CN108638212B

CN108638212B - Furniture drilling equipment

Info

Publication number: CN108638212B
Application number: CN201810434293.2A
Authority: CN
Inventors: 刘成华
Original assignee: Chongqing Jianlong Furniture Co ltd
Current assignee: Chongqing Buling Office Equipment Co.,Ltd.
Priority date: 2018-05-08
Filing date: 2018-05-08
Publication date: 2020-09-01
Anticipated expiration: 2038-05-08
Also published as: CN108638212A

Abstract

The invention relates to the technical field of furniture processing, and particularly discloses furniture drilling equipment, which comprises a drill bit and a driving mechanism, wherein the driving mechanism comprises a support and two coaxially arranged driving discs provided with spiral grooves, a driving shaft is fixed between the two driving discs, and two ends of the driving shaft are rotatably connected onto the support; a driven disc is arranged right below the driving shaft, a driven shaft is coaxially and fixedly connected to the lower end face of the driven disc, and the drill bit is detachably arranged at the lower end of the driven shaft; the rack is characterized by also comprising a rack, wherein the top of the rack is provided with a first chute and a second chute which are communicated with each other and are vertical to the first chute, and the support is connected with the rack in a sliding way through the first chute and the second chute; the drill bit lower extreme is coaxial to be equipped with the sucking disc, and the top of sucking disc is fixed with inhales the bits case, inhales bits case and driven shaft sliding connection, inhales the bits incasement and is equipped with the flabellum, and the flabellum is fixed to be set up on the global of driven shaft, and the flabellum top is equipped with the passageway that is used for the piece to discharge. This scheme of adoption can accurate quick drilling.

Description

Furniture drilling equipment

Technical Field

The invention relates to the technical field of furniture processing, and particularly discloses furniture drilling equipment.

Background

Furniture refers to a large category of appliance and facilities which are essential for human beings to maintain normal life, engage in production practice and develop social activities, and is an important foundation for establishing working and living spaces. Wooden furniture is the highest furniture of frequency of use among people's daily life, wooden furniture's raw and other materials are timber, become timber processing during furniture, the indispensable needs punch on timber, the tradition mode is that the handheld drilling machine of carpenter drills, it is crooked that drilling usually can lead to drilling because the carpenter's hand skill is not good like this, also in addition fix a position the back with the plank and drill, though it is askew to be difficult to so bore, nevertheless because the saw-dust that the drilling produced can splash everywhere and cause operational environment abominable thereby hinder carpenter's sight or even accidental injury workman, it can't guarantee the accurate assurance to drilling depth to also lead to the fact the difficult guarantee drilling depth when drilling simultaneously.

Disclosure of Invention

The invention aims to provide the furniture drilling equipment which can accurately and quickly drill holes and can avoid accidental injury or severe working environment caused by splashing of scraps.

In order to achieve the above purpose, the basic scheme of the invention is as follows: the furniture drilling equipment comprises a drill bit and a driving mechanism, wherein the driving mechanism comprises a support and two driving disks, a driving shaft is coaxially fixed between the two driving disks, a spiral groove is formed in one surface, opposite to the driving disks, of each driving disk, two ends of each driving shaft are movably connected with the support, and the driving shafts can axially move relative to the support;

a driven disc is arranged right below the driving shaft, the diameter of the driven disc is smaller than the axial distance between the two driving discs, the driven disc is in sliding connection with a spiral groove on any one of the driving discs, a driven shaft is coaxially and fixedly connected to the lower end face of the driven disc, the driven shaft is in threaded connection with a support, and the drill bit is detachably arranged at the lower end of the driven shaft;

the rack is also provided with a rack, the top of the rack is provided with a first sliding chute and a second sliding chute perpendicular to the first sliding chute, the first sliding chute and the second sliding chute are mutually communicated, and the support and the rack are in sliding connection through the first sliding chute and the second sliding chute;

the lower extreme of driven shaft is coaxial to be equipped with the sucking disc, and the fixed bits case of inhaling that is equipped with in top of sucking disc inhales the bits case and the vertical sliding connection of support, inhales and is equipped with the through-hole on the bits case, and the driven shaft passes the through-hole and inhales bits case sliding connection, inhales the aperture of bits bottom of the case portion and is greater than the size of driven shaft and communicates with the sucking disc, inhale the bits incasement and be equipped with the flabellum, the flabellum is fixed to be set up on the global of driven shaft, inhales the bits incasement and fixes and be.

The principle and the advantage of the scheme are as follows: this scheme sets up two driving-discs, comes to realize moving up or the control of whereabouts to the driven plate through changing the driving-disc with driven plate meshing, so if the driving shaft connect the motor only need connect one-way motor can, if the driving shaft is manual pivoted the application of force that the direction of rotation when also having avoided the workman to be unfamiliar with drilling leads to but the condition of can not drilling.

The spiral groove is formed in the driving disc, so that the connection between the driven disc and the driving disc is more stable, the driven disc can be subjected to resistance given by a drilled wood board in the process of driving the driven shaft and the drill bit to move downwards, and the sliding connection between the driven disc and the spiral groove can relieve the situation that the driven disc idles and cannot give enough power to the drill bit to move downwards; the spiral groove is gradually enlarged, and the up-and-down displacement speed of the driven disc is fixed or has a certain regular change by the sliding energy of the driven disc along the spiral groove, so the moving speed of the drill bit is relatively stable, and the condition that the speed of the drill bit is not well controlled is avoided. The scheme can control the change of the moving speed of the driven plate by controlling the difference change of the rotating diameters of the spiral grooves.

The drill bit of this scheme can remove about along with the support, also can be along with the support back-and-forth movement, so can tap slot-shaped hole, rectangular hole or punch side by side etc. through the distance of control removal.

The drill bit of the scheme is detachably connected, and can be replaced according to the requirement during use.

This scheme inhale bits case and the vertical sliding connection of support, so when the driven shaft drives the drill bit and rotates, inhale the bits case and can not rotate simultaneously. Simultaneously, the sucking disc can adsorb and avoid the piece of drilling to splash everywhere on the work piece and lead to the accidental injury, and the fan can also suck the piece in the sucking disc along with the driven shaft rotation and blow in the passageway then discharge and go, so can play the effect of centralized processing to the piece of drilling, avoided the piece to fly upward the adverse circumstances problem of operational environment that leads to.

Preferred embodiment 1: as an improvement of the basic scheme, the channel is spirally coiled around the driven shaft, the inlet of the channel faces the fan blade, and the channel is also provided with an outlet communicated with the atmosphere.

Set the passageway into the spiral, can prolong the length of passageway and constantly change the direction of motion of sweeps to slow down the velocity of motion of sweeps, alleviateed the condition of raise dust when the sweeps flies out, also can alleviate the condition of hindering workman's eyes when the sweeps flies out.

Preferred embodiment 2: as the improvement of the preferred scheme 1, a control rod for controlling the driving shaft to move axially is arranged on the driving shaft, one end of the control rod is hinged with the driving shaft, and the middle of the control rod is hinged with the support.

The diameter of the driven disc is smaller than the axial distance between the two driving discs, the purpose of controlling the moving direction of the driven disc is achieved by changing the driving discs connected with the driven disc, so that the positions of the driving discs and the driven disc can be relatively determined by arranging the control rod, and the driving discs are prevented from axially moving and sliding away from the connecting position to cause the driving discs to be incapable of driving the driven disc in the process that the driving discs drive the driven disc to rotate. The middle part of the control rod is hinged with the support, so that an operator can axially move the driving shaft through a lever principle in the using process, and the operation is more convenient and labor-saving.

Preferred embodiment 3: as an improvement of the preferable scheme 2, a limiting block for limiting the free swing of the control rod is arranged on the support.

Because the control rod is hinged on the support, if the driving disc is subjected to large axial force, the situation that the driving shaft moves axially to drive the control rod to rotate can occur, and the limit block is arranged to limit the position of the control rod so as to control the axial movement amount of the driving shaft, so that the driving shaft can not actively move axially in the rotating process of the driving disc to cause the driving disc to leave the driven disc.

Preferred embodiment 4: as an improvement of the basic scheme, a stopper for limiting the falling displacement of the driven disc is arranged at the upper end of the driven shaft, and the stopper is positioned above the support.

The setting of stopper can realize the control to the volume of moving down of drill bit, can't judge the problem of drilling depth when having avoided drilling.

Preferred embodiment 5: as the improvement of the basic scheme, a rubber layer for preventing slipping is fixedly arranged on the circumferential surface of the driven disc, and the rubber layer is clamped with the spiral groove of the driving disc.

The friction resistance of the rubber layer is larger, so that the slipping condition between the driving disc and the driven disc can be relieved, and the transmission efficiency between the driving disc and the driven disc is improved.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic end-to-end shape view of a first chute and a second chute according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of a stopper hinged to a bracket according to an embodiment of the present invention;

fig. 4 is a schematic diagram of the shape of the spiral grooves on the drive disc in an embodiment of the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the drill bit comprises a drill bit 1, a driving disc 2, a driving shaft 3, a support 4, a rack 5, a first sliding groove 51, a second sliding groove 52, a driven disc 6, a driven shaft 7, a control rod 8, a limiting block 9, a suction disc 10, a chip suction box 11, fan blades 12, a channel 13, a brake 14, a motor 15, a workpiece 16 and a spiral groove 17.

The embodiment is basically as shown in the attached figure 1:

furniture drilling equipment comprises a drill bit 1 and a driving mechanism, wherein the driving mechanism comprises a support 4 and two coaxially arranged driving discs 2, and spiral grooves 17 are formed in the opposite surfaces of the two driving discs 2 in a tapping mode, as shown in fig. 4, the spiral grooves 17 with gradually increased radial groove distances are selected as the spiral grooves 17 in the embodiment. As shown in fig. 1, coaxial being fixed with driving shaft 3 between two driving-discs 2, be equipped with the logical groove that supplies driving shaft 3 to remove on the support 4, the both ends of driving shaft 3 rotate to be connected on support 4 and driving shaft 3 can remove about for support 4, the left end of driving shaft 3 links to each other with the output shaft of motor 15, the right-hand member of driving shaft 3 articulates there is a control lever 8, as shown in fig. 3, the middle part of control lever 8 articulates on the support 4 of right-hand member, vertical rotation is connected with the gliding stopper 9 of restriction control lever 8 on the support 4, motor 15 in this implementation adopts one-way motor 15.

A driven disc 6 is arranged under the driving shaft 3, the diameter of the driven disc 6 is smaller than the axial distance between the two driving discs 2, a rubber layer is fixed on the circumferential surface of the driven disc 6 and is in sliding connection with a spiral groove 17 on the driving discs 2 through the rubber layer, a driven shaft 7 is coaxially and fixedly connected to the lower end surface of the driven disc 6, threads are tapped at the middle part of the driven shaft 7, threads matched with the driven shaft 7 are arranged on the support 4, a stopper 14 for limiting the falling displacement of the driven disc 6 is fixedly connected to the upper end of the driven shaft 7, and the stopper 14 is positioned above the support 4. The drill bit 1 is clamped at the lower end of the driven shaft.

As shown in fig. 2, the portable electronic device further comprises a frame 5, wherein two horizontal and transverse first sliding grooves 51 are formed in the frame 5, two horizontal second sliding grooves 52 are formed in the frame 5 along a direction perpendicular to the first sliding grooves 51, the first sliding grooves 51 and the second sliding grooves 52 are connected end to form a square, and the support 4 is slidably connected with the frame 5 through the first sliding grooves 51 and the second sliding grooves 52;

the lower extreme of driven shaft 7 has the sucking disc 10 of coaxial setting, the top fixedly connected with of sucking disc 10 inhales bits case 11, inhale bits case 11 and the vertical sliding connection of support 4, inhale the counter weight that bits case 11 has certain weight for itself in this embodiment, inhale the vertical through-hole that is equipped with in the bits case 11, driven shaft 7 passes the through-hole and inhales bits case 11 sliding connection, the aperture at inhaling bits case 11 top equals the diameter of driven shaft 7, the aperture of inhaling bits case 11 bottom is greater than the diameter of driven shaft 7, and inhale bits case 11 bottom and sucking disc 10 intercommunication. The scrap suction box 11 is internally provided with fan blades 12, the fan blades 12 are fixedly arranged on the circumferential surface of the driven shaft 7, a channel 13 for discharging scraps is arranged above the fan blades 12, and the left side of the channel 13 is provided with an outlet communicated with the atmosphere.

The specific implementation process is as follows: as shown in fig. 1, the control lever 8 is moved to the right to slidably connect the driven disk 6 with the spiral groove 17 of the right driving disk 2. As shown in fig. 3, the position of the control rod 8 is fixed by rotating the stopper 9 to the left. Then, the motor 15 is started to rotate the driving shaft 3, the driving shaft 3 drives the driving disc 2 to rotate, the driving disc 2 drives the driven disc 6 to rotate, the driven disc 6 drives the driven shaft 7 to rotate and move downwards, and the driven shaft 7 drives the drill bit 1 to rotate and move downwards. In the scheme, the spiral groove 17 is in an involute shape, so that the rotating angular speed of the driven disc 6 is faster and faster under the condition that the output of the motor 15 is not changed; meanwhile, the radial groove pitch of the spiral groove 17 increases progressively, so that the downward moving speed of the driven shaft 7 is faster and faster. Therefore, the furniture drilling equipment in the scheme slowly rotates and moves downwards when drilling is started, so that the drill bit 1 is facilitated to find the drilling position accurately, and the problem that the hole site is not found out in time due to too high descending speed of the drill bit is avoided; after the drill bit 1 is determined not to be inclined, the speed of the drill bit 1 is gradually increased, so that the rapid drilling is realized.

As shown in fig. 1, when the drill bit 1 moves downward, the suction cup 10 is pressed on the workpiece 16 by the counterweight chip suction box 11, and the lower end of the suction cup 10 is attached to the upper surface of the workpiece 16, so that chips generated by drilling cannot be splashed out to cause accidental injury to workers, and dust cannot fly everywhere to cause severe working environment. Meanwhile, the fan blades 12 fixed on the driven shaft 7 rotate together with the driven shaft 7 to suck air, so that scraps, dust and the like below the suction disc 10 are sucked into the scrap suction box 11 and blown out from an outlet through the channel 13, and the purpose of uniformly collecting and treating scraps generated by drilling is achieved.

As shown in fig. 1, when the stopper 14 moves down to the position of the support 4, it is described that one drilling is completed, so that the present solution can ensure the uniformity of the drilling depth, and facilitate the construction of workers. After drilling is completed, the motor 15 is turned off, the limiting block 9 is rotated backwards, the control rod 8 is pushed leftwards, the driven disk 6 is in sliding connection with the driving disk 2 on the left side, and then the position of the control rod 8 is fixed by the limiting block 9. At the moment, the motor 15 is turned on to enable the driving shaft 3 to rotate, the driving shaft 3 drives the driving disc 2 to rotate, the driving disc 2 on the right side idles, and the driving disc 2 on the left side can drive the driven disc 6 to rotate reversely and move upwards at the same time, so that the drill bit 1 is returned.

In the present embodiment, the positional relationship between the first slide groove 51 and the second slide groove 52 is as shown in fig. 2, and the left-right movement of the support 4 along the first slide groove 51 can change the position of the drill bit 1 based on the direction of the visual display shown in fig. 1, and the front-back movement of the support 4 along the second slide groove 52 can change the front-back position of the drill bit 1. This solution enables the function of perforating the workpiece 16 several times side by side.

This scheme also can be when getting the hole back, changes not unidimensional drill bit 1 again and carries out reworking such as chamfer to this hole as required. For example, a drill bit 1 with a diameter size close to the length of the first sliding groove 51 can be selected to drill a large hole on the workpiece 16 during first drilling, and after the small-size drill bit 1 is replaced, the support 4 is moved along the first sliding groove 51 and the second sliding groove 52, and the large hole on the workpiece 16 is machined again, so that the original round hole is changed into a square hole with chamfers on four sides.

The foregoing is merely an example of the present invention and common general knowledge in the art of specific structures and/or features of the invention has not been set forth herein in any way. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the utility of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. Furniture drilling equipment, its characterized in that: the drill bit comprises a drill bit and a driving mechanism, wherein the driving mechanism comprises a support and two driving disks, a driving shaft is coaxially fixed on the two driving disks, a spiral groove is formed in one opposite surface of the two driving disks, two ends of the driving shaft are movably connected with the support, and the driving shaft can axially move relative to the support;

2. The furniture drilling apparatus of claim 1, wherein: the channel is spirally coiled around the driven shaft, the inlet of the channel faces the fan blades, and the channel is further provided with an outlet communicated with the atmosphere.

3. The furniture drilling apparatus of claim 2, wherein: the driving shaft is provided with a control rod for controlling the driving shaft to move axially, one end of the control rod is hinged with the driving shaft, and the middle of the control rod is hinged with the support.

4. The furniture drilling apparatus of claim 3, wherein: and the support is provided with a limiting block for limiting the control rod to swing freely.

5. The furniture drilling apparatus of claim 1, wherein: and a brake for limiting the falling displacement of the driven disc is arranged at the upper end of the driven shaft, and the brake is positioned above the support.

6. The furniture drilling apparatus of claim 1, wherein: the circumferential surface of the driven disc is fixedly provided with a rubber layer for preventing slipping, and the rubber layer is clamped with the spiral groove of the driving disc.