groups of pressing blocks, the pressing rod is driven to move downward, and when the pressing rod moves, the pull rope is driven to pull the card block to move, and the card block continues to be pressed after it moves out of contact with the connecting block; when the pressing block contacts the toggle lever, the toggle lever rotates, toggles the lower mold to move upward, and the lower mold drives the connecting block to move upward as well, so that the card slot inside the connecting block is misaligned with the card block, and the lower mold can be taken out for replacement at this time, and the rotating rod is unfolded by rotating, and then the push rod is pressed. When the rod moves, the push rod will mesh with the second gear through the rack, driving the second gear to rotate. When the second gear rotates, it can mesh with the card rod to move the card rod and squeeze the third spring on one side, and then move the sliding sleeve to the connection between the first pull rod and the rotating rod. When the card rod is aligned with the card groove on one side of the first pull rod, the push rod can be released. At this time, the third spring will reset, pushing the card rod to move and engage with the first pull rod, completing the fixation of the first pull rod. At this time, the sliding sleeve can limit the rotating rod to fix the rotating rod.

[0014] 1. A welding wire prefabricated ring is required during the brazing process. The welding wire prefabricated ring can be processed and formed by a manual forming device. When the lower mold on the base is replaced, the pressure rod is driven downward by pressing the two sets of pressure blocks. When the pressure rod moves, the pull rope is driven to move. When the pull rope moves, the pulley rotates to reduce the friction of the pull rope. The pull rope can pull the card block to move. After the card block moves out of contact with the connecting block, the pressure block continues to be pressed. When the pressure block contacts the toggle lever, the toggle lever rotates, and when it rotates, it will toggle the lower mold to move upward. The lower mold will drive the connecting block to move upward, so that the card slot inside the connecting block is misaligned with the card block. At this time, the lower mold can be taken out for replacement. In this way, the above operation can facilitate the replacement of the mold in the manual forming device of the welding wire prefabricated ring to meet the processing needs.

[0015] 2. A welding wire prefabricated ring is required during the brazing process. The welding wire prefabricated ring can be processed and formed by a manual forming device. The rotating rod is unfolded by rotating so that the rotating rod and the first pull rod are in a parallel state. Then the push rod is pressed to move. The push rod will mesh with the second gear through the rack, driving the second gear to rotate. When the second gear rotates, it can mesh with the clamping rod to move the clamping rod and squeeze the third spring on one side. Then the sliding sleeve is moved to the connection between the first pull rod and the rotating rod. When the clamping rod is aligned with the clamping groove on one side of the first pull rod, the push rod can be released. At this time, the third spring will be reset, pushing the clamping rod to move and engage with the first pull rod to complete the fixation of the first pull rod. At this time, the sliding sleeve can limit the rotating rod to fix the rotating rod. In this way, the above operation can facilitate the pulling of the first pull rod of the manual forming device of the welding wire prefabricated ring. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a right side cross-sectional schematic diagram of the utility model;

[0017] Figure 2 This is a schematic diagram of the main view of the utility model;

[0018] Figure 3 It is a top view cross-sectional schematic diagram of the utility model;

[0019] Figure 4 It is a right side cross-sectional schematic diagram of the base of the utility model;

[0020] Figure 5 It is an enlarged schematic diagram of A of the utility model;

[0021] Figure 6 This is a top view of the lower mold of the utility model;

[0022] Figure 7 It is a right side cross-sectional schematic diagram of the sliding sleeve of the utility model.

[0023] In the figure: 1. base; 2. machine body; 3. first pull rod; 4. first gear; 5. moving rod; 6. tension spring; 7. upper mold; 8. lower mold; 9. through groove; 10. forming groove; 11. pressure rod; 12. pull rope; 13. pulley; 14. clamping block; 15. first spring; 16. connecting block; 17. toggle rod; 18. pressure block; 19. positioning block; 20. second pull rod; 21. second spring; 22. sliding sleeve; 23. push rod; 24. second gear; 25. clamping rod; 26. third spring; 27. rotating rod. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-Figure 6 The utility model provides a technical solution: a manual forming device for a welding wire prefabricated ring, comprising: a base 1 and a sliding sleeve 22, the top of the base 1 is fixedly connected to a body 2 through a bracket, one side of the body 2 is movably connected to a first pull rod 3 through a bearing, one side of the first pull rod 3 is fixedly connected to a first gear 4, the outer side of the first gear 4 is meshedly connected to a moving rod 5, the top of the moving rod 5 is fixedly connected to a tension spring 6, the top of the tension spring 6 is fixedly connected to the body 2, an upper mold 7 is arranged at the bottom of the moving rod 5, a lower mold 8 is arranged on the upper end surface of the base 1, a through groove 9 is opened inside the lower mold 8, and a forming groove 10 is arranged at the top of the through groove 9,

[0026] A slide groove matching the slider on one side of the pressure rod 11 is provided inside the base 1, and the pressure rod 11 is slidably connected to the slide groove, a pull rope 12 is fixedly connected to the bottom of the pressure rod 11, one end of the pull rope 12 is fixedly connected to a clamping block 14, a pulley 13 is sleeved on the outside of the pull rope 12, a first spring 15 is connected to one side of the clamping block 14, a connecting block 16 is snap-connected to one side of the clamping block 14, the top of the connecting block 16 is fixedly connected to the lower mold 8, a toggle rod 17 is movably connected to the side of the top of the base 1 close to the pressure rod 11 through a rotating shaft, a pressure block 18 is welded and fixed to the top of the pressure rod 11, a sliding groove matching the second pull rod 20 is provided inside the mobile rod 5, and the second pull rod 20 is slidably connected to the sliding groove, and the second pull rod 2 0 is sleeved with a second spring 21, and a positioning block 19 is snap-connected to one side of the second pull rod 20, and the bottom of the positioning block 19 is fixedly connected to the upper mold 7; a slot matching the block 14 is provided inside the connecting block 16, and a limiting slot matching the second pull rod 20 is provided inside the positioning block 19; a positioning slot matching the positioning block 19 is provided inside the moving rod 5, and the positioning block 19 is slidably connected to the positioning slot; both sides of the pulley 13 are movably connected to the base 1 through a rotating shaft, a moving groove matching the connecting block 16 is provided inside the base 1, and the connecting block 16 is slidably connected to the moving groove, the toggle rod 17 forms a rotating structure with the base 1 through the rotating shaft, and the pressure rod 11 forms a sliding structure with the base 1.

[0027] During specific implementation, a welding wire prefabricated ring is required during the brazing process. The welding wire prefabricated ring can be processed and formed by a manual forming device. When the lower mold 8 on the base 1 is replaced, the pressure rod 11 is driven to move downward by pressing the two groups of pressure blocks 18. When the pressure rod 11 moves, it will drive the pull rope 12 to move. When the pull rope 12 moves, the pulley 13 will rotate to reduce the friction of the pull rope 12. The pull rope 12 can pull the card block 14 to move. After the card block 14 moves out of contact with the connecting block 16, the pressure block 18 continues to be pressed. When the pressure block 18 contacts the toggle rod 17, the toggle rod 17 will rotate. When rotating, it will toggle the lower mold 8 to move up. The lower mold 8 will drive the connecting block 16 to move up, so that the card slot inside the connecting block 16 is misaligned with the card block 14. At this time, the lower mold 8 can be taken out;

[0028] When installing a new lower mold 8, the connecting block 16 at the bottom of the lower mold 8 is docked with the movable groove at the top of the base 1. When the connecting block 16 contacts the inclined surface on one side of the clamping block 14, the clamping block 14 will move and squeeze the first spring 15 on one side. When the clamping block 14 contacts the clamping groove inside the connecting block 16, the first spring 15 will reset and push the clamping block 14 to engage with the connecting block 16 to complete the installation of the lower mold 8. When replacing the upper mold 7, the second spring 21 on one side is squeezed by pulling the second pull rod 20. When the second pull rod 20 is disengaged from the engagement with the positioning block 19, the upper mold 7 can be separated from the machine body 2 and the upper mold 7 can be replaced. In this way, the above operation can facilitate the replacement of the mold in the manual forming device of the welding wire prefabricated ring to meet the processing needs.

[0029] See also Figure 1 , Figure 2 and Figure 7 The outer side of the first pull rod 3 is slidably connected with a sliding sleeve 22, and a sliding groove matching the push rod 23 is provided inside the sliding sleeve 22, and the push rod 23 is slidably connected to the sliding groove, and one side of the push rod 23 is meshed with a second gear 24 through a rack; both sides of the second gear 24 are movably connected to the sliding sleeve 22 through a rotating shaft, and the outer side of the second gear 24 is meshed with a clamping rod 25, one side of the clamping rod 25 is fixedly connected with a third spring 26, and one end of the third spring 26 is fixedly connected to the sliding sleeve 22; a clamping groove matching the clamping rod 25 is provided inside the first pull rod 3, and the clamping rod 25 is engaged with the clamping groove, one side of the first pull rod 3 is movably connected with a rotating rod 27 through a rotating shaft, a moving groove matching the clamping rod 25 is provided inside the sliding sleeve 22, and the clamping rod 25 is slidably connected to the moving groove, the push rod 23 and the second gear 24 constitute a meshing transmission structure, and the push rod 23 and the sliding sleeve 22 constitute a sliding structure.

[0030] In specific implementation, a welding wire prefabricated ring is required during the brazing process. The welding wire prefabricated ring can be processed and formed by a manual forming device. When the manual forming device is used, the first pull rod 3 needs to be pulled. In order to pull the first pull rod 3 more easily, the torque of the first pull rod 3 can be increased. By rotating and unfolding the rotating rod 27, the rotating rod 27 and the first pull rod 3 are in a parallel state, and then the push rod 23 is pressed to move. The push rod 23 will mesh with the second gear 24 through the rack, driving the second gear 24 to rotate. When the second gear 24 rotates, it can engage with the clamping rod 25. The third spring 26 is meshed to move the card rod 25 and squeeze the third spring 26 on one side, and then the sliding sleeve 22 is moved to the connection between the first pull rod 3 and the rotating rod 27. When the card rod 25 is aligned with the card slot on one side of the first pull rod 3, the push rod 23 can be released. At this time, the third spring 26 will be reset, pushing the card rod 25 to move and engage with the first pull rod 3 to complete the fixation of the first pull rod 3. At this time, the sliding sleeve 22 can limit the rotating rod 27 to fix the rotating rod 27. By pulling the rotating rod 27, the torque of the first pull rod 3 can be increased, and the second gear 24 can be pulled more easily to rotate;

[0031] When the rotating rod 27 needs to be stored, the push rod 23 can be pushed to drive the locking rod 25 to disengage from the first pull rod 3, and then the sliding sleeve 22 can be moved to disengage from the limiting position of the rotating rod 27. At this time, the rotating rod 27 can be rotated to store. The above operation can facilitate the pulling of the first pull rod 3 of the manual forming device of the welding wire preform ring.

[0032] To sum up: when using the manual forming device for welding wire preform ring, first roll the welding wire into a ring shape, and then put it into the forming groove 10, and drive the first gear 4 to rotate by pulling the first pull rod 3, and the first gear 4 will drive the moving rod 5 to move downward, and the moving rod 5 will stretch the tension spring 6, and the punch at the bottom passes through the through groove 9 to limit the inner wall of the welding wire, and the forming groove 10 can limit the outer wall and bottom of the welding wire, and the upper mold 7 can limit the top of the welding wire. The welding wire can be formed through the contact between the upper mold 7 and the lower mold 8. This is the characteristic of the manual forming device for welding wire preform ring. The content not described in detail in this description belongs to the existing technology known to professional and technical personnel in this field.

[0033] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A manual forming device for welding wire prefabricated ring, comprising: A base (1) and a sliding sleeve (22), wherein the top of the base (1) is fixedly connected to the body (2) via a bracket, one side of the body (2) is movably connected to a first pull rod (3) via a bearing, one side of the first pull rod (3) is fixedly connected to a first gear (4), the outer side of the first gear (4) is meshingly connected to a moving rod (5), the top of the moving rod (5) is fixedly connected to a tension spring (6), the top of the tension spring (6) is fixedly connected to the body (2), an upper mold (7) is provided at the bottom of the moving rod (5), the upper end surface of the base (1) is provided with a lower mold (8), a through groove (9) is provided inside the lower mold (8), and a molding groove (10) is provided at the top of the through groove (9), characterized in that: The base (1) is provided with a slide groove matching with a slider on one side of the pressure rod (11), and the pressure rod (11) is slidably connected to the slide groove. The bottom of the pressure rod (11) is fixedly connected with a pull rope (12), one end of the pull rope (12) is fixedly connected with a clamping block (14), the outer side of the pull rope (12) is sleeved with a pulley (13), one side of the clamping block (14) is connected with a first spring (15), one side of the clamping block (14) is snap-connected with a connecting block (16), and the top of the connecting block (16) is fixedly connected to the lower mold (8). A toggle rod (17) is movably connected to one side of the top of the base (1) near the pressure rod (11) via a rotating shaft, a pressure block (18) is welded and fixed to the top of the pressure rod (11), a sliding groove matching the second pull rod (20) is provided inside the movable rod (5), and the second pull rod (20) is slidably connected to the sliding groove, a second spring (21) is sleeved on the outer side of the second pull rod (20), a positioning block (19) is snap-fitted to one side of the second pull rod (20), and the bottom of the positioning block (19) is fixedly connected to the upper mold (7).

2. A manual welding wire preform ring forming device according to claim 1, characterized in that: The connection block (16) has a slot inside thereof that matches the clamping block (14), and the positioning block (19) has a limit slot inside thereof that matches the second pull rod (20).

3. A manual welding wire preform ring forming device according to claim 2, characterized in that: A positioning groove matching the positioning block (19) is provided inside the moving rod (5), and the positioning block (19) is slidably connected to the positioning groove.

4. A manual welding wire preform ring forming device according to claim 3, characterized in that: The two sides of the pulley (13) are movably connected to the base (1) via a rotating shaft, a movable groove matching the connecting block (16) is provided inside the base (1), and the connecting block (16) is slidably connected to the movable groove, the toggle rod (17) forms a rotating structure with the base (1) via the rotating shaft, and the pressure rod (11) forms a sliding structure with the base (1).

5. A manual welding wire preform ring forming device according to claim 1, characterized in that: The outer side of the first pull rod (3) is slidably connected to a sliding sleeve (22), the interior of the sliding sleeve (22) is provided with a sliding groove matching the push rod (23), and the push rod (23) is slidably connected to the sliding groove, and one side of the push rod (23) is meshed with a second gear (24) via a rack.

6. A manual welding wire preform ring forming device according to claim 5, characterized in that: Both sides of the second gear (24) are movably connected to the sliding sleeve (22) via a rotating shaft; the outer side of the second gear (24) is meshingly connected to a clamping rod (25); one side of the clamping rod (25) is fixedly connected to a third spring (26); one end of the third spring (26) is fixedly connected to the sliding sleeve (22).

7. A manual welding wire preform ring forming device according to claim 6, characterized in that: A slot matching the clamping rod (25) is provided inside the first pull rod (3), and the clamping rod (25) is clamped and connected to the slot; a rotating rod (27) is movably connected to one side of the first pull rod (3) via a rotating shaft; a movable slot matching the clamping rod (25) is provided inside the sliding sleeve (22), and the clamping rod (25) is slidably connected to the movable slot.

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