CN210059345U

CN210059345U - Universal transmission shaft fixing device for transmission of forming machine

Info

Publication number: CN210059345U
Application number: CN201920546326.2U
Authority: CN
Inventors: 王进
Original assignee: Nanjing Qianlei Cold Formed Steel Co Ltd
Current assignee: Nanjing Qianlei Cold Formed Steel Co Ltd
Priority date: 2019-04-20
Filing date: 2019-04-20
Publication date: 2020-02-14
Anticipated expiration: 2029-04-20

Abstract

The utility model relates to a be used for driven universal drive shaft fixing device of make-up machine, including the frame, be provided with the reducing gear box in the frame, be connected with universal drive shaft on the output shaft of reducing gear box, swivelling joint has the centre gripping arm in the frame, the rotation plane of centre gripping arm vertical and with the coincidence of the vertical face in universal drive shaft axis place, the free end swivelling joint of centre gripping arm has the supporting rack of U-shaped, the shape of supporting rack cooperatees with universal drive shaft's shape, is provided with rotary mechanism in the frame, is provided with adapting unit on the supporting. The user controls the supporting arm to rotate to the horizontal position through the rotating mechanism, and the end part of the idle universal transmission shaft is rotatably connected onto the supporting frame through the connecting part, so that even if the universal transmission shaft rotates because the reduction gearbox is still in a transmission system of the forming machine, the universal transmission shaft cannot be continuously twisted due to the action of gravity, the mutual impact of all combined parts of the universal transmission shaft is avoided, and the service life of the universal transmission shaft is effectively prolonged.

Description

Universal transmission shaft fixing device for transmission of forming machine

Technical Field

The utility model belongs to the technical field of transmission's technique and specifically relates to a be used for driven universal drive shaft fixing device of make-up machine.

Background

Current molding machines typically include a plurality of forming rolls for the cold-bent material, with the user transporting and processing the material by rotation of the forming rolls. The common transmission mode of the forming machine comprises chain and chain wheel transmission or universal transmission shaft transmission, and the universal transmission shaft transmission can be matched with a speed reducer arranged corresponding to the forming press roller for use, can be used for forming and processing all products, and is wide in application.

The utility model discloses a roll-in secondary forming unit transmission system is disclosed in present utility model patent document with grant publication number CN208575100U, and direct current motor passes through the double speed gearbox and realizes two kinds of production speed fast, slowly, and the double speed gearbox turns to power through the bevel gear from output shaft both ends and passes to the case of hard flank of tooth speed, passes to frame horizontal roller through universal drive shaft at last. The transmission system can output different speeds simultaneously by combining the gearbox and the main gearbox into a whole, so that the working efficiency of the unit is improved.

The above prior art solutions have the following drawbacks: all roll shafts are driven to rotate by the direct current motor in a unified mode, in the actual production process, all roll shafts do not participate in the material processing process according to processing requirements, the roll shafts which do not participate in the material processing process can be detached from the rack, and the corresponding reduction gearbox and the universal transmission shaft can still rotate. Because the universal transmission shaft is composed of two shafts connected through a cross-shaped universal joint, the universal transmission shaft which does not participate in the processing process can be continuously twisted, the two shafts are easy to mutually impact, and the service life of the universal transmission shaft is damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a be used for make-up machine driven universal drive shaft fixing device can guarantee the universal drive shaft level when universal drive shaft is idle, avoids universal drive shaft's constitution axle striking each other.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: a universal transmission shaft fixing device for transmission of a forming machine comprises a rack, wherein a reduction gearbox is arranged on the rack, a universal transmission shaft is connected onto an output shaft of the reduction gearbox, a clamping arm is rotatably connected onto the rack, a rotating plane of the clamping arm is vertical and coincides with a vertical plane where an axis of the universal transmission shaft is located, a U-shaped supporting frame is rotatably connected to the free end of the clamping arm, the shape of the supporting frame is matched with that of the universal transmission shaft, a rotating mechanism used for controlling the rotation of the clamping arm is arranged on the rack, and a connecting part used for rotatably connecting the universal transmission shaft onto the supporting frame is arranged on the supporting frame.

Through adopting above-mentioned technical scheme, the user passes through rotary mechanism control support arm and rotates to horizontal position to through adapting unit with idle universal drive shaft's tip swivelling joint on the supporting rack, even make universal drive shaft still rotatory because the reducing gear box is in the transmission system of make-up machine, also can not be because of the effect of gravity constantly wrench movement, avoid each combination part of universal drive shaft to strike each other, effectively prolong universal drive shaft's life.

The utility model discloses further set up to: rotary mechanism includes the pole of increaseing of sliding with the frame along vertical direction and being connected, the pole of increaseing is L shape setting, be provided with the waist shape hole that runs through the centre gripping arm along centre gripping arm axis direction on the centre gripping arm, the tip of increaseing the pole is provided with the sliding member that passes waist shape hole, be provided with in the frame and be used for the drive to increase the sliding member that the pole slided along vertical direction.

Through adopting above-mentioned technical scheme, the user increases the pole through the drive of sliding part and slides along vertical to, and the sliding part upwards inwards slides in waist shape is downthehole, drives the centre gripping arm rotation, and the drive is convenient.

The utility model discloses further set up to: the sliding component comprises a screw rod which is rotatably connected to the rack along the vertical direction, and the end part of the heightening rod, far away from the sliding component, is in threaded connection with the screw rod.

Through adopting above-mentioned technical scheme, the user drive screw is rotatory, drives through threaded connection and increases the pole and slide along vertical to, and the drive is convenient and as long as the screw rod irrotational, increases the high definite of pole, and the angle of centre gripping arm is confirmed.

The utility model discloses further set up to: the connecting part comprises a clamping jaw hinged to the side edge of the supporting frame, the shape of the clamping jaw is matched with that of the universal transmission shaft, a rubber buckle in an opening shape is fixed at the free end of the clamping jaw, a clamping block is fixed on the supporting frame corresponding to the buckle, and the clamping jaw and the supporting frame encircle the universal transmission shaft and are rotatably connected with the universal transmission shaft when the buckle and the clamping block are embedded.

Through adopting above-mentioned technical scheme, the user places universal drive shaft on the supporting rack, rotatory clamping jaw to clamping jaw and supporting rack encircle universal drive shaft and with universal drive shaft swivelling joint to fixed connection can be dismantled in the gomphosis realization through fixture block and rubber buckle, neither influence universal drive shaft rotation, also guarantee universal drive shaft level all the time.

The utility model discloses further set up to: the universal transmission shaft is composed of a first rotating shaft, a universal joint and a second rotating shaft, the first rotating shaft and the second rotating shaft are connected through the universal joint, and the first rotating shaft is fixedly connected with an output shaft of the reduction gearbox.

By adopting the technical scheme, the first rotating shaft and the second rotating shaft can rotate relatively at will, and the driving force can be stably transmitted even if the relative angle changes, so that the requirement of a transmission system of a forming machine is met.

The utility model discloses further set up to: the detachable sleeve is provided with a limiting ring on the second rotating shaft, and annular grooves are formed in the clamping jaw and the supporting frame and correspond to the limiting ring.

Through adopting above-mentioned technical scheme, when second pivot and clamping jaw and supporting rack swivelling joint, spacing ring and annular gomphosis further guarantee the connection stability of second pivot and supporting rack, guarantee the supporting effect.

The utility model discloses further set up to: and a lubricating oil layer is coated in the ring groove.

Through adopting above-mentioned technical scheme, the lubricated oil reservoir can reduce the frictional force between annular and the spacing ring, guarantees that universal drive shaft can normal rotation, avoids wearing and tearing each other simultaneously.

The utility model discloses further set up to: the sliding piece is connected with the end part of the heightening rod in a rotating mode, and the sliding piece is arranged in a cylindrical mode.

Through adopting above-mentioned technical scheme, the rotation when the sliding part removes in waist shape hole effectively reduces the frictional force between sliding part and the waist shape hole, avoids sliding part and waist shape hole wearing and tearing each other, guarantees that the rotation of centre gripping arm is smooth and easy.

To sum up, the utility model discloses a beneficial technological effect does:

1. the impact of each part in the idle universal transmission shaft can be avoided, and the service life of the universal transmission shaft is lost;

2. the supporting effect on the universal transmission shaft is stable, and the universal transmission shaft is always horizontal.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural view of the rotating mechanism of the present invention.

Fig. 3 is a schematic structural view of the connecting member of the present invention.

Fig. 4 is a schematic structural view of the universal transmission shaft of the present invention.

In the figure, 1, a frame; 11. a reduction gearbox; 2. a universal drive shaft; 21. a first rotating shaft; 22. a universal joint; 23. a second rotating shaft; 24. a limiting ring; 3. a clamp arm; 31. a waist-shaped hole; 32. a sliding member; 33. a height adjusting rod; 34. a screw; 4. a support frame; 41. a clamping jaw; 411. a rubber buckle; 42. a clamping block; 43. a ring groove; 431. lubricating the oil layer.

Detailed Description

The present invention will be described in further detail with reference to the accompanying fig. 1-4.

Referring to fig. 1, for the utility model discloses a be used for 2 fixing device of driven universal transmission shaft of make-up machine, which comprises a frame 1, be provided with reducing gear box 11 in the frame 1, be connected with universal transmission shaft 2 on reducing gear box 11's the output shaft, swivelling joint has centre gripping arm 3 in the frame 1, centre gripping arm 3's the plane of rotation is vertical and with the coincidence of the vertical face in universal transmission shaft 2 axis place, centre gripping arm 3 sets up with universal transmission shaft 2 relatively, refer to fig. 2, centre gripping arm 3's free end swivelling joint has the supporting rack 4 of U-shaped, the shape of supporting rack 4 cooperatees with universal transmission shaft 2's shape, it supplies user control centre gripping arm 3 rotatory to be provided with rotary mechanism in the frame 1, it supplies the user to.

When the forming roller on the forming machine corresponding to the universal transmission shaft 2 is removed because the forming roller does not participate in forming processing, a user controls the supporting arm to rotate to a horizontal position from a state of inclining downwards through the rotating mechanism, and the end part of the universal transmission shaft 2 is rotatably connected onto the supporting frame 4 through the connecting part, so that even if the universal transmission shaft 2 still rotates in a transmission system of the forming machine due to the reduction gearbox 11, the universal transmission shaft cannot be continuously twisted due to the action of gravity, the mutual impact of all combined parts of the universal transmission shaft 2 is avoided, and the service life of the universal transmission shaft 2 is effectively prolonged.

Referring to fig. 2, rotary mechanism includes along the vertical direction with the frame 1 slide the height-adjusting pole 33 of being connected, height-adjusting pole 33 is the setting of L shape, the vertical one end level of one end of height-adjusting pole 33, be provided with the waist shape hole 31 that runs through centre gripping arm 3 along the 3 axis direction of centre gripping arm on the centre gripping arm 3, height-adjusting pole 33's tip is provided with the sliding piece 32 that passes waist shape hole 31, be provided with the sliding part on the frame 1 and supply the user to control height-adjusting pole 33 along vertical to sliding. The user drives the heightening rod 33 to slide upwards through the sliding part, the sliding part 32 slides towards the rotary connection part of the clamping arm 3 and the rack 1 and drives the clamping arm 3 to rotate upwards, otherwise, the clamping arm 3 rotates downwards, the driving is convenient, and the supporting effect is good.

Referring to fig. 2, in order to ensure smooth movement of the sliding member 32, the sliding member 32 is disposed in a cylindrical shape and is rotatably connected to an end of the height-adjusting rod 33, and when the sliding member 32 slides along the kidney-shaped hole 31, the sliding member 32 rotates, so that mutual abrasion between the sliding member 32 and the kidney-shaped hole 31 is reduced, and the service life of the fixing device is prolonged.

Referring to fig. 2, the sliding part includes screw 34 along vertical direction swivelling joint in frame 1, the tip and the screw 34 threaded connection of sliding 32 are kept away from to height adjusting pole 33, the top of screw 34 is connected with the motor, the user passes through motor drive screw 34 and rotates, drive height adjusting pole 33 through threaded connection and move along vertical, as long as the motor does not rotate, because the screw thread auto-lock nature of screw 34, as long as screw 34 does not rotate, height adjusting pole 33 just can not change, guarantee the supporting effect to universal drive shaft 2.

Referring to fig. 4, the universal transmission shaft 2 is composed of a first rotating shaft 21, a universal joint 22 and a second rotating shaft 23, the first rotating shaft 21 and the second rotating shaft 23 are connected through the universal joint 22, the first rotating shaft 21 is fixedly connected with an output shaft of the reduction gearbox 11, and a limiting ring 24 is detachably sleeved on the second rotating shaft 23. Referring to fig. 3, the connecting part includes a clamping jaw 41 hinged on the side of the supporting frame 4, the shape of the clamping jaw 41 is matched with the universal transmission shaft 2, annular grooves 43 are arranged on the clamping jaw 41 and the supporting frame 4 corresponding to the limiting rings 24, the width of the annular grooves 43 is equal to that of the limiting rings 24, lubricating oil layers 431 are coated in the annular grooves 43, rubber buckles 411 in a mouth shape are fixed at the free ends of the clamping jaw 41, clamping blocks 42 are fixed on the supporting frame 4 corresponding to the buckles, and the clamping jaw 41 is rotatably connected with the universal transmission shaft 2 in an environment-friendly way of the supporting frame 4 and the universal transmission shaft 2.

The user places second pivot 23 on supporting rack 4, and spacing ring 24 inlays and establishes in annular 43, rotatory clamping jaw 41 makes second pivot 23 arrange in between clamping jaw 41 and supporting rack 4, and the gomphosis through rubber buckle 411 and fixture block 42 is together fixed with supporting rack 4 and clamping jaw 41, avoid second pivot 23 to drop from supporting rack 4 in the rotation process, and further guarantee the stability of being connected of second pivot 23 and supporting rack 4 through the gomphosis of spacing ring 24 and annular 43, thereby guarantee second pivot 23 horizontal rotation under the support of supporting rack 4, do not collide with first pivot 21, lubricated oil reservoir 431 avoids second pivot 23 and supporting rack 4 and clamping jaw 41 wearing and tearing each other simultaneously, effectively prolong the life of the device.

The implementation principle of the embodiment is as follows: user drive screw 34 is rotatory, it upwards slides to drive heightening pole 33 through threaded connection, slide 32 moves in waist shape hole 31 horizontal translation on one side the rotation, and drive centre gripping arm 3 upwards rotation to horizontal position, rotatory supporting rack 4 is to vertical position, place second pivot 23 on supporting rack 4, rotatory clamping jaw 41 makes second pivot 23 be located between clamping jaw 41, and fix clamping jaw 41 on supporting rack 4 through the gomphosis of rubber buckle 411 and fixture block 42, guarantee second pivot 23 because of the support of supporting rack 4 is level all the time, even universal drive shaft 2's the other end is unsettled when guaranteeing universal drive shaft 2 is driven rotatoryly by reducing gear box 11, first pivot 21 and second pivot 23 also can not strike each other, effectively protect universal drive shaft 2.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. Be used for driven universal drive shaft fixing device of make-up machine, including frame (1), be provided with reducing gear box (11) on frame (1), be connected with universal drive shaft (2), its characterized in that on the output shaft of reducing gear box (11): rotary connection has centre gripping arm (3) on frame (1), the rotatory plane of centre gripping arm (3) is vertical and with the coincidence of the vertical face in universal drive shaft (2) axis place, the free end swivelling joint of centre gripping arm (3) has supporting rack (4) of U-shaped, the shape of supporting rack (4) cooperatees with the shape of universal drive shaft (2), be provided with on frame (1) and be used for controlling the rotatory rotary mechanism of centre gripping arm (3), be provided with on supporting rack (4) and be used for with the adapting unit of universal drive shaft (2) swivelling joint on supporting rack (4).

2. The universal drive shaft fixture for a molding machine drive of claim 1, wherein: rotary mechanism includes along vertical direction and frame (1) the accent pole (33) of sliding and being connected, it is L shape setting to increase pole (33), be provided with waist shape hole (31) that run through centre gripping arm (3) along centre gripping arm (3) axis direction on centre gripping arm (3), the tip of heightening pole (33) is provided with sliding member (32) that pass waist shape hole (31), be provided with on frame (1) and be used for the drive to heighten pole (33) along the sliding member that vertical direction slided.

3. The universal drive shaft fixture for a molding machine drive of claim 2, wherein: the sliding component comprises a screw rod (34) which is connected to the rack (1) in a rotating mode in the vertical direction, and the end portion, far away from the sliding piece (32), of the height adjusting rod (33) is in threaded connection with the screw rod (34).

4. The universal drive shaft fixture for a molding machine drive of claim 1, wherein: connecting part is including articulating clamping jaw (41) in the side department of supporting rack (4), the shape and the universal drive shaft (2) of clamping jaw (41) cooperate, the free end of clamping jaw (41) is fixed with rubber buckle (411) of mouth shape, it is fixed with fixture block (42) to correspond the buckle on supporting rack (4), clamping jaw (41) and supporting rack (4) encircle universal drive shaft (2) and with universal drive shaft (2) swivelling joint during buckle and fixture block (42) gomphosis.

5. The universal drive shaft fixture for a molding machine drive of claim 4, wherein: the universal transmission shaft (2) is composed of a first rotating shaft (21), a universal joint (22) and a second rotating shaft (23), the first rotating shaft (21) and the second rotating shaft (23) are connected through the universal joint (22), and the first rotating shaft (21) is fixedly connected with an output shaft of the reduction gearbox (11).

6. The universal drive shaft fixture for a molding machine drive of claim 5, wherein: the detachable sleeve is provided with a limit ring (24) on the second rotating shaft (23), and ring grooves (43) are arranged on the clamping jaw (41) and the bearing frame (4) corresponding to the limit ring (24).

7. The universal drive shaft fixture for a molding machine drive of claim 6, wherein: the annular groove (43) is internally coated with a lubricating oil layer (431).

8. The universal drive shaft fixture for a molding machine drive of claim 2, wherein: the sliding piece (32) is rotatably connected with the end part of the height adjusting rod (33), and the sliding piece (32) is arranged in a cylindrical shape.