CN211965771U

CN211965771U - Thread rolling machine

Info

Publication number: CN211965771U
Application number: CN202020631841.3U
Authority: CN
Inventors: 陈炬; 石亮亮; 周煜天
Original assignee: Zhejiang Wanfulong Fastening System Co ltd
Current assignee: Zhejiang Wanfulong Fastening System Co ltd
Priority date: 2020-04-23
Filing date: 2020-04-23
Publication date: 2020-11-20
Anticipated expiration: 2030-04-23

Abstract

The utility model relates to a thread rolling machine relates to the technical field of screw rod processing, including thread rolling frame, forming roll, and there is the processing passageway that is used for processing the work piece between two forming rolls, one side that the thread rolling frame is close to the forming roll is provided with the work or material rest, is provided with feed arrangement on the work or material rest, and feed arrangement includes blowing groove, promotion subassembly, and the blowing groove is "V" shape, and the blowing groove bottom is provided with the arc wall that is used for spacing work piece, and the top of arc wall is provided with spacing subassembly. The utility model discloses the during operation, two forming rolls rotate towards the equidirectional, put into the arc wall with the work piece and carry on spacingly to the lower part of work piece, later carry on spacingly through spacing subassembly to the upper portion of work piece, then push the work piece to the processing passageway between two forming rolls under the effect that promotes the subassembly, accomplish the thread rolling under the effect of two forming rolls, reduced rocking that the work piece adds man-hour, still reduced the condition of work piece skew to the quality of work piece has been improved.

Description

Thread rolling machine

Technical Field

The utility model belongs to the technical field of the technique of screw rod processing and specifically relates to a thread rolling machine is related to.

Background

The thread rolling machine is a multifunctional cold extrusion forming machine tool, and can perform thread, straight line, cross grain rolling and other processing on a workpiece in a cold state within the range of rolling force of the thread rolling machine; rolling straight teeth, helical teeth and helical spline gears; straightening, reducing, roll finishing and various forming and rolling. The cold rolling process is an advanced non-cutting process, can effectively improve the internal and surface quality of the workpiece, and can obviously improve the fatigue strength and the torsional strength of the workpiece due to the radial compressive stress generated during processing, thereby being an ideal process with high efficiency, energy saving and low consumption.

At present, the patent of publication No. CN110586818A discloses a screw rod thread rolling machine, including feed mechanism, feed mechanism's one end fixed mounting has the storage case, feed mechanism's upper end fixed mounting has the unloading dog, the one end that the unloading dog is close to the storage case has been seted up the ejection of compact and has been led to the groove, the one end fixed mounting that the ejection of compact led to the groove is kept away from to the unloading dog has the material loading passageway, fixed mounting has the material loading cylinder on the material loading passageway, fixed mounting has the ejection of compact ejector pad on the material loading cylinder, feed mechanism's one end fixed mounting has the thread rolling frame, movable mounting has two forming rolls in the thread rolling frame.

During operation, a workpiece to be processed is placed on the discharging through groove, and enters the forming roller to be processed under the driving of the discharging push block driven by the feeding cylinder on the discharging through groove.

The technical scheme has the following defects: under the drive of material loading cylinder and ejection of compact ejector pad, the work piece can get into the processing passageway between two shaping rollers slowly, when the work piece just got into the processing passageway, owing to receive the squeezing action of two shaping rollers, the work piece can take place certain rocking, consequently can lead to screw thread processing skew position to reduce the quality of work piece.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a thread rolling machine carries on spacingly through the lower part of arc wall to the work piece to carry on spacingly through the upper portion of spacing subassembly to the work piece, thereby reduce rocking that the work piece produced man-hour, reduce the skew of work piece, thereby improve the quality of work piece.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a thread rolling machine, includes the thread rolling frame and sets up two shaping rollers in the thread rolling frame, and two there is the processing passageway that is used for processing the work piece between the shaping roller, the thread rolling frame is close to one side of shaping roller is provided with the work or material rest, it is provided with feed arrangement on the work or material rest to go up, feed arrangement is including setting up the blowing groove, the setting that are used for the blowing on the work or material rest are in the promotion subassembly that just is used for promoting the work piece on the work or material rest, the transversal "V" shape of personally submitting of blowing groove, just blowing groove bottom is provided with the arc wall that is used for spacing work piece, the top of arc wall is provided with spacing subassembly.

Through adopting above-mentioned technical scheme, in operation, two forming rolls rotate towards the same direction, the work piece that will treat processing is placed in the blowing groove, and put into the arc wall with the work piece and carry on spacingly to the lower part of work piece, later carry on spacingly through spacing subassembly to the upper portion of work piece, then push the work piece to the processing passageway between two forming rolls under the effect that promotes the subassembly in, accomplish the thread rolling under the effect of two forming rolls, the rocking of work piece man-hour has been reduced, the condition of work piece skew has still been reduced, thereby the quality of work piece has been improved.

The utility model discloses can further configure to in a preferred example, spacing subassembly includes fixed mounting and is in stopper on the blowing groove, just the stopper is located the top of arc wall, the transversal "V" of personally submitting of stopper appears, just the stopper with the spacing groove has been seted up on the relative position of arc wall.

Through adopting above-mentioned technical scheme, carry on spacingly through the spacing groove to the upper portion of work piece, through the cooperation with the arc wall, spacing the work piece in the blowing groove to rocking when reducing the work piece thread rolling has reduced the condition of work piece skew, thereby has improved the quality of work piece.

The utility model discloses can further configure to in a preferred example, spacing subassembly is including setting up go up a plurality of gyro wheels on the work or material rest, just the gyro wheel is located the top of arc wall, just the wheel face and the work piece looks butt of gyro wheel.

Through adopting above-mentioned technical scheme, carry on spacingly through the gyro wheel to the upper portion of work piece, cooperation arc wall's effect can be spacing the work piece in the blowing groove, simultaneously because the gyro wheel is rotatable, consequently can reduce the frictional force to the work piece in transportation process, reduced the wearing and tearing to the work piece, the gyro wheel is spacing to work piece upper portion.

The utility model discloses can further configure to in a preferred example, it is used for the adjustment to go up to be provided with on the work or material rest adjusting part of gyro wheel height, adjusting part is including setting up last being used for the installation of going up on the work or material rest the installation piece, two of gyro wheel rotate the installation on last work or material rest and wear to establish the installation piece and with installation piece threaded connection and be the lifter and the setting of vertical setting and be in just be used for the drive on going up the work or material rest lifter pivoted drive assembly, and two the lifter is located respectively the both ends of pay-off direction are followed to the installation piece.

Through adopting above-mentioned technical scheme, rotate through drive assembly drive lifter to drive the installation piece and move along vertical direction, thereby realize the lift of gyro wheel, thereby adapt to not unidimensional work piece, improved the suitability.

The utility model discloses can further configure to in a preferred example, drive assembly is including setting up worm wheel, rotation on the lifter set up go up on the work or material rest and with worm wheel meshing's worm and setting are in the runner of worm one end, the worm has two sections helical teeth, and two sections helical teeth mesh with the worm wheel on two lifters respectively mutually.

Through adopting above-mentioned technical scheme, when the height of needs adjustment gyro wheel, rotate the runner, drive the worm and rotate, because two helical tooth and two worm wheel meshes on the worm, consequently the worm can drive two worm wheel rotations to make two lifter rotate, thereby realize the lift of installation piece, simple structure, convenient operation.

The utility model discloses can further configure to in a preferred example, promote the subassembly including setting up last push cylinder of work or material rest and set up the promotion post on pushing cylinder piston rod, just the flexible direction of pushing cylinder piston rod is unanimous with the direction of feed, just it can stretch into to promote the post in the arc wall.

Through adopting above-mentioned technical scheme, the piston rod through promoting the cylinder drives and promotes the post towards the shaping roller direction motion for the people promotes the post and can promote the work piece and carry toward the processing passageway along the blowing groove, after the work piece contacted two shaping rollers, can advance under the effect of two shaping rollers, has reduced the artifical condition that promotes the work piece with the hand, has improved the security.

The utility model discloses can further configure to in a preferred example, fixed being provided with the screw thread post on the piston rod of promotion cylinder, just be provided with on the promotion post with screw thread post matched with mounting groove.

Through adopting above-mentioned technical scheme, drive through the cylinder and promote the post and promote the work piece, make advancing of work piece more stable, but also can change the promotion post of suitable size according to the size of different work pieces to through threaded connection's mode, the dismouting of being convenient for.

The utility model discloses can further configure to in a preferred example, be provided with cooling module in the thread rolling frame, cooling module is including setting up in the thread rolling frame and being located the cooling tube of forming roll top, setting are close to the shower head of forming roll one end at the cooling tube, just logical coolant oil in the cooling tube.

Through adopting above-mentioned technical scheme, the cooling oil has high boiling characteristic, sensitive heat balance ability and superstrong heat-transfer ability, can carry out timely cooling to the work piece, ensures the quality of work piece, compares in addition that the water-cooling cost is lower.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the two forming rollers rotate towards the same direction under the driving of the driving motor, a workpiece to be machined is placed in the feeding groove, the workpiece is placed in the arc-shaped groove to limit the lower part of the workpiece, then the upper part of the workpiece is limited through the limiting assembly, the workpiece is pushed to a machining channel between the two forming rollers under the action of the pushing assembly, thread rolling is completed under the action of the two forming rollers, the shaking of the workpiece during machining is reduced, the condition of workpiece deviation is also reduced, and therefore the quality of the workpiece is ensured;

2. the lifting rod is driven to rotate through the driving assembly, so that the mounting block is driven to move along the vertical direction, the roller is lifted, workpieces of different sizes are adapted, the upper portion of the workpieces is limited through the roller, the workpieces can be limited in the discharging groove under the action of the arc-shaped groove, friction force to the workpieces can be reduced, and abrasion to the workpieces is reduced.

Drawings

Fig. 1 is a schematic overall structure diagram of a first embodiment of the present invention;

fig. 2 is a schematic structural view of a feeding frame according to an embodiment of the present invention;

fig. 3 is a schematic overall structure diagram of a second embodiment of the present invention;

fig. 4 is a schematic structural diagram of a feeding frame according to an embodiment of the present invention.

Reference numerals: 1. a thread rolling machine frame; 2. a forming roller; 3. processing a channel; 4. a feeding frame; 41. a discharging groove; 411. an arc-shaped slot; 421. a push cylinder; 422. pushing the column; 4221. connecting columns; 5. a piston rod; 51. a threaded post; 61. a cooling tube; 62. a shower head; 71. a limiting block; 81. a roller; 811. installing a shaft; 9. a mounting seat; 91. mounting blocks; 92. a lifting rod; 93. a drive assembly; 931. a worm gear; 932. a worm; 9321. helical teeth; 933. a rotating wheel.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The first embodiment is as follows:

referring to fig. 1, a thread rolling machine comprises a thread rolling machine frame 1 and two forming rollers 2, wherein the thread rolling machine frame 1 is fixedly installed on the ground, the two forming rollers 2 are both rotatably installed on the thread rolling machine frame 1, the length directions of the forming rollers 2 are parallel to the length direction of the thread rolling machine frame 1, and a processing channel 3 for processing a workpiece is arranged between the two forming rollers 2. The thread rolling machine frame 1 is fixedly provided with a driving motor which drives the two forming rollers 2 to rotate.

The fixed work or material rest 4 that is provided with in one side that the thread rolling frame 1 is close to processing passageway 3, be provided with feed arrangement on the work or material rest 4, feed arrangement includes blowing groove 41, the pushing component, blowing groove 41 fixed mounting is on work or material rest 4, and the length direction of blowing groove 41 is unanimous with feed direction, the transversal "V" shape of personally submitting of blowing groove 41, and the arc 411 that is used for spacing work piece is offered to blowing groove 41 bottom, and the arc 411 is seted up along the length direction of blowing groove 41, still be provided with spacing subassembly on the blowing groove 41.

The limiting assembly comprises a limiting block 71, the limiting block 71 is welded on the discharging groove 41, the limiting block 71 is located right above the arc-shaped groove 411, the cross section of the limiting block 71 is inverted V-shaped, and the position of the limiting block 71 opposite to the arc-shaped groove 411 is provided with an arc-shaped limiting groove.

Referring to fig. 1 and 2, the pushing assembly includes a pushing cylinder 421 and a pushing column 422, the pushing cylinder 421 is fixedly mounted on the feeding frame 4, a piston rod 5 of the pushing cylinder 421 extends into the arc-shaped slot 411, and the extending direction of the piston rod 5 of the pushing cylinder 421 is consistent with the feeding direction. The piston rod 5 of the pushing cylinder 421 is fixedly provided with a threaded column 51, the pushing column 422 is integrally provided with a connecting column 4221, and the connecting column 4221 is provided with a mounting groove matched with the threaded column 51.

Still be provided with cooling module on the thread rolling frame 1, cooling module includes cooling tube 61 and shower head 62, and cooling tube 61 fixed mounting is on thread rolling frame 1, and cooling tube 61 is located the top of forming roll 2, and the one end that forming roll 2 was kept away from to cooling tube 61 is linked together with the oil transportation equipment. The shower head 62 is fixedly mounted on the end portion of the cooling pipe 61 close to one end of the forming roller 2, cooling oil is introduced into the cooling pipe 61, and the cooling oil is sprayed out from the shower head 62 to cool the forming roller 2 and the workpiece.

The working principle of the embodiment is as follows:

during operation, two forming rollers 2 rotate towards opposite direction under driving motor's drive, place the work piece of treating processing in storage tank 41, and put into arc wall 411 with the work piece and carry on spacingly to the lower part of work piece, later spacing through spacing groove to the upper portion of work piece, then push the work piece to the processing passageway 3 between two forming rollers 2 under the effect of pushing cylinder 421 and push post 422, after the work piece contacted two forming rollers 2, can continue to advance under the effect of two forming rollers 2 to accomplish the thread rolling under the effect of two forming rollers 2.

Example two:

referring to fig. 3 and 4, the difference between the embodiment and the embodiment of the thread rolling machine is that the limiting assembly includes a plurality of rollers 81, which are three in the embodiment, an installation shaft 811 is rotatably installed on one side of each roller 81, the installation shaft 811 is arranged on the upper material frame 4, the rollers 81 are located above the arc-shaped grooves 411, the three rollers 81 are arranged at intervals along the feeding direction, and the surfaces of the rollers 81 abut against the workpiece.

Go up fixed mount pad 9 that is provided with on work or material rest 4, be provided with the adjusting part who is used for adjusting the gyro wheel 81 height on the mount pad 9, adjusting part includes installation piece 91, lifter 92 and drive assembly 93, lifter 92 is provided with two, lifter 92 is vertical setting, and two lifters 92 all rotate and install on mount pad 9, in addition, lifter 92 surface an organic whole is provided with the external screw thread, installation piece 91 sets up on lifter 92, and two lifters 92 pass the both ends of installation piece 91 respectively and with installation piece 91 threaded connection. The other end of the mounting shaft 811 remote from the roller 81 is fixedly attached to the mounting block 91.

The driving assembly 93 comprises a worm wheel 931, a worm 932 and a rotating wheel 933, the worm wheel 931 is fixedly installed at the bottom end of the lifting rod 92, the worm 932 is rotatably installed on the installation seat 9, the length direction of the worm 932 is consistent with the feeding direction, two ends of the length direction of the worm 932 are respectively provided with a helical tooth 9321, and two segments of helical teeth 9321 are respectively meshed with the two worm wheels 931. One end of the worm 932 penetrates out of the mounting seat 9, and the rotating wheel 933 is fixedly mounted on the end part of one end of the worm 932 penetrating out of the mounting seat 9.

The working principle of the embodiment is as follows:

when the device works, the two forming rollers 2 are driven by the driving motor to rotate towards opposite directions, a workpiece to be machined is placed in the material accommodating groove 41, the workpiece is placed in the arc-shaped groove 411 to limit the lower part of the workpiece, then the upper part of the workpiece is limited through the roller 81, when the height of the roller 81 needs to be adjusted, the rotating wheel 933 is rotated to drive the worm 932 to rotate, the two worm wheels 931 can be driven by the worm 932 to rotate due to the fact that the two spiral teeth 9321 on the worm 932 are meshed with the two worm wheels 931, the two worm wheels 931 can be driven by the worm 932 to rotate, the two lifting rods 92 are rotated, the installation block 91 is lifted, the roller 81 is driven to vertically move to adapt to workpieces with different sizes, then the workpiece is pushed into the machining channel 3 between the two forming rollers 2 under the action of the pushing cylinder 421 and the pushing column 422, and when the workpiece contacts the two forming rollers 2, the workpiece can continuously advance under the action of the two forming, and the thread rolling is completed under the action of the two forming rollers 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. The utility model provides a thread rolling machine, includes thread rolling frame (1) and sets up two forming roll (2) on thread rolling frame (1), and two there is processing passageway (3) that are used for processing the work piece between forming roll (2), its characterized in that: the thread rolling machine is characterized in that a feeding frame (4) is arranged on one side, close to the forming roller (2), of the thread rolling machine frame (1), a feeding device is arranged on the feeding frame (4), and comprises a discharging groove (41) used for discharging materials and arranged on the feeding frame (4), and a pushing assembly used for pushing a workpiece, the cross section of the discharging groove (41) is V-shaped, an arc-shaped groove (411) used for limiting the workpiece is arranged at the bottom of the discharging groove (41), and a limiting assembly is arranged above the arc-shaped groove (411).

2. A screw rolling machine according to claim 1, characterized in that: the limiting assembly comprises a limiting block (71) fixedly mounted on the discharging groove (41), the limiting block (71) is located above the arc-shaped groove (411), the cross section of the limiting block (71) is inverted V-shaped, and the limiting block (71) and the arc-shaped groove (411) are opposite in position to form a limiting groove.

3. A screw rolling machine according to claim 1, characterized in that: the limiting assembly comprises a plurality of idler wheels (81) arranged on the feeding frame (4), the idler wheels (81) are located above the arc-shaped groove (411), and the wheel surfaces of the idler wheels (81) are abutted to the workpiece.

4. A screw rolling machine according to claim 3, wherein: go up the work or material rest (4) and be provided with the adjusting part that is used for the adjustment gyro wheel (81) height, the adjusting part is including setting up last work or material rest (4) are used for the installation piece (91), two rotation installation on last work or material rest (4) and wear to establish installation piece (91) and with installation piece (91) threaded connection and be lifter (92) and the setting of vertical setting and be in go up work or material rest (4) are gone up and are used for the drive lifter (92) pivoted drive assembly (93), and two lifter (92) are located respectively installation piece (91) are along the both ends of pay-off direction.

5. A screw rolling machine according to claim 4, characterized in that: the driving assembly (93) comprises a worm wheel (931) arranged on the lifting rod (92), a worm (932) which is rotatably arranged on the feeding frame (4) and meshed with the worm wheel (931), and a rotating wheel (933) arranged at one end of the worm (932), wherein the worm (932) is provided with two sections of spiral teeth (9321), and the two sections of spiral teeth (9321) are respectively meshed with the worm wheels (931) on the two lifting rods (92).

6. A screw rolling machine according to claim 1, characterized in that: the pushing assembly comprises a pushing cylinder (421) arranged on the feeding frame (4) and a pushing column (422) arranged on a piston rod (5) of the pushing cylinder (421), the stretching direction of the piston rod (5) of the pushing cylinder (421) is consistent with the feeding direction, and the pushing column (422) can stretch into the arc-shaped groove (411).

7. A screw rolling machine according to claim 6, characterized in that: the piston rod (5) of the pushing cylinder (421) is fixedly provided with a threaded column (51), and the pushing column (422) is provided with a mounting groove matched with the threaded column (51).

8. A screw rolling machine according to claim 1, characterized in that: be provided with cooling module on thread rolling frame (1), cooling module is including setting up on thread rolling frame (1) and being located cooling tube (61) of forming roll (2) top, setting are close to shower head (62) of forming roll (2) one end in cooling tube (61), just logical cooling oil in cooling tube (61).