CN215656158U

CN215656158U - Spring positioning mechanism

Info

Publication number: CN215656158U
Application number: CN202121975898.6U
Authority: CN
Inventors: 胡川
Original assignee: Chongqing Jiangdu Machinery Manufactory
Current assignee: Chongqing Jiangdu Machinery Manufactory
Priority date: 2021-08-20
Filing date: 2021-08-20
Publication date: 2022-01-28
Anticipated expiration: 2031-08-20

Abstract

The utility model relates to the technical field of spring processing, and particularly discloses a spring positioning mechanism which comprises a supporting plate, wherein a rotating pipe is horizontally and rotatably installed on the supporting plate through a bearing seat, a connecting ring is coaxially welded at one end of the rotating pipe, a plurality of expansion blocks are slidably connected onto the end surface of the connecting ring, which is far away from the rotating pipe, the expansion blocks slide along the radial direction of the connecting ring, the inner walls of all the expansion blocks are combined to form a conical cavity, the large-diameter end of the conical cavity faces the connecting ring, a movable rod is coaxially and movably arranged in the rotating pipe, one end of the movable rod is rotatably connected with a circular table top head, the movable rod can move towards the connecting ring so as to drive the side wall of the circular table top head to abut against the inner wall of the expansion block, so that the expansion blocks slide outwards along the radial direction of the connecting ring, and a first driving mechanism for driving the movable rod to move along the axial direction of the rotating pipe and a rotating pipe rotating are installed on the supporting plate And a movable second driving mechanism.

Description

Spring positioning mechanism

Technical Field

The utility model relates to the technical field of spring processing, in particular to a spring positioning mechanism.

Background

Spring in the car gas vaulting pole, before assembling the gas vaulting pole the inside, there is the process of one surface fat liquoring, and traditional fat liquoring method is manual operation, and manual operation can lead to oil to paint inhomogeneously, still can lead to the operating personnel hand to be stained with lubricating oil, and the efficiency of manual work paint is lower moreover, consequently needs automatic fat liquoring equipment, and automatic fat liquoring needs fix a position the spring earlier, then paints the operation again. The spring is not clamped by the outer surface because the outer part of the spring needs to be coated with oil, and can only be positioned from the inside, but the tolerance of the inner diameter of the spring is large, so that the spring cannot be positioned by a rigid positioning shaft, and the spring has the problem of difficult positioning.

SUMMERY OF THE UTILITY MODEL

To solve the problems mentioned in the background art, the present invention is directed to a spring positioning mechanism.

In order to achieve the above object, the technical solution of the present invention is:

a spring positioning mechanism comprises a supporting plate, wherein a rotating pipe is installed on the supporting plate through horizontal rotation of a bearing seat, a connecting ring is coaxially welded at one end of the rotating pipe, a plurality of sliding grooves are evenly formed in the end face, deviating from the rotating pipe, of the connecting ring, a sliding block is connected in each sliding groove in a sliding mode, the sliding block slides in the radial direction of the connecting ring, an expansion block is fixedly connected to each sliding block, the inner walls of all the expansion blocks are combined to form a conical cavity, the large-diameter end of the conical cavity faces the connecting ring, a moving rod is movably arranged in the rotating pipe coaxially, a circular table top head is connected to one end of the moving rod in a rotating mode, the moving rod can move towards the connecting ring so as to drive the side wall of the circular table top head to abut against the inner wall of the expansion block, and the expansion block slides outwards in the radial direction of the connecting ring, and a first driving mechanism for driving the movable rod to move along the axial direction of the rotating pipe and a second driving mechanism for driving the rotating pipe to rotate are arranged on the supporting plate.

Furthermore, the circular truncated cone top with the movable rod sets up coaxially just the welding of the big footpath end of circular truncated cone top has solid fixed ring, gu the embedded bearing that is equipped with of fixed ring, the tip of movable rod inlays to be established in the inner circle of bearing.

Furthermore, the outer walls of all the expansion blocks are combined to form a cylindrical surface, mounting grooves are formed in the outer walls of the expansion blocks, all the mounting grooves are combined to form an annular groove, and an elastic rubber ring is sleeved in the annular groove.

Furthermore, the first driving mechanism comprises an air cylinder and a floating joint, the air cylinder is fixedly installed on the supporting plate through a mounting seat, and a piston rod of the air cylinder is connected with one end, far away from the circular truncated cone top, of the moving rod through the floating joint.

Furthermore, the second driving mechanism comprises a motor, a first belt wheel, a second belt wheel and a transmission belt, the motor is fixedly installed on the supporting plate, the first belt wheel is sleeved on an output shaft of the motor, the second belt wheel is sleeved on the rotating pipe, and the first belt wheel is in transmission connection with the second belt wheel through the transmission belt.

Furthermore, the sliding groove is a T-shaped sliding groove, the size of the sliding block is matched with that of the sliding groove, and two ends of the sliding groove penetrate through the inner side surface and the outer side surface of the connecting ring.

The utility model has the beneficial effects that: can promote the carriage release lever through first actuating mechanism and remove to the go-between, thereby make the lateral wall of round platform top support and make the radial outside removal of expansion piece along the go-between by the inner wall of expansion piece, can prop up the tip of spring from inside to outside tightly, the tolerance of adaptation spring that can be good is fixed with the spring, accessible second actuating mechanism drives the rotating tube rotation after fixing the spring, thereby drive the spring and rotate, the convenience carries out even fat liquoring to the outside of spring, and reasonable structural design, the efficiency of effectively improving the fat liquoring of spring, reduce the operation degree of difficulty.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view showing a coupling structure of the rotary pipe, the coupling ring and the expansion block according to the present invention;

FIG. 3 is a schematic view showing a coupling structure of the rotary pipe, the coupling ring and the expansion block according to the present invention;

FIG. 4 is a schematic view of the connection structure of the rotating tube, the connecting ring, the expanding block and the elastic rubber ring according to the present invention;

FIG. 5 is a schematic view of a connecting structure of the moving rod, the circular truncated cone top, the fixing ring and the bearing according to the present invention;

FIG. 6 is a partial cross-sectional view of the expansion block of the present invention in its original state;

FIG. 7 is a partial cross-sectional view of the expansion block of the present invention in an expanded state and tensioning the spring.

Reference numerals: 1. the device comprises a supporting plate, 11, a bearing seat, 2, a rotating pipe, 3, a connecting ring, 31, a sliding groove, 4, an expansion block, 41, a sliding block, 42, a mounting groove, 5, a conical cavity, 6, a moving rod, 7, a circular truncated cone top, 71, a fixing ring, 72, a bearing, 8, a first driving mechanism, 81, an air cylinder, 82, a floating joint, 9, a second driving mechanism, 91, a motor, 92, a first belt wheel, 93, a second belt wheel, 94, a transmission belt, 10, an annular groove, 110, an elastic rubber ring, 120 and a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments disclosed herein are intended to be within the scope of the present invention.

As shown in fig. 1-7, a spring positioning mechanism comprises a supporting plate 1, a rotating tube 2 is horizontally and rotatably mounted on the supporting plate 1 through a bearing seat 11, a connecting ring 3 is coaxially welded at the right end of the rotating tube 2, four sliding grooves 31 are uniformly formed in the right end surface of the connecting ring 3, a sliding block 41 is slidably connected in each sliding groove 31, the sliding block 41 slides along the radial direction of the connecting ring 3, an expansion block 4 is welded at the right end of each sliding block 41, the inner walls of the four expansion blocks 4 are combined to form a conical cavity 5, the large-diameter end of the conical cavity 5 faces the connecting ring 3, a moving rod 6 is coaxially and movably arranged in the rotating tube 2, a circular truncated cone top 7 is rotatably connected at the right end of the moving rod 6, the side wall of the circular truncated cone top 7 is matched with the inner wall of the expansion block 4, the moving rod 6 can move towards the connecting ring 3 to drive the side wall of the circular truncated cone top 7 to abut against the inner wall of the expansion block 4, so that the expansion blocks 4 are slid outward in the radial direction of the connection ring 3, and the left end of the support plate 1 is mounted with a first driving mechanism 8 for driving the moving rod 6 to move in the axial direction of the rotary tube 2 and a second driving mechanism 9 for driving the rotary tube 2 to rotate.

In the in-service use, insert four expansion block 4 in the one end of locating spring 120, first actuating mechanism 8 can promote the carriage release lever 6 and move rightwards, thereby make the lateral wall of round platform top 7 support and lean on the inner wall of expansion block 4 and make expansion block 4 along the radial outside removal of go-between 3, can prop up the tip of spring 120 from inside to outside tightly, the tip of spring 120 supports and leans on the go-between 3, the tolerance that can good adaptation spring 120 is and firm fixes spring 120, accessible second actuating mechanism 9 drives the rotating tube 2 and rotates after fixing spring 120, thereby drive spring 120 and rotate, the handheld oil brush of operating personnel carries out even fat liquoring to the outside of spring 120, structural design is reasonable, the efficiency of effectively improving the fat liquoring of spring, reduce the operation degree of difficulty.

In this embodiment, the circular truncated cone top 7 and the movable rod 6 are coaxially arranged, the large-diameter end of the circular truncated cone top 7 is welded with the fixing ring 71, the bearing 72 is embedded in the fixing ring 71, the right end of the movable rod 6 is embedded in the inner ring of the bearing 72, and the circular truncated cone top is reasonable in structural design and convenient to process and install.

In this embodiment, the outer wall combination of four expansion blocks 4 forms a cylinder face, has seted up mounting groove 42 on the outer wall of expansion block 4, and four mounting groove 42 combinations form an annular groove 10, and the elastic rubber ring 110 is equipped with to the cover in the annular groove 10, sets up elastic rubber ring 110, can in time reset expansion block 4, avoids manual removal expansion block 4.

In this embodiment, the first driving mechanism 8 includes an air cylinder 81 and a floating joint 82, the air cylinder 81 is fixedly installed on the left side of the supporting plate 1 through a mounting seat, a piston rod of the air cylinder 81 is connected with the left end of the moving rod 6 through the floating joint 82, and the floating joint 82 is provided to reduce the installation error of the piston rod of the air cylinder 81 and the moving rod 6.

In this embodiment, the second driving mechanism 9 includes a motor 91, a first belt pulley 92, a second belt pulley 93 and a transmission belt 94, the motor 91 is fixedly installed on the left side of the supporting plate 1, the first belt pulley 92 is sleeved on an output shaft of the motor 91, the second belt pulley 93 is sleeved on the rotating tube 2 and is arranged between the bearing 72 seat and the floating joint 82, the first belt pulley 92 is in transmission connection with the second belt pulley 93 through the transmission belt 94, the structural design is reasonable, and quick installation is facilitated.

In this embodiment, the sliding groove 31 is a T-shaped sliding groove, the sliding block 41 is matched with the sliding groove 31 in size, and two ends of the sliding groove 31 penetrate through the inner side and the outer side of the connecting ring 3, so that the structural design is reasonable, and the expansion block 4 can be conveniently mounted on and dismounted from the connecting ring 3.

Can promote the carriage release lever 6 through first actuating mechanism 8 and remove to go-between 3, thereby make the lateral wall of round platform top 7 support and lean on the inner wall that expands piece 4 to make expansion piece 4 along the radial outside removal of go-between 3, can prop up the tip of spring 120 from inside to outside tight, the tolerance of adaptation spring 120 that can be good is fixed spring 120 with firm, accessible second actuating mechanism 9 drives the rotating tube 2 and rotates after fixing spring 120, thereby drive spring 120 and rotate, convenient even fat liquoring is carried out to the outside of spring 120, structural design is reasonable, effectively improve the efficiency of spring fat liquoring, reduce the operation degree of difficulty.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, but rather as the intention of all modifications, equivalents, improvements, and equivalents falling within the spirit and scope of the utility model.

Claims

1. The utility model provides a spring positioning mechanism, includes backup pad (1), its characterized in that, install rotating tube (2) through bearing frame (11) horizontally rotation in backup pad (1), the coaxial welding of one end of rotating tube (2) has go-between (3), go-between (3) deviate from evenly be provided with a plurality of spouts (31) on the terminal surface of rotating tube (2), every equal sliding connection has slider (41) in spout (31), slider (41) are followed the radial slip of go-between (3), every equal rigid coupling has expansion piece (4) on slider (41), all the inner wall combination of expansion piece (4) forms a toper chamber (5), the major diameter end orientation of toper chamber (5) go-between (3), coaxial activity in rotating tube (2) is provided with carriage release lever (6), the one end of carriage release lever (6) is rotated and is connected with round platform top (7), the moving rod (6) can move towards the connecting ring (3) so as to drive the side wall of the circular truncated cone top (7) to abut against the inner wall of the expansion block (4), so that the expansion block (4) slides outwards along the radial direction of the connecting ring (3), and a first driving mechanism (8) and a second driving mechanism (9) are mounted on the supporting plate (1) and used for driving the moving rod (6) to move along the axial direction of the rotating pipe (2) and driving the rotating pipe (2) to rotate.

2. The spring positioning mechanism according to claim 1, wherein the circular truncated cone top head (7) is coaxially arranged with the moving rod (6), a fixing ring (71) is welded at the large-diameter end of the circular truncated cone top head (7), a bearing (72) is embedded in the fixing ring (71), and the end of the moving rod (6) is embedded in the inner ring of the bearing (72).

3. The spring positioning mechanism according to claim 1, wherein the outer walls of all the expansion blocks (4) are combined to form a cylindrical surface, the outer wall of the expansion block (4) is provided with an installation groove (42), all the installation grooves (42) are combined to form an annular groove (10), and the annular groove (10) is sleeved with an elastic rubber ring (110).

4. The spring positioning mechanism according to claim 1, wherein the first driving mechanism (8) comprises an air cylinder (81) and a floating joint (82), the air cylinder (81) is fixedly mounted on the supporting plate (1) through a mounting seat, and a piston rod of the air cylinder (81) is connected with one end of the moving rod (6) far away from the circular truncated cone top head (7) through the floating joint (82).

5. The spring positioning mechanism according to claim 1, wherein the second driving mechanism (9) comprises a motor (91), a first belt wheel (92), a second belt wheel (93) and a transmission belt (94), the motor (91) is fixedly mounted on the support plate (1), the first belt wheel (92) is sleeved on an output shaft of the motor (91), the second belt wheel (93) is sleeved on the rotating tube (2), and the first belt wheel (92) is in transmission connection with the second belt wheel (93) through the transmission belt (94).

6. The spring positioning mechanism according to claim 1, wherein the sliding slot (31) is a T-shaped sliding slot, the sliding block (41) is matched with the sliding slot (31) in size, and two ends of the sliding slot (31) penetrate through the inner side and the outer side of the connecting ring (3).