CN214161007U

CN214161007U - Magnetic suction tooth pressing device

Info

Publication number: CN214161007U
Application number: CN202022362016.0U
Authority: CN
Inventors: 梁耀; 梁军; 马勇; 张军; 杨坤
Original assignee: Hubei Mingtai Agricultural Machinery Co ltd
Current assignee: Hubei Mingtai electromechanical Co.,Ltd.
Priority date: 2020-10-21
Filing date: 2020-10-21
Publication date: 2021-09-10
Anticipated expiration: 2030-10-21

Abstract

The utility model relates to a magnetic suction tooth pressing device, which comprises a tooth pressing component, a driving component and a bracket, wherein the tooth pressing component comprises a tooth pressing driving gear, a tooth pressing driven gear, a slider, an adjusting screw, a fixed block and a rotating block, the fixed block is connected on the bracket, and a chute and a threaded hole are arranged on the fixed block; the number of the rotating blocks is two, the two rotating blocks are respectively positioned at one end in the sliding groove, and rotating holes are formed in the two rotating blocks; the number of the adjusting screw rods is two, the two adjusting screw rods are respectively in threaded fit with the threaded holes in the two fixed blocks, and one ends of the two adjusting screw rods are respectively connected with the two sliding blocks, so that the sliding blocks are driven to slide in the sliding grooves by utilizing the threaded transmission of the adjusting screw rods and the threaded holes. The utility model provides a magnetism is inhaled and is pressed tooth device can realize pressing the tooth from the driving wheel and press the adjustment of position between the tooth drive gear, and can protect wheel system subassembly and axis of rotation.

Description

Magnetic suction tooth pressing device

Technical Field

The utility model relates to the field of machining, especially, relate to a magnetism is inhaled and is pressed tooth device.

Background

With the increasing development of the mechanical processing industry, people have more requirements on the shape of products, such as bending long iron strips into folding teeth with wave crests and wave troughs, so as to meet the use requirements or the aesthetic requirements.

The existing long iron bar is bent into a folding tooth shape with wave crests and wave troughs, and the long iron bar is usually bent for multiple times by utilizing manpower or a bending machine. That is, the long iron bar is sequentially bent from one end toward the other end at equal intervals in order, and is processed into a shape having a plurality of peaks and valleys and being in a shape of a folded tooth.

However, when the long iron bar is bent manually or by a bending machine for multiple times, in the process of bending in sequence, the bending strength needs to be controlled consistently, and the bending strength needs to be switched for long iron bars with different thicknesses, which results in overhigh workload.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a magnetic suction pressure tooth device solves the problem that work load is too high when folding dentate long ironbar of current processing.

In order to achieve the above object, the utility model provides a technical scheme of technical problem provides a magnetic suction pressure tooth device, include: the gear pressing assembly comprises a gear pressing driving gear, a gear pressing driven gear, a sliding block, an adjusting screw rod, two fixing blocks and a rotating block, the two fixing blocks are connected to the support, and a sliding groove and a threaded hole are formed in the two fixing blocks; the two sliding blocks are respectively connected to two opposite sides of the tooth pressing driven gear, and are positioned in the sliding grooves and are in sliding fit with the sliding grooves; the number of the rotating blocks is two, the two rotating blocks are respectively positioned at one end in the sliding groove, and rotating holes are formed in the two rotating blocks; the number of the adjusting screws is two, the two adjusting screws are respectively in threaded fit with the threaded holes in the two fixed blocks, and one ends of the two adjusting screws are respectively connected with the two sliding blocks so as to drive the sliding blocks to slide in the sliding grooves by utilizing the threaded transmission of the adjusting screws and the threaded holes; an iron sheet is coated on the inner wall of the sliding chute, an electromagnet is arranged on the surface of the sliding block, which is in contact with the inner wall of the sliding chute, and the electromagnet is communicated with an external power supply; drive assembly includes driving motor, train subassembly and axis of rotation, driving motor reaches the train subassembly set up in on the support, just driving motor's output shaft pass through the band pulley with the input of train subassembly forms the transmission, the winding has first chain on the output of train subassembly, the one end winding of axis of rotation has the second chain, first chain with the second chain passes through the fixed pin and connects, the axis of rotation is kept away from the one end of second chain with the rotation hole normal running fit, and with it connects to press tooth drive gear.

Further, adjusting screw includes screw rod portion and connecting portion, screw rod portion with screw hole screw-thread fit, and with connecting portion rotate to be connected, connecting portion keep away from the one side of screw rod portion connect in on the slider.

Further, adjusting screw still includes the handle, the handle connect in the screw rod portion is kept away from the one end of connecting portion.

Furthermore, a rotating bearing is arranged in the rotating hole, and the rotating shaft is inserted into the rotating bearing.

Further, the train subassembly includes wheel system upper cover, gear train and train lower cover, the wheel system upper cover with the chamber is held in the formation of train lower cover lock, the gear train is located hold the intracavity, the output and the input of train subassembly all set up in on the gear train, just the input reaches the output expose in hold the chamber.

Further, the support is including the drive support, press tooth support and the feeding support that connect gradually, drive assembly set up in on the drive support, the fixed block sets up on pressing the tooth support.

Furthermore, a feeding groove is formed in the feeding support.

Furthermore, a positioning block is further arranged on the feeding support and is positioned above the feeding groove.

Further, place the board and the wheel train is placed the board including the motor on the drive support, driving motor connect in the motor is placed on the board, the wheel train subassembly connect in the wheel train is placed on the board.

Compared with the prior art, the utility model provides a magnetism is inhaled and is pressed tooth device has following beneficial effect:

through setting up the electro-magnet, can make the slider after sliding the assigned position, utilize the magnetic adsorption that the electro-magnet circular telegram produced, with spout inner wall relatively fixed to avoid pressing the in-process of tooth, pressing tooth driven gear and taking place to remove under reaction force. Meanwhile, the first chain and the second chain are arranged, so that the wheel train assembly and the rotating shaft can be protected when the hardness of the long iron strip is too high and teeth cannot be pressed.

Drawings

Fig. 1 is a schematic perspective view of a magnetic tooth pressing device according to a first embodiment of the present invention;

FIG. 2 is an exploded view of the tooth assembly of FIG. 1;

FIG. 3 is a schematic view of the position relationship between the adjusting screw and the fixing block in FIG. 2;

FIG. 4 is a schematic structural diagram of the driving assembly of FIG. 1;

FIG. 5 is a schematic structural view of the wheel train assembly of FIG. 4;

FIG. 6 is a schematic structural view of the stent of FIG. 1;

description of reference numerals: 10. a magnetic suction tooth pressing device; 20. a tooth pressing component; 30. a drive assembly; 40. a support; 21. a gear pressing driving gear; 22. a gear-pressing driven gear; 23. a slider; 24. adjusting the screw rod; 25. a fixed block; 26. rotating the block; 27. a rotating bearing; 241. a screw section; 242. a connecting portion; 243. a handle; 251. A chute; 252. a threaded hole; 261. rotating the hole; 31. a drive motor; 32. a gear train assembly; 33. a rotating shaft; 321. a first chain; 331. a second chain; 322. the wheel train is covered; 323. a gear set; 324. a gear train lower cover; 41. a drive bracket; 42. a tooth pressing support frame; 43. a feeding support frame; 411. a motor placing plate; 412. a gear train placing plate; 431. a feed chute; 432. and (5) positioning the blocks.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-6, the magnetic attraction tooth pressing device 10 of the present invention includes a tooth pressing assembly 20, a driving assembly 30 and a bracket 40, wherein the tooth pressing assembly 20 and the driving assembly 30 are both connected to the bracket 40, so as to support the tooth pressing assembly 20 and the driving assembly 30 by the bracket 40. The driving assembly 30 drives the pressing tooth assembly 20 to work, so that after the long iron strip is fed into the pressing tooth assembly 20, the long iron strip is extruded into a folding tooth shape with a plurality of wave crests and wave troughs by the pressing tooth assembly 20.

Specifically, the tooth pressing assembly 20 includes a tooth pressing driving gear 21, a tooth pressing driven gear 22, two sliding blocks 23, an adjusting screw 24, two fixing blocks 25 and a rotating block 26, the two fixing blocks 25 are connected to the bracket 40, a sliding groove 251 and a threaded hole 252 are formed in the two fixing blocks 25, the two sliding blocks 23 are respectively connected to two opposite sides of the tooth pressing driven gear 22, and the two sliding blocks 23 are located in the sliding groove 251 and are in sliding fit with the sliding groove 251. The number of the rotating blocks 26 is two, the two rotating blocks 26 are respectively located at one end of the sliding groove 251, a rotating hole 261 is formed in the two rotating blocks 26, and the driving assembly 30 is connected with the tooth pressing driving gear 21 through the rotating hole 261 so as to drive the tooth pressing driving gear 21 to rotate. The number of adjusting screw 24 is two, and two adjusting screw 24 respectively with two fixed block 25 on screw hole 252 screw-thread fit, and two adjusting screw 24's one end is connected with two sliders 23 respectively to when rotating adjusting screw 24, through adjusting screw 24 and the screw thread transmission of screw hole 252, drive slider 23 and slide in spout 251, thereby adjust the distance of pressing between tooth drive gear 21 and the pressure tooth driven gear 22, the long ironbar of the different thickness of adaptation. That is, when the long iron bar is subjected to the tooth pressing by the engagement of the tooth pressing drive gear 21 and the tooth pressing driven gear 22, the adjustment screw 24 is rotated to adjust the position of the slider 23 in the chute 251, that is, the distance between the tooth pressing driven gear 22 and the tooth pressing drive gear 21, according to the thickness of the long iron bar.

The cladding has the iron sheet (not seen in the figure) on the spout 251 inner wall, set up back electro-magnet (not seen in the figure) on the face that slider 23 and spout 251 inner wall contacted, electro-magnet and external power source intercommunication to produce magnetism and iron sheet when the electro-magnet circular telegram and adsorb, thereby after adjusting the distance between pressure tooth driven gear 22 and the pressure tooth drive gear 21, utilize the magnetic adsorption between electro-magnet and the iron sheet, fix the position of pressure tooth driven gear 22 in spout 251, also fix the relative position between pressure tooth driven gear 22 and the pressure tooth drive gear 21.

It can be understood that when the distance between the tooth pressing driving gear 21 and the tooth pressing driven gear 22 is adjusted, the tooth pressing driving gear 21 and the tooth pressing driven gear 22 are always engaged, and only the depth of engagement is adjusted.

It can be understood that after the distance between the tooth pressing driving gear 21 and the tooth pressing driven gear 22 is adjusted, and when the tooth pressing driving gear 21 and the tooth pressing driven gear 22 are used for matching to press teeth of the iron bar, since the tooth pressing driving gear 21 is required to drive the tooth pressing driven gear 22 to rotate, and the pressure required when the teeth of the iron bar are pressed is large, the relative fixation between the tooth pressing driving gear 21 and the tooth pressing driven gear 22 needs to be maintained. Since the position of the slider 23 in the slide groove 251 can be adjusted directly by the adjusting screw 24, the slider 23 can be slid by the power-on adsorption and power-off of the electromagnet without being interfered by external forces such as friction and clamping force when the slider 23 is slid and the slider 23 is not interfered by the friction and clamping force.

The driving assembly 30 includes a driving motor 31, a wheel train assembly 32 and a rotating shaft 33, the driving motor 31 and the wheel train assembly 32 are disposed on the bracket 40, and the output shaft of the driving motor 31 and the input end of the wheel train assembly 32 form transmission through a belt wheel, so as to realize the adjustment of the rotating speed of the output shaft of the driving motor 31 through the transmission ratio of the wheel train assembly 32. The winding has first chain 321 on the output of train wheel subassembly 32, and the winding has second chain 331 on the one end of axis of rotation 33, is connected through the fixed pin between first chain 321 and the second chain 331 to when the output of train wheel subassembly 32 rotates, drive second chain 331 through first chain 321 and rotate, thereby realize driving axis of rotation 33 and rotate. An end of the rotating shaft 33 remote from the second chain 331 is rotatably fitted to the rotating hole 261 and is connected to the tooth pressing drive gear 21 to rotate the tooth pressing drive gear 21 when the rotating shaft 33 rotates.

It can be understood that, through the transmission manner of the first chain 321 and the second chain 331, when the hardness of the iron bar is too high, and the teeth pressing driving gear 21 and the teeth pressing driven gear 22 cannot be matched to press the teeth, the rotating shaft 33 and the gear train assembly 32 are protected from being damaged due to too large reaction force. That is, when the hardness of the iron bar is too high, the first chain 321 and the second chain 331 break first to terminate the transmission, thereby protecting the gear train assembly 32 and the rotating shaft 33.

It is understood that the gear train assembly 32 is a reduction gear train, which may be composed of any gear mesh as long as the reduction of the rotation speed of the output shaft of the driving motor 31 can be achieved.

Further, the adjusting screw 24 includes a screw portion 241 and a connecting portion 242, the screw portion 241 is in threaded fit with the threaded hole 252 and is rotatably connected with the connecting portion 242, and a surface of the connecting portion 242 away from the screw portion 241 is connected to the slider 23, so that when the screw portion 241 rotates and is in threaded transmission with the threaded hole 252, the slider 23 is driven by the connecting portion 242 to slide in the sliding groove 251.

Further, the adjusting screw 24 further includes a handle 243, and the handle 243 is connected to an end of the screw portion 241 away from the connecting portion 242 to facilitate rotation of the screw portion 241 by the handle 243.

Further, a rotation bearing 27 is disposed in the rotation hole 261, and the rotation shaft 33 is inserted into the rotation bearing 27 to realize a rotation connection with the rotation hole 261.

Further, the gear train assembly 32 includes a gear train upper cover 322, a gear train 323 and a gear train lower cover 324, and the gear train upper cover 322 and the gear train lower cover 324 are fastened to form an accommodating cavity. The gear set 323 is located in the accommodating cavity, and the input end and the output end of the gear train assembly 32 are both disposed on the gear set 323 and exposed out of the accommodating cavity.

Further, the support 40 includes a driving support 41, a tooth pressing support 42 and a feeding support 43 which are connected in sequence, wherein the driving assembly 30 is arranged on the driving support 41, the fixing block 25 is connected to the tooth pressing support 42, and the feeding support 42 is used for placing a long iron bar so as to send the long iron bar into the tooth pressing assembly 20 for tooth pressing.

Further, a feeding groove 431 is formed in the feeding support frame 43, and the long iron bar is located in the feeding groove 431 and can slide in the feeding groove 431, so that the long iron bar can be fed to the tooth pressing assembly 20 through the feeding groove 431.

Further, the feeding support frame 43 is further provided with a positioning block 432, the positioning block is located above the feeding groove 431, so that when the long iron bar slides in the feeding groove 431, the long iron bar is positioned, and the position deviation of the long iron bar from the movement of the feeding groove 431 to the pressing tooth assembly 20 is avoided.

Further, the driving bracket 41 includes a motor placing plate 411 and a wheel train placing plate 412, the driving motor 31 is connected to the motor placing plate 411, and the wheel train assembly 32 is connected to the wheel train placing plate 412, so as to support the wheel train assembly 32 by the driving bracket 41.

It can be understood that the motor placing plate 411 and the gear train placing plate 412 are connected through angle steel, and can be connected into any shape as long as the driving motor 31 is located after the motor placing plate 411 and the gear train assembly 32 are located on the gear train placing plate 412, and transmission can be realized through the belt wheel.

The utility model discloses a theory of operation does: when the long iron bar needs to be pressed, the long iron bar is placed on the feeding support frame 43 and is pushed up to the tooth pressing assembly 20 from the feeding support frame 43, namely, between the tooth pressing driving gear 21 and the tooth pressing driven gear 22, then the driving motor 31 starts to work, the tooth pressing driving gear 21 is driven to rotate through the gear train assembly 32 and the output shaft, so that the tooth pressing driving gear 21 and the tooth pressing driven gear 22 press the long iron bar to form teeth, namely, the long iron bar is pressed into folding teeth with a plurality of wave crests and wave troughs.

The above description of the present invention does not limit the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a tooth device is pressed to magnetism, its characterized in that includes:

the gear pressing assembly comprises a gear pressing driving gear, a gear pressing driven gear, a sliding block, an adjusting screw rod, two fixing blocks and a rotating block, the two fixing blocks are connected to the support, and a sliding groove and a threaded hole are formed in the two fixing blocks; the two sliding blocks are respectively connected to two opposite sides of the tooth pressing driven gear, and are positioned in the sliding grooves and are in sliding fit with the sliding grooves; the number of the rotating blocks is two, the two rotating blocks are respectively positioned at one end in the sliding groove, and rotating holes are formed in the two rotating blocks; the number of the adjusting screws is two, the two adjusting screws are respectively in threaded fit with the threaded holes in the two fixed blocks, and one ends of the two adjusting screws are respectively connected with the two sliding blocks so as to drive the sliding blocks to slide in the sliding grooves by utilizing the threaded transmission of the adjusting screws and the threaded holes;

an iron sheet is coated on the inner wall of the sliding chute, an electromagnet is arranged on the surface of the sliding block, which is in contact with the inner wall of the sliding chute, and the electromagnet is communicated with an external power supply;

drive assembly includes driving motor, train subassembly and axis of rotation, driving motor reaches the train subassembly set up in on the support, just driving motor's output shaft pass through the band pulley with the input of train subassembly forms the transmission, the winding has first chain on the output of train subassembly, the one end winding of axis of rotation has the second chain, first chain with the second chain passes through the fixed pin and connects, the axis of rotation is kept away from the one end of second chain with the rotation hole normal running fit, and with it connects to press tooth drive gear.

2. The magnetic pressure tooth device of claim 1, wherein:

the adjusting screw comprises a screw rod portion and a connecting portion, the screw rod portion is in threaded fit with the threaded hole and is rotatably connected with the connecting portion, and one surface of the screw rod portion, away from the connecting portion, is connected to the sliding block.

3. The magnetic pressure tooth device of claim 2, wherein:

the adjusting screw rod further comprises a handle, and the handle is connected to one end, far away from the connecting part, of the screw rod part.

4. The magnetic pressure tooth device of claim 1, wherein:

and a rotating bearing is arranged in the rotating hole, and the rotating shaft is inserted into the rotating bearing.

5. The magnetic pressure tooth device of claim 1, wherein:

the train subassembly includes wheel system upper cover, gear train and train lower cover, the wheel system upper cover with the chamber is held in the formation of train lower cover lock, the gear train is located hold the intracavity, the output and the input of train subassembly all set up in on the gear train, just the input reaches the output expose in hold the chamber.

6. The magnetic pressure tooth device of claim 1, wherein:

the support is including the drive support, pressing tooth support and the feeding support that connect gradually, drive assembly set up in on the drive support, the fixed block sets up on pressing the tooth support.

7. The magnetic pressure tooth device of claim 6, wherein:

and the feeding bracket is provided with a feeding groove.

8. The magnetic pressure tooth device of claim 7, wherein:

and a positioning block is further arranged on the feeding support and is positioned above the feeding groove.

9. The magnetic pressure tooth device of claim 6, wherein:

the driving support is provided with a motor placing plate and a wheel train placing plate, the driving motor is connected to the motor placing plate, and the wheel train component is connected to the wheel train placing plate.