阅读说明：本技术 笔记本平板背盖生产用cnc加工治具结构及其工作方法 (CNC machining jig structure for production of notebook flat plate back cover and working method of CNC machining jig structure ) 是由 杨海洪 陈健 梁永久 周军华 戴慧敏 修敏 肖平 刘礼辉 曾祥涛 周润根 于 2021-04-26 设计创作，主要内容包括：本发明公开了笔记本平板背盖生产用CNC加工治具结构及其工作方法,涉及平板加工设备技术领域。包括基准板、活动板、偏转控制机组,所述基准板的上方设置有活动板,所述基准板的下方设置有偏转控制机组,所述基准板和活动板的右端均转动连接有支撑轴,所述支撑轴的下端固定连接有齿轮a,所述齿轮a的侧面传动连接有传动杆,所述传动杆远离齿轮a的一端传动连接有齿轮b；通过设置基准板和活动板组成钳形结构,将用于固定平板背盖的十字定位杆伸出,在对后盖进行固定加工的过程中,通过十字定位杆的旋转替代对背盖的重复拆装过程,从而避免了重复拆装导致的背盖加工精度影响,达到提高加工精度的目的。(The invention discloses a CNC (computer numerical control) machining jig structure for producing a notebook flat plate back cover and a working method thereof, and relates to the technical field of flat plate machining equipment. The device comprises a reference plate, a movable plate and a deflection control unit, wherein the movable plate is arranged above the reference plate, the deflection control unit is arranged below the reference plate, the right ends of the reference plate and the movable plate are both rotatably connected with a support shaft, the lower end of the support shaft is fixedly connected with a gear a, the side surface of the gear a is in transmission connection with a transmission rod, and one end of the transmission rod, far away from the gear a, is in transmission connection with a gear b; through setting up benchmark board and fly leaf constitution pincerlike structure, the cross locating lever that will be used for fixed dull and stereotyped back of the body lid stretches out, and at the in-process of fixing processing to the back lid, the rotatory repeated dismouting process to the back of the body lid that replaces through the rotation of cross locating lever to the back of the body lid machining precision influence that repeated dismouting leads to has been avoided, reaches the purpose that improves the machining precision.)

1. Dull and stereotyped back of body lid production of notebook is with CNC processing tool structure, including benchmark board (1), fly leaf (2), deflection control unit (3), its characterized in that: a movable plate (2) is arranged above the reference plate (1), and a deflection control unit (3) is arranged below the reference plate (1);

the right ends of the reference plate (1) and the movable plate (2) are both rotatably connected with a supporting shaft (11), the lower end of the supporting shaft (11) is fixedly connected with a gear a (12), the side face of the gear a (12) is in transmission connection with a transmission rod (13), one end, far away from the gear a (12), of the transmission rod (13) is in transmission connection with a gear b (14), the lower end of the gear a (12) in the reference plate (1) is fixedly connected with a driving rod (15), the upper end of the gear b (14) in the reference plate (1) is fixedly connected with a connecting rod (16), an electric cylinder (17) is fixedly mounted in the reference plate (1), the front side and the rear side of the reference plate (1) are provided with directional grooves (18), and the front side and the rear side of the reference plate (1) are fixedly connected with fixing plates (19);

the lower end of the movable plate (2) is fixedly connected with an orientation rod (21), the lower end of a gear b (14) in the movable plate (2) is fixedly connected with a sleeve (22), the opposite end of the support shaft (11) is fixedly connected with a cross positioning rod (23), the tail end of the cross positioning rod (23) is fixedly connected with an anti-skid block (24), a pressure sensor (25) is fixedly mounted inside the cross positioning rod (23) on the movable plate (2), and a controller (26) is arranged inside the movable plate (2);

the deflection control unit (3) comprises a speed reducing motor (31), an output end of the speed reducing motor (31) is fixedly connected with a shifting wheel (32), a side face of the shifting wheel (32) is fixedly connected with a flange (33), a driving wheel disc (34) is arranged above the shifting wheel (32), a circular groove (35) is formed in the lower surface of the driving wheel disc (34), and a clamping groove (36) is formed in the inner wall of the circular groove (35).

2. The CNC machining jig structure for producing the flat back cover of the notebook computer as claimed in claim 1, wherein: the controller (26) comprises a counter and a signal output unit, the output end of the controller (26) is electrically connected with the input ends of the electric cylinder (17) and the speed reducing motor (31), and the output end of the pressure sensor (25) is electrically connected with the input end of the controller (26).

3. The CNC machining jig structure for producing the flat back cover of the notebook computer as claimed in claim 1, wherein: the lower extreme and the drive rim plate (34) fixed connection of connecting rod (16), circular slot (35) set up at drive rim plate (34) lower surface with one heart, draw-in groove (36) are provided with four, and four draw-in grooves (36) evenly set up at equidistant in circular slot (35), thumb wheel (32) set up at circular slot (35) eccentric, flange (33) and draw-in groove (36) looks adaptation, thumb wheel (32) are connected with drive rim plate (34) transmission through flange (33) and draw-in groove (36).

4. The CNC machining jig structure for producing the flat back cover of the notebook computer as claimed in claim 1, wherein: orientation pole (21) and orientation groove (18) sliding connection, the output and fly leaf (2) fixed connection of electric jar (17), electric jar (17) are provided with two, and two electric jars (17) set up side by side in the left side of benchmark board (1) and fly leaf (2).

5. The CNC machining jig structure for producing the flat back cover of the notebook computer as claimed in claim 1, wherein: the outside of connecting rod (16) is provided with the rib, connecting rod (16) sliding connection is in the inside of sleeve (22).

6. The CNC machining jig structure for producing the flat back cover of the notebook computer as claimed in claim 1, wherein: an induction probe of the pressure sensor (25) extends to the tail end of the cross positioning rod (23) and is connected with the anti-skid blocks (24), the anti-skid blocks (24) on the movable plate (2) are connected with the cross positioning rod (23) in a sliding mode, and the anti-skid blocks (24) are made of rubber materials.

7. The working method of the CNC machining jig structure for producing the back cover of the flat panel of the notebook computer according to any one of claims 1 to 6, is characterized in that: the method comprises the following steps:

s1, starting an electric cylinder (17) to drive a movable plate (2) to move upwards, so that the distance between two cross positioning rods (23) is at a safe distance;

s2, preventing the flat back cover from being located above the cross positioning rods (23) below, starting the electric cylinder (17) to drive the movable plate (2) to move downwards, enabling the anti-skidding blocks (24) on the two cross positioning rods (23) to be tightly attached to the upper surface and the lower surface of the flat back cover, enabling the pressure sensor (25) to detect pressure data, stopping the electric cylinder (17) when the pressure reaches a threshold value, fixing the distance between the reference plate (1) and the movable plate (2), and completing the positioning work of materials;

s3, one side of the outer side of the material is machined through a CNC (computer numerical control) machine tool, a speed reducing motor (31) is started after machining is completed, the speed reducing motor (31) drives a shifting wheel (32) to rotate, the driving wheel disc (34) is driven to rotate by clamping of a flange (33) and a clamping groove (36), the flange (33) is separated from the clamping groove (36) after the driving wheel disc (34) rotates for a quarter of a circle, and then the driving wheel disc is contacted with a downward moving clamping groove (36) again, so that the material between the cross positioning rods (23) is driven to rotate for a quarter of a circle at intervals, and edge changing machining of the material is completed;

s4, after four sides of the material are processed, the electric cylinder (17) is started again and drives the movable plate (2) to move upwards, the material is released from being fixed, and discharging is carried out.

Technical Field

The invention relates to the technical field of panel processing equipment, in particular to a CNC (computer numerical control) processing jig structure for producing a notebook panel back cover and a working method thereof.

Background

The numerical control milling machine is also called CNC milling machine. English means the milling machine controlled by electronic counter digitalized signals, and the numerical control milling machine is an automatic processing device developed on the basis of a common milling machine, the processing technology of the two is basically the same, the structure is similar, and the numerical control milling machine is divided into two categories of a tool magazine without tool magazine and a tool magazine with tool magazine. Wherein the numerical control milling machine with the tool magazine is also called as a machining center.

1. In the prior art, CNC (computer numerical control) edge milling operation needs to be carried out in the process of machining a flat plate cover of a notebook computer, a common machining jig can more or less cover a certain edge of a material after being fixed, the jig needs to be removed from fixing the material and reinstalled in the process of machining all the edges, and the jig generates inevitable errors on the machining precision of the material and influences the quality of a product;

2. among the prior art, along with the popularization of notebook application, the model specification of notebook progressively increases, and its dull and stereotyped quilt specification kind also increases thereupon, and common CNC processing tool is many designs according to the material shape, also need replace the tool when changing the production model, has increased the complexity of production line change.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a CNC machining jig structure for producing a back cover of a notebook computer flat plate and a working method thereof, and aims to solve the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: the CNC machining jig structure for producing the notebook flat plate back cover comprises a reference plate, a movable plate and a deflection control unit, wherein the movable plate is arranged above the reference plate, and the deflection control unit is arranged below the reference plate;

the right ends of the reference plate and the movable plate are both rotatably connected with a support shaft, the lower end of the support shaft is fixedly connected with a gear a, the side face of the gear a is in transmission connection with a transmission rod, one end, away from the gear a, of the transmission rod is in transmission connection with a gear b, the lower end of the gear a in the reference plate is fixedly connected with a driving rod, the upper end of the gear b in the reference plate is fixedly connected with a connecting rod, an electric cylinder is fixedly mounted inside the reference plate, the front side and the rear side of the reference plate are provided with directional grooves, and the front side and the rear side of the reference plate are fixedly connected with fixed plates;

the lower end of the movable plate is fixedly connected with an orientation rod, the lower end of a gear b in the movable plate is fixedly connected with a sleeve, the opposite end of the support shaft is fixedly connected with a cross-shaped positioning rod, the tail end of the cross-shaped positioning rod is fixedly connected with an anti-skid block, a pressure sensor is fixedly mounted inside the cross-shaped positioning rod on the movable plate, and a controller is arranged inside the movable plate;

the deflection control unit comprises a speed reducing motor, a shifting wheel is fixedly connected to the output end of the speed reducing motor, a flange is fixedly connected to the side face of the shifting wheel, a driving wheel disc is arranged above the shifting wheel, a circular groove is formed in the lower surface of the driving wheel disc, and a clamping groove is formed in the inner wall of the circular groove.

As a preferable technical solution of the present invention, the controller includes a counter and a signal output unit therein, an output end of the controller is electrically connected to input ends of the electric cylinder and the reduction motor, and an output end of the pressure sensor is electrically connected to an input end of the controller.

As a preferred technical scheme of the invention, the lower end of the connecting rod is fixedly connected with the driving wheel disc, the circular grooves are concentrically arranged on the lower surface of the driving wheel disc, the number of the clamping grooves is four, the four clamping grooves are uniformly arranged in the circular grooves at equal intervals, the poking wheel is eccentrically arranged in the circular grooves, the flanges are matched with the clamping grooves, and the poking wheel is in transmission connection with the driving wheel disc through the flanges and the clamping grooves.

As a preferred technical solution of the present invention, the orientation bar is slidably connected to the orientation groove, the output end of the electric cylinder is fixedly connected to the movable plate, two electric cylinders are provided, and the two electric cylinders are disposed side by side on the left side of the reference plate and the left side of the movable plate.

As a preferable technical solution of the present invention, a rib is provided on an outer side of the connecting rod, and the connecting rod is slidably connected to an inside of the sleeve.

As a preferred technical scheme of the invention, an induction probe of the pressure sensor extends to the tail end of the cross positioning rod and is simultaneously connected with the anti-skid block, the anti-skid block on the movable plate is connected with the cross positioning rod in a sliding manner, and the anti-skid block is made of rubber materials.

The working method of the CNC machining jig structure for producing the flat back cover of the notebook computer comprises the following steps of:

s1, starting the electric cylinder to drive the movable plate to move upwards, so that the distance between the two cross positioning rods is in a safe distance.

S2, the flat back cover is prevented from being arranged above the cross positioning rods below, the electric cylinder is started to drive the movable plate to move downwards, the anti-skidding blocks on the two cross positioning rods are tightly attached to the upper surface and the lower surface of the flat back cover, the pressure sensor detects pressure data at the moment, the electric cylinder stops operating after the pressure reaches a threshold value, the distance between the reference plate and the movable plate is fixed, and the positioning work of materials is completed.

S3, one side of the outer side of the material is machined through the CNC machine tool, the speed reduction motor is started after machining is completed, the speed reduction motor drives the shifting wheel to rotate, the driving wheel disc is driven to rotate through clamping of the flange and the clamping groove, the flange is separated from the clamping groove after the driving wheel disc rotates for a quarter period, and then the flange is contacted with the clamping groove which moves downwards again, so that the quarter circle is rotated at the interval of the material between the cross positioning rods, and edge changing machining of the material is completed.

And S4, after four sides of the material are processed, the electric cylinder is started again and drives the movable plate to move upwards, the material is removed from being fixed, and discharging is carried out.

Compared with the prior art, the invention provides a CNC machining jig structure for producing a notebook flat plate back cover and a working method thereof, and the CNC machining jig structure has the following beneficial effects:

1. according to the CNC machining jig structure for production of the flat back cover of the notebook computer and the working method of the CNC machining jig structure, the clamp-shaped structure is formed by the reference plate and the movable plate, the cross positioning rod used for fixing the flat back cover extends out, and in the process of fixing and machining the back cover, the repeated dismounting and mounting process of the back cover is replaced through rotation of the cross positioning rod, so that the influence of the machining precision of the back cover caused by repeated dismounting and mounting is avoided, and the purpose of improving the machining precision is achieved.

2. This dull and stereotyped back of body lid production of notebook is with CNC processing tool structure and working method thereof, through setting up the non slipping spur and laminating with the back of the body lid at cross locating lever end and being connected, utilize the elasticity of non slipping spur to the back of the body lid of the irregular cross section of laminating drives interval between benchmark board and the fly leaf and adjusts through setting up the electric jar, in order to adapt to the back of the body lid of different thickness, thereby improves the back of the body lid and adds the adaptability of using CNC to different specifications, conveniently adjusts production line.

Drawings

FIG. 1 is a schematic structural diagram of a CNC machining jig structure for producing a back cover of a notebook computer flat panel and a working method thereof according to the present invention;

FIG. 2 is a schematic structural view of a transmission rod of the CNC machining jig structure for producing the back cover of the notebook computer flat panel and the working method thereof according to the present invention;

FIG. 3 is a schematic structural diagram of a deflection control unit of the CNC machining jig structure for producing the notebook flat back cover and the working method thereof according to the present invention;

FIG. 4 is a schematic structural view of a CNC machining jig for producing a back cover of a notebook computer flat plate and a driving wheel disc of the working method thereof according to the present invention;

FIG. 5 is a schematic diagram of a connecting rod structure of a CNC machining jig for producing a back cover of a notebook computer flat panel and a working method thereof according to the present invention;

fig. 6 is a schematic structural view of a cross positioning rod of the CNC processing jig structure for producing the notebook flat back cover and the working method thereof according to the present invention.

In the figure: 1. a reference plate; 11. a support shaft; 12. a gear a; 13. a transmission rod; 14. a gear b; 15. a drive rod; 16. a connecting rod; 17. an electric cylinder; 18. a directional tank; 19. a fixing plate; 2. a movable plate; 21. an orientation bar; 22. a sleeve; 23. a cross positioning rod; 24. anti-skid blocks; 25. a pressure sensor; 26. a controller; 3. a deflection control unit; 31. a reduction motor; 32. a thumb wheel; 33. a flange; 34. a drive wheel disc; 35. a circular groove; 36. a clamping groove.

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, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the CNC processing jig structure for producing the notebook flat back cover comprises a reference plate 1, a movable plate 2 and a deflection control unit 3, the movable plate 2 is arranged above the reference plate 1, the deflection control unit 3 is arranged below the reference plate 1, the right ends of the reference plate 1 and the movable plate 2 are both rotatably connected with a support shaft 11, the lower end of the support shaft 11 is fixedly connected with a gear a12, the side surface of the gear a12 is in transmission connection with a transmission rod 13, one end of the transmission rod 13 far away from the gear a12 is in transmission connection with a gear b14, the lower end of the gear a12 in the reference plate 1 is fixedly connected with a driving rod 15, the upper end of the gear b14 in the reference plate 1 is fixedly connected with a connecting rod 16, an electric cylinder 17 is fixedly arranged in the reference plate 1, the front side and the rear side of the reference plate 1 are provided with orientation grooves 18, the front side and the rear side of the reference plate 1 are fixedly connected with fixing plates 19, the lower end of the movable plate 2 is fixedly connected with a directional rod 21, the lower end of a gear b14 in the movable plate 2 is fixedly connected with a sleeve 22, the opposite end of the support shaft 11 is fixedly connected with a cross positioning rod 23, the tail end of the cross positioning rod 23 is fixedly connected with an anti-skid block 24, a pressure sensor 25 is fixedly mounted inside the cross positioning rod 23 on the movable plate 2, a controller 26 is arranged inside the movable plate 2, the deflection control unit 3 comprises a speed reduction motor 31, the output end of the speed reduction motor 31 is fixedly connected with a dial wheel 32, the side surface of the dial wheel 32 is fixedly connected with a flange 33, a driving wheel disc 34 is arranged above the dial wheel 32, a circular groove 35 is formed in the lower surface of the driving wheel disc 34, and a clamping groove 36 is formed in the inner wall of the circular groove 35.

As a specific technical solution of this embodiment, the controller 26 includes a counter and a signal output unit therein, an output end of the controller 26 is electrically connected with input ends of the electric cylinder 17 and the speed reduction motor 31, and an output end of the pressure sensor 25 is electrically connected with an input end of the controller 26.

In this embodiment, controller 26 controls the operating condition of electric jar 17, change interval between fly leaf 2 and the benchmark board 1, carry out the centre gripping to the material, the reference is made with pressure sensor 25 reading in the clamping process, control the clamping dynamics, prevent that pressure is too big to lead to the material to damage, controller 26 controls gear motor 31's rotational speed, control electric jar 17 and expand after accomplishing a deflection cycle stopping quota time, with the new material of installation, after the installation time finishes, electric jar 17 contracts, carry out the centre gripping to the material, gear motor 31 works after the centre gripping, so reciprocal.

As a specific technical scheme of this embodiment, the lower end of the connecting rod 16 is fixedly connected to the driving wheel disc 34, the circular groove 35 is concentrically disposed on the lower surface of the driving wheel disc 34, the four engaging grooves 36 are uniformly disposed in the circular groove 35 at equal intervals, the dial wheel 32 is eccentrically disposed in the circular groove 35, the flange 33 is adapted to the engaging groove 36, and the dial wheel 32 is in transmission connection with the driving wheel disc 34 through the flange 33 and the engaging groove 36.

In this embodiment, in the rotation process of the thumb wheel 32, the flange 33 contacts with one of the slots 36, and further drives the driving wheel disc 34 to rotate for a quarter of a cycle, the flange 33 is separated from the slot 36, the driving wheel disc 34 stops rotating due to being in an unpowered state, and when the flange 33 rotates again to contact with another slot 36, the driving wheel disc 34 rotates again for a quarter of a cycle, so that four sides of the material between the cross positioning rods 23 sequentially rotate to the processing position.

As a specific technical solution of this embodiment, the orientation rod 21 is slidably connected to the orientation slot 18, the output end of the electric cylinder 17 is fixedly connected to the movable plate 2, two electric cylinders 17 are provided, and the two electric cylinders 17 are arranged side by side on the left side of the reference plate 1 and the movable plate 2.

In this embodiment, the two electric cylinders 17 are arranged side by side, so as to improve the stability of the movable plate 2 and the reference plate 1 in the process of approaching each other, and prevent the movable plate 2 from deviating due to the single-side stress of the device

As a specific solution of this embodiment, a rib is disposed on the outer side of the connecting rod 16, and the connecting rod 16 is slidably connected inside the sleeve 22.

In this embodiment, connecting rod 16 and sleeve 22 sliding connection to fix the relative angle of connecting rod 16 and sleeve 22 through the rib, guarantee that benchmark board 1 and the cross locating lever 23 on fly leaf 2 rotate in step, and then guarantee the non slipping spur 24 one-to-one of both sides from top to bottom, prevent that too big material that leads to of pressure from damaging.

As a specific technical solution of this embodiment, an inductive probe of the pressure sensor 25 extends to a terminal end of the cross positioning rod 23 and is connected to the anti-slip block 24, the anti-slip block 24 on the movable plate 2 is connected to the cross positioning rod 23 in a sliding manner, and the anti-slip block 24 is made of rubber material.

In this embodiment, the non-slip blocks 24 made of rubber materials can deform to a certain extent along with the surface of the materials in the fixing process, so that the clamping effect is improved, and the inductive probe of the pressure sensor 25 is connected with the cross positioning rod 23 and the non-slip blocks 24 simultaneously, so that the reliability of pressure detection is ensured.

The working method of the CNC machining jig structure for producing the flat back cover of the notebook computer comprises the following steps of:

s1, starting the electric cylinder 17 to drive the movable plate 2 to move upwards, so that the distance between the two cross positioning rods 23 is in a safe distance.

S2, the flat back cover is prevented from being located above the cross positioning rods 23 below, the electric cylinder 17 is started to drive the movable plate 2 to move downwards, the anti-skidding blocks 24 on the two cross positioning rods 23 are tightly attached to the upper surface and the lower surface of the flat back cover, the pressure sensor 25 detects pressure data at the moment, the electric cylinder 17 stops operating when the pressure reaches a threshold value, the distance between the reference plate 1 and the movable plate 2 is fixed, and the positioning work of materials is completed.

S3, one side of the outer side of the material is machined through the CNC machine tool, the speed reducing motor 31 is started after machining is completed, the speed reducing motor 31 drives the shifting wheel 32 to rotate, the driving wheel disc 34 is driven to rotate through clamping of the flange 33 and the clamping groove 36, the flange 33 is separated from the clamping groove 36 after the driving wheel disc 34 rotates for a quarter period, then the flange is contacted with the clamping groove 36 which moves downwards again, and therefore the material between the cross positioning rods 23 is driven to rotate for a quarter circle at intervals, and edge changing machining of the material is completed.

And S4, after four sides of the material are processed, the electric cylinder 17 is started again and drives the movable plate 2 to move upwards, the material is released from being fixed, and discharging is carried out.

In summary, the CNC machining jig structure for producing the notebook flat back cover and the working method thereof have the advantages that the clamp-shaped structure is formed by the arrangement of the reference plate 1 and the movable plate 2, the cross positioning rod 23 for fixing the flat back cover extends out, and in the process of fixing and machining the rear cover, the repeated dismounting and mounting process of the back cover is replaced by the rotation of the cross positioning rod 23, so that the influence of the machining precision of the back cover caused by repeated dismounting and mounting is avoided, and the purpose of improving the machining precision is achieved; through setting up non slipping spur 24 and being connected in 23 end and the back of the body covers of cross locating lever, utilize non slipping spur 24's elasticity to the back of the body of the irregular cross section of laminating covers, drives interval between benchmark board 1 and the fly leaf 2 and adjusts through setting up electric cylinder 17, with the back of the body of adaptation different thickness covers, thereby improves the back of the body and covers the adaptability of using CNC to different specifications, and the convenience is adjusted production line.

It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.