Adjustable metal plate spot welding positioning device

Abstract

The utility model relates to the technical field of sheet metal processing, in particular to an adjustable sheet metal spot welding positioning device, which is characterized in that square positioning rods are respectively inserted into positioning holes; the limiting mechanism is arranged in the operation table; the driving mechanism is connected with the limiting mechanism; the turntables are arranged above the positioning square rods in pairs up and down; the connecting screw rods are fixed to the annular wall of the rotary disc, and the outer ends of the connecting screw rods are sleeved with positioning pipes in a screwed mode. The connecting shafts are fixed to the square rods respectively, the connecting shafts penetrate through the upper rotating disc and the lower rotating disc in a screwed mode through bearings, and the upper ends of the connecting shafts are connected with second hand screws in a screwed mode through bearings; the fixing mechanisms are respectively arranged in the connecting shafts; rapid positioning of the shape of the metal plate is achieved, the clamping efficiency is improved, looseness during machining is avoided, and the positioning precision is guaranteed; the locking stability is ensured, and displacement in the spot welding process is prevented; and multi-angle adjustment is supported, the spot welding requirements of different sheet metal parts are met, and practicability is improved.

Description

Technical Field

[0001] This utility model relates to the field of sheet metal processing technology, specifically to an adjustable sheet metal spot welding positioning device. Background Technology

[0002] In sheet metal spot welding, traditional positioning devices typically employ a fixed structure, which is difficult to adapt to sheet metal parts of different shapes or sizes, resulting in low positioning accuracy and poor adjustment efficiency. Existing technologies, such as some adjustable positioning devices, suffer from complex structures and cumbersome operations, and lack the function of synchronously adjusting the angle and position of the sheet metal, affecting spot welding quality and production efficiency. Therefore, an adjustable sheet metal spot welding positioning device is proposed. Utility Model Content

[0003] The purpose of this utility model is to address the shortcomings and deficiencies of existing technologies by providing an adjustable sheet metal spot welding positioning device. This device enables rapid positioning of sheet metal shapes, improves clamping efficiency, prevents loosening during processing, and ensures positioning accuracy. It also ensures locking stability, prevents displacement during spot welding, supports multi-angle adjustment, adapts to the spot welding needs of different sheet metal parts, and improves practicality.

[0004] To achieve the above objectives, the present invention adopts the following technical solution: it includes an operating table; the top of the operating table has several positioning holes distributed in a matrix;

[0005] It also includes:

[0006] Positioning rods, wherein there are several positioning rods, and each is inserted into a positioning hole;

[0007] A limiting mechanism, wherein the limiting mechanism is located inside the operating console;

[0008] A driving mechanism, which is connected to a limiting mechanism;

[0009] The turntables are of several kinds, and are arranged in pairs above the positioning square rods.

[0010] The connecting screws are of several kinds and are respectively fixed on the annular wall of the turntable. The outer end of the connecting screws is screwed with a positioning tube.

[0011] The connecting shaft consists of several shafts, each fixed to a square rod. The connecting shafts are screwed through the upper and lower turntables via bearings. The upper end of the connecting shaft is screwed with a No. 2 hand screw via a bearing.

[0012] The fixing mechanism comprises several parts, each located within the connecting shaft.

[0013] Preferably, the limiting mechanism comprises:

[0014] The limiting rods are of several types, and each of them corresponds to a positioning hole; the bottom of the limiting rod is connected to a slider, and the bottom of the slider is provided with a slide rail, which is fixed to the inner bottom plate of the operating table.

[0015] The limiting screws are of several kinds, and each of them is threaded through the right end of the limiting rod; the limiting screws are connected to the operating table through bearing seats;

[0016] The rotating shafts are numerous and are screwed onto the inner bottom plate of the operating table via bearings. The rotating shafts are screwed onto the limiting screws via a bevel gear pair.

[0017] The gears are numerous and each gear is mounted on a rotating shaft;

[0018] The racks are of several kinds and are respectively engaged with the left side of the gear; a connecting rod is fixed between the front and rear racks.

[0019] Preferably, the drive mechanism comprises:

[0020] Second connecting rod, which is fixed to the front end of several foremost racks;

[0021] The third connecting rod is fixed to the rear end of several rearmost racks;

[0022] The drive screw is threaded through the second connecting rod, and the other end of the drive screw is threaded through the front side wall of the operating table via a bearing; a first hand screw is fixed to the outer end of the drive screw.

[0023] Preferably, two limiting rods are movably inserted on the third connecting rod, and the limiting rods are fixed to the rear side wall of the operating table.

[0024] Preferably, the fixing mechanism comprises:

[0025] Two fixing screws are provided, each located inside the connecting shaft. The bottom of the fixing screw is screwed onto the positioning square rod via a bearing, and the top of the fixing screw is fixed to the bottom of the No. 2 hand-tightening screw. The threads of the upper and lower fixing screws are arranged in opposite directions.

[0026] The internally threaded tubes are two in number, and each is screwed onto a fixed screw rod by a threaded connection.

[0027] The fixing rods are numerous and are arranged in a ring and fixed on the internal threaded tube. The fixing rods are arranged in an "L" shape. Several limiting grooves are opened on the ring wall of the connecting shaft, and the fixing rods are inserted into the limiting grooves.

[0028] Preferably, a rubber pad is fixed to the outer end of the fixing rod, and the rubber pad rests against the turntable.

[0029] Compared with the prior art, the beneficial effects of this utility model are:

[0030] 1. Enables rapid positioning of sheet metal shapes, improves clamping efficiency, prevents loosening during processing, and ensures positioning accuracy;

[0031] 2. Ensure locking stability to prevent displacement during spot welding;

[0032] 3. Supports multi-angle adjustment to adapt to the spot welding needs of different sheet metal parts, improving practicality. Attached Figure Description

[0033] Figure 1 This is the southwest isometric view of this utility model.

[0034] Figure 2 yes Figure 1 Enlarged view of part A in the image.

[0035] Figure 3 This is a schematic diagram of the internal structure of this utility model.

[0036] Figure 4 yes Figure 3 Enlarged view of part B in the image.

[0037] Figure 5 yes Figure 3 Enlarged view of section C in the image.

[0038] Figure 6 yes Figure 3 Enlarged view of part D in the image.

[0039] Figure 7 This is a cross-sectional view of the connecting shaft in this utility model.

[0040] Explanation of reference numerals in the attached figures:

[0041] Operating console 1, positioning hole 1-1, positioning square rod 2, limiting mechanism 3, limiting insert rod 3-1, slider 3-2, slide rail 3-3, limiting screw 3-4, rotating shaft 3-5, gear 3-6, rack 3-7, first connecting rod 3-8, driving mechanism 4, second connecting rod 4-1, third connecting rod 4-2, limiting rod 4-3, driving screw 4-4, first hand-tightening 4-5, turntable 5, connecting screw 6, positioning tube 7, connecting shaft 8, limiting groove 8-1, second hand-tightening 9, fixing mechanism 10, fixing screw 10-1, internal thread tube 10-2, fixing rod 10-3, rubber pad 10-4. Detailed Implementation

[0042] The technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. The preferred embodiments described are only examples. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0043] The specific implementation method adopts the following technical solution:

[0044] Please see Figure 1-7 This embodiment includes an operating table 1; the top of the operating table 1 has several positioning holes 1-1 arranged in a matrix.

[0045] It also includes:

[0046] Positioning rod 2, there are several positioning rods 2, and they are respectively inserted into positioning holes 1-1;

[0047] Limiting mechanism 3, wherein the limiting mechanism 3 is disposed within the operating table 1; the limiting mechanism 3 comprises:

[0048] The limiting rod 3-1 is a plurality of such limiting rods 3-1, and each of them is respectively set to correspond one-to-one with the positioning hole 1-1; the bottom of the limiting rod 3-1 is connected to the slider 3-2 by a rod, and the bottom of the slider 3-2 is provided with a slide rail 3-3, which is fixed to the inner bottom plate of the operating table 1.

[0049] The limiting screws 3-4 are numerous and are threadedly connected to the right end of the limiting rod 3-1; the limiting screws 3-4 are connected to the operating table 1 through bearing seats.

[0050] Rotating shaft 3-5, there are several rotating shafts 3-5, and they are respectively screwed onto the inner bottom plate of the operating table 1 through bearings. The rotating shaft 3-5 is screwed onto the limiting screw 3-4 through a bevel gear pair.

[0051] Gears 3-6, there are several gears 3-6, and each gear is sleeved on the rotating shaft 3-5;

[0052] Racks 3-7, there are several racks 3-7, and they are respectively engaged with the left side of gear 3-6; a connecting rod 3-8 is fixed between the front and rear racks 3-7;

[0053] Drive mechanism 4, which is connected to limiting mechanism 3; drive mechanism 4 includes:

[0054] Second connecting rod 4-1, which is fixed to the front end of several foremost racks 3-7;

[0055] The third connecting rod 4-2 is fixed to the rear end of several rearmost racks 3-7; two left and right limiting rods 4-3 are movably inserted on the third connecting rod 4-2, and the limiting rods 4-3 are fixed to the rear side wall of the operating table 1.

[0056] The drive screw 4-4 is threaded through the second connecting rod 4-1, and the other end of the drive screw 4-4 is threaded through the front side wall of the operating table 1 via a bearing; a first hand screw 4-5 is fixed to the outer end of the drive screw 4-4.

[0057] Turntable 5, there are several turntables 5, and they are arranged in pairs above the positioning square rod 2;

[0058] A number of connecting screws 6 are provided, and each is fixed on the annular wall of the turntable 5. A positioning tube 7 is screwed onto the outer end of the connecting screw 6.

[0059] Connecting shaft 8, there are several connecting shafts 8, and they are fixed on the square rod 2 respectively. The connecting shaft 8 is screwed through the upper and lower turntables 5 by bearings. The upper end of the connecting shaft 8 is screwed with a No. 2 hand screw 9 by bearings.

[0060] A fixing mechanism 10, wherein there are several fixing mechanisms 10, each disposed within the connecting shaft 8; each fixing mechanism 10 includes:

[0061] There are two fixing screws 10-1, which are respectively located inside the connecting shaft 8. The bottom of the fixing screw 10-1 is screwed onto the positioning square rod 2 through a bearing, and the top of the fixing screw 10-1 is fixed to the bottom of the second hand screw 9. The threads of the upper and lower fixing screws 10-1 are arranged in opposite directions.

[0062] There are two internally threaded tubes 10-2, and each of them is threadedly screwed onto the fixing screw 10-1.

[0063] The fixing rods 10-3 are numerous and are arranged in a ring on the internal threaded tube 10-2. The fixing rods 10-3 are arranged in an "L" shape. Several limiting grooves 8-1 are opened on the ring wall of the connecting shaft 8. The fixing rods 10-3 are inserted into the limiting grooves 8-1. The outer end of the fixing rods 10-3 is glued to a rubber pad 10-4, which abuts against the turntable 5.

[0064] When using this utility model, according to the shape of the sheet metal and the position of the spot welding, select an appropriate number of positioning square rods 2 and insert them into the corresponding positioning holes 1-1. Rotate the first hand screw 4-5 to make the drive screw 4-4 rotate, which drives the second connecting rod 4-1 to move, which makes the rack 3-7 move, which drives the gear 3-6 to rotate, which makes the rotating shaft 3-5 rotate, which drives the limiting screw 3-4 to rotate. Under the action of the slider 3-2, the limiting insert 3-1 moves and inserts into the positioning square rod 2.

[0065] Rotate turntable 5 to adjust the angle of positioning tube 7, rotate positioning tube 7 to adjust its position so that positioning tube 7 can abut against the sheet metal, rotate No. 2 hand screw 9 to rotate fixing screw 10-1, causing the two internal threaded tubes 10-2 to move relative to each other, so that the rubber pad 10-4 on fixing rod 10-3 abuts against turntable 5, so that turntable 5 can be fixed, thereby completing the positioning.

[0066] Compared with the prior art, the beneficial effects of this utility model are:

[0067] 1. By cooperating with the positioning square rod 2 and the limiting insert rod 3-1, the shape of the sheet metal can be quickly positioned, improving clamping efficiency;

[0068] 2. The structure of gear 3-6 and rack 3-7 transmission and limiting screw 3-4 is adopted to ensure the locking stability of the positioning square rod 2 and prevent displacement during spot welding;

[0069] 3. The combination design of turntable 5 and positioning tube 7 supports multi-angle adjustment to adapt to the spot welding requirements of different sheet metal parts;

[0070] 4. The cooperation between the fixing screw 10-1 and the rubber pad 10-4 ensures the reliable fixation of the turntable 5, preventing loosening during processing and ensuring positioning accuracy.

[0071] For those skilled in the art, modifications can be made to the technical solutions described in the foregoing embodiments, and equivalent substitutions can be made to some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. An adjustable sheet metal spot welding positioning device, comprising an operating table (1); the top of the operating table (1) has a plurality of positioning holes (1-1) arranged in a matrix; characterized in that, It also includes: a positioning rod (2), wherein there are several positioning rods (2) and they are respectively inserted into the positioning holes (1-1); a limiting mechanism (3), wherein the limiting mechanism (3) is located in the operating table (1); a driving mechanism (4), wherein the driving mechanism (4) is connected to the limiting mechanism (3); a turntable (5), wherein there are several turntables (5) and they are respectively arranged in pairs above the positioning rods (2); a connecting screw (6), wherein there are several connecting screws (6) and they are respectively fixed on the annular wall of the turntable (5), and the outer end of the connecting screw (6) is screwed with a positioning tube (7); a connecting shaft (8), wherein there are several connecting shafts (8) and they are respectively fixed on the rods (2), and the connecting shaft (8) is screwed through the two turntables (5) above and below by bearings, and the upper end of the connecting shaft (8) is screwed with a No. 2 hand screw (9) by bearings. The fixing mechanism (10) is a plurality of such fixing mechanisms (10) and is respectively located in the connecting shaft (8).

2. The adjustable sheet metal spot welding positioning device according to claim 1, characterized in that: The limiting mechanism (3) includes: a limiting rod (3-1), wherein there are several limiting rods (3-1), and each is respectively set to correspond one-to-one with the positioning hole (1-1); a slider (3-2) is connected to the bottom of the limiting rod (3-1), and a slide rail (3-3) is slidably provided at the bottom of the slider (3-2), and the slide rail (3-3) is fixed on the inner bottom plate of the operating table (1); a limiting screw (3-4), wherein there are several limiting screws (3-4), and each is threaded through the right end of the limiting rod (3-1); the limiting screw (3-4) is connected to the operating table (1) through a bearing seat; and a rotating shaft (3-5), wherein there are several rotating shafts (3-5), and each is screwed to the inner bottom plate of the operating table (1) through a bearing, and the rotating shaft (3-5) is screwed to the limiting screw (3-4) through a bevel gear pair; Gears (3-6), there are several gears (3-6), and each gear is mounted on a rotating shaft (3-5); racks (3-7), there are several racks (3-7), and each rack is meshed with the left side of a gear (3-6); a connecting rod (3-8) is fixed between the front and rear racks (3-7).

3. The adjustable sheet metal spot welding positioning device according to claim 1, characterized in that: The drive mechanism (4) includes: a second connecting rod (4-1), which is fixed to the front end of several foremost racks (3-7); a third connecting rod (4-2), which is fixed to the rear end of several last racks (3-7); a drive screw (4-4), which is threaded through the second connecting rod (4-1), and the other end of the drive screw (4-4) is threaded through the front side wall of the operating table (1) via a bearing; a first hand screw (4-5) is fixed to the outer end of the drive screw (4-4).

4. The adjustable sheet metal spot welding positioning device according to claim 3, characterized in that: Two limiting rods (4-3) are movably inserted on the third connecting rod (4-2), and the limiting rods (4-3) are fixed on the rear side wall of the operating table (1).

5. The adjustable sheet metal spot welding positioning device according to claim 1, characterized in that: The fixing mechanism (10) includes: a fixing screw (10-1), there are two fixing screws (10-1), and they are respectively located in the connecting shaft (8). The bottom of the fixing screw (10-1) is screwed onto the positioning square rod (2) through a bearing, and the top of the fixing screw (10-1) is fixed to the bottom of the second hand screw (9); the threads of the upper and lower fixing screws (10-1) are arranged oppositely; and an internal threaded tube (10-2), there are two internal threaded tubes (10-2), and they are respectively screwed onto the fixing screw (10-1) through a thread. The fixing rod (10-3) is a number of rods, which are fixed on the internal threaded tube (10-2) in a ring. The fixing rod (10-3) is set in an "L" shape. Several limiting grooves (8-1) are opened on the ring wall of the connecting shaft (8). The fixing rod (10-3) is inserted into the limiting groove (8-1).

6. An adjustable sheet metal spot welding positioning device according to claim 5, characterized in that: A rubber pad (10-4) is fixed to the outer end of the fixing rod (10-3), and the rubber pad (10-4) rests against the turntable (5).

Images