Precise-positioning filter coaxial welding positioning clamp

Abstract

The utility model relates to the technical field of filter production and processing, and discloses a filter coaxial welding positioning fixture capable of accurately positioning, which comprises a fixed base, and a movable seat is arranged at the top end of the fixed base. When the filter coaxial welding positioning clamp capable of achieving accurate positioning is used, after a shell workpiece is placed at the top end of the fixed base or the bottom end of the movable base, a first rotating handle is rotated to drive a first two-way lead screw to rotate, and the first two-way lead screw can drive the two clamping bases to move inwards at the same time while rotating; after the two sides of a shell workpiece are clamped and positioned, second rotating handles at the rear ends of the two sets of clamping bases can be rotated to drive second bidirectional lead screws to rotate, the second bidirectional lead screws rotate to drive the two sets of clamping plates to move inwards at the same time, the two ends of the workpiece are clamped and positioned, left-right and front-back multi-position fixing is conducted, and accurate positioning can be conducted; the problem that multi-position accurate positioning cannot be conveniently carried out when a filter shell workpiece is welded is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of filter production and processing, in particular to a precisely positioned filter coaxial welding positioning fixture. Background Art

[0002] A filter is a device that processes signals. It is mainly composed of an external shell and internal capacitors, inductors, and resistors. It is widely used. During the production and processing of the filter, the external metal shell needs to be welded. Before welding the filter shell workpiece, a welding positioning fixture is used to facilitate the auxiliary positioning and fixation of the shell workpiece before welding to prevent welding displacement.

[0003] However, when the welding positioning fixture is used to clamp and position the filter housing workpiece before welding, the general fixture can only simply assist in clamping and positioning the two sides of the housing workpiece, while the front and rear positions cannot be directly positioned. The accuracy during clamping and positioning is poor, which is inconvenient and not convenient for multi-position precise positioning and fixing of the filter housing workpiece during welding.

[0004] Now, a novel filter coaxial welding positioning fixture with precise positioning is proposed to solve the above-mentioned shortcomings. Utility Model Content

[0005] The utility model aims to provide a precisely positioned filter coaxial welding positioning fixture to solve the problem inconvenient to precisely position and fix the filter housing workpiece at multiple positions when welding the filter housing workpiece as mentioned in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a precisely positioned filter coaxial welding positioning fixture, comprising a fixed base, a movable seat is arranged on the top of the fixed base, and a clamping structure for coaxial multi-position precise positioning and fixing of the filter workpiece is respectively arranged on the fixed base and the guide rod;

[0007] The cam is an assembly made of a plurality of movable plates, each of which has a first end fixed to the base and a second end fixed to the base, wherein the plurality of movable plates have a first end fixed to the base and a second end fixed to the base.

[0008] Preferably, the first movable grooves penetrate the interior of the top end of the fixed base and the interior of the bottom end of the movable base respectively, and the bottom end of the first connecting base penetrates the interior of the first movable groove and is fixedly connected to the top end of the clamping base.

[0009] Preferably, the second movable groove passes through the interior of one side of the clamping seat, and the left side of the second connecting seat is fixedly connected to the right side of the clamping plate.

[0010] Preferably, the clamping seat and the clamping plate are symmetrically arranged with respect to the vertical center lines of the fixed base and the movable base, respectively.

[0011] Preferably, a top seat is provided at the top of the movable seat, and guide rods are vertically fixedly connected to the four corners of the top of the fixed base, and sliding sleeves are fixed to the four corners of the top of the movable seat, and the sliding sleeves pass through the interior of the movable seat, and a threaded hole is opened inside the middle position of the top of the top seat, and the internal thread of the threaded hole is rotatably connected to a one-way screw, and a turning handle is fixed to the top of the one-way screw, and the bottom end of the one-way screw is movably connected to the top of the movable seat.

[0012] Preferably, the top end of the guide rod passes through the interior of the sliding sleeve and is fixedly connected to the bottom end of the top seat.

[0013] Preferably, brackets are respectively installed and fixed on both sides of the fixed base, and a gooseneck tube is fixed on the left side of the bracket, a lamp holder is fixed on the top of the gooseneck tube, and an LED lamp head is fixed on the left side inside the lamp holder, and a connecting wire is arranged inside the gooseneck tube.

[0014] Preferably, the bottom end of the connecting wire passes through the inside of the gooseneck tube and the bracket respectively, and the top end of the connecting wire is electrically connected to the LED lamp holder.

[0015] Compared with the prior art, the utility model has the beneficial effects that the precisely positioned filter coaxial welding positioning fixture not only facilitates the multi-position precise positioning and fixing of the filter housing workpiece during welding, facilitates the alignment of the filter split housing workpiece during welding, but also facilitates the auxiliary fill light illumination during the welding operation of the filter welding workpiece.

[0016] (1) By providing a fixed base, a movable base, a first bidirectional screw, a first threaded sleeve, a first handlebar, a first movable groove, a first connecting base, a clamping base, a clamping plate, a second movable groove, a second connecting base, a second bidirectional screw, a second threaded sleeve and a second handlebar, when using the clamp to clamp and position the filter housing workpiece for auxiliary welding, the housing workpiece can be placed on the top end of the fixed base or the bottom end of the movable base, and then the first handlebar is rotated to drive the first bidirectional screw to rotate. While the first bidirectional screw rotates, the first threaded sleeve with a thread connection can be used to drive the two groups of clamping bases to move inward at the same time. After clamping and positioning the two sides of the housing workpiece, the second handlebars at the rear ends of the two groups of clamping bases can be rotated respectively to drive the second bidirectional screw to rotate. While the second bidirectional screw rotates, the second threaded sleeve with a thread connection can be used to drive the two groups of clamping plates to move inward at the same time. The two ends of the workpiece can be assisted in clamping and positioning. The left and right and front and back multiple positions can be fixed, and the filter housing workpiece can be accurately positioned;

[0017] (2) By providing a fixed base, a movable base, a sliding sleeve, a top base, a rotating handle, a threaded hole and a one-way screw, when the welding fixture is used, after the split filter workpiece is clamped and positioned at the top end of the fixed base and the bottom end of the movable base respectively, the one-way screw can be driven to rotate by rotating the rotating handle. While the one-way screw rotates the inner thread of the threaded hole, the movable base can be directed downward at the top end of the fixed base, which is convenient for docking and aligning the two groups of split filter shell workpieces at the welding position, and the shell workpiece can also be coaxially positioned up and down, which is convenient for welding and processing of the filter shell workpiece.

[0018] (3) By providing a fixed base, a lamp holder, an LED lamp head, a gooseneck tube, a bracket and connecting wires, when a clamp is used to weld the filter housing workpiece, the connecting wires can be connected to an external power supply. After the LED lamp head is powered and lit, the provided lamp holder and LED lamp head can be used to provide auxiliary lighting and fill light to illuminate the welding position of the filter housing workpiece between the fixed base and the movable base, thereby improving the brightness of the welding operation environment. At the same time, when the lamp holder and the LED lamp head are used for lighting, the lighting position can be adjusted by bending the gooseneck tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0020] Figure 2 This is a schematic diagram of a partial cross-sectional structure of the clamping seat of the utility model when viewed from above;

[0021] Figure 3 For this utility model Figure 1 A is an enlarged structural diagram;

[0022] Figure 4 It is a front view enlarged structural schematic diagram of the gooseneck tube of the utility model.

[0023] In the figure: 1. fixed base; 2. guide rod; 3. movable seat; 4. sliding sleeve; 5. top seat; 6. turning handle; 7. first bidirectional lead screw; 8. first threaded sleeve; 9. first turning handle; 10. first movable groove; 11. first connecting seat; 12. clamping seat; 13. clamping plate; 14. second movable groove; 15. second connecting seat; 16. second bidirectional lead screw; 17. second threaded sleeve; 18. second turning handle; 19. threaded hole; 20. unidirectional lead screw; 21. lamp holder; 22. LED lamp holder; 23. gooseneck tube; 24. bracket; 25. connecting wire. 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] Example 1: Please refer to Figure 1-4 A precisely positioned filter coaxial welding positioning fixture comprises a fixed base 1, a movable base 3 is arranged at the top of the fixed base 1, and a top base 5 is arranged at the top of the movable base 3, and a clamping structure for coaxial multi-position precise positioning and fixing of the filter workpiece is respectively arranged on the fixed base 1 and the guide rod 2;

[0026] The clamping structure includes a first bidirectional screw rod 7, a first threaded sleeve 8, a first turning handle 9, a first movable groove 10, a first connecting seat 11, a clamping seat 12, a clamping plate 13, a second movable groove 14, a second connecting seat 15, a second bidirectional screw rod 16, a second threaded sleeve 17 and a second turning handle 18. The interiors of the fixed base 1 and the movable seat 3 are respectively connected with the first bidirectional screw rod 7 in a transversely movable manner, and the first threaded sleeve 8 is respectively threadedly connected to the first threaded sleeve 8 on both sides of the exterior of the first bidirectional screw rod 7. The bottom end of the first threaded sleeve 8 is fixed with the first connecting seat 11. The right side of the first bidirectional screw rod 7 passes through the fixed base 1 and the movable seat 3. The right side of the movable seat 3 is fixedly connected with the first turning handle 9, the two sides of the top of the fixed base 1 and the two sides of the bottom of the movable seat 3 are respectively provided with clamping seats 12, the two ends of the left side of the clamping seat 12 are symmetrically provided with clamping plates 13, the inside of the clamping seat 12 is movably connected with a second bidirectional lead screw 16, and the two ends of the outside of the second bidirectional lead screw 16 are respectively threadedly connected with a second threaded sleeve 17, the left side of the second threaded sleeve 17 is fixed with a second connecting seat 15, the inside of the left side of the clamping seat 12 is provided with a second movable groove 14, the rear end of the second bidirectional lead screw 16 passes through the rear end of the clamping seat 12 and is fixed with a second turning handle 18;

[0027] The first movable groove 10 penetrates the interior of the top end of the fixed base 1 and the interior of the bottom end of the movable base 3 respectively, the bottom end of the first connecting seat 11 penetrates the interior of the first movable groove 10 and is fixedly connected to the top end of the clamping seat 12, the second movable groove 14 penetrates the interior of one side of the clamping seat 12, the left side of the second connecting seat 15 is fixedly connected to the right side of the clamping plate 13, and the clamping seat 12 and the clamping plate 13 are symmetrically arranged about the vertical center lines of the fixed base 1 and the movable base 3 respectively;

[0028] Specifically, Figure 1 and Figure 2 As shown, when using the clamp to clamp and position the filter housing workpiece for auxiliary welding, the housing workpiece can be placed on the top of the fixed base 1 or the bottom of the movable base 3, and then the first turning handle 9 is turned to drive the first bidirectional screw rod 7 to rotate. While the first bidirectional screw rod 7 is rotating, the first threaded sleeve 8 with a threaded connection can be used to drive the two groups of clamping seats 12 to move inward at the same time. After clamping and positioning both sides of the housing workpiece, the second turning handle 18 at the rear end of the two groups of clamping seats 12 can be rotated respectively to drive the second bidirectional screw rod 16 to rotate. While the second bidirectional screw rod 16 is rotating, the second threaded sleeve 17 with a threaded connection can be used to drive the two groups of clamping plates 13 to move inward at the same time. The two ends of the workpiece can be assisted in clamping and positioning, and the left and right and front and back multiple positions can be fixed, and the filter housing workpiece can be accurately positioned.

[0029] Embodiment 2: A top seat 5 is provided at the top of the movable seat 3, and guide rods 2 are respectively fixedly connected vertically at the four corners of the top of the fixed base 1, and sliding sleeves 4 are respectively fixed at the four corners of the top of the movable seat 3, and the sliding sleeves 4 penetrate the interior of the movable seat 3, and a threaded hole 19 is opened inside the middle position of the top of the top seat 5, and a one-way screw 20 is rotatably connected to the internal thread of the threaded hole 19, and a rotating handle 6 is fixed to the top of the one-way screw 20, and the bottom end of the one-way screw 20 is movably connected to the top of the movable seat 3, and the top end of the guide rod 2 penetrates the interior of the sliding sleeve 4 and is fixedly connected to the bottom end of the top seat 5;

[0030] Specifically, Figure 1 and Figure 3 As shown, after the split filter workpieces are clamped and positioned at the top of the fixed base 1 and the bottom of the movable seat 3 respectively, the one-way screw 20 can be driven to rotate by rotating the handle 6. While the one-way screw 20 rotates the internal thread of the threaded hole 19, it can drive the movable seat 3 to move downward in a directional manner at the top of the fixed base 1, so as to facilitate the docking and alignment of the two groups of split filter housing workpieces at the welding position.

[0031] Embodiment 3: The two sides of the fixed base 1 are respectively fixed with brackets 24, and the left side of the bracket 24 is fixed with a gooseneck tube 23, the top of the gooseneck tube 23 is fixed with a lamp holder 21, and the left side of the inside of the lamp holder 21 is fixed with an LED lamp holder 22, and the inside of the gooseneck tube 23 is provided with a connecting wire 25, the bottom end of the connecting wire 25 passes through the inside of the gooseneck tube 23 and the bracket 24 respectively, and the top end of the connecting wire 25 is electrically connected to the LED lamp holder 22;

[0032] Specifically, Figure 1 and Figure 4 As shown, the connecting wire 25 can be connected to an external power supply. After the LED lamp head 22 is powered and lit, the set lamp holder 21 and LED lamp head 22 can provide auxiliary lighting and fill light to the welding position of the filter housing workpiece between the fixed base 1 and the movable base 3, thereby improving the brightness of the welding operation environment. At the same time, when the lamp holder 21 and the LED lamp head 22 are used for lighting, the lighting position can also be adjusted by bending the gooseneck tube 23.

[0033] Working principle: When the utility model is in use, when the filter housing workpiece is clamped and positioned for auxiliary welding, the housing workpiece can be placed on the top of the fixed base 1 or the bottom of the movable base 3, and then the first turning handle 9 is rotated to drive the first bidirectional screw rod 7 to rotate. While the first bidirectional screw rod 7 rotates, the first threaded sleeve 8 connected by thread can be used to drive the two groups of clamping seats 12 to move inward at the same time. After clamping and positioning the two sides of the housing workpiece, the second turning handle 18 at the rear end of the two groups of clamping seats 12 can be rotated respectively to drive the second bidirectional screw rod 16 to rotate. While the second bidirectional screw rod 16 rotates, the second threaded sleeve 17 connected by thread can be used to drive the two groups of clamping plates 13 to move inward at the same time, so that the two ends of the workpiece can be assisted in clamping and positioning, and the left and right and front and back multi-position fixing can be carried out, and the filter housing workpiece can be accurately positioned. When the welding fixture is used, the split filter can be clamped and positioned on the workpiece separately After being fixed at the top end of the fixed base 1 and the bottom end of the movable seat 3, the one-way screw 20 can be driven to rotate by rotating the handle 6. While the one-way screw 20 rotates the internal thread of the threaded hole 19, it can drive the movable seat 3 to move downward in a directional manner at the top end of the fixed base 1, so as to facilitate the docking and alignment of the two groups of separate filter housing workpieces at the welding position, and facilitate the welding processing of the filter housing workpiece. When using the clamp to weld the filter housing workpiece, the connecting wire 25 can be connected to an external power supply. After the LED lamp head 22 is powered and lit, the welding position of the filter housing workpiece between the fixed base 1 and the movable seat 3 can be auxiliary illuminated by the set lamp holder 21 and LED lamp head 22, so as to improve the brightness of the welding operation environment. At the same time, when the lamp holder 21 and the LED lamp head 22 are used for lighting, the lighting position can also be adjusted by bending the gooseneck tube 23.

[0034] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A filter coaxial welding positioning fixture for precise positioning, comprising a fixed base (1), characterized in that: A movable seat (3) is arranged at the top of the fixed base (1), and clamping structures for accurately positioning and fixing the filter workpiece at multiple positions are respectively arranged on the fixed base (1) and the guide rod (2); The clamping structure comprises a first bidirectional screw rod (7), a first threaded sleeve (8), a first turning handle (9), a first movable groove (10), a first connecting seat (11), a clamping seat (12), a clamping plate (13), a second movable groove (14), a second connecting seat (15), a second bidirectional screw rod (16), a second threaded sleeve (17) and a second turning handle (18); the interiors of the fixed base (1) and the movable base (3) are respectively connected with the first bidirectional screw rod (7) in a transversely movable manner, and the first threaded sleeve (8) is respectively threadedly connected on both sides of the exterior of the first bidirectional screw rod (7); the first connecting seat (11) is fixed to the bottom end of the first threaded sleeve (8); the right side of the first bidirectional screw rod (7) passes through the fixed base (1) and The right side of the movable seat (3) is fixedly connected with a first turning handle (9), and clamping seats (12) are respectively arranged on both sides of the top end of the fixed base (1) and the bottom end of the movable seat (3), and clamping plates (13) are symmetrically arranged at both ends of the left side of the clamping seat (12), and the inside of the clamping seat (12) is movably connected with a second bidirectional lead screw (16), and the two ends of the outside of the second bidirectional lead screw (16) are respectively threadedly connected with a second threaded sleeve (17), and the left side of the second threaded sleeve (17) is fixed with a second connecting seat (15), and a second movable groove (14) is opened inside the left side of the clamping seat (12), and the rear end of the second bidirectional lead screw (16) passes through the rear end of the clamping seat (12) and is fixed with a second turning handle (18).

2. The filter coaxial welding positioning fixture with precise positioning according to claim 1 is characterized by: The first movable groove (10) respectively penetrates the interior of the top end of the fixed base (1) and the interior of the bottom end of the movable base (3); the bottom end of the first connecting base (11) penetrates the interior of the first movable groove (10) and is fixedly connected to the top end of the clamping base (12).

3. The filter coaxial welding positioning fixture with precise positioning according to claim 1 is characterized in that: The second movable groove (14) passes through the interior of one side of the clamping seat (12), and the left side of the second connecting seat (15) is fixedly connected to the right side of the clamping plate (13).

4. The filter coaxial welding positioning fixture with precise positioning according to claim 1 is characterized by: The clamping seat (12) and the clamping plate (13) are symmetrically arranged with respect to the vertical center lines of the fixed base (1) and the movable base (3), respectively.

5. The filter coaxial welding positioning fixture with precise positioning according to claim 1 is characterized by: A top seat (5) is provided at the top of the movable seat (3); guide rods (2) are respectively fixedly connected vertically at the four corners of the top of the fixed base (1); sliding sleeves (4) are respectively fixed at the four corners of the top of the movable seat (3); and the sliding sleeves (4) penetrate the interior of the movable seat (3); a threaded hole (19) is provided inside the middle position of the top of the top seat (5); and a one-way screw (20) is rotatably connected to the internal thread of the threaded hole (19); a rotating handle (6) is fixed at the top of the one-way screw (20); and the bottom end of the one-way screw (20) is movably connected to the top of the movable seat (3).

6. The filter coaxial welding positioning fixture with precise positioning according to claim 5 is characterized by: The top end of the guide rod (2) passes through the interior of the sliding sleeve (4) and is fixedly connected to the bottom end of the top seat (5).

7. The filter coaxial welding positioning fixture with precise positioning according to claim 1 is characterized by: Brackets (24) are respectively installed and fixed on both sides of the fixed base (1), and a gooseneck tube (23) is fixed on the left side of the bracket (24), a lamp holder (21) is fixed on the top of the gooseneck tube (23), and an LED lamp head (22) is fixed on the left side inside the lamp holder (21), and a connecting wire (25) is arranged inside the gooseneck tube (23).

8. The filter coaxial welding positioning fixture with precise positioning according to claim 7 is characterized by: The bottom end of the connecting wire (25) passes through the inside of the gooseneck tube (23) and the bracket (24), respectively, and the top end of the connecting wire (25) is electrically connected to the LED lamp holder (22).

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