A spring pitch shaping device

Abstract

The present invention relates to the field of spring processing technology, and in particular to a spring pitch shaping device, comprising an operating table, two support plates are provided on the top of the operating table, a plurality of pitch adjusting wheels for adjusting the pitch of the spring are provided between the two support plates, an adjusting device for driving the plurality of pitch adjusting wheels to adjust the spacing between the two support plates is provided between the two support plates, and a power device for driving the adjusting device to move back and forth is also provided at one end of the support plate; the present invention enables the spacing of the plurality of pitch adjusting wheels to be adjusted simultaneously through the coordination of structures such as the adjusting device, the power device, the sliding mechanism and the swinging mechanism, so that multiple pitches of a spring can be adjusted simultaneously, which not only saves time and cost, but also ensures the uniformity and consistency of the multiple pitches, prevents the sizes of adjacent pitches from changing, improves the performance of the spring, and increases product precision.

Description

Technical Field

[0001] The invention relates to the technical field of spring processing, in particular to a spring pitch shaping device. Background Art

[0002] The spring pitch shaping device is one of the core components. Its shape and size match the appearance of the spring. There is a cavity or raised part on the spring pitch shaping device specifically for adjusting the pitch. When the spring is placed in the mold and pressure is applied, the spring pitch shaping device will squeeze or stretch the adjacent coils of the spring, thereby changing the pitch.

[0003] The existing spring pitch shaping device uses the design of a conical pitch adjusting wheel so that the deeper the pitch adjusting wheel is inserted into the gap of the spring, the wider the spring pitch will be. However, when adjusting the spring through a single pitch adjusting wheel, the operation can only be performed one pitch at a time, which will consume a lot of time and cost, and cannot take into account the uniformity and consistency of multiple pitches, resulting in changes in the size of adjacent pitches, which in turn causes the spring performance to become unstable and the product accuracy to decrease. Therefore, we propose a spring pitch shaping device. Summary of the Invention

[0004] In order to overcome the deficiencies of the prior art, the present invention provides a spring pitch shaping device.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0006] A spring pitch shaping device, comprising:

[0007] An operating table, wherein two support plates are provided on the top of the operating table, and a plurality of pitch adjustment wheels for adjusting the pitch of the spring are provided between the two support plates;

[0008] An adjusting device for driving the spacing of the plurality of pitch adjusting wheels to adjust the spacing is provided between the two support plates, and a power device for driving the adjusting device to reciprocate is further provided at one end of the support plate. The power device provides power to the adjusting device, so that the adjusting device drives the plurality of pitch adjusting wheels to move, so that the spacing of the plurality of pitch adjusting wheels becomes larger or smaller, thereby processing the spring that needs pitch adjustment by adjusting the distance of the plurality of pitch adjusting wheels;

[0009] The adjusting device includes a driving rod rotatably mounted between the two support plates and two support arms fixed on the top of the two support plates, a connecting shaft is also fixed to the middle of the driving rod, and a fixing frame is fixed to one end of the two support arms away from the support plates, and a plurality of sliding mechanisms for driving the pitch adjusting wheels to move are provided on the fixing frame. The driving rod drives the plurality of sliding mechanisms to move, so that the plurality of sliding mechanisms drive the plurality of pitch adjusting wheels to move, so that the spacing between the plurality of pitch adjusting wheels becomes larger or smaller;

[0010] The power device includes a height plate fixed on one of the support plates, a fixed seat is fixed on the end of the height plate away from the support plate, a motor is fixed on the top of the fixed seat, and a swing mechanism is provided between the motor and the drive rod. The motor provides power to the swing mechanism, so that the swing mechanism drives the drive rod to rotate back and forth, and then drives several of the sliding mechanisms through the drive rod to drive the pitch adjusting wheels to move, thereby adjusting the spacing between the several pitch adjusting wheels.

[0011] As a preferred technical solution of the present invention, the sliding mechanism includes a sliding frame slidably mounted on a fixed frame, a connecting rod is provided on the top side of the sliding frame, and the middle part of the sliding frame is fixed to one end of the pitch adjusting wheel, a transmission ball is fixed to the bottom of the connecting rod, and a plurality of sliding grooves are provided on the driving rod for driving the pitch adjusting wheel to move, and the bottom of the transmission ball is inserted in the sliding groove, and the length of the sliding groove becomes longer from the inside to the outside. By rotating the driving rod, the transmission ball cooperates with the sliding groove, so that the transmission ball drives the connecting rod to move, and the connecting rod drives the sliding frame to move along the outer wall of the fixed frame, so that the fixed frame drives the pitch adjusting wheel to move, thereby adjusting the spacing of the pitch adjusting wheels.

[0012] As a preferred technical solution of the present invention, two wear-resistant rings are fixed on the top and bottom of the sliding frame, and two fixing sleeves are fixed on one end of the two support arms away from the support plate. The two fixing sleeves are fixed at both ends of the fixing frame, and the wear-resistant ring sleeves are arranged on the outer wall of the fixing frame. The end of the connecting rod away from the transmission ball is fixed to one of the wear-resistant rings. The two wear-resistant rings are driven to move by the sliding frame, so that the two wear-resistant rings slide along the outer wall of the fixing frame, thereby reducing the wear of the sliding frame and the fixing frame, and increasing the service life of the fixing frame and the sliding frame. The wear-resistant rings are usually made of wear-resistant material and can withstand long-term sliding friction, effectively protecting the surface of the sliding frame and the fixing frame, reducing the equipment failure rate caused by wear, and improving the overall reliability and stability of the equipment, ensuring the continuity and efficiency of production, and the stable movement performance also reduces the downtime and maintenance workload caused by equipment failure, further improving the economy and practicality of the equipment.

[0013] As a preferred technical solution of the present invention, the swing mechanism includes a pressure rod fixed on the height plate and a sub-gear fixed on the connecting shaft, a mounting sleeve is fixed on the top of the pressure rod, a transmission shaft is provided in the middle of the mounting sleeve, and a main gear meshing with the sub-gear is provided at one end of the transmission shaft, and a driving mechanism is provided between the transmission shaft and the motor. The transmission shaft is driven by the motor to rotate, so that the transmission shaft drives the main gear to rotate, and the main gear drives the sub-gear meshing with it, and the sub-gear drives the connecting shaft to rotate, so that the connecting shaft drives the driving rod to rotate.

[0014] The transmission gear is connected with the transmission gear at the bottom end by the spring, and the transmission gear is connected with the pinion gear at the bottom end by the spring, so that the transmission gear can be connected with the pinion gear at the bottom end by the spring.

[0015] As a preferred technical solution of the present invention, a through groove is provided in the middle of the sliding frame, and a plurality of reinforcing rods are fixed inside the through groove. The through groove provided in the middle of the sliding frame is used to reduce the weight of the sliding frame, and the reinforcing rods are used to increase the supporting force of the sliding frame, so that the sliding frame drives the wear-resistant ring to slide quickly on the fixed frame, thereby reducing the total weight of the sliding frame and reducing costs.

[0016] As a preferred technical solution of the present invention, a power rod is arranged between the two support plates, and two base plates are fixed in the middle of the operating table, a threaded portion is provided at one end of the power rod, and a threaded hole matching the threaded portion is provided on the support plate. An adjusting button is also fixed in the middle of the power rod, and the power rod is movably mounted on the two base plates. By rotating the adjusting button, the power rod is driven to rotate, so that the power rod drives the threaded portion to rotate, so that the threaded portion cooperates with the threaded hole, so that the power rod drives the support plate to move, so that the support plate drives the driving rod to move, and the driving rod drives the pitch adjusting wheel to move, so that the pitch of the spring can be further adjusted.

[0017] As a preferred technical solution of the present invention, a card block is fixed at the bottom of the support plate, and a card slot adapted to the card block is provided on the top of the operating table. The card block is inserted into the card slot, and the card block is limited by the card slot to prevent the support plate from shifting during movement, causing the device to be unable to be used normally.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] 1. Through the coordination of the adjustment device, power device, sliding mechanism and swing mechanism, the spacing of several pitch adjustment wheels can be adjusted at the same time, so that multiple pitches of a spring can be adjusted at the same time, which not only saves time and cost, but also ensures the uniformity and consistency of multiple pitches, prevents the size of adjacent pitches from changing, improves the performance of the spring, and increases product precision.

[0020] 2. By arranging two wear-resistant rings on the outer wall of the fixed frame, the two sliding frames drive the two wear-resistant rings to move along the outer wall of the fixed frame, thereby effectively reducing the direct friction between the sliding frames and the fixed frame, thereby significantly reducing the degree of wear, helping to increase the service life of the fixed frame and the sliding frame, reducing the equipment failure rate and maintenance costs caused by wear, and also improving the operating stability and reliability of the equipment, ensuring the continuity and efficiency of the production process.

[0021] 3. By carefully setting a through groove in the middle of the sliding frame, the weight of the sliding frame can be effectively reduced. With the reinforcement of the reinforcing rod, the supporting capacity of the sliding frame is significantly enhanced, so that it can more stably drive the wear-resistant ring to slide quickly and smoothly on the fixed frame, reducing material costs and improving the movement speed and flexibility of the sliding frame to a certain extent, thereby improving the operating efficiency of the entire equipment.

[0022] 4. Through the coordination of the support plate, adjustment button and bottom plate, not only can the support plate be effectively prevented from deflecting during movement, but also the situation in which the entire device cannot operate normally due to the deflection of the support plate can be avoided, thereby ensuring the stability and reliability of the device and making more precise and detailed adjustments to the spring pitch. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic structural diagram of the present invention as a whole;

[0024] Figure 2 It is a structural schematic diagram of the regulating device of the present invention;

[0025] Figure 3 It is a structural schematic diagram of the power device of the present invention;

[0026] Figure 4 It is a structural schematic diagram of the fixing frame of the present invention;

[0027] Figure 5 It is a structural schematic diagram of the sliding frame of the present invention;

[0028] Figure 6 Schematic diagram of the structure of the wear-resistant ring of the present invention;

[0029] Figure 7 Schematic diagram of the structure of the connecting rod of the present invention;

[0030] Figure 8 This is a schematic structural diagram of the connecting shaft of the present invention;

[0031] Figure 9 Schematic diagram of the structure of the driving rod of the present invention;

[0032] Figure 10 It is a structural schematic diagram of the height plate of the present invention;

[0033] Figure 11 It is a structural schematic diagram of the swing plate of the present invention;

[0034] Figure 12 It is a structural schematic diagram of the power rod of the present invention.

[0035] Among them: 1. Operating table; 2. Support plate; 3. Pitch adjusting wheel; 4. Adjusting device; 5. Power device; 6. Power rod; 7. Bottom plate; 8. Adjusting button; 401. Drive rod; 402. Support arm; 403. Fixed frame; 404. Sliding frame; 405. Connecting rod; 406. Transmission ball; 407. Wear-resistant ring; 408. Connecting shaft; 501. Height plate; 502. Fixed seat; 503. Motor; 504. Transmission rod; 505. Pulley; 506. Swing plate; 507. Pressure rod; 508. Mounting sleeve; 509. Transmission shaft; 510. Main gear; 511. Sub gear. DETAILED DESCRIPTION

[0036] In order to make the technical means, creative features, purpose and efficacy of the present invention easy to understand, the present invention is further described below in conjunction with specific examples, but the following examples are only preferred embodiments of the present invention, not all. Based on the examples in the embodiments, other embodiments obtained by those skilled in the art without making creative work are within the scope of protection of the present invention. The experimental methods in the following examples, unless otherwise specified, are conventional methods, and the materials, reagents, etc. used in the following examples, unless otherwise specified, can be obtained from commercial channels.

[0037] Embodiment: The present invention provides Figure 1 A spring pitch shaping device is shown, comprising:

[0038] An operating platform 1 is provided with two support plates 2 on the top of the operating platform 1 , and a plurality of pitch adjustment wheels 3 for adjusting the pitch of the spring are provided between the two support plates 2 .

[0039] As can be seen from the above, when in use, the spring that needs to be pitch processed is placed on the operating table 1, and the several pitch adjustment wheels 3 on the support plate 2 are inserted into the interior of the spring, and the pitch of the spring is adjusted by the pitch adjustment wheels 3.

[0040] refer to Figures 1-12 As shown, an adjusting device 4 for driving a plurality of pitch adjusting wheels 3 to adjust the spacing is provided between the two support plates 2, and a power device 5 for driving the adjusting device 4 to reciprocate is further provided at one end of the support plate 2. The power device 5 provides power to the adjusting device 4, so that the adjusting device 4 drives the plurality of pitch adjusting wheels 3 to move, so that the spacing between the plurality of pitch adjusting wheels 3 becomes larger or smaller, thereby processing the spring that needs to be pitch adjusted by adjusting the distance between the plurality of pitch adjusting wheels 3;

[0041] The adjusting device 4 includes a driving rod 401 rotatably mounted between the two support plates 2 and two support arms 402 fixed to the top of the two support plates 2. A connecting shaft 408 is also fixed to the middle of the driving rod 401. A fixing frame 403 is fixed to one end of the two support arms 402 away from the support plates 2. The fixing frame 403 is provided with a plurality of sliding mechanisms that drive the pitch adjusting wheels 3 to move. The driving rod 401 drives the plurality of sliding mechanisms to move, so that the plurality of sliding mechanisms drive the plurality of pitch adjusting wheels 3 to move, so that the spacing between the plurality of pitch adjusting wheels 3 is increased or decreased.

[0042] The power device 5 includes a height plate 501 fixed on one of the support plates 2, and a fixed seat 502 is fixed at the end of the height plate 501 away from the support plate 2. A motor 503 is fixed on the top of the fixed seat 502. A swing mechanism is provided between the motor 503 and the drive rod 401. The motor 503 provides power to the swing mechanism, so that the swing mechanism drives the drive rod 401 to rotate back and forth, and then drives several sliding mechanisms through the drive rod 401 to drive the pitch adjusting wheels 3 to move, thereby adjusting the spacing between the several pitch adjusting wheels 3.

[0043] The sliding mechanism includes a sliding frame 404 slidably mounted on the fixed frame 403, a connecting rod 405 is provided on the top side of the sliding frame 404, and the middle part of the sliding frame 404 is fixed to one end of the pitch adjusting wheel 3, and a transmission ball 406 is fixed to the bottom of the connecting rod 405. The driving rod 401 is provided with a plurality of sliding grooves that drive the pitch adjusting wheel 3 to move. The bottom of the transmission ball 406 is inserted in the sliding groove, and the length of the sliding groove increases from the inside to the outside. By rotating the driving rod 401, the transmission ball 406 cooperates with the sliding groove, so that the transmission ball 406 drives the connecting rod 405 to move, so that the connecting rod 405 drives the sliding frame 404 to move along the outer wall of the fixed frame 403, so that the fixed frame 403 drives the pitch adjusting wheel 3 to move, thereby adjusting the spacing of the pitch adjusting wheel 3. By rotating the driving rod 401 and cooperating with the transmission ball 406 and the spiral sliding groove, the moving distance and direction of the connecting rod 405 can be accurately controlled. This enables the sliding frame 404 to move precisely along the outer wall of the fixed frame 403, thereby achieving precise adjustment of the spacing of the pitch adjustment wheels 3. This is crucial for application scenarios such as spring processing that require high-precision pitch control, and can effectively improve product quality and consistency. The design of the spiral groove enables the transmission ball 406 to move gradually along the groove during the rotation of the drive rod 401, thereby driving the connecting rod 405 and the sliding frame 404 to achieve smooth linear motion, thereby improving the transmission efficiency and motion stability of the entire mechanism.

[0044] The swing mechanism includes a pressure rod 507 fixed on the height plate 501 and a sub-gear 511 fixed on the connecting shaft 408. A mounting sleeve 508 is fixed to the top of the pressure rod 507. A transmission shaft 509 is provided in the middle of the mounting sleeve 508. One end of the transmission shaft 509 is provided with a main gear 510 meshing with the sub-gear 511. A driving mechanism is provided between the transmission shaft 509 and the motor 503. The motor 503 drives the transmission shaft 509 to rotate, so that the transmission shaft 509 drives the main gear 510 to rotate, and the main gear 510 drives the sub-gear 511 meshing with it. 1. The secondary gear 511 drives the connecting shaft 408 to rotate, so that the connecting shaft 408 drives the driving rod 401 to rotate. This makes the swing mechanism highly flexible and controllable in practical applications and can adapt to different working requirements. The pressure rod 507, the mounting sleeve 508, the transmission shaft 509, the main gear 510 and the secondary gear 511 and other components are closely matched and occupy a small space. The structure of the swing mechanism is relatively simple, and the connection relationship between the various components is clear. During daily maintenance and servicing, it is easy to check and replace worn parts, thereby reducing maintenance costs and downtime.

[0045] The driving mechanism includes a transmission rod 504 fixed to the output end of the motor 503, a pulley 505 is fixed to the end of the transmission rod 504 away from the motor 503, and a swing plate 506 is provided on the end of the mounting sleeve 508 away from the transmission shaft 509. A limiting groove adapted to the pulley 505 is provided on the swing plate 506. The transmission rod 504 is driven to rotate by the motor 503, so that the transmission rod 504 drives the pulley 505 to rotate, and the pulley 505 is limited by the limiting groove, so that the pulley 505 drives the swing plate 506 to reciprocate around the mounting sleeve 508, so that the mounting sleeve 508 passes through the transmission The shaft 509 drives the main gear 510 to rotate back and forth, so that the main gear 510 drives the sub-gear 511 to rotate back and forth, and the sub-gear 511 drives the driving rod 401 to rotate back and forth through the connecting shaft 408, thereby ensuring the motion accuracy of the entire transmission system, and being able to efficiently transmit power and motion. The gear transmission has a high transmission efficiency, which can ensure that the power loss during the transmission process is small, making the operation of the entire system more efficient, and can also prevent the pulley 505 from shaking or offsetting during the movement, thereby avoiding transmission failures caused by inaccurate position of the pulley 505.

[0046] By adopting the above technical solutions:

[0047] During use, the motor 503 drives the transmission shaft 509 to rotate, so that the transmission shaft 509 drives the main gear 510 to rotate, so that the main gear 510 drives the sub-gear 511 meshing with it, and the sub-gear 511 drives the connecting shaft 408 to rotate, so that the connecting shaft 408 drives the driving rod 401 to rotate, and through the rotation of the driving rod 401, the transmission ball 406 cooperates with the slide groove, so that the transmission ball 406 is sequentially expanded from the inside to the outside along the spiral slide groove, so that the transmission ball 406 drives the connecting rod 405 to extend outward, so that the connecting rod 405 drives the sliding frame 404 to move along the outer wall of the fixed frame 403, so that the fixed frame 403 drives the pitch adjusting wheel 3 to move, so that the spacing of several pitch adjusting wheels 3 can be adjusted at the same time, so that multiple pitches of a spring can be adjusted.

[0048] Secondly, reference Figure 4-Figure 7As shown, two wear-resistant rings 407 are fixed to the top and bottom of the sliding frame 404, and two fixing sleeves are fixed at one end of the two support arms 402 away from the support plate 2. The two fixing sleeves are fixed to the two ends of the fixing frame 403, and the wear-resistant rings 407 are sleeved on the outer wall of the fixing frame 403. The end of the connecting rod 405 away from the transmission ball 406 is fixed to one of the wear-resistant rings 407. The two wear-resistant rings 407 are driven to move by the sliding frame 404, so that the two wear-resistant rings 407 slide along the outer wall of the fixing frame 403, thereby reducing the wear of the sliding frame 404 and the fixing frame 403 and increasing the service life of the fixing frame 403 and the sliding frame 404. The wear-resistant rings 407 are usually made of wear-resistant material and can withstand long-term sliding friction, effectively protecting the surfaces of the sliding frame 404 and the fixing frame 403, reducing the equipment failure rate caused by wear, and improving the overall reliability and stability of the equipment, ensuring the continuity and efficiency of production, and the stable movement performance also reduces the downtime and maintenance workload caused by equipment failure, further improving the economy and practicality of the equipment.

[0049] By adopting the above technical solutions:

[0050] During use, by sleeve-mounting the two wear-resistant rings 407 on the outer wall of the fixed frame 403, the two sliding frames 404 drive the two wear-resistant rings 407 to move along the outer wall of the fixed frame 403, thereby reducing the wear of the sliding frames 404 and the fixed frame 403 and increasing the service life of the fixed frame 403 and the sliding frames 404.

[0051] Again, reference Figure 7 As shown, a through slot is provided in the middle of the sliding frame 404, and a plurality of reinforcing rods are fixed inside the through slot. The through slot provided in the middle of the sliding frame 404 is used to reduce the weight of the sliding frame 404, and the reinforcing rods are used to increase the supporting force of the sliding frame 404, so that the sliding frame 404 drives the wear-resistant ring 407 to slide quickly on the fixed frame 403, thereby reducing the total weight of the sliding frame 404 and reducing the cost.

[0052] By adopting the above technical solutions:

[0053] When in use, the weight of the sliding frame 404 is reduced by the through groove provided in the middle of the sliding frame 404, and the supporting force of the sliding frame 404 is increased by the reinforcing rod, so that the sliding frame 404 drives the wear-resistant ring 407 to slide quickly on the fixed frame 403, thereby reducing the total weight of the sliding frame 404 and reducing costs.

[0054] Finally, reference Figure 12As shown, a power rod 6 is provided between the two support plates 2, and two base plates 7 are also fixed in the middle of the operating table 1. A threaded portion is provided at one end of the power rod 6, and a threaded hole matching the threaded portion is provided on the support plate 2. An adjusting button 8 is also fixed in the middle of the power rod 6. The power rod 6 is movably mounted on the two base plates 7. By rotating the adjusting button 8, the power rod 6 is driven to rotate, and the power rod 6 drives the threaded portion to rotate, so that the threaded portion is matched with the threaded hole, so that the power rod 6 drives the support plate 2 to move, and the support plate 2 drives the driving rod 401 to move, and the driving rod 401 drives the pitch adjusting wheel 3 to move, so that the pitch of the spring can be further adjusted.

[0055] A card block is fixed at the bottom of the support plate 2, and a card slot adapted to the card block is opened on the top of the operating table 1. The card block is inserted into the card slot, and the card slot is used to limit the card block to prevent the support plate 2 from shifting during movement, causing the device to be unable to be used normally.

[0056] By adopting the above technical solutions:

[0057] During use, the power rod 6 is driven to move by rotating the adjusting knob 8, so that the power rod 6 drives the threaded part to rotate, so that the threaded part cooperates with the threaded hole, so that the power rod 6 drives the support plate 2 to move, and the card block is limited by the card slot to prevent the support plate 2 from deviating during movement, causing the device to be unable to be used normally, so that the support plate 2 drives the driving rod 401 to move, and the driving rod 401 drives the pitch adjusting wheel 3 to move, so that the pitch of the spring can be further adjusted.

[0058] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto. Various changes can be made within the scope of knowledge possessed by those skilled in the art without departing from the spirit of the present invention.

Claims

1. A spring pitch shaping device, characterized in that: include: An operating table (1), wherein two support plates (2) are provided on the top of the operating table (1), and a plurality of pitch adjustment wheels (3) for adjusting the pitch of the spring are provided between the two support plates (2); An adjusting device (4) for driving a plurality of pitch adjusting wheels (3) to adjust the spacing is provided between the two support plates (2), and a power device (5) for driving the adjusting device (4) to reciprocate is further provided at one end of the support plate (2); The adjusting device (4) comprises a driving rod (401) rotatably mounted between the two support plates (2) and two support arms (402) fixed to the tops of the two support plates (2); a connecting shaft (408) is also fixed to the middle of the driving rod (401); a fixing frame (403) is fixed to one end of the two support arms (402) away from the support plates (2); and a plurality of sliding mechanisms for driving the pitch adjusting wheel (3) to move are provided on the fixing frame (403); The power device (5) comprises a height plate (501) fixed on one of the support plates (2); a fixing seat (502) is fixed to one end of the height plate (501) away from the support plate (2); a motor (503) is fixed to the top of the fixing seat (502); and a swing mechanism is provided between the motor (503) and the driving rod (401); The sliding mechanism includes a sliding frame (404) slidably mounted on a fixed frame (403), a connecting rod (405) is provided on one side of the top of the sliding frame (404), and the middle of the sliding frame (404) is fixed to one end of the pitch adjustment wheel (3), a transmission ball (406) is fixed to the bottom of the connecting rod (405), and a plurality of sliding grooves for driving the pitch adjustment wheel (3) to move are opened on the driving rod (401), and the bottom of the transmission ball (406) is inserted into the sliding groove, and the length of the sliding groove increases from the inside to the outside. Two wear-resistant rings (407) are fixed to the top and bottom of the sliding frame (404), two fixing sleeves are fixed to the ends of the two support arms (402) away from the support plate (2), the two fixing sleeves are fixed to the two ends of the fixing frame (403), the wear-resistant rings (407) are sleeved on the outer wall of the fixing frame (403), and the end of the connecting rod (405) away from the transmission ball (406) is fixed to one of the wear-resistant rings (407); A through slot is provided in the middle of the sliding frame (404), and a plurality of reinforcing rods are fixed inside the through slot.

2. A spring pitch shaping device according to claim 1, characterized in that: The swing mechanism comprises a pressure rod (507) fixed on the height plate (501) and a sub-gear (511) fixed on the connecting shaft (408); a mounting sleeve (508) is fixed to the top of the pressure rod (507); a transmission shaft (509) is provided in the middle of the mounting sleeve (508); a main gear (510) meshing with the sub-gear (511) is provided at one end of the transmission shaft (509); and a driving mechanism is provided between the transmission shaft (509) and the motor (503).

3. A spring pitch shaping device according to claim 2, characterized in that: The driving mechanism comprises a transmission rod (504) fixed to the output end of the motor (503), a pulley (505) being fixed to one end of the transmission rod (504) away from the motor (503), a swing plate (506) being provided at one end of the mounting sleeve (508) away from the transmission shaft (509), a limiting groove being provided on the swing plate (506) being adapted to the pulley (505), and the transmission rod (504) being driven to rotate by the motor (503), so that the transmission rod (504) drives the pulley (505) to rotate.

4. A spring pitch shaping device according to claim 1, characterized in that: A power rod (6) is provided between the two support plates (2), and two base plates (7) are fixed in the middle of the operating table (1). One end of the power rod (6) is provided with a threaded portion, and a threaded hole adapted to the threaded portion is provided on the support plate (2). An adjusting button (8) is also fixed in the middle of the power rod (6), and the power rod (6) is movably mounted on the two base plates (7).

5. A spring pitch shaping device according to claim 4, characterized in that: A card block is fixed to the bottom of the support plate (2), and a card slot adapted to the card block is provided on the top of the operating table (1), wherein the card block is inserted into the card slot.

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