Automatic hard tube silver welding tool clamp
By designing an automated hard tube silver soldering fixture with clamping and locking mechanisms, the problem of unstable positioning in traditional silver soldering fixtures was solved, achieving high-precision welding of workpieces and improving production efficiency.
Patent Information
- Application Number
- CN202520452757.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-15
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-03-15
AI Technical Summary
Traditional silver soldering fixtures have a single positioning method and a limited adjustment range, making it difficult to meet complex and ever-changing welding needs. This results in unstable welding quality and precision, increased labor costs, and reduced production efficiency.
An automated hard tube silver soldering fixture was designed, comprising a clamping mechanism and a locking mechanism. Clamping is achieved by moving the guide seat driven by a cylinder, and locking is achieved by the cooperation of a rotating shaft and an inclined block. Stable positioning is achieved by combining a limiting groove and a magnetic adsorption block, ensuring the precise positioning of the workpiece during the soldering process.
It achieves high-precision positioning and stable clamping of workpieces, improves welding quality and production efficiency, reduces labor costs, and adapts to the needs of workpieces of different lengths.
Smart Images
Figure CN223876420U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to an automatic hard tube silver soldering tool fixture belongs to the field of brazing fixture. BACKGROUND
[0002] Silver soldering is a welding method using silver solder as welding material. Silver soldering has the characteristics of low melting point, good wettability, high strength, excellent electrical conductivity and corrosion resistance. In the welding process, the silver solder is melted by the welding equipment, and it is connected with the metal workpiece. Silver soldering is widely used in engineering machinery, mining machinery, aerospace and other industrial manufacturing fields due to its excellent performance. The silver soldering tool fixture is used to fix the workpiece to ensure the welding precision of the workpiece during welding and will not move or deform.
[0003] In the silver soldering process, accurate positioning is the key, which directly affects the strength and reliability of the welded joint. The traditional tool is often single in positioning mode and limited in adjustment range, which is difficult to meet the complex and variable silver soldering requirements. The welding quality and precision of products exceeding the height of the tool cannot be guaranteed, and more tools need to be made to match the silver soldering height of each product, which not only increases labor cost, but also wastes more human cost and reduces production efficiency. CONTENT OF THE UTILITY MODEL
[0004] In view of the deficiencies of the prior art, the utility model aims to provide an automatic hard tube silver soldering tool fixture.
[0005] In order to achieve the above purpose, the utility model is realized by the following technical scheme:
[0006] An automatic hard tube silver soldering tool fixture, comprising a base, two groups of support columns are arranged on the top rear side of the base, the top of the two groups of support columns is fixed and connected by a top plate, two groups of sliding seats are slidingly connected between the two groups of support columns, a locking mechanism is arranged between the sliding seat and the support column, a sliding plate is connected between the two sliding seats transversely, and a clamping mechanism is arranged on the outer surface of the sliding plate.
[0007] Further, the clamping mechanism comprises a housing arranged in the middle of the outer surface of the sliding plate, one air cylinder is arranged on the inner side of the housing, one guide frame is fixed on the outer surface of the sliding plate, one guide rod is arranged on the guide frame, one guide seat is slidingly connected to the guide rod, the side surface output end of the air cylinder is fixedly connected with the outer surface of the guide seat, and the guide seat is fixedly connected with the clamping plate through bolts.
[0008] Further, the locking mechanism comprises a movable cavity arranged in the sliding seat, a threaded hole one is arranged between one side of the movable cavity and the outer surface of the sliding seat, a rotating shaft is threadedly connected in the threaded hole one, a connecting piece is fixed to one end of the rotating shaft outside the sliding seat, a handle is hinged to the end of the connecting piece, and a limiting groove matched with the handle is arranged on the top of the outer surface of the sliding seat.
[0009] Further, one end of the rotating shaft inside the movable cavity is rotationally connected to an inclined block, the inclined block is slidingly connected to a guide rod, one end of the guide rod is fixed to the inner wall of the movable cavity, a support is arranged on the inner wall of the movable cavity away from the threaded hole one, the support is fixedly connected to the inner wall of the movable cavity through a side plate, a clamping block is hinged to each end of the support through a spring hinge, and a roller matched with the inclined block is rotationally connected to the flat section of the clamping block.
[0010] Further, a sliding hole matched with the supporting column is arranged in the middle of the sliding seat, a through hole penetrating through the inner wall of the movable cavity into the sliding hole is arranged, and the clamping end of the clamping block penetrates through the through hole into the sliding hole and is clamped in the clamping groove on the outer surface of the supporting column.
[0011] Further, a rotating ring is fixed to the middle of the rotating shaft, the rotating ring is rotationally connected in the sliding seat, outer threads one and two are arranged on the outer surface of the rotating shaft, the outer threads one are engaged with the threaded hole one, and a threaded hole two matched with the outer threads two is arranged in the middle of the outer surface of one side of the support.
[0012] Further, the handle is made of metal material, and a magnetic adsorption block matched with the handle is arranged on the inner wall of the limiting groove.
[0013] Further, a positioning seat is arranged in the middle of the base, a gas protection device is arranged on the outer side of the positioning seat, a steel pipe is inserted into the positioning seat, and the top end of the steel pipe penetrates through the gas protection device to the outer side of the gas protection device and is clamped between the two clamping mechanisms.
[0014] The utility model discloses beneficial effects:
[0015] Through the design of the clamping mechanism, when the steel pipe needs to be clamped and fixed, the guide seat is moved by the gas cylinder, and the guide seat moves stably along the guide frame while driving the clamping plate to clamp and fix the steel pipe.
[0016] Through the design of the locking mechanism, after the sliding seat is adjusted to the height, the rotating shaft is rotated by holding the handle, the rotating shaft is rotated into the sliding seat in the process of rotating, the inclined block is linearly moved on the guide rod, the inclined block is synchronously moved with the rotating shaft in the process of moving, the movement of the inclined block gradually extrudes the roller, the roller is extruded to rotate the clamping block with the end of the support as the fulcrum, so that the clamping end of the clamping block is clamped into the clamping groove on the outer surface of the supporting column, in this process, the external thread two of the end of the rotating shaft is gradually rotated into the threaded hole two on the outer surface of the support, and the clamping block is locked.
[0017] Through the design of the limiting groove and the magnetic adsorption block, after the rotating shaft is rotated into the sliding seat, the handle at the end of the connecting piece is moved to rotate ninety degrees and is clamped into the limiting groove on the outer surface of the sliding seat, the handle is adsorbed by the magnetic adsorption block on the inner wall of the limiting groove, and the secondary limiting of the connecting piece is realized, so that the sliding seat is in a stable limiting state. BRIEF DESCRIPTION OF DRAWINGS
[0018] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.
[0019] Figure 1 It is a general structure schematic view of the automatic hard pipe silver welding tool clamp.
[0020] Figure 2 It is a local structure schematic view of the automatic hard pipe silver welding tool clamp.
[0021] Figure 3 It is a local structure schematic view of the clamping mechanism of the automatic hard pipe silver welding tool clamp.
[0022] Figure 4 It is a structure schematic view of the rotating shaft of the automatic hard pipe silver welding tool clamp.
[0023] Figure 5 It is a structure schematic view of the locking mechanism of the automatic hard pipe silver welding tool clamp.
[0024] Figure 6 It is a sectional structure schematic view of the automatic hard pipe silver welding tool clamp.
[0025] In the figure, 1, base; 2, support column; 3, top plate; 4, sliding seat; 5, sliding plate; 6, shell; 7, air cylinder; 8, guide frame; 9, guide seat; 10, clamping plate; 11, steel pipe; 12, rotating shaft; 13, connecting piece; 14, handle; 15, limiting groove; 16, rotating ring; 17, external thread one; 18, external thread two; 19, threaded hole one; 20, support; 21, threaded hole two; 22, clamping block; 23, roller; 24, inclined block; 25, guide rod; 26, gas protection device; 27, positioning seat; 28, clamping groove. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0027] Please refer to Figures 1-6 The utility model provides a kind of automatic hard tube silver welding tooling fixture technical scheme, including base 1, the top rear side of base 1 is equipped with two groups of support column 2, two groups of support column 2 top are connected and fixed by top plate 3, two groups of support column 2 are slidably connected between two groups of sliding seat 4, locking mechanism is equipped between sliding seat 4 and support column 2, two sliding seats 4 of transverse are connected with sliding plate 5, the outer surface of sliding plate 5 is equipped with clamping mechanism.
[0028] Please refer to Figures 2-3 The clamping mechanism includes shell 6 arranged in the outer surface middle part of sliding plate 5, the inside two sides of shell 6 are equipped with one air cylinder 7 respectively, the outer surface two sides of sliding plate 5 are fixed with one guide frame 8 respectively, one guide seat 9 is slidably connected on the guide rod of two groups of guide frames 8 respectively, the side output end of two sides air cylinder 7 is connected and fixed with the outer surface middle part of two sides guide seat 9 respectively, the outer surface one side of guide seat 9 is connected with clamping plate 10 by bolt;By the design of clamping mechanism, when needing to clamp and fix steel pipe 11, guide seat 9 is moved by air cylinder 7, guide seat 9 is stably moved along guide frame 8, and at the same time, clamping plate 10 is driven to clamp and fix steel pipe 11.
[0029] Please refer to Figure 4 And Figure 5The locking mechanism comprises a movable cavity arranged inside the sliding seat 4, a threaded hole one 19 is arranged between one side of the movable cavity and the outer surface of the sliding seat 4, a rotating shaft 12 is threadedly connected in the threaded hole one 19, a connecting piece 13 is fixed at one end of the rotating shaft 12 outside the sliding seat 4, a handle 14 is hingedly connected at the end of the connecting piece 13, a limiting groove 15 is arranged at the top of the outer surface of the sliding seat 4 and matched with the handle 14, the rotating shaft 12 is rotatably connected with a bevel block 24 at one end inside the movable cavity, the bevel block 24 is slidably connected with a guide rod 25, one end of the guide rod 25 is fixed on the inner wall of the movable cavity, a bracket 20 is arranged on the side of the movable cavity away from the threaded hole one 19, the bracket 20 is fixedly connected with the inner wall of the movable cavity through a side plate, a clamping block 22 is hingedly connected with the bracket 20 at both ends through a spring hinge, a roller 23 matched with the bevel block 24 is rotatably connected with the flat section of the clamping block 22, a sliding hole matched with the supporting column 2 is arranged in the middle of the sliding seat 4, a through hole is arranged on the inner wall of the movable cavity and penetrates into the sliding hole, the clamping end of the clamping block 22 penetrates into the sliding hole through the through hole and is clamped in the clamping groove 28 on the outer surface of the supporting column 2, a rotating ring 16 is fixed on the middle of the rotating shaft 12, the rotating ring 16 is rotatably connected in the sliding seat 4, outer thread one 17 and outer thread two 18 are arranged on both sides of the outer surface of the rotating shaft 12, the outer thread one 17 is engaged with the threaded hole one 19, and a threaded hole two 21 matched with the outer thread two 18 is arranged in the middle of the outer surface of one side of the bracket 20; through the design of the locking mechanism, after the height of the sliding seat 4 is adjusted, the handle 14 is held to drive the rotating shaft 12 to rotate, the rotating shaft 12 rotates in the process of rotating, and the rotating shaft 12 is screwed into the sliding seat 4 through the engagement of the outer thread one 17 and the threaded hole one 19, in the process of the rotating shaft 12 being screwed in, the bevel block 24 is linearly moved on the guide rod 25, in the process of the bevel block 24 moving, the bevel block 24 and the rotating shaft 12 are synchronously moved, the movement of the bevel block 24 gradually squeezes the roller 23, the roller 23 is squeezed to drive the clamping block 22 to rotate around the end of the bracket 20 as a fulcrum, so that the clamping end of the clamping block 22 is clamped into the clamping groove 28 on the outer surface of the supporting column 2, in this process, the outer thread two 18 at the end of the rotating shaft 12 is gradually screwed into the threaded hole two 21 on the outer surface of the bracket 20, and the clamping block 22 is locked.
[0030] Referring to Figure 2 and Figure 4The handle 14 is made of metal material, and a magnetic adsorption block matched with the handle 14 is arranged on the inner wall of the limiting groove 15. Through the design of the limiting groove 15 and the magnetic adsorption block, after the rotating shaft 12 is screwed into the sliding seat 4, the handle 14 at the end of the connecting piece 13 is moved to make the handle 14 rotate by 90 degrees and be clamped into the limiting groove 15 on the outer surface of the sliding seat 4. The handle 14 is adsorbed by the magnetic adsorption block on the inner wall of the limiting groove 15, and then the secondary limiting of the connecting piece 13 is realized, so that the sliding seat 4 is in a stable limiting state.
[0031] With reference to Figure 6 The middle part of the base 1 is provided with a positioning seat 27, the outer side of the positioning seat 27 is provided with a gas protection device 26, the positioning seat 27 is inserted with a steel pipe 11, and the top end of the steel pipe 11 penetrates to the outer side of the gas protection device 26 and is clamped between two clamping mechanisms through the gas protection device 26.
[0032] In use, the steel pipe 11 is inserted into the positioning seat 27, then the sliding seat 4 is pulled to move vertically, thereby driving the sliding plate 5 to move vertically on the support column 2, so as to adjust the height of the two sets of clamping mechanisms to adapt to steel pipes 11 of different lengths, after adjustment, the handle 14 is held to rotate the rotating shaft 12, the rotating shaft 12 rotates to rotate into the sliding seat 4 through the engagement of the outer thread 17 and the threaded hole 19, in the process of rotating into the sliding seat 4, the inclined block 24 is pushed to move linearly on the guide rod 25, in the process of moving, the inclined block 24 and the rotating shaft 12 move synchronously, the movement of the inclined block 24 gradually extrudes the roller 23, the roller 23 is extruded to drive the clamping block 22 to rotate around the end of the bracket 20, thereby making the clamping end of the clamping block 22 clamped into the clamping groove 28 on the outer surface of the support column 2, in this process, the outer thread 18 at the end of the rotating shaft 12 gradually rotates into the threaded hole 21 on the outer surface of the bracket 20, achieving locking of the clamping block 22, at the same time, the handle 14 at the end of the connecting piece 13 is pulled to rotate ninety degrees and clamped into the limiting slot 15 on the outer surface of the sliding seat 4, the handle 14 is adsorbed by the magnetic adsorption block on the inner wall of the limiting slot 15, thereby achieving secondary limiting of the connecting piece 13, so that the sliding seat 4 is in a stable limiting state; then, the guide seat 9 is pulled by the gas cylinder 7 to move, while the guide seat 9 moves stably along the guide frame 8, the clamping plate 10 is driven to clamp and fix the steel pipe 11; after clamping of the steel pipe 11 is completed, at this time, the steel pipe 11 is limited in the horizontal direction by the positioning seat 27 and in the vertical direction by the clamping mechanism, then the upper cover of the gas protection device 26 is opened to put the workpiece, and then the welding equipment in the gas protection device 26 is used, that is, the copper induction coil is used for induction heating of the filler, the filler is melted into the gap between the bottom of the steel pipe 11 and the connecting piece joint, while heating, nitrogen gas is introduced into the gas protection cover to protect the welding area, after welding is completed, after cooling, the high-precision brazing work is completed.
[0033] Although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.
Claims
1. An automated hard tube silver brazing fixture, comprising: The utility model provides a double -sided clamping device, including the base (1), the top rear side of base (1) is equipped with two groups of support column (2), two groups support column (2) top between through top plate (3) connection fixed, two groups of sliding seat (4) are connected between two groups support column (2) slidingly, be equipped with locking mechanism between sliding seat (4) with support column (2), the lateral two sliding seat (4) between connection has sliding plate (5), the outer surface of sliding plate (5) is equipped with clamping mechanism.
2. The automated hard tube silver brazing fixture clamp of claim 1, wherein, The clamping mechanism includes a housing (6) disposed in the middle of the outer surface of the sliding plate (5), the inside of the housing (6) is provided with a cylinder (7) on both sides, the outer surface of the sliding plate (5) is respectively fixed with a guide frame (8) on both sides, a guide seat (9) is respectively connected on the guide rod of the two guide frames (8), the side output of the cylinder (7) on both sides is respectively connected with the outer surface of the guide seat (9) in the middle, the outer surface of the guide seat (9) is connected with a clamping plate (10) on one side through bolts.
3. The automated hard tube silver brazing fixture clamp of claim 2, wherein, The locking mechanism includes a movable cavity disposed in the sliding seat (4), a threaded hole (19) is formed between the outer surface of the sliding seat (4) on one side of the movable cavity, a rotating shaft (12) is threadedly connected in the threaded hole, the connecting piece (13) is fixed on one end of the rotating shaft (12) outside the sliding seat (4), the handle (14) is hinged on the end of the connecting piece (13), the limiting groove (15) is formed in the top of the outer surface of the sliding seat (4) to cooperate with the handle (14).
4. The automated hard tube silver brazing fixture clamp of claim 3, wherein, The one end of the rotating shaft (12) inside the movable cavity is rotatably connected to the inclined block (24), the inclined block (24) is slidably connected to the guide rod (25), one end of the guide rod (25) is fixed to the inner wall of the movable cavity, the support (20) is arranged on the side of the movable cavity away from the threaded hole (19), the support (20) is fixedly connected to the inner wall of the movable cavity through the side plate, the two ends of the support (20) are respectively hinged to a clamping block (22) through a spring hinge, the flat section of the clamping block (22) is rotatably connected to the roller (23) cooperating with the inclined block (24).
5. The automated hard tube silver brazing fixture clamp of claim 4, wherein, The middle of the sliding seat (4) is provided with a sliding hole cooperating with the support column (2), a through hole is formed in the inner wall of the movable cavity to the sliding hole, the clamping end of the clamping block (22) penetrates through the through hole to the sliding hole and is clamped in the clamping groove (28) on the outer surface of the support column (2).
6. The automated hard tube silver brazing fixture clamp of claim 5, wherein, The middle of the rotating shaft (12) is fixed with a rotating ring (16), the rotating ring (16) is rotatably connected in the sliding seat (4), the outer surface of the rotating shaft (12) is respectively provided with an outer thread (17) and an outer thread (18) on both sides, the outer thread (17) is engaged with the threaded hole (19), the middle of the outer surface of the support (20) on one side is provided with a threaded hole (21) cooperating with the outer thread (18).
7. The automated hard tube silver brazing fixture clamp of claim 6, wherein, The handle (14) is made of metal material, and a magnetic adsorption block matched with the handle (14) is arranged on the inner wall of the limiting groove (15).
8. The automated hard tube silver brazing fixture clamp of claim 7, wherein, The middle part of the base (1) is provided with a positioning seat (27), the outer side of the positioning seat (27) is provided with a gas protection device (26), a steel pipe (11) is inserted into the positioning seat (27), and the top end of the steel pipe (11) penetrates through the gas protection device (26) and is clamped between the two clamping mechanisms outside the gas protection device (26).