Contact finger spring forming tool for power equipment

Abstract

The utility model discloses a contact finger spring forming tool for power equipment, which is characterized in that laser equipment is assisted to weld two ends of a spring together to form a circular ring, the upper end face of the forming tool is provided with a runway-shaped spring placing groove through NC milling groove processing, the forming tool is divided into a fixed seat, an adjusting block and a fixed plate, the spring containing groove is divided into two parts through the divided fixing base and the adjusting block, the fixing base and the fixing plate are fastened through bolts, an open groove for containing the adjusting block is machined in the side, close to the fixing plate, of the fixing base, adjusting grooves are dug in the two sides of the upper end of the adjusting block, and adjusting devices are arranged on the two sides of the upper end of the adjusting block. Two ends of the spring are welded together by assisting laser equipment to form a circular ring, so that effective connection can be ensured when the spring is impacted and vibrated.

Description

TECHNICAL FIELD

[0001] The utility model relates to hardware processing auxiliary instrument especially relates to a contact finger spring forming frock for power equipment. BACKGROUND

[0002] The contact finger spring belongs to a kind of inclined coil spring, and the conventional spring coiling equipment is driven by the rotation of variable-diameter cam piece relying on X-axis to realize the change of spring outer diameter, so as to form inclined coil, but two-axis spring coiling machine only one motor is used to drive the operation of inclined coil forming and pitch cutter, since the operation time cannot be independently carried out, the pitch of contact finger spring joint is usually inconsistent with the pitch of spring body.

[0003] On the structure of contact finger spring, the spring body is different from conventional cylindrical helical compression spring, and is designed into oval cross section, and each coil has a certain angle of inclination, and the structure needs spring machine to use two needles to repeat displacement when coiling to make spring coil travel oval, and the difference of outer diameter between coil and coil will form an inclined surface by repeated disc machine.

[0004] Now, a frock is urgently needed to assist laser equipment to weld the two ends of spring together to form a ring, which can ensure effective connection under impact and vibration. CONTENT OF THE UTILITY MODEL

[0005] In view of the above problems, the utility model provides a contact finger spring forming frock for power equipment, which can quickly fix the spring and facilitate the quick positioning and welding of laser equipment.

[0006] To solve the above technical problems, the utility model adopts the following technical scheme: a contact finger spring forming frock for power equipment, which assists laser equipment to weld the two ends of spring together to form a ring.

[0007] The upper end face of the forming frock is processed with a runway-type spring placing groove by NC milling slot;

[0008] The forming frock is divided into a fixed seat, an adjusting block and a fixed plate, the fixed seat and the adjusting block divide the spring placing groove into two parts, a plurality of groups of drill holes and taps are arranged on the side surface of the fixed seat close to the fixed plate, the fixed plate is drilled at the corresponding position, the fixed plate and the fixed seat are tightened by fastening bolts, the fixed seat and the fixed plate are fixed together to form the shape of middle groove, and the adjusting block is placed in the groove.

[0009] The open slot for placing the adjusting block is processed on the side of the fixing base close to the fixing plate, the adjusting slots are dug on the both sides of the upper end of the adjusting block, and the adjusting device is arranged, the adjusting device comprises a positioning bolt and an adjusting spring, the positioning bolt is locked after sequentially penetrating through the fixing plate, the adjusting block, the adjusting spring and the fixing base through the penetrating hole, so that the forming tool forms an integral whole, and the spring is conveniently placed for welding.

[0010] Further, the forming tool is processed with the penetrating hole, and the penetrating hole passes through the adjusting slot.

[0011] Further, the buffer space is reserved between the adjusting block and the fixing plate, the adjusting hole is processed on the fixing plate, the adjusting bolt is screwed in the adjusting hole, the adjusting bolt is on the side of the adjusting block, the gap is adjusted through the adjusting spring and the adjusting bolt, different lengths of springs are conveniently applied, and the welding direction and position of the adjusting spring are adjusted.

[0012] The adjusting block is processed with the welding slot, the welding slot is communicated with the spring placing slot, and the space for welding is provided. As known from the above description of the structure of the utility model, compared with the prior art, the utility model has the following advantages: the spring to be welded can be conveniently and quickly installed, and the position and direction can be adjusted. BRIEF DESCRIPTION OF DRAWINGS

[0013] The drawings constituting a part of the present application are used to provide further understanding of the utility model, the illustrative embodiments of the utility model and the description thereof are used to explain the utility model, and do not constitute improper limitation on the utility model. In the drawings:

[0014] Figure 1 It is a structural schematic view of the utility model;

[0015] Figure 2 It is a structural schematic view of the fixing base of the utility model;

[0016] Figure 3 It is a structural schematic view of the adjusting block of the utility model. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further described in detail below by combining with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model.

[0018] EMBODIMENT

[0019] REFERENCE Figure 1 、 Figure 2 and Figure 3The utility model relates to a kind of contact finger spring forming tool for electric power equipment, auxiliary laser equipment is welded together in both ends of spring, forms a circular ring, runway type spring placing groove 1 is processed on the upper end face of forming tool by NC milling slot, forming tool is divided into fixed seat 2, adjusting block 3 and fixed plate 4, the spring placing groove 1 is divided into two by the fixed seat 2 and adjusting block 3 of division, fixed seat 2 and fixed plate 4 are fastened by fastening bolt 5, fixed seat is processed with the open slot 6 of adjusting block on the side close to fixed plate, adjusting groove 7 is dug in the upper end of adjusting block, and adjusting device is equipped.

[0020] Fixed seat is equipped with several groups of drilling and tapping on the side close to fixed plate, fixed plate is drilled in corresponding position, and fixed plate and fixed seat are tightened by fastening bolt 5.

[0021] Forming tool is processed with through hole 8, through hole passes through adjusting groove 7.

[0022] Adjusting device includes positioning bolt 9 and adjusting spring 10, positioning bolt 9 is locked after passing through fixed plate 4, adjusting block 3, adjusting spring 10 and fixed seat 2 in sequence by through hole.

[0023] Buffer space 11 is reserved between adjusting block and fixed plate, adjusting hole is processed on fixed plate, adjusting bolt 12 is screwed in adjusting hole and is on the side surface of adjusting block by drilling and tapping, and the gap is adjusted by adjusting spring 10 and adjusting bolt 12.

[0024] Adjusting block is processed with welding groove 13, and welding groove 13 is communicated with spring placing groove 1.

[0025] When using, fixed seat 2 is placed, positioning bolt 9 is locked after passing through fixed plate 4, adjusting block 3, adjusting spring 10 and fixed seat 2 in sequence by through hole 8, so that fixed seat 2, adjusting block 3 and fixed plate 4 are connected together.

[0026] Fastening bolt is tightened, at this time, fixed plate 4 and fixed seat 2 are fastened, and adjusting block 3 is surrounded in the middle.

[0027] Workpiece to be welded is placed in spring placing groove 1, the position of adjusting block 3 is adjusted by adjusting bolt 12 and adjusting spring 10, so that workpiece is in correct direction and welding interface is in welding groove 13, convenient for welding.

Claims

1. A tooling for forming a finger spring for power equipment, using an auxiliary laser device to weld the two ends of the spring together to form a ring, characterized in that: The upper end face of the forming tool is processed with runway type spring placing groove (1) by NC milling groove, the forming tool is divided into fixed seat (2), adjusting block (3) and fixed plate (4), the divided fixed seat (2) and adjusting block (3) divide spring placing groove (1) into two parts, the fixed seat (2) and fixed plate (4) are fastened by fastening bolt (5), the fixed seat is processed with open groove (6) for placing adjusting block on the side close to the fixed plate, adjusting groove (7) is dug on the upper end of the adjusting block, and adjusting device is arranged.

2. The contact finger spring forming tooling for power equipment of claim 1, wherein: A plurality of groups of drilling and tapping are arranged on the side of the fixed seat close to the fixed plate, the fixed plate is drilled at the corresponding position, and the fixed plate and the fixed seat are tightened and fastened by the fastening bolt (5).

3. The contact finger spring forming tooling for power equipment of claim 1, wherein: The forming tool is processed with through hole (8), and the through hole passes through adjusting groove (7).

4. The contact finger spring forming tooling for power equipment of claim 1, wherein: The adjusting device comprises positioning bolt (9) and adjusting spring (10), the positioning bolt (9) is locked after sequentially penetrating through the fixed plate (4), the adjusting block (3), the adjusting spring (10) and the fixed seat (2) through the through hole.

5. The contact finger spring forming tooling for power equipment of claim 4, wherein: Buffer space (11) is reserved between the adjusting block and the fixed plate, adjusting hole is processed on the fixed plate, adjusting bolt (12) is screwed and rotated on the adjusting hole, the adjusting bolt (12) is on the side surface of the adjusting block, and the gap is adjusted by the adjusting spring (10) and the adjusting bolt (12).

6. The contact finger spring forming tooling for power equipment of claim 4, wherein: The adjusting block is processed with welding groove (13), and the welding groove (13) is communicated with the spring placing groove (1).

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