Spring feeding and clamping mechanism

Abstract

The utility model belongs to the technical field of machining equipment, and discloses a spring feeding and clamping mechanism which comprises an installation frame, an oscillator and a clamping piece used for clamping a spring are arranged on the installation frame, an installation plate is arranged on the installation frame, a fixed seat is installed on the installation plate, a movable block is arranged at the upper end of the fixed seat in a sliding fit mode, and the movable block is arranged on the installation plate. The spring placing device has the advantages that a spring in the oscillator falls into the placing hole in the moving block through the guide pipe by means of the oscillator, then the moving block is driven by the first air cylinder, the spring is placed in the placing hole in the moving block, and the spring is placed in the placing hole in the moving block. According to the spring transferring device, the movable block is arranged, so that a placing hole in the movable block is aligned with a feeding hole in the fixed seat, the spring can be positioned and fall onto the clamping piece, the spring is clamped and fixed through the clamping piece, and the spring cannot incline or turn over in the transferring process.

Description

Technical Field

[0001] The utility model belongs to the technical field of processing equipment, and particularly relates to a spring feeding clamping mechanism. Background Art

[0002] Spring hooks are a common hardware product, widely used in carabiners, rope buckles, pet chains, key accessories, special-shaped chains, luggage buckles, connecting hooks, anti-skid chains and other products. Spring hooks are mostly gourd-shaped, with a C-shaped long section and a straight short section hinged into a closed loop through rivets. A torsion spring is installed between the long section and the short section to keep the long section and the short section in a normally closed state, and a spring needs to be installed in the short section during installation.

[0003] After searching, a Chinese invention patent (application publication number: CN115415762A) provides a spring hook assembly machine and a spring hook assembly method, including a frame and a turntable, the frame is provided with a short section feeding device for short section feeding, a spring feeding device for spring feeding, a spring washer feeding device for spring washer feeding and a long section assembly device for long section feeding and assembly, the turntable is provided with a hook assembly fixture, the short section feeding device, the spring feeding device, the spring washer feeding device and the long section assembly device are respectively arranged on the first station, the second station, the third station and the fourth station, the turntable is rotatable on the frame and is used to drive the hook assembly fixture to pass through the first station, the second station, the third station and the fourth station in sequence and complete processing at the stations.

[0004] The spring feeding device comprises a spring vibrating plate, a spring guide block and a spring baffle, wherein the spring guide block is provided with a spring guide hole for the spring to pass through, and the spring baffle is inserted into the spring guide hole to feed the springs one by one. Such a structure is convenient for spring feeding, has a simple structure and is easy to assemble.

[0005] It can be seen from the prior art that the spring feeding device of the prior art cannot ensure that the spring always remains upright during the assembly process after feeding. If the spring tilts or falls over, this will cause problems in the assembly process, thereby causing an increase in the scrap rate. Therefore, this shortcoming needs to be improved urgently. Utility Model Content

[0006] The purpose of the utility model is to solve the above problems. The utility model provides a spring feeding and clamping mechanism, which has the advantage of keeping the spring in an upright state all the time.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: comprising a mounting frame, an oscillator and a clamping member for clamping a spring are provided on the mounting frame, a mounting plate is provided on the mounting frame, a fixing seat is installed on the mounting plate, a moving block is slidably matched on the upper end of the fixing seat, a first cylinder for driving the moving block to move is provided on the mounting plate, a first connecting frame is provided on the mounting plate, a conduit for transporting the spring is connected between the first connecting frame and the oscillator, a placement hole is provided on the moving block, a feeding hole is provided on the fixing seat, and the clamping member is located below the feeding hole;

[0008] When the cylinder is not activated, the placement hole is aligned with the passage in the conduit;

[0009] When the cylinder is started, the placement hole is aligned with the loading hole.

[0010] Preferably, the clamping member includes a mounting seat installed on the mounting frame, a first fixed block and a second fixed block are fixedly installed on the mounting seat, a swing block is rotatably installed between the first fixed block and the second fixed block, the swing block is contacted with the first fixed block, an elastic member is abutted between the swing block and the second fixed block, the elastic member always has a tendency to drive the swing block to contact and cooperate with the first fixed block, and a driving member is installed on the mounting plate to push the swing block to swing to a side away from the second fixed block.

[0011] Preferably, the driving member comprises a second cylinder mounted on the mounting frame, a push block is mounted on the second cylinder, and the push block has a protrusion that pushes the swing block to swing away from the first fixed block.

[0012] Preferably, one end of the swing block close to the push block has an oblique groove, and when the swing block contacts the first fixed block, an angle groove is formed between the oblique groove and the first fixed block.

[0013] Preferably, a clamping hole for clamping a spring is provided between the first fixed block and the swing block.

[0014] Preferably, a positioning column is provided on the first connecting frame, and a positioning hole for positioning the installation guide tube is provided in the positioning column.

[0015] Preferably, a second connecting frame is further installed on the side of the mounting plate, and a connecting pipe for an external air pump is installed on the second connecting frame, and the connecting pipe is located above the feeding hole.

[0016] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0017] The utility model provides a spring feeding and clamping mechanism, which uses an oscillator to make the spring in the oscillator fall into the placement hole in the moving block through a guide tube, and then drives the moving block through a first cylinder to make the placement hole in the moving block aligned with the feeding hole on the fixed seat, so that the spring can be positioned and fall onto the clamping piece, and the spring is clamped and fixed by the clamping piece, so that the spring will not tilt or overturn during transportation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0019] Figure 2 It is a three-dimensional structural schematic diagram of the clamping member of the utility model;

[0020] Figure 3 It is a schematic diagram of a partial explosion structure of the utility model;

[0021] Figure 4 It is a partial top view structural schematic diagram of the utility model.

[0022] Description of the drawings: 1. Mounting frame; 10. Mounting plate; 101. Waist-shaped hole; 11. First connecting frame; 12. Fixed seat; 121. Feeding hole; 13. Positioning column; 131. Positioning hole; 14. Second mounting rod; 15. Connecting pipe; 2. Oscillator; 21. Conduit; 31. First cylinder; 32. Moving block; 321. Placement hole; 41. Second cylinder; 42. Push block; 421. Protrusion; 5. Clamping member; 50. Clamping hole; 501. Bevel groove; 51. Mounting seat; 52. Swinging block; 521. Connecting member; 53. First fixed block; 54. Second fixed block; 55. Elastic member; 6. Spring. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] like Figure 1-Figure 4As shown, a spring feeding and clamping mechanism comprises a mounting frame 1, on which an oscillator 2 for placing a spring 6 and a clamping member 5 for clamping the spring 6 are provided. (The oscillator 2 is a prior art so it is not described here in detail) the mounting frame 1 is provided with a mounting plate 10, on which a fixing seat 12 is installed, a moving block 32 is slidably matched at the upper end of the fixing seat 12, and the upper end surface of the fixing seat 12 is in contact with the lower end surface of the moving block 32, the mounting plate 10 is provided with a first cylinder 31 for driving the moving block 32 to move, the mounting plate 10 is provided with a first connecting frame 11, the first connecting frame 11 is installed on the side of the mounting plate 10, a guide tube 21 for transporting the spring 6 is connected between the first connecting frame 11 and the oscillator 2, a placing hole 321 is provided on the moving block 32, the fixing seat 12 has a feeding hole 121, and the clamping member 5 is located below the feeding hole 121;

[0025] When the cylinder is not activated, the placement hole 321 is aligned with the passage in the conduit 21;

[0026] When the cylinder is started, the placement hole 321 is aligned with the loading hole 121 .

[0027] The clamping member 5 includes a mounting seat 51 mounted on the mounting frame 1, and a first fixed block 53 and a second fixed block 54 are fixedly mounted on the mounting seat 51, a swing block 52 is rotatably mounted between the first fixed block 53 and the second fixed block 54, the swing block 52 is arranged in contact with the first fixed block 53, a clamping hole 50 for clamping a spring 6 is provided between the first fixed block 53 and the swing block 52, and the clamping hole 50 is slightly smaller than the diameter of the spring 6, an elastic member 55 is abutted between the swing block 52 and the second fixed block 54, and the elastic member 55 in the present application is a reset spring 6, and the elastic member 55 always has a tendency to drive the swing block 52 to contact and cooperate with the first fixed block 53, that is, it always has a tendency to drive the swing block 52 and the first fixed block 53 to clamp the spring 6, and a driving member for pushing the swing block 52 to swing to the side away from the second fixed block 54 is installed on the mounting plate 10.

[0028] Furthermore, the swing block 52 is installed on the mounting base 51 by a connecting member 521, and the swing block 52 can rotate around the axis of the connecting member 521. In the present application, the connecting member 521 is a bolt. In addition to the bolt, the connecting member 521 can also be replaced by a rotating shaft, a screw nut or the like.

[0029] The driving member includes a second cylinder 41 mounted on the mounting frame 1, a push block 42 is mounted on the second cylinder 41, and a protrusion 421 is provided on the push block 42 for pushing the swing block 52 to swing away from the first fixed block 53. The end of the swing block 52 close to the push block 42 has an inclined groove 501. When the swing block 52 contacts the first fixed block 53, an angle groove is formed between the inclined groove 501 and the first fixed block 53. In the present application, the protrusion 421 is a trapezoid. In addition to the trapezoid, it can also be replaced by any other shape such as a circle or a triangle. The maximum spacing between the inclined groove 501 and the first fixed block 53 perpendicular to the horizontal plane is y. The protrusion 42 The maximum length of the longitudinal section is x. In addition to the trapezoid in the present application, other shapes also need to satisfy the adjustment of x>y. Therefore, when the protrusion 421 moves to the side away from the second cylinder 41, it can push the swing block 52 to swing around the axis of the connecting member 521 to the side away from the first fixed block 53, so that the swing block 52 and the first fixed block 53 are out of contact and cooperation, so that the spring 6 can fall into the opened clamping hole 50, and when the second cylinder 41 is retracted, the swing block 52 is reset by the elastic potential energy of the elastic member 55, so that the swing block 52 and the first fixed block 53 can clamp the fixed spring 6.

[0030] The first connecting frame 11 is provided with a positioning column 13 , and the positioning column 13 has a positioning hole 131 therein for positioning and installing the guide tube 21 .

[0031] A second connecting frame 14 is also installed on the side of the mounting plate 10, and a connecting pipe 15 for an external air pump is installed on the second connecting frame 14. The connecting pipe 15 is located above the loading hole 121, and the connecting pipe 15 is used to blow down the spring 6 stuck in the placement hole 321 or the loading hole 121.

[0032] Preferably, both the first connecting frame 11 and the second connecting frame 14 are provided with a waist-shaped hole 101, and the first connecting frame 11 and the second connecting frame 14 are fixed to the mounting plate 10 by passing bolts through the waist-shaped holes 101. The positions of the first connecting frame 11 and the second connecting frame 14 can be adjusted through the waist-shaped holes 101, thereby expanding the application scenarios.

[0033] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A spring feeding clamping mechanism, comprising a mounting frame (1), characterized in that: The mounting frame (1) is provided with an oscillator (2) and a clamping member (5) for clamping a spring (6); the mounting frame (1) is provided with a mounting plate (10); a fixing seat (12) is mounted on the mounting plate (10); a moving block (32) is slidably matched at the upper end of the fixing seat (12); a first cylinder (31) for driving the moving block (32) to move is provided on the mounting plate (10); a first connecting frame (11) is provided on the mounting plate (10); a guide tube (21) for transporting the spring (6) is connected between the first connecting frame (11) and the oscillator (2); a placement hole (321) is provided on the moving block (32); a loading hole (121) is provided on the fixing seat (12); and the clamping member (5) is located below the loading hole (121); When the cylinder is not activated, the placement hole (321) is aligned with the channel in the guide tube (21); When the cylinder is started, the placement hole (321) is aligned with the loading hole (121).

2. A spring feeding clamping mechanism according to claim 1, characterized in that: The clamping member (5) comprises a mounting seat (51) mounted on the mounting frame (1); a first fixed block (53) and a second fixed block (54) are fixedly mounted on the mounting seat (51); a swing block (52) is rotatably mounted between the first fixed block (53) and the second fixed block (54); the swing block (52) is arranged in contact with the first fixed block (53); an elastic member (55) is abutted against the swing block (52) and the second fixed block (54); the elastic member (55) always has a tendency to drive the swing block (52) to contact and cooperate with the first fixed block (53); and a driving member for driving the swing block (52) to swing to a side away from the second fixed block (54) is mounted on the mounting plate (10).

3. A spring feeding clamping mechanism according to claim 2, characterized in that: The driving member comprises a second cylinder (41) mounted on the mounting frame (1), a push block (42) being mounted on the second cylinder (41), and a protrusion (421) being provided on the push block (42) for pushing the swing block (52) to swing away from the first fixed block (53).

4. A spring feeding clamping mechanism according to claim 3, characterized in that: An end of the swing block (52) close to the push block (42) has an inclined groove (501), and when the swing block (52) contacts the first fixed block (53), an angle groove is formed between the inclined groove (501) and the first fixed block (53).

5. A spring feeding and clamping mechanism according to claim 4, characterized in that: A clamping hole (50) for clamping a spring (6) is provided between the first fixed block (53) and the swing block (52).

6. A spring feeding and clamping mechanism according to claim 1, characterized in that: The first connecting frame (11) is provided with a positioning column (13), and the positioning column (13) has a positioning hole (131) for positioning and installing the conduit (21).

7. A spring feeding and clamping mechanism according to claim 1, characterized in that: A second connecting frame (14) is also mounted on the side of the mounting plate, and a connecting pipe (15) for connecting to an external air pump is mounted on the second connecting frame (14), and the connecting pipe (15) is located above the feeding hole (121).

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