Bending head structure of framework spring bending machine

Abstract

The utility model relates to the technical field of bending heads, in particular to a bending head structure of a framework spring bending machine, which comprises a base, a support limiting structure is arranged on the upper portion of the base, the support limiting structure comprises two fixing blocks, a hydraulic rod, a sliding base and limiting blocks, and a spring bending rotating shaft is rotatably connected between the two limiting blocks. A driving motor is arranged at one end of the upper portion of the base, the output end of the driving motor is connected with one end of a spring bending rotating shaft through a first connecting block, and a fixing clamping bolt is movably installed at the other end of the spring bending rotating shaft. According to the spring bending device, the supporting limiting structure, the spring bending rotating shaft, the first connecting block and the fixing clamping bolt are matched with one another, the spring bending rotating shafts of different sizes can be replaced, when springs of different sizes are machined and produced, different spring bending devices do not need to be replaced, and the production cost is greatly reduced.

Description

Technical Field

[0001] The utility model relates to a bending head structure of a skeleton spring bending machine, belonging to the technical field of bending heads. Background Art

[0002] Spring is a mechanical part that uses elasticity to work. It is generally made of spring steel and is very common in daily life. For example, it is used to control the movement of mechanical parts, relieve shock or vibration, store energy, measure the size of force, etc. It is widely used in machines and instruments. Due to the different uses or sizes of springs, different spring bending machines are required to process and produce spring blanks.

[0003] The bending head structure of the existing skeleton spring bending machine does not have the conditions for disassembling and replacing bending and rotating shafts of different sizes. When processing and producing springs of different sizes, different spring bending equipment can only be replaced, which increases production costs. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a bending head structure of a skeleton spring bending machine which can replace spring bending rotating shafts of different sizes.

[0005] The technical solution adopted by the utility model to solve the above technical problems is:

[0006] A bending head structure of a skeleton spring bending machine comprises a base, the upper part of the base is provided with a support and limiting structure, the support and limiting structure comprises two fixed blocks, a hydraulic rod arranged on the side of the fixed block, a sliding base arranged at the telescopic end of the hydraulic rod and a limit block installed on the upper part of the sliding base, a spring bending rotating shaft is rotatably connected between the two limit blocks, a driving motor is arranged at one end of the upper part of the base, the output end of the driving motor is connected to one end of the spring bending rotating shaft through a first connecting block, and a fixing bolt is movably installed at the other end of the spring bending rotating shaft.

[0007] Furthermore, the limiting block is fixed to the upper surface of the sliding base by bolts, and the limiting block includes a third connecting block and a limiting claw block arranged on the inner side of the third connecting block.

[0008] Furthermore, the fixing bolt includes a polygonal insert block, a second connecting block arranged on one side of the polygonal insert block, and a clamping shaft arranged on the same side of the second connecting block and the polygonal insert block.

[0009] Furthermore, a polygonal insertion groove adapted to the polygonal insertion block is opened at one end of the spring bending rotating shaft, and a semi-open clamping block adapted to the second connecting block is arranged at the edge of the polygonal insertion groove, and the semi-open clamping block and the second connecting block are fixed by bolts.

[0010] Furthermore, the first connection block includes a first connection plate arranged at the output end of the driving motor and a second connection plate arranged at one end of the spring bending rotating shaft close to the first connection plate, and the first connection plate and the second connection plate are fixed by bolts.

[0011] Furthermore, a sliding block is provided under each of the two sliding bases, and a sliding groove adapted to the sliding block is provided on the upper surface of the base.

[0012] Furthermore, the base is provided with a storage groove at one end away from the driving motor, and a storage box is slidably arranged in the storage groove.

[0013] Furthermore, a protective shell is arranged around the driving motor, a push plate is arranged between the two sliding bases, and the sliding groove penetrates to the inner wall of one side of the storage box.

[0014] Compared with the prior art, the present invention has at least the following beneficial effects:

[0015] The present application can replace spring bending rotating shafts of different sizes through the first connecting block, and then limit and support the spring bending rotating shafts of different sizes by replacing limit blocks of different sizes, and position and fix the spring blank by fixing the bolt to realize the replacement of spring bending rotating shafts of different sizes. Therefore, when processing and producing springs of different sizes, there is no need to replace different spring bending equipment, thereby greatly reducing the production cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the working structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the support and limiting structure of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the spring bending rotating shaft of the utility model;

[0020] Figure 5 This is a schematic diagram of the fixed bolt structure of the utility model;

[0021] Figure 6 It is a schematic diagram of the base structure of the utility model.

[0022] In the figure, 1-base; 2-fixed block; 3-hydraulic rod; 4-sliding base; 5-limiting block; 6-spring bending rotating shaft; 7-driving motor; 8-first connecting block; 9-fixed clamping bolt; 10-polygonal insertion block; 11-second connecting block; 12-clamping shaft; 13-polygonal insertion groove; 14-semi-opening clamping block; 15-first connecting disk; 16-third connecting block; 17-limiting claw block; 18-storage tank; 19-storage box; 20-protective shell; 21-push plate; 101-support limiting structure; 102-second connecting disk; 103-slider; 104-slide groove. DETAILED DESCRIPTION

[0023] The technical solution of the present utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0024] like Figure 1-6 As shown, the bending head structure of the skeleton spring bending machine provided in this embodiment includes a base 1, and a support and limiting structure 101 is arranged on the upper surface of the base 1. The support and limiting structure 101 includes two fixed blocks 2, a hydraulic rod 3 arranged on the side of the fixed block 2, a sliding base 4 arranged at the telescopic end of the hydraulic rod 3, and a limiting block 5 installed on the upper surface of the sliding base 4. A spring bending rotating shaft 6 is rotatably connected between the two limiting blocks 5. A driving motor 7 is arranged at one end of the upper surface of the base 1, and the output end of the driving motor 7 is connected to one end of the spring bending rotating shaft 6 through a first connecting block 8. A fixing bolt 9 is movably installed at the other end of the spring bending rotating shaft 6. The base 1 is used to support and fix the device; the support and limiting structure 101 is used to support the spring bending rotating shaft 6 for rotational limiting, and at the same time, the bent spring can be pushed out of the spring bending rotating shaft 6; the fixed block 2 is used to fix the hydraulic rod 3 on the base 1; the hydraulic rod 3 is used to push the sliding base 4 to move through its own telescopic movement; the sliding base 4 is used to support and connect the limiting block 5, and the limiting block 5 is used to limit the rotation of the spring bending rotating shaft 6; the spring bending rotating shaft 6 is used to bend the spring blank by its own rotation; the drive motor 7 is used to provide a rotational driving force for the spring bending rotating shaft 6; the first connecting block 8 is used to fix the spring bending rotating shaft 6 and the output end of the drive motor 7 together, and at the same time, the spring bending rotating shaft 6 of different sizes can be replaced; the fixing bolt 9 is used to fix one end of the spring blank bent on the spring bending rotating shaft 6.

[0025] The limit block 5 is fixed to the upper surface of the sliding base 4 by bolts, which is convenient for disassembly and replacement of limit blocks 5 of different sizes. The limit block 5 includes a third connecting block 16 and a limit claw block 17 arranged on the inner side of the third connecting block 16. The third connecting block 16 is used to fix the limit claw block 17 to the sliding base 4, and the limit claw block 17 is used to provide limit support for the rotating spring bending rotating shaft 6.

[0026] The fixing bolt 9 includes a polygonal insertion block 10, a second connecting block 11 arranged on one side of the polygonal insertion block 10, and a clamping shaft 12 arranged on the same side of the second connecting block 11 and the polygonal insertion block 10. The polygonal insertion block 10 is used to insert the fixing bolt 9 into the spring bending rotating shaft 6. At the same time, the polygonal insertion block 10 is set to a polygon to limit the fixing bolt 9. The second connecting block 11 is used to connect the clamping shaft 12 with the polygonal insertion block 10, and the clamping shaft 12 is used to fix the bent spring blank.

[0027] A polygonal insertion groove 13 adapted to the polygonal insertion block 10 is provided at one end of the spring bending rotating shaft 6, and a semi-open card block 14 adapted to the second connecting block 11 is provided at the edge of the polygonal insertion groove 13. The semi-open card block 14 and the second connecting block 11 are fixed by bolts to facilitate fixing the fixed bolt 9. The polygonal insertion groove 13 facilitates the fixed bolt 9 to be inserted into the spring bending rotating shaft 6 through the polygonal insertion block 10, and the semi-open card block 14 is used to clamp and fix the second connecting block 11.

[0028] The first connecting block 8 includes a first connecting plate 15 arranged at the output end of the driving motor 7 and a second connecting plate 102 arranged at one end of the spring bent rotating shaft 6 close to the first connecting plate 15. The first connecting plate 15 and the second connecting plate 102 are fixed by bolts, and the first connecting plate 15 and the second connecting plate 102 are used to connect the driving motor 7 and the spring bent rotating shaft 6 together.

[0029] Slide blocks 103 are disposed under the two sliding bases 4 , and a slide groove 104 adapted to the slide block 103 is provided on the upper surface of the base 1 . The slide block 103 and the slide groove 104 are used for the sliding base 4 to perform limited sliding on the base 1 .

[0030] The base 1 is provided with a storage groove 18 at one end away from the driving motor 7 , in which a storage box 19 is slidably arranged. The storage groove 18 is used to store the storage box 19 , and the storage box 19 is used to store debris generated by bending.

[0031] A protective shell 20 is arranged around the driving motor 7, a push plate 21 is arranged between the two sliding bases 4, and the slide groove 104 penetrates to the inner wall of one side of the storage box 19. The protective shell 20 is used to protect the driving motor 7, and the push plate 21 is used to push the scattered base 1 into the storage box 19 and connect the two sliding bases 4 together.

[0032] like Figure 1-Figure 6As shown, the principle of the bending head structure of the skeleton spring bending machine provided in this embodiment is as follows: when using the device, the adapted limit block 5, spring bending rotating shaft 6 and fixed clamp 9 should be selected according to the size of the bent spring, and then the end of the spring bending rotating shaft 6 with the second connecting disk 102 is fixedly connected to the first connecting disk 15 at the output end of the driving motor 7 by bolts, and then the limit block 5 is hung on the sliding base 4 on both sides of the spring bending rotating shaft 6 by bolts, and at the same time, it is necessary to ensure that the limit blocks 5 fixed on the sliding base 4 on both sides of the spring bending rotating shaft 6 can limit the support of the spring bending rotating shaft 6, and make the spring bending rotating shaft 6 rotate normally under the drive of the driving motor 7, and finally the fixed clamp 9 is inserted into the polygonal insertion groove 13 at one end of the spring bending rotating shaft 6 through the polygonal insertion block 10, and the fixed clamp 9 is fixed to the semi-opening card embedding block 14 by bolts;

[0033] After the installation of the device is completed, the feeder can be aligned with one end of the spring bending rotating shaft 6 with the fixed clamping bolt 9, and then the heated spring bending blank can be placed between the spring bending rotating shaft 6 and the clamping shaft 12, and the hydraulic rod 3 pushes the sliding base 4 to move toward the fixed clamping bolt 9 until the limit block 5 that clamps and supports the spring bending rotating shaft 6 reaches the clamping shaft 12 and stops; the driving motor 7 rotates the spring bending rotating shaft 6, and at this time the hydraulic rod 3 will slowly contract, and the feeder will also move at the same speed and in the same direction as the hydraulic rod 3, and the spring bending blank will slowly wrap around its outside under the rotation of the spring bending rotating shaft 6; when the spring bending blank is wrapped around the spring bending rotating shaft 6 and bent, the operator will unscrew the fixing bolt 9. Bolt and remove the fixing bolt 9; the hydraulic rod 3 will push the sliding base 4 to move toward one end of the polygonal insertion groove 13, and push the bent spring out of the spring bending rotating shaft 6. After pushing out the bent spring, the operator will fix the fixing bolt 9 in the semi-open card embedment block 14 again with the bolt, and at the same time, the push plate 21 will move synchronously with the sliding base 4, and push the debris scattered on the base 1 into the storage box 19; the debris scattered in the slide 104 will also be pushed into the slide 104 through the slider 103, and at the same time, the feeder will also move at the same speed and in the same direction as the hydraulic rod 3, preparing to put the heated spring bending blank between the spring bending rotating shaft 6 and the clamping shaft 12 for bending again.

[0034] The above description shows and describes the preferred embodiments of the present invention. It should be understood that the present invention is not limited to the forms disclosed herein, and modifications and changes made by those skilled in the art without departing from the spirit and scope of the present invention should be within the scope of protection of the claims attached to the present invention.

Claims

1. A bending head structure of a frame spring bending machine, comprising a base (1), characterized in that: A support and limit structure (101) is arranged on the upper part of the base (1), and the support and limit structure (101) comprises two fixed blocks (2), a hydraulic rod (3) arranged on the side of the fixed block (2), a sliding base (4) arranged at the telescopic end of the hydraulic rod (3), and a limit block (5) installed on the upper part of the sliding base (4), a spring bending rotating shaft (6) is rotatably connected between the two limit blocks (5), a driving motor (7) is arranged at one end of the upper part of the base (1), an output end of the driving motor (7) is connected to one end of the spring bending rotating shaft (6) through a first connecting block (8), and a fixing bolt (9) is movably installed on the other end of the spring bending rotating shaft (6).

2. The bending head structure of a skeleton spring bending machine according to claim 1, characterized in that: The limit block (5) is fixed to the upper surface of the sliding base (4) by means of bolts, and the limit block (5) comprises a third connecting block (16) and a limit claw block (17) arranged inside the third connecting block (16).

3. The bending head structure of a skeleton spring bending machine according to claim 1, characterized in that: The fixing bolt (9) comprises a polygonal insert block (10), a second connection block (11) arranged on one side of the polygonal insert block (10), and a clamping shaft (12) arranged on the same side of the second connection block (11) and the polygonal insert block (10).

4. The bending head structure of a skeleton spring bending machine according to claim 3 is characterized in that: A polygonal insertion groove (13) adapted to the polygonal insertion block (10) is formed at one end of the spring bending rotation axis (6); a semi-open clamping block (14) adapted to the second connection block (11) is provided at the edge of the polygonal insertion groove (13); the semi-open clamping block (14) and the second connection block (11) are fixed to each other by bolts.

5. The bending head structure of a skeleton spring bending machine according to claim 1, characterized in that: The first connection block (8) comprises a first connection disk (15) arranged at the output end of the drive motor (7) and a second connection disk (102) arranged at one end of the spring bending rotation axis (6) close to the first connection disk (15), and the first connection disk (15) and the second connection disk (102) are fixed by bolts.

6. The bending head structure of a skeleton spring bending machine according to claim 1, characterized in that: Slide blocks (103) are provided below the two sliding bases (4), and a slide groove (104) adapted to the slide blocks (103) is provided on the upper surface of the base (1).

7. The bending head structure of a skeleton spring bending machine according to claim 6, characterized in that: The base (1) is provided with a storage groove (18) at one end away from the driving motor (7), and a storage box (19) is slidably arranged in the storage groove (18).

8. The bending head structure of a skeleton spring bending machine according to claim 7, characterized in that: A protective shell (20) is arranged around the driving motor (7), a push plate (21) is arranged between the two sliding bases (4), and the sliding groove (104) penetrates to the inner wall of one side of the storage box (19).

Images