Manual production tool and production method for small-diameter special-shaped springs

Abstract

The small-diameter special-shaped spring manual production tool comprises a base, a limiting block, a positioning block and a bending block, the limiting block is of a trapezoidal structure, the positioning block, the bending block and the base are of a rectangular structure, and one side of the top of the positioning block extends outwards to form a protruding part; through holes allowing the limiting block and the positioning block to be embedded are formed in the base in the length direction, a gap is formed between the two through holes, when the limiting block and the positioning block are embedded into the through holes, the tops of the limiting block and the positioning block protrude out of the through holes, the protruding parts are pressed on the gap, and the side portions of the protruding parts make sliding contact with the lower bottom of the limiting block. The width of the gap is matched with the diameter of a wire rod required for manufacturing the special-shaped spring; through cooperation of the base, the limiting block and the positioning block, limiting and fixing of the wire are achieved, cutting and bending operation is conducted on the wire through the bending block, operation is convenient, and the problems that a spring coiling machine is prone to blockage and damage and low in yield during manufacturing are solved.

Description

Technical Field

[0001] The invention relates to the technical field of spring production, and in particular to a manual production tool and a production method for a small-diameter special-shaped spring. Background Art

[0002] Due to customer demand, the customer customized a U-shaped spring. The spring wire diameter is 0.3mm, the closed end width of the spring is 10.41-10.51mm, the open end width of the spring is 10.31-10.51mm, and the height of the spring is 10.1-10.5mm. At the same time, the closed end width of the spring is greater than or equal to the open end width, and the outer cylindrical surface of the bending part cannot be damaged. Due to the thin wire diameter and high dimensional requirements, it is difficult to produce using a spring winding machine, which is prone to clogging and damage, and has a low yield rate. Summary of the invention

[0003] In order to solve the above technical problems, the present invention provides a manual production tool and production method for small-diameter special-shaped springs. Through the cooperation between the base and the base and the limit block, the positioning block and the bending block, the manual production of the spring is realized to solve the problems of congestion and damage.

[0004] In order to solve the above technical problems, the present invention provides a technical solution: a manual production tool for small-diameter special-shaped springs, including a base, a limit block, a positioning block and a bending block, characterized in that: the limit block is a trapezoidal structure, the positioning block, the bending block and the base are rectangular structures, and one side of the top of the positioning block extends outward to form a protrusion, and a through hole for the limit block and the positioning block to be embedded is provided on the base along the length direction, and a gap is provided between the two through holes, and when the limit block and the positioning block are embedded in the through hole, the top of the limit block and the positioning block protrudes from the through hole, the protrusion is pressed on the gap, and the side of the protrusion is in sliding contact with the bottom of the limit block, and the gap width matches the wire diameter required for making special-shaped springs.

[0005] Furthermore, the width of the base is the same as the length of the wire required to make the special-shaped spring.

[0006] Furthermore, an arc-shaped groove is provided on the side of the bending block, and the diameter of the arc-shaped groove matches the diameter of the wire required for making the special-shaped spring.

[0007] In order to solve the above technical problems, another technical solution provided by the present invention is: a manual production method of a small-diameter special-shaped spring, the steps of which are: embedding a limit block into a corresponding through hole, placing a wire required for making the special-shaped spring at a gap position, embedding a positioning block into the corresponding through hole, and then pressing a protrusion on the wire required for making the special-shaped spring and a side of the protrusion in sliding contact with a lower bottom of the limit block; Press the positioning block from top to bottom to compress the wire required for making special-shaped springs into the gap, and hold the bending block to cooperate with the edge of the base to cut the wire required for making special-shaped springs extending out of the base; The bending block is placed close to one side of the positioning block, and the arc groove on the bending block is against the wire material required for making the special-shaped spring. The bending block is moved from the positioning block to the limit block, and the bending block is close to the positioning block and the limit block to bend the two ends of the wire material required for making the special-shaped spring; Remove the bending block and the pressing force on the positioning block and remove the positioning block to complete the production of the special-shaped spring.

[0008] Furthermore, the process of cutting the wire material required for making the special-shaped spring extending out of the base is as follows: the edge of the bending block abuts and intersects with the edge of the base, the bending block is moved from top to bottom, and the wire material required for making the special-shaped spring is cut through the cutting structure formed by the intersection of the edge of the bending block and the edge of the base.

[0009] The beneficial effects of the present invention are: 1. This application realizes the limiting fixation of the wire through the cooperation between the base, the limit block and the positioning block, and cuts and bends the wire through the bending block. The operation is convenient and solves the problems of easy blockage and damage and low yield of the spring winding machine.

[0010] 2. In this application, the width of the base is the same as the length of the wire required to make the special-shaped spring, so as to achieve fixed cutting of the wire and ensure that the length of the manufactured spring meets the requirements.

[0011] 3. In the present application, the side of the bending block is provided with an arc groove matching the diameter of the wire. When bending, the arc groove is sleeved on the wire, which facilitates bending while preventing damage to the outer cylindrical surface of the bending part.

[0012] In order to make the above and other purposes, features and advantages of the present invention more obvious and easy to understand, preferred embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only six of the drawings of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0014] Figure 1 This is a schematic diagram of the structure of this application.

[0015] Figure 2 It is a schematic diagram of the structure in which the limit block is placed in the through hole.

[0016] Figure 3Schematic diagram of the structure in which the positioning block is placed in the through hole.

[0017] Figure 4 It is a schematic diagram of the structure when the profile is fixed and limited.

[0018] Figure 5 It is a schematic diagram of the structure when the profile is bent.

[0019] Figure 6 It is a schematic diagram of the structure of the spring.

[0020] Figure 7 For this application Figure 1 .

[0021] Figure 8 For this application Figure 2 .

[0022] In the figure, 1-base, 2-limiting block, 3-positioning block, 4-bending block, 5-protrusion, 6-gap, 7-through hole, 8-arc groove; A-spring, B-wire. DETAILED DESCRIPTION

[0023] Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Although certain embodiments of the present invention are shown in the accompanying drawings, it should be understood that the present invention can be implemented in various forms and should not be construed as being limited to the embodiments described herein, which are instead provided for a more thorough and complete understanding of the present invention. It should be understood that the drawings and embodiments of the present invention are only for exemplary purposes and are not intended to limit the scope of protection of the present invention.

[0024] It should be understood that the various steps described in the method embodiments of the present invention may be performed in different orders. In addition, the method embodiments may include additional steps or omit the steps shown. The scope of the present invention is not limited in this respect.

[0025] The names of the messages or information exchanged between multiple devices in the embodiments of the present invention are only used for illustrative purposes, and are not used to limit the scope of these messages or information. Embodiment 1

[0026] like Figure 1-6As shown, a manual production tool for small-diameter special-shaped springs includes a base 1, a limit block 2, a positioning block 3 and a bending block 4, and is characterized in that: the limit block 2 is a trapezoidal structure, the positioning block 3, the bending block 4 and the base 1 are rectangular structures, and the top side of the positioning block 3 extends outward to form a protrusion 5, and a through hole 7 for the limit block 2 and the positioning block 3 to be embedded is provided on the base 1 along the length direction, and a gap 6 is provided between the two through holes 7, and when the limit block 2 and the positioning block 3 are embedded in the through hole 7, the through hole 7 is protruded from the top of the limit block 2 and the positioning block 3, and the protrusion 5 is pressed on the gap 6, and the side of the protrusion 5 is in sliding contact with the bottom of the limit block 2, and the width of the gap 6 is matched with the diameter of the wire B required for making the special-shaped spring; through the cooperation between the base 1, the limit block 2 and the positioning block 3, the limit fixation of the wire B is realized, and the wire B is cut and bent by the bending block 4, which is easy to operate and solves the problems of easy blockage and damage and low yield of the spring winding machine. Embodiment 2

[0027] like Figure 3-4 As shown, this embodiment is obtained by describing in detail the technical features such as the width of the base 1 on the basis of the first embodiment. The remaining technical features are the same as those of the first embodiment, and the similarities are not repeated here. Among them, the difference between this embodiment and the first embodiment is that the width of the base 1 is the same as the length of the wire B required to make the special-shaped spring.

[0028] In this embodiment, the width of the base 1 is the same as the length of the wire B required for making the special-shaped spring, so that the wire B can be cut to a fixed length to ensure that the length of the manufactured spring A meets the requirements. Embodiment 3

[0029] like Figure 1 As shown, this embodiment is obtained by adding technical features such as an arc groove 8 on the basis of the second embodiment. The remaining technical features are the same as those of the second embodiment, and the similarities are not repeated here. Among them, the difference between this embodiment and the second embodiment is that an arc groove 8 is provided on the side of the bending block 4, and the diameter of the arc groove 8 matches the diameter of the wire B required to make the special-shaped spring.

[0030] In this embodiment, the side of the bending block 4 is provided with an arc groove 8 matching the diameter of the wire B. When bending, the arc groove 8 is sleeved on the wire B to facilitate bending while preventing damage to the outer cylindrical surface of the bending part.

[0031] The use process of the overall technical solution formed by the above embodiments is another technical solution disclosed in the present application, which is: a manual production method for a small-diameter special-shaped spring, the steps of which are: placing a base 1 on a support platform, inserting a limit block 2 into a corresponding through hole 7, placing the wire B required for making the special-shaped spring at the position of the gap 6, inserting the positioning block 3 into the corresponding through hole 7, and then pressing the protrusion 5 on the wire B required for making the special-shaped spring and the side of the protrusion 5 slidingly contacting with the bottom of the limit block 2; Press the positioning block 3 downward from top to bottom to compress the wire material B required for making the special-shaped spring into the gap 6, and hold the bending block 4 to cooperate with the edge of the base 1 to cut the wire material B required for making the special-shaped spring extending out of the base 1; The bending block 4 is placed close to one side of the positioning block 3, and the arc groove 8 on the bending block 4 is against the wire material B required for making the special-shaped spring. The bending block 4 is moved from the positioning block 3 to the limiting block 2, and the bending block 4 is close to the positioning block 3 and the limiting block 2 to bend the two ends of the wire material B required for making the special-shaped spring; Remove the bending block 4 and the pressing force on the positioning block 3 and remove the positioning block 3 to complete the production of the special-shaped spring.

[0032] Among them, the process of cutting the wire B required for making special-shaped springs extending out of the base 1 is as follows: the edge of the bending block 4 abuts and intersects with the edge of the base 1, and the bending block 4 is moved from top to bottom. The wire B required for making special-shaped springs is cut through the cutting structure formed by the intersection of the edge of the bending block 4 and the edge of the base 1.

[0033] Note that the above are only preferred embodiments of the present invention and the technical principles used. Those skilled in the art will understand that the present invention is not limited to the specific embodiments herein, and that various obvious changes, readjustments and substitutions can be made by those skilled in the art without departing from the scope of protection of the present invention. Therefore, although the present invention has been described in more detail through the above embodiments, the present invention is not limited to the above embodiments, and may include more other equivalent embodiments without departing from the concept of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. A manual production tool for small-diameter special-shaped springs, comprising a base, a limit block, a positioning block and a bending block, characterized in that: The limit block is a trapezoidal structure, the positioning block, the bending block and the base are rectangular structures, and one side of the top of the positioning block extends outward to form a protrusion, and a through hole for the limit block and the positioning block to be embedded is provided on the base along the length direction, and a gap is provided between the two through holes, and when the limit block and the positioning block are embedded in the through hole, the top of the limit block and the positioning block protrudes from the through hole, the protrusion is pressed on the gap, and the side of the protrusion is in sliding contact with the bottom of the limit block, and the gap width matches the wire diameter required for making special-shaped springs.

2. According to claim 1, a manual production tool for small-diameter special-shaped springs is characterized by: The width of the base is the same as the length of the wire required to make the special-shaped spring.

3. According to claim 1, a manual production tool for small-diameter special-shaped springs is characterized by: The side surface of the bending block is provided with an arc groove, and the diameter of the arc groove matches the wire diameter required for making the special-shaped spring.

4. A manual production method for a small-diameter special-shaped spring, the steps of which are: inserting a stop block into a corresponding through hole, placing a wire material required for making the special-shaped spring at a gap position, inserting a positioning block into the corresponding through hole, and then pressing a protrusion on the wire material required for making the special-shaped spring and making a side of the protrusion in sliding contact with a lower bottom of the stop block; Press the positioning block from top to bottom to compress the wire required for making special-shaped springs into the gap, and hold the bending block to cooperate with the edge of the base to cut the wire required for making special-shaped springs extending out of the base; The bending block is placed close to one side of the positioning block, and the arc groove on the bending block is against the wire material required for making the special-shaped spring. The bending block is moved from the positioning block to the limit block, and the bending block is close to the positioning block and the limit block to bend the two ends of the wire material required for making the special-shaped spring; Remove the bending block and the pressing force on the positioning block and remove the positioning block to complete the production of the special-shaped spring.

5. A manual production method for small-diameter special-shaped springs according to claim 4, characterized in that: The process of cutting the wire material required for making the special-shaped spring extending out of the base is as follows: the edge of the bending block abuts and intersects with the edge of the base, the bending block is moved from top to bottom, and the wire material required for making the special-shaped spring is cut through the cutting structure formed by the intersection of the edge of the bending block and the edge of the base.

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