Electric energy meter terminal base welding tool for automatic line body

Abstract

The utility model discloses an electric energy meter terminal seat welding tool for an automatic line body, which comprises a buffer tray assembly and a welding clamp assembly, the buffer tray assembly comprises a buffer tray assembly substrate, a shaft sleeve, a buffer rod, a connecting block, a first bottom plate, a second bottom plate and a buffer spring; the welding clamp assembly comprises a first terminal base tray, a second terminal base tray, a first relay limiting block, a second relay limiting block, a third relay limiting block, a first mutual inductor limiting block, a second mutual inductor limiting block, a third mutual inductor limiting block and a reset spring. The utility model has the beneficial effects that the electric energy meter terminal seat, the relay and the mutual inductor can be quickly positioned, and the device is provided with an adjustable mechanism and is compatible with various types of terminal seats. The electric energy meter terminal base welding device is used in cooperation with an automatic circulation conveying line body, rapid, stable and high-quality welding of an electric energy meter terminal base is achieved, the working efficiency is improved, and the safety risk of operators in the welding process is reduced.

Description

Technical Field

[0001] The utility model relates to the field of electric energy meter production equipment, in particular to an electric energy meter terminal seat welding tool used for an automated production line. Background Art

[0002] The electric energy meter is an electric energy metering instrument. The terminal block is an important part of the electric energy meter, which is used to connect the internal circuit and external wires of the electric energy meter. In the production process of electric energy meters, due to the complex structure of the electric energy meter terminal block and the poor versatility of welding equipment, the traditional manual welding method is difficult to ensure the welding quality, and the welding speed is limited by the technical level of the operator. For enterprises that mass-produce electric energy meters, the production cost will increase, and there are certain safety hazards in the manual welding process. Utility Model Content

[0003] The utility model aims to overcome the shortcomings and deficiencies of the prior art and provides a welding tool for an electric energy meter terminal seat used in an automated production line.

[0004] The technical solution adopted by the utility model to achieve its technical purpose is: a welding tool for an electric energy meter terminal seat for an automated production line, comprising a buffer tray assembly and a welding fixture assembly, wherein the welding fixture assembly is fixed to the buffer tray by screws.

[0005] The buffer tray assembly includes a buffer tray assembly base plate, a shaft sleeve, a buffer rod, a connecting block, a first bottom plate, a second bottom plate, and a buffer spring;

[0006] The first bottom plate, the second bottom plate and the connecting block are assembled together by screws, the buffer rod is fixed to the first bottom plate and the second bottom plate by screws, and the buffer spring is sleeved on the buffer rod; the sleeve is arranged on the base plate, the base plate is connected to the buffer rod, and the top end of the buffer rod is locked by a retaining spring, and the base plate can float up and down along the buffer rod;

[0007] The welding fixture assembly includes a first terminal base tray, a second terminal base tray, a first relay limit block, a second relay limit block, a third relay limit block, a first transformer limit block, a second transformer limit block, a third transformer limit block, a reset spring, an auxiliary handle, a sliding guide rail, an auxiliary positioning ejector pin, an adjustment screw, a locking nut, a guide column, a locking bolt, and a positioning bolt;

[0008] The first terminal seat tray and the second terminal seat tray are positioned by guide pillars, connected together by adjusting screws, and locked and fixed by locking nuts; the first relay limit block, the second relay limit block, and the third relay limit block are fastened to the second terminal seat tray by screws;

[0009] The sliding guide rail is fixed on the second terminal block tray by screws. The first current transformer limiting block is fixed on the sliding seat of the sliding guide rail by screws. The second current transformer limiting block is fixed on the first current transformer limiting block by screws. The return spring, the second current transformer limiting block and the second terminal block tray are connected and assembled by a locking bolt. The positioning bolt is arranged on the second current transformer limiting block. The auxiliary handle fixes the third current transformer limiting block on the second current transformer limiting block, and the third current transformer limiting block can reciprocate. The auxiliary positioning ejector pin is arranged on the first terminal block tray.

[0010] Preferably, the first bottom plate and the second bottom plate are symmetrical to each other.

[0011] Preferably, the connecting blocks include two groups that are symmetrical front and back.

[0012] Preferably, the connecting block is in the shape of a "Ji" character.

[0013] Preferably, the bushing, the buffer rod and the buffer spring each include four groups and are evenly distributed at the four corners of the welding fixture assembly.

[0014] The beneficial effects of the present utility model are as follows: The present utility model provides a welding tooling for an electric energy meter terminal block, which can quickly position the electric energy meter terminal block, the relay and the current transformer, has an adjustable mechanism, and is compatible with terminal blocks of multiple models. When used in cooperation with an automated transfer and conveying line body, it can achieve fast, stable and high-quality welding of the electric energy meter terminal block, improve work efficiency, and reduce the safety risks of operators during the welding process. Description of the Drawings

[0015] Figure 1 is a three-dimensional structural schematic diagram of an embodiment of the present utility model;

[0016] Figure 2 is a three-dimensional structural schematic diagram of the buffer tray assembly of the present utility model;

[0017] Figure 3 is a three-dimensional structural schematic diagram of the welding fixture assembly of the present utility model;

[0018] Figure 4 is a three-dimensional structural schematic diagram of the clamping state of an embodiment of the present utility model;

[0019] Figure 5 is a top view detail diagram of the clamping state of an embodiment of the present utility model.

[0020] The markings in the figure are: 1. Buffer tray assembly; 2. Welding fixture assembly; 11. Buffer tray assembly base plate; 12. Bushing; 13. Buffer rod; 14. Connecting block; 15. First bottom plate; 16. Second bottom plate;

[0021] 17. Buffer spring; 21. First terminal seat tray; 22. Second terminal seat tray;

[0022] 23. The first relay limit block; 24. The second relay limit block; 25. The third relay limit block;

[0023] 26. The first transformer limit block; 27. The second transformer limit block; 28. The third transformer limit block;

[0024] 29. Reset spring; 210. Auxiliary handle; 211. Sliding guide rail; 212. Auxiliary positioning ejector pin;

[0025] 213. Adjusting screw; 214. Locking nut; 215. Guide column; 216. Locking bolt; 217. Positioning bolt. DETAILED DESCRIPTION

[0026] The following are embodiments and drawings to further illustrate the present invention.

[0027] Embodiment 1

[0028] like Figure 1-5 As shown: a welding tool for an electric energy meter terminal block for an automated production line, comprising a buffer tray assembly 1 and a welding fixture assembly 2, wherein the welding fixture assembly 2 is fixed to the surface of the buffer tray 1 by screw tightening;

[0029] The buffer tray assembly 1 includes a buffer tray assembly base plate 11, a shaft sleeve 12, a buffer rod 13, a connecting block 14, a first bottom plate 15, a second bottom plate 16, and a buffer spring 17;

[0030] The first bottom plate 15, the second bottom plate 16, and the connecting block 14 are assembled together by screws, the buffer rod 13 is fixed to the first bottom plate 15 and the second bottom plate 16 by screws, and the buffer spring 17 is sleeved on the buffer rod 13; after the shaft sleeve 12 is installed on the base plate 11, the whole is installed on the buffer rod 13, and the top of the buffer rod 13 is locked by a retaining spring. When the load is increased, the base plate 11 can float up and down along the buffer rod 13, and after the load is unloaded, it returns to its original position by the buffer spring 13;

[0031] The welding fixture assembly 2 includes a first terminal base tray 21, a second terminal base tray 22, a first relay limit block 23, a second relay limit block 24, a third relay limit block 25, a first transformer limit block 26, a second transformer limit block 27, a third transformer limit block 28, a reset spring 29, an auxiliary handle 210, a sliding guide rail 211, an auxiliary positioning ejector pin 212, an adjustment screw 213, a locking nut 214, a guide column 215, a locking bolt 216, and a positioning bolt 217;

[0032] After the first terminal seat tray 21 and the second terminal seat tray 22 are positioned by the guide column 215, they are connected together by adjusting the screw rod 213, and after being adjusted to the appropriate position, they are locked and fixed with the locking nut 214; the first relay limit block 23, the second relay limit block 24, and the third relay limit block 25 are fastened to the second terminal seat tray 22 by screws; the sliding guide rail 211 is fixed to the second terminal seat tray 22 by screws, and the first transformer limit block 26 is fixed to the slide seat of the sliding guide rail 211 by screws, and then the second transformer The limit block 27 is fixed on the first transformer limit block 26 with screws, and the reset spring 29, the second transformer limit block 27 and the second terminal seat tray 22 are connected and assembled together with the locking bolt 216, and then the positioning bolt 217 is installed on the second transformer limit block 27; the auxiliary handle 210 fixes the third transformer limit block 28 on the second transformer limit block 27, and the third transformer limit block 28 can reciprocate; the auxiliary positioning pin 212 is installed on the first terminal seat tray 21, and the positioning is adjusted according to the shape of the electric energy meter terminal seat.

[0033] The working principle and working process of the utility model are as follows:

[0034] The utility model is used in conjunction with an automated flow conveyor line body. The utility model is placed on the flow conveyor line body. At the product installation position, the electric energy meter terminal seat 31 is first placed in the welding fixture assembly 2, and positioned by the auxiliary positioning ejector pin 212; then the relay 32 is placed in the welding fixture assembly 2; finally, the auxiliary handle 210 and related connection components on the welding fixture assembly 2 are opened to a certain space, and after the mutual inductor 33 is placed in the positioning groove, the auxiliary handle 210 is released, so that the slot of the third mutual inductor limit block 28 positions the upper needle piece of the mutual inductor 33;

[0035] After completing the above work, the utility model automatically circulates at each workstation on the automated flow conveyor line, automatically completes the subsequent welding work of the electric energy meter terminal block, performs high-precision positioning, improves welding quality, and reduces safety risks for operators during the welding process.

[0036] The utility model is used in conjunction with an automated flow conveyor line to quickly locate the terminal blocks, relays and transformers of electric energy meters. After the product structures of the terminal blocks, relays and transformers of electric energy meters are optimized in the later stage, the welding tooling of the terminal blocks of electric energy meters of the utility model can cooperate with a robot to automatically install the terminal blocks, relays and transformers of electric energy meters, thereby realizing unmanned production.

[0037] The buffer tray assembly 1 and the base plate 11 are movable modules. When the load is increased, they can float up and down along the buffer rod 13. After the load is removed, they return to their original position by the buffer spring 13. The transformer limit block part of the welding fixture assembly 2 is a movable module. The first transformer limit block 26 is fixed on the slide seat of the sliding guide rail 211 with screws, and then the second transformer limit block 27 is fixed on the first transformer limit block 26 with screws. The reset spring 29, the second transformer limit block 27 and the second terminal seat tray 22 are connected and assembled together with the locking bolt 216, and then the positioning bolt 217 is installed on the second transformer limit block 27. The auxiliary handle 210 fixes the third transformer limit block 28 on the second transformer limit block 27, and the third transformer limit block 28 can reciprocate.

Claims

1. A welding tooling for the terminal block of an electric energy meter used in an automated production line, comprising a buffer tray assembly and a welding fixture assembly. The welding fixture assembly is fixed to the buffer tray by screws. It is characterized in that: The buffer tray assembly includes a buffer tray assembly substrate, a bushing, a buffer rod, a connecting block, a first bottom plate, a second bottom plate, and a buffer spring; The first bottom plate, the second bottom plate, and the connecting block are combined together by screws. The buffer rod is fixed to the first bottom plate and the second bottom plate by screws. The buffer spring is sleeved on the buffer rod. The bushing is arranged on the substrate, and the substrate is connected to the buffer rod and locked at the top of the buffer rod with a circlip. The substrate can float up and down along the buffer rod; The welding fixture assembly includes a first terminal block tray, a second terminal block tray, a first relay limit block, a second relay limit block, a third relay limit block, a first current transformer limit block, a second current transformer limit block, a third current transformer limit block, a return spring, an auxiliary handle, a sliding guide rail, an auxiliary positioning thimble, an adjustment screw, a locking nut, a guide post, a locking bolt, and a positioning bolt; The first terminal block tray and the second terminal block tray are positioned by guide posts, then connected together by an adjustment screw, and locked and fixed by the locking nut. The first relay limit block, the second relay limit block, and the third relay limit block are fastened to the second terminal block tray by screws; The sliding guide rail is fixed to the second terminal block tray by screws. The first current transformer limit block is fixed to the slide seat of the sliding guide rail by screws. The second current transformer limit block is fixed to the first current transformer limit block by screws. The return spring, the second current transformer limit block, and the second terminal block tray are connected and assembled by a locking bolt. The positioning bolt is arranged on the second current transformer limit block. The auxiliary handle fixes the third current transformer limit block to the second current transformer limit block, and the third current transformer limit block can reciprocate. The auxiliary positioning thimble is arranged on the first terminal block tray.

2. The electric energy meter terminal seat welding tool for an automated production line according to claim 1, characterized in that: The first bottom plate and the second bottom plate are symmetrical to each other.

3. The electric energy meter terminal seat welding tool for an automated production line according to claim 1, characterized in that: The connecting block includes two groups that are symmetrical front and back.

4. The electric energy meter terminal seat welding tool for an automated production line according to claim 3 is characterized in that: The shape of the connecting block is "L".

5. The welding tool for electric energy meter terminal block for automated production line according to claim 1, characterized in that: The bushing, the buffer rod, and the buffer spring each include four groups and are evenly distributed at the four corners of the welding fixture assembly.

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