阅读说明：本技术 一种钻铣床用钻夹头防脱落结构 (Drill chuck anti-drop structure for drilling and milling machine ) 是由 赵泽炎 唐志荣 王耀平 宋化云 向才平 易茂银 于 2020-11-09 设计创作，主要内容包括：本发明公开了一种钻铣床用钻夹头防脱落结构,涉及到钻夹头防脱落领域,包括钻铣床本体,所述钻铣床本体的一侧底部固定安装有液压杆,所述液压杆的底部固定安装有电机,所述电机的底部输出端固定连接有安装板,所述安装板的底部设置有防脱固定机构,所述防脱固定机构包括安装圆块,所述安装圆块的顶部与安装板的底部固定连接,所述安装圆块的内部开设有固定槽,所述固定槽的顶部开设有滑槽,所述滑槽的内部两侧均滑动连接有滑块,两个所述滑块之间共同固定连接有弹簧。本发明能够对钻头横向和纵向的固定,防止在钻铣床的高速作用下安装的钻头发生偏移或者脱落,保证了加工时的产品质量和防止钻头脱落危害加工人员的生命健康。(The invention discloses an anti-falling structure of a drill chuck for a drilling and milling machine, which relates to the field of anti-falling of the drill chuck and comprises a drilling and milling machine body, wherein a hydraulic rod is fixedly arranged at the bottom of one side of the drilling and milling machine body, a motor is fixedly arranged at the bottom of the hydraulic rod, an installation plate is fixedly connected to the output end of the bottom of the motor, an anti-falling fixing mechanism is arranged at the bottom of the installation plate and comprises an installation round block, the top of the installation round block is fixedly connected with the bottom of the installation plate, a fixing groove is formed in the installation round block, a sliding groove is formed in the top of the fixing groove, sliding blocks are connected to two sides in the sliding groove in a sliding manner, and. The drill bit fixing device can fix the drill bit transversely and longitudinally, prevent the drill bit arranged under the high-speed action of the milling and drilling machine from deviating or falling off, ensure the product quality during processing and prevent the drill bit from falling off to harm the life health of processing personnel.)

1. The utility model provides a drill chuck anti-drop structure for milling and drilling machine which characterized in that: the anti-dropping drilling and milling machine comprises a drilling and milling machine body (1), wherein a hydraulic rod (2) is fixedly mounted at the bottom of one side of the drilling and milling machine body (1), a motor (3) is fixedly mounted at the bottom of the hydraulic rod (2), an installation plate (4) is fixedly connected to the output end of the bottom of the motor (3), and an anti-dropping fixing mechanism is arranged at the bottom of the installation plate (4);

the anti-falling fixing mechanism comprises an installation round block (5), the top of the installation round block (5) is fixedly connected with the bottom of an installation plate (4), a fixed groove is formed in the installation round block (5), a sliding groove (6) is formed in the top of the fixed groove, sliding blocks (7) are respectively connected to two sides of the inside of the sliding groove (6) in a sliding manner, a spring (8) is fixedly connected between the two sliding blocks (7) together, arc-shaped fixing plates (9) are respectively fixedly connected to the bottoms of the two sliding blocks (7), pushing blocks (10) are respectively fixedly installed on the opposite sides of the two arc-shaped fixing plates (9), rectangular openings are respectively formed in two sides of the fixed groove, the two pushing blocks (10) respectively extend to the outside of the installation round block (5) through the corresponding rectangular openings, and a fixing cylinder (11) is connected to the bottom of the surface of the installation round, the inside rear side wall fixed mounting of fixed drum (11) has fixed semicircular plate (12), the equal fixed mounting in both sides of fixed semicircular plate (12) has guide bar (13), fixed semicircular plate (12) have removal semicircular plate (14) through two guide bar (13) sliding connection, the both sides of removing semicircular plate (14) all seted up with guide bar (13) assorted round hole, threaded hole and threaded connection have threaded rod (15) are seted up to the surperficial bottom of fixed drum (11), threaded rod (15) extend to fixed drum (11) inside and with remove semicircular plate (14) fixed connection through the threaded hole.

2. The anti-drop structure of the drill chuck for the milling and drilling machine as claimed in claim 1, wherein: four positioning rollers (16) are fixedly mounted at the bottom of the milling and drilling machine body (1), and the four positioning rollers (16) are uniformly distributed at four corners of the bottom of the milling and drilling machine body (1).

3. The anti-drop structure of the drill chuck for the milling and drilling machine as claimed in claim 1, wherein: the motor is characterized in that a protective shell (17) is fixedly connected to the outside of the motor (3), and a plurality of heat dissipation holes are formed in the surface of the protective shell (17).

4. The anti-drop structure of the drill chuck for the milling and drilling machine as claimed in claim 1, wherein: two equal fixed mounting in one side of relative of arc fixed plate (9) has slipmat (18), slipmat (18) are made for PVB rubber materials.

5. The anti-drop structure of the drill chuck for the milling and drilling machine as claimed in claim 1, wherein: threaded rod (15) are kept away from the rotatory cap (19) of one end fixedly connected with that removes semicircular plate (14), first anti-skidding line has been seted up on the surface of rotatory cap (19).

6. The anti-drop structure of the drill chuck for the milling and drilling machine as claimed in claim 1, wherein: the surface of the fixed cylinder (11) is provided with second anti-slip grains, and two anti-slip blocks (20) are fixedly mounted at one ends of the guide rods (13) far away from the fixed semicircular plate (12).

7. The anti-drop structure of the drill chuck for the milling and drilling machine as claimed in claim 1, wherein: the spring (8) is made of carbon steel metal material, and the push block (10) is designed in a trapezoidal shape.

Technical Field

The invention relates to the field of drill chuck anti-drop, in particular to a drill chuck anti-drop structure for a milling and drilling machine.

Background

The handle of the drilling and milling machine is mainly used for adjusting the rotating speed of the head of the drilling and milling machine during application, the rotating speed is not different, so that manufacturers of the handle of the drilling and milling machine are not superior, the most common condition in the market today is that customers of two handles reflect the fact that the drilling and milling machine with two handles has good quality and high precision, and the drill chuck consists of a drill clamping sleeve, an elastic shifting ring, a connecting block and a rear cover. The drill chuck is mainly used for household direct current and alternating current electric drills, has the biggest advantage of easy locking, can be used only by holding the front sleeve and the rear sleeve of the chuck and screwing, and is different according to different internal structures of the drill chuck and suitable for use.

At present, a drilling and milling machine can be seen in processing workshops of a plurality of factories and is used for processing and drilling some workpieces, and a drill bit for the drilling and milling machine in the prior art is very easy to fall off and shift under the condition of high-speed rotation, so that the quality of a product is seriously influenced, and the life health of a constructor is possibly influenced.

Therefore, it is necessary to provide an anti-drop structure for a drill chuck of a milling and drilling machine to solve the above problems.

Disclosure of Invention

The invention aims to provide an anti-falling structure of a drill chuck for a milling and drilling machine, which aims to solve the problem that the quality of a product is seriously influenced and the life health of a constructor is possibly influenced because a drill bit for the milling and drilling machine provided by the background technology is easy to fall off and deviate under the condition of high-speed rotation.

In order to achieve the purpose, the invention provides the following technical scheme: a drill chuck anti-falling structure for a drilling and milling machine comprises a drilling and milling machine body, wherein a hydraulic rod is fixedly mounted at the bottom of one side of the drilling and milling machine body, a motor is fixedly mounted at the bottom of the hydraulic rod, an installation plate is fixedly connected to the output end of the bottom of the motor, and an anti-falling fixing mechanism is arranged at the bottom of the installation plate;

the anti-falling fixing mechanism comprises an installation round block, the top of the installation round block is fixedly connected with the bottom of the installation plate, a fixing groove is formed in the installation round block, a sliding groove is formed in the top of the fixing groove, two sides of the inside of the sliding groove are both connected with sliding blocks in a sliding manner, a spring is fixedly connected between the two sliding blocks, the bottoms of the two sliding blocks are both fixedly connected with arc-shaped fixing plates, pushing blocks are fixedly mounted on the opposite sides of the two arc-shaped fixing plates, rectangular openings are formed in the two sides of the fixing groove, the two pushing blocks respectively extend to the outside of the installation round block through the corresponding rectangular openings, a fixing cylinder is in threaded connection with the bottom of the surface of the installation round block, a fixing semicircular plate is fixedly mounted on the rear side wall of the inside of the fixing cylinder, guide rods are fixedly mounted on the two sides of the fixing semicircular plate, and a movable semicircular plate is, the both sides of removing the semicircular plate all seted up with guide bar assorted round hole, threaded hole and threaded connection have a threaded rod are seted up to the surperficial bottom of fixed drum, the threaded rod extend to fixed drum inside through the threaded hole and with remove semicircular plate fixed connection.

Preferably, four positioning rollers are fixedly mounted at the bottom of the milling and drilling machine body, and are uniformly distributed at four corners of the bottom of the milling and drilling machine body.

Preferably, the outside fixedly connected with protective housing of motor, a plurality of louvres have been seted up on the surface of protective housing.

Preferably, two equal fixed mounting in one side of relative of arc fixed plate has the slipmat, the slipmat is made for PVB rubber materials.

Preferably, one end of the threaded rod, which is far away from the movable semi-annular plate, is fixedly connected with a rotary cap, and first anti-skid grains are arranged on the surface of the rotary cap.

Preferably, the surface of the fixed cylinder is provided with second anti-slip grains, and two anti-slip blocks are fixedly mounted at one ends of the guide rods, which are far away from the fixed semicircular plate.

Preferably, the spring is made of carbon steel metal material, and the push block is designed in a trapezoidal shape.

The invention has the technical effects and advantages that:

1. the drill bit is placed between the fixed semicircular plate and the movable semicircular plate in the fixed cylinder, then the threaded rod is rotated, the threaded rod drives the fixedly connected movable semicircular plate to move to clamp the drill bit, after clamping is completed, the fixed cylinder is in threaded connection with the mounting round block, the fixed cylinder can continuously apply internal thrust to the two push blocks during threaded connection, the two push blocks can apply thrust to the corresponding fixedly connected arc-shaped fixing plates, and the two arc-shaped fixing plates clamp the upper end surface of the guided drill bit, so that transverse and longitudinal fixing of the drill bit is achieved, the drill bit mounted under the high-speed action of a drilling and milling machine is prevented from shifting or falling off, the product quality during processing is ensured, and the drill bit is prevented from falling off to harm the life health of processing personnel;

2. the anti-slip pads are arranged on the opposite sides of the two arc-shaped fixing plates, so that the surface of the drill bit is prevented from falling off from the arc-shaped fixing plates during clamping, and the positioning rollers are arranged at four corners of the bottom of the drilling and milling machine body, so that the drilling and milling machine body can move conveniently;

3. through the rotatory emission of installation and offer first anti-skidding line on the rotatory surface that emits to the convenience rotates the threaded rod, through installing the protective housing in the motor outside, thereby protects the motor, prevents to receive external destruction, through offering the louvre on the protective housing surface, thereby dispels the heat to the heat that the inside motor of protective housing produced, through installation anticreep piece, thereby prevent to remove and take place to drop between semicircular plate and the guide bar.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic sectional view of the connection between the mounting round block and the fixing cylinder according to the present invention;

fig. 4 is a schematic bottom view of the fixed cylinder of the present invention.

In the figure: 1. a milling and drilling machine body; 2. a hydraulic lever; 3. a motor; 4. mounting a plate; 5. installing a round block; 6. a chute; 7. a slider; 8. a spring; 9. an arc-shaped fixing plate; 10. a push block; 11. a fixed cylinder; 12. fixing the semi-annular plate; 13. a guide bar; 14. moving the semi-annular plate; 15. a threaded rod; 16. positioning the roller; 17. a protective shell; 18. a non-slip mat; 19. rotating the cap; 20. the anticreep piece.

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.

The invention provides an anti-falling structure of a drill chuck for a drilling and milling machine, which comprises a drilling and milling machine body 1, wherein a hydraulic rod 2 is fixedly arranged at the bottom of one side of the drilling and milling machine body 1, a motor 3 is fixedly arranged at the bottom of the hydraulic rod 2, a mounting plate 4 is fixedly connected at the output end of the bottom of the motor 3, an anti-falling fixing mechanism is arranged at the bottom of the mounting plate 4, the anti-falling fixing mechanism comprises a mounting round block 5, the top of the mounting round block 5 is fixedly connected with the bottom of the mounting plate 4, a fixing groove is arranged inside the mounting round block 5, a sliding groove 6 is arranged at the top of the fixing groove, sliding blocks 7 are respectively and slidably connected at two sides inside the sliding groove 6, a spring 8 is jointly and fixedly connected between the two sliding blocks 7, arc-shaped fixing plates 9 are respectively and fixedly connected at the bottoms of the two sliding blocks 7, two ejector pads 10 extend to the outside of installation disk 5 through corresponding rectangle mouth respectively, the surperficial bottom threaded connection of installation disk 5 has fixed drum 11, the inside rear side wall fixed mounting of fixed drum 11 has fixed semicircular plate 12, the equal fixed mounting in both sides of fixed semicircular plate 12 has guide bar 13, fixed semicircular plate 12 has removal semicircular plate 14 through two guide bar 13 sliding connection, the both sides of removing semicircular plate 14 all seted up with guide bar 13 assorted round hole, threaded hole and threaded connection have threaded rod 15 are seted up to the surperficial bottom of fixed drum 11, threaded rod 15 extends to fixed drum 11 inside and with removal semicircular plate 14 fixed connection through the screw hole, prevent under the high-speed rotation of milling and drilling machine effect, the drill bit takes place the skew or drops, lead to the quality of product to receive the influence, and prevent to endanger the life health of processing personnel.

As shown in fig. 1, four positioning rollers 16 are fixedly mounted at the bottom of the milling and drilling machine body 1, and the four positioning rollers 16 are uniformly distributed at four corners of the bottom of the milling and drilling machine body 1, so that the milling and drilling machine body 1 can be conveniently moved.

As shown in fig. 1, the external fixed connection of the motor 3 has a protective shell 17, and a plurality of heat dissipation holes are formed in the surface of the protective shell 17 to protect the motor 3 and dissipate heat generated by the motor 3.

As shown in fig. 3, anti-slip pads 18 are fixedly mounted on opposite sides of the two arc-shaped fixing plates 9, and the anti-slip pads 18 are made of PVB rubber material to prevent the drill from sliding with the arc-shaped fixing plates 9.

As shown in fig. 2 and 4, one end of the threaded rod 15, which is far away from the movable semicircular plate 14, is fixedly connected with a rotary cap 19, and first anti-skid grains are formed on the surface of the rotary cap 19, so that the threaded rod 15 is conveniently driven to rotate.

As shown in fig. 2 and 4, the surface of the fixed cylinder 11 is provided with second anti-slip lines, and one ends of the two guide rods 13, which are far away from the fixed semicircular plate 12, are fixedly provided with anti-drop blocks 20, so that the fixed cylinder 11 and the installation round block 5 are conveniently driven to be in threaded connection and the movable semicircular plate 14 and the guide rods 13 are prevented from dropping.

As shown in fig. 2-3, the spring 8 is made of carbon steel metal material, and the push block 10 is designed in a trapezoidal shape, so that the push block 10 is uniform and has good corrosion resistance and is convenient to be pushed by the fixed cylinder 11.

The working principle of the invention is as follows: the drill bit is placed inside the fixed cylinder 11 between the fixed half-ring plate 12 and the mobile half-ring plate 14, and then the rotary cap 19 is turned. Rotatory cap 19 drives threaded rod 15 and rotates, and threaded rod 15 drives fixed connection's removal semicircular plate 14 and removes and press from both sides tightly the drill bit, presss from both sides tightly after accomplishing, will fix drum 11 and 5 threaded connection of installation disk, fixes drum 11 and constantly applys thrust to inside to two ejector pads 10 when threaded connection, and thrust can be applyed to corresponding fixed connection's arc fixed plate 9 to two ejector pads 10, and two arc fixed plate 9 press from both sides tightly the inside drill bit upper end surface.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.