CN210147036U

CN210147036U - Clamp for mechanical drilling

Info

Publication number: CN210147036U
Application number: CN201921141709.8U
Authority: CN
Inventors: 山磊; 李海东; 陆源源
Original assignee: Lianyungang Technical College
Current assignee: Lianyungang Technical College
Priority date: 2019-07-19
Filing date: 2019-07-19
Publication date: 2020-03-17
Anticipated expiration: 2029-07-19

Abstract

The utility model discloses a clamp for mechanical drilling, which relates to the technical field of mechanical drilling devices and comprises a bottom plate, wherein a support frame is fixed on the bottom plate, the bottom plate is connected with a clamping frame through a transverse adjusting mechanism, a clamping mechanism for clamping a workpiece is arranged in the clamping frame, the support frame is connected with a drilling motor through a lifting mechanism in a transmission way, and an output shaft of the drilling motor is connected with a drill bit vertically corresponding to the clamping mechanism in a driving way; the utility model discloses a rotating the crank and can driving adjusting part and drive the regulation to the clamping mechanism, realizing the stable centre gripping effect to mechanical workpiece when drilling, guaranteeing the quality of seting up of mounting hole, the horizontal adjustment mechanism of setting can drive the supporting frame and carry out horizontal regulation, and the drill bit of being convenient for bores to mechanical workpiece's different positions and establishes, and the elevating system of setting can carry out the steady elevating system of height to the drill bit, and the degree of depth regulation of drilling is stable and high-efficient.

Description

Clamp for mechanical drilling

Technical Field

The utility model discloses mechanical drilling device technical field specifically is an anchor clamps for mechanical drilling.

Background

The machining process refers to a process of changing the external dimensions or properties of a workpiece by using a mechanical device, and can be divided into cutting process and pressure process according to the difference of the processing modes.

The patent of grant publication number CN208853758U discloses an anchor clamps for mechanical drilling, including the install bin, the inside below of install bin is provided with the pneumatic cylinder, and the inside both sides of install bin all are provided with first slide rail, the workstation is installed to the output of pneumatic cylinder, and the both sides of workstation all are provided with the first slider of mutually supporting with first slide rail, and the device though can carry out the centre gripping to mechanical workpiece, but the stability of centre gripping operation is relatively poor, is unfavorable for carrying out steady efficient drilling operation to the work piece, for this reason, now provides an anchor clamps for mechanical drilling to solve above-mentioned technical problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an anchor clamps for mechanical drilling to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an anchor clamps for mechanical drilling, includes the bottom plate, is fixed with the support frame on the bottom plate, be connected with the holding frame through horizontal adjustment mechanism on the bottom plate, be equipped with the fixture that is used for centre gripping work piece in the holding frame, be connected with drilling motor through the elevating system transmission on the support frame, drilling motor's output shaft drive is connected with the drill bit that corresponds with the fixture is vertical.

As an improved scheme of the utility model: the clamping mechanism comprises a clamping block I and a clamping block II which are driven by the adjusting assembly to move in an opposite direction or in a reverse direction.

As an improved scheme of the utility model: the adjusting part is including fixing the transmission case at the holding frame lateral wall, and the driving shaft is installed to the transmission case internal rotation, and the cover is established and is fixed with the master gear on the driving shaft, and the meshing is connected with the pinion that two symmetries set up on the master gear, and coaxial fixed mounting has the screw thread to revolve to opposite threaded rod I and threaded rod II on the pinion, and threaded rod I and threaded rod II threaded connection respectively run through grip block II and grip block I.

As an improved scheme of the utility model: the driving shaft is fixed with a crank handle.

As an improved scheme of the utility model: the horizontal adjusting mechanism comprises a servo motor I, an output shaft of the servo motor I is connected with a lead screw in a driving mode, a thread block fixed to the bottom of the clamping frame is sleeved on the lead screw in a threaded mode, and a roller in rolling contact with the bottom plate is rotatably installed at the bottom of the clamping frame.

As an improved scheme of the utility model: the lifting mechanism comprises a servo motor, a worm is connected with an output shaft of the servo motor in a driving mode, a worm wheel is connected to the worm in a meshed and meshed mode, a transmission gear is coaxially fixed to the worm wheel, and a rack fixedly connected with the drilling motor is connected to the transmission gear in a meshed mode.

As an improved scheme of the utility model: and a fixed plate is fixed on the side wall of the rack, and a limiting spring is fixedly connected between the fixed plate and the support frame.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a rotating the crank and can driving adjusting part and drive the regulation to the clamping mechanism, realizing the stable centre gripping effect to mechanical workpiece when drilling, guaranteeing the quality of seting up of mounting hole, the horizontal adjustment mechanism of setting can drive the supporting frame and carry out horizontal regulation, and the drill bit of being convenient for bores to mechanical workpiece's different positions and establishes, and the elevating system of setting can carry out the steady elevating system of height to the drill bit, and the degree of depth regulation of drilling is stable and high-efficient.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic top view of the connection between the clamping frame and the clamping mechanism of the present invention;

fig. 3 is a schematic view of a partial three-dimensional structure of the middle clamping mechanism of the present invention.

In the figure: 1-bottom plate, 2-screw rod, 3-thread block, 4-servo motor I, 5-support frame, 6-worm, 7-servo motor, 8-worm wheel, 9-rack, 10-transmission gear, 11-limit spring, 12-fixing plate, 13-drill bit, 14-drilling motor, 15-clamping frame, 16-transmission box, 17-crank, 18-clamping block I, 19-pinion, 20-master gear, 21-driving shaft, 22-threaded rod I, 23-threaded rod II, 24-clamping block II and 25-roller.

Detailed Description

The technical scheme of the patent is further described in detail by combining the following specific embodiments:

example 1

Referring to fig. 1-3, a clamp for mechanical drilling includes a bottom plate 1, a supporting frame 5 is fixed on the bottom plate 1, a clamping frame 15 is connected to the bottom plate 1 through a transverse adjusting mechanism, a clamping mechanism for clamping a workpiece is arranged in the clamping frame 15, a drilling motor 14 is connected to the supporting frame 5 through a lifting mechanism, and a drill bit 13 vertically corresponding to the clamping mechanism is connected to an output shaft of the drilling motor 14 in a driving manner.

When the mechanical workpiece is drilled, the mechanical workpiece is clamped and fixed in the clamping frame 15 through the arranged clamping mechanism, the lifting mechanism drives the drilling motor 14 and the drill bit 13 to move downwards, and meanwhile, the drilling motor 14 drives the drill bit 13 to rotate so as to realize rotary drilling of the mechanical workpiece.

Specifically, this device's fixture includes through adjusting part drive clamping block I18 and the clamping block II24 of opposite directions or back-to-back motion, and clamping block I18 and the clamping block II24 that set up move in opposite directions in adjusting part's drive, and then realize the centre gripping locking to mechanical workpiece, workpiece stabilization when guaranteeing to drill, promotion drilling quality.

The adjusting assembly in the device comprises a transmission case 16 fixed on the side wall of a clamping frame 15, a driving shaft 21 is installed in the transmission case 16 in a rotating mode, a main gear 20 is fixedly sleeved on the driving shaft 21, two auxiliary gears 19 symmetrically arranged are connected to the main gear 20 in a meshing mode, a threaded rod I22 and a threaded rod II23 with opposite thread turning directions are coaxially and fixedly installed on the auxiliary gears 19, the threaded rod I22 and the threaded rod II23 are respectively in threaded connection with a penetrating clamping block II24 and a clamping block I18, and a crank handle 17 is fixed on the driving shaft 21.

Through the arrangement, when a mechanical workpiece is clamped, the mechanical workpiece is placed in the clamping frame 15, the rotating crank 17 drives the driving shaft 21 to rotate, the driving shaft 21 drives the main gear 20 on the driving shaft to rotate, the main gear 20 respectively drives the two auxiliary gears 19 connected with the main gear in a meshed mode to rotate, and then the threaded rod I22 and the threaded rod II23 synchronously rotate, at the moment, the threaded rod I22 and the threaded rod II23 can respectively drive the clamping block II24 and the clamping block I18 to move oppositely, so that a firm clamping effect on the mechanical workpiece is achieved, the device can achieve loading or unloading of the mechanical workpiece through the rotating crank 17, and the operation is simple and efficient.

Example 2

In the course of working at mechanical workpiece, often need set up the mounting hole of a plurality of different positions, on embodiment 1's basis, this device has still set up horizontal adjustment mechanism, including servo motor I4, servo motor I4's output shaft drive is connected with lead screw 2, and the screw thread has cup jointed the screw block 3 of fixing in holding frame 15 bottom on the lead screw 2, and holding frame 15 bottom is rotated and is installed the gyro wheel 25 with bottom plate 1 rolling contact.

Through the arrangement, the servo motor I4 can drive the screw rod 2 to rotate, the screw rod 2 drives the clamping frame 15 to move transversely through the thread block 3 in threaded connection with the screw rod, so that the position of the mechanical workpiece corresponding to the drill bit 13 is adjusted, and the tapping treatment of different positions of the mechanical workpiece is realized.

In addition, the lifting mechanism in the device comprises a servo motor 7, a worm 6 is connected with an output shaft of the servo motor 7 in a driving mode, a worm wheel 8 is connected to the worm 6 in a meshing and meshing mode, a transmission gear 10 is coaxially fixed to the worm wheel 8, a rack 9 fixedly connected with a drilling motor 14 is connected to the transmission gear 10 in a meshing mode, a fixing plate 12 is fixed to the side wall of the rack 9, and a limiting spring 11 is fixedly connected between the fixing plate 12 and the support frame 5.

The servo motor 7 is used for driving the worm 6 to rotate, the worm 6 drives the worm wheel 8 to rotate, so that the transmission gear 10 rotates, the transmission gear 10 drives the drilling motor 14 and the drill bit 13 to adjust the vertical position through the rack 9 connected with the transmission gear in a meshed mode, the drilling depth is adjusted, the arranged limiting spring 11 is compressed or extended in a deformation mode, the guiding and buffering effects of the drill bit 13 in the up-and-down movement mode are achieved, and the drilling process is quite stable.

To sum up, the utility model discloses a rotating crank 17 can drive adjusting part and carry out drive adjustment to clamping mechanism, realizes the stable centre gripping effect to mechanical workpiece when drilling, guarantees the quality of seting up of mounting hole, and the horizontal adjustment mechanism of setting can drive holding frame 15 and carry out horizontal regulation, and the drill bit 13 of being convenient for bores the different positions of mechanical workpiece and establishes, and the elevating system of setting can carry out the steady elevating system of height to drill bit 13, and the degree of depth control of drilling is stable and high-efficient.

It should be noted that, although the present specification describes embodiments, each embodiment does not include only a single technical solution, and such description of the specification is only for clarity, and those skilled in the art should take the specification as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art, and the above-mentioned embodiments only express the preferred embodiments of the technical solutions, and the description thereof is more specific and detailed, but should not be construed as limiting the scope of the claims of the technical solutions. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications, improvements and substitutions can be made, which all fall within the protection scope of the present technical solution. The protection scope of this technical solution patent should be subject to the appended claims.

Claims

1. The utility model provides an anchor clamps for mechanical drilling, includes bottom plate (1), is fixed with support frame (5) on bottom plate (1), its characterized in that, be connected with holding frame (15) through horizontal adjustment mechanism on bottom plate (1), be equipped with the fixture that is used for centre gripping work piece in holding frame (15), be connected with drilling motor (14) through the elevating system transmission on support frame (5), the output shaft drive of drilling motor (14) is connected with drill bit (13) with the vertical correspondence of fixture.

2. The chuck for mechanical drilling of claim 1, wherein the clamping mechanism includes a clamping block I (18) and a clamping block II (24) that are driven to move toward and away from each other by an adjustment assembly.

3. The clamp for mechanical drilling according to claim 2, wherein the adjusting assembly comprises a transmission case (16) fixed on the side wall of the clamping frame (15), a driving shaft (21) is rotatably mounted in the transmission case (16), a main gear (20) is fixedly sleeved on the driving shaft (21), two symmetrically-arranged auxiliary gears (19) are meshed and connected to the main gear (20), a threaded rod I (22) and a threaded rod II (23) with opposite thread turning directions are coaxially and fixedly mounted on the auxiliary gears (19), and the threaded rod I (22) and the threaded rod II (23) are respectively in threaded connection with a penetrating clamping block II (24) and a clamping block I (18).

4. A chuck for mechanical drilling according to claim 3, characterised in that a hand crank (17) is fixed to the drive shaft (21).

5. The clamp for mechanical drilling according to claim 1, wherein the lateral adjusting mechanism comprises a servo motor I (4), an output shaft of the servo motor I (4) is in driving connection with a screw rod (2), a thread block (3) fixed at the bottom of the clamping frame (15) is in threaded sleeve connection with the screw rod (2), and a roller (25) in rolling contact with the bottom plate (1) is rotatably installed at the bottom of the clamping frame (15).

6. The clamp for mechanical drilling according to claim 1, wherein the lifting mechanism comprises a servo motor (7), an output shaft of the servo motor (7) is in driving connection with a worm (6), the worm (6) is in meshing engagement connection with a worm wheel (8), a transmission gear (10) is coaxially fixed on the worm wheel (8), and the transmission gear (10) is in meshing connection with a rack (9) fixedly connected with a drilling motor (14).

7. The clamp for mechanical drilling according to claim 6, wherein a fixing plate (12) is fixed on the side wall of the rack (9), and a limiting spring (11) is fixedly connected between the fixing plate (12) and the support frame (5).