阅读说明：本技术 一种并排式打孔钻 (Side-by-side type punching drill ) 是由 谢峰 于 2020-05-09 设计创作，主要内容包括：本发明提供了一种并排式打孔钻,属于打孔钻技术领域。它解决了现有的打孔钻其更换钻头费时费力的问题。本并排式打孔钻,包括电机、底座和打孔机构,所述打孔机构包括升降组件、卸料组件和带有钻头的空心钻组件,所述升降组件驱动空心钻组件上下移动,其特征在于：所述底座上安装有若干个上述打孔机构；所述电机通过传动件驱动上述打孔机构中的钻头转动,若干个上述打孔机构中钻头的钻孔孔径各不相同。本并排式打孔钻具有无需停机便可更换钻头,省时省力的优点。(The invention provides a side-by-side type punching drill, and belongs to the technical field of punching drills. It has solved its problem that changes the drill bit and waste time and energy of current drill. This side by side formula drill that punches, including motor, base and the mechanism of punching, the mechanism of punching includes lifting unit, the subassembly of unloading and has the core drill subassembly of drill bit, lifting unit drive core drill subassembly reciprocates its characterized in that: the base is provided with a plurality of punching mechanisms; the motor drives the drill bit in the punching mechanism to rotate through the transmission part, and the drilling hole diameters of the drill bits in the punching mechanisms are different from each other. The side-by-side type punching drill has the advantages that the drill bit can be replaced without stopping the machine, and time and labor are saved.)

1. The utility model provides a side by side formula drill that punches, includes motor (1), base (2) and the mechanism of punching, the mechanism of punching includes lifting unit, the subassembly of unloading and has the core drill subassembly of drill bit (3), lifting unit drive core drill subassembly reciprocates its characterized in that: the base (2) is provided with a plurality of punching mechanisms; the motor (1) drives the drill bit (3) in the punching mechanism to rotate through the transmission part, and the hole drilling apertures of the drill bits (3) in the punching mechanisms are different.

2. The side-by-side perforating drill of claim 1, wherein: the hollow drill component also comprises a spline nut (5) and a spline shaft (6) which has axial movement freedom with the spline nut (5), and the drill bit (3) is fixedly arranged on the spline shaft (6).

3. The side-by-side perforating drill of claim 1, wherein: the side-by-side perforating drill further comprises a fixing plate (7) and a supporting rod (8), wherein the fixing plate (7) is located above the base (2) and is fixedly connected with the base (2) through the supporting rod (8).

4. A side-by-side hole drill according to claim 3, wherein: the lifting assembly comprises a cylinder body (9), a cylinder driving rod (10), a double-row angular contact ball bearing (11) and a connecting block (12) fixedly connected with one end of the cylinder driving rod (10); the cylinder body (9) is arranged on the fixing plate (7); the double-row angular contact ball bearing (11) comprises an outer ring (111), an inner ring (112) and steel balls, the outer ring (111) is fixedly connected with a connecting block (12), the inner ring (112) is fixedly connected with the spline shaft (6), the cylinder driving rod (10) drives the double-row angular contact ball bearing (11) to move downwards through the connecting block (12) to drive the spline shaft (6) and the drill bit (3) to move downwards, and the drill bit (3) is driven to move upwards when the cylinder driving rod (10) resets.

5. A side-by-side hole drill according to claim 3, wherein: the discharging assembly comprises a thimble (13), the upper end of the thimble (13) is fixedly arranged on the fixing plate (7) through a nut, and the lower end of the thimble penetrates through the drill hole of the drill bit (3).

6. The side-by-side perforating drill of claim 1, wherein: the number of the punching mechanisms is 6, the punching mechanisms are arranged in two rows in a staggered mode, and 3 punching mechanisms are uniformly arranged in each row.

7. The side-by-side perforating drill of claim 2, wherein: the transmission piece comprises a driving wheel (41), a driven wheel (42) and a synchronous belt (43); the motor (1) is fixedly installed on the base (2) through the bottom plate, a driving wheel (41) is installed on an output shaft of the motor (1), a driven wheel (42) is fixedly installed on the spline nut (5), and the driving wheel (41) is connected with the driven wheel (42) through a synchronous belt (43).

8. The side-by-side hole drill of claim 7, wherein: a strip-shaped groove (21) is formed in the base (2), a supporting shaft is fixedly mounted in the strip-shaped groove (21), the supporting shaft can move back and forth in the strip-shaped groove (21) to adjust the mounting position, a tensioning wheel (44) is mounted at the upper end of the supporting shaft, and the tensioning wheel (44) is connected with the synchronous belt (43).

9. The side-by-side perforating drill of claim 1, wherein: the transmission part comprises a driving chain wheel, a driven chain wheel and a chain; the motor (1) is fixedly connected with the base (2) through a bottom plate, a driving chain wheel is installed on an output shaft of the motor (1), a driven chain wheel is installed on the outer peripheral surface of the spline shaft (6), and the driving chain wheel is connected with the driven chain wheel through a chain.

10. The side-by-side perforating drill of claim 5, wherein: and a housing (4) is arranged between the fixed plate (7) and the base (2).

Technical Field

The invention belongs to the technical field of punching drills, and particularly relates to a side-by-side punching drill.

Background

The automatic cutting bed is an automatic cutting device used in the textile and clothing industry, leather industry, automobile seat industry and furniture industry. In the process of cutting the clothing fabric by the automatic cutting bed, holes are often needed to be punched on the fabric as marks, and the punched marks are used for positioning the fabric during sewing. According to different fabrics, the drill bit needs to be replaced for many times due to different apertures, so that the time is wasted, and the operation is complicated.

Chinese patent (publication No. CN207840214U, published: 2018.09.11) discloses a cutting bed punching mechanism capable of quickly replacing a drill bit, which comprises a motor, a bracket, a chuck, a drill sleeve, a guide block, a guide shaft and a bearing seat, wherein the motor is arranged in the center of the bracket, the motor is connected with the upper part of the chuck under the motor, the chuck is connected with the drill bit, and the motor can drive the chuck and the drill bit to move up and down; the two bearing seats are symmetrically arranged on the two sides of the bracket; the upper part of the guide shaft penetrates through the bearing seat and is provided with a boss to prevent downward slipping, and the lower part of the guide shaft is fixedly connected with the guide block; a drill bushing is arranged in the center of the guide block, and a drill bit passes through the center hole of the drill bushing; the chuck is connected with the drill bit in a buckling mode, and the drill sleeve can be pressed and limited in the guide block. According to the scheme, the upper part of the drill bit is buckled by the locking sleeve, the drill sleeve adopts the design of the locking notch, the drill bit replacement time is saved, and the production efficiency of the cutting bed is still reduced by stopping the machine to replace the drill bit.

Disclosure of Invention

The invention aims to solve the technical problems and provides a side-by-side perforating drill.

The purpose of the invention can be realized by the following technical scheme:

the utility model provides a side by side formula drill that punches, includes motor, base and the mechanism of punching, the mechanism of punching includes lifting unit, the subassembly of unloading and has the core drill subassembly of drill bit, lifting unit drive core drill subassembly reciprocates its characterized in that: the base is provided with a plurality of punching mechanisms; the motor drives the drill bit in the punching mechanism to rotate through the transmission part, and the drilling hole diameters of the drill bits in the punching mechanisms are different from each other.

In the side-by-side perforating drill, the hollow drill component further comprises a spline nut and a spline shaft with axial movement freedom with the spline nut, and the drill bit is fixedly arranged on the spline shaft.

In foretell side by side formula of punching bore, this side by side formula of punching bore still includes fixed plate and bracing piece, the fixed plate is located the top of base just links firmly with the base through the bracing piece.

In the above side-by-side perforating drill, the lifting assembly comprises a cylinder body, a cylinder driving rod, a double-row angular contact ball bearing and a connecting block fixedly connected with one end of the cylinder driving rod; the cylinder body of the cylinder is arranged on the fixed plate; the double-row angular contact ball bearing comprises an outer ring, an inner ring and steel balls, the outer ring is fixedly connected with a connecting block, the inner ring is fixedly connected with the spline shaft, the air cylinder driving rod drives the double-row angular contact ball bearing to move downwards through the connecting block to drive the spline shaft and the drill bit to move downwards, and the air cylinder driving rod drives the drill bit to move upwards when resetting.

In the above-mentioned side-by-side perforating drill, the discharge assembly includes a thimble, the upper end of the thimble is fixedly mounted on the fixing plate through a nut, and the lower end of the thimble penetrates through the drill hole of the drill bit.

In the side-by-side perforating drill, the number of the perforating mechanisms is 6, the perforating mechanisms are arranged in two rows in a staggered manner, and each row is uniformly provided with 3 perforating mechanisms.

In the above side-by-side perforating drill, the transmission member includes a driving wheel, a driven wheel and a synchronous belt; the motor is fixedly installed on the base through the bottom plate, the driving wheel is installed on an output shaft of the motor, the driven wheel is fixedly installed on the spline nut, and the driving wheel is connected with the driven wheel through the synchronous belt.

In the side-by-side perforating drill, a strip-shaped groove is formed in the base, a supporting shaft is fixedly mounted in the strip-shaped groove, the supporting shaft can move back and forth in the strip-shaped groove to adjust the mounting position, a tensioning wheel is mounted at the upper end of the supporting shaft, and the tensioning wheel is connected with the synchronous belt.

In the above side-by-side perforating drill, the transmission member includes a driving sprocket, a driven sprocket and a chain; the motor is fixedly connected with the base through the bottom plate, a driving chain wheel is installed on an output shaft of the motor, a driven chain wheel is installed on the outer peripheral surface of the spline shaft, and the driving chain wheel is connected with the driven chain wheel through a chain.

In the side-by-side perforating drill, a cover is arranged between the fixing plate and the base.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the plurality of drill bits with different apertures are arranged, so that a user can select the drill bits as required, the drill bits can be replaced without stopping the machine, time and labor are saved, convenience and safety of operation are improved, continuous processing is ensured, the automation degree is high, and the working efficiency is greatly improved.

2. According to the invention, the ejector pin is arranged, and when each punching is finished, the ejector pin punches out the waste material in the drill bit to finish discharging, so that the subsequent punching is facilitated, and the blockage is avoided.

3. The sewing machine has a compact structure and reliable work, and can meet the personalized sewing requirement to the maximum extent.

Drawings

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

Fig. 2 is a schematic view of the internal structure of the present invention.

FIG. 3 is a schematic view of a single punch mechanism of the present invention.

Fig. 4 is a schematic structural view of the base in the present invention.

In the figure, 1, a motor; 2. a base; 21. a strip-shaped groove; 3. a drill bit; 4. a housing; 41. a driving wheel; 42. a driven wheel; 43. a synchronous belt; 44. a tension wheel; 5. a spline mother; 6. a spline shaft; 7. a fixing plate; 8. a support bar; 9. a cylinder block; 10. a cylinder driving rod; 11. a double row angular contact ball bearing; 111. an outer ring; 112. an inner ring; 12. connecting blocks; 13. and (4) a thimble.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 4, the side-by-side type hole drilling drill comprises a motor 1, a base 2 and a hole drilling mechanism, wherein the hole drilling mechanism comprises a lifting assembly, a discharging assembly and a hollow drill assembly with a drill bit 3, and the lifting assembly drives the hollow drill assembly to move up and down; a plurality of punching mechanisms are arranged on the base 2; the motor 1 drives the drill bit 3 in the punching mechanism to rotate through the transmission part, and the drilling hole diameters of the drill bits 3 in the plurality of punching mechanisms are different.

During operation, starter motor 1, motor 1 pass through the drill bit 3 rotation of all aperture diverse of driving medium drive, afterwards, when the drill bit 3 that needs use one of them aperture punches, then only need start the lifting unit who installs in the mechanism of punching of this drill bit 3, and lifting unit drive hollow drill subassembly moves down, can accomplish the action of punching. According to the invention, the plurality of drill bits 3 with different apertures are arranged, so that a user can select the drill bits as required, the drill bits can be replaced without stopping the machine, time and labor are saved, convenience and safety of operation are improved, continuous processing is ensured, the automation degree is high, and the working efficiency is greatly improved.

As a further refinement of the embodiment, the core drill assembly further comprises a spline housing 5 and a spline shaft 6 having freedom of axial movement with the spline housing 5, the drill bit 3 being fixedly mounted on the spline shaft 6. The spline connection has the advantages of high centering precision and good stability, so that the drill bit is accurately positioned, and the punched hole is accurate. The spline shaft 6 fixes the drill bit 3 through an ER drill chuck, the structure is easy to lock, and the drill bit 3 is convenient to replace.

As shown in fig. 2, the side-by-side perforating drill further includes a fixing plate 7 and a supporting rod 8, wherein the fixing plate 7 is located above the base 2 and is fixedly connected with the base 2 through the supporting rod 8.

The lifting assembly comprises a cylinder body 9, a cylinder driving rod 10, a double-row angular contact ball bearing 11 and a connecting block 12 fixedly connected with one end of the cylinder driving rod 10; the cylinder body 9 is arranged on the fixed plate 7; the double-row angular contact ball bearing 11 comprises an outer ring 111, an inner ring 112 and steel balls, the outer ring 111 is fixedly connected with the connecting block 12, the inner ring 112 is fixedly connected with the spline shaft 6, the air cylinder driving rod 10 drives the double-row angular contact ball bearing 11 to move downwards through the connecting block 12 to drive the spline shaft 6 and the drill bit 3 to move downwards, and when the air cylinder driving rod 10 resets, the drill bit 3 is driven to move upwards.

The outer ring 111 and the inner ring 112 of the double-row angular contact ball bearing 11 are connected by steel balls, the inner ring 112 can rotate relative to the outer ring 111, can bear radial load and axial load at the same time, can limit axial displacement, and can work at a high rotating speed.

When punching, a user selects a proper drill bit 3 as required, and after the drill bit 3 is determined, the air cylinder body 9 in the corresponding lifting assembly is started, the air cylinder driving rod 10 extends downwards to push the connecting block 12 fixedly connected with the air cylinder driving rod to move downwards, so that the double-row angular contact ball bearing 11 is driven to move downwards, the spline shaft 6 fixedly connected to the inner ring 112 of the double-row angular contact ball bearing 11 also moves downwards along with the double-row angular contact ball bearing, the drill bit 3 fixedly installed on the spline shaft 6 is driven to move downwards, and the punching action is completed.

Specifically, the discharging assembly comprises a thimble 13, the upper end of the thimble 13 is fixedly mounted on the fixing plate 7 through a nut, and the lower end of the thimble passes through the drill hole of the drill bit 3. When the punching is finished at every time, the cylinder driving rod 10 resets upwards and drives the drill bit 3 to move upwards, the ejector pin 13 can flush out waste materials in the drill bit 3 to finish discharging, so that the subsequent punching is facilitated, and the blockage is avoided.

Preferably, the number of the punching mechanisms is 6, the punching mechanisms are arranged in two rows in a staggered mode, and 3 punching mechanisms are uniformly arranged in each row. The sewing machine is compact in structure and can meet the personalized sewing requirement to the maximum extent.

In order to facilitate the high-speed rotation of the drill bit 3, the transmission members of the present invention include a driving pulley 41, a driven pulley 42, and a timing belt 43; the motor 1 is fixedly arranged on the base 2 through a bottom plate, a driving wheel 41 is arranged on an output shaft of the motor 1, a driven wheel 42 is fixedly arranged on the spline nut 5, and the driving wheel 41 is connected with the driven wheel 42 through a synchronous belt 43. Meanwhile, a strip-shaped groove 21 is formed in the base 2, a supporting shaft is fixedly mounted in the strip-shaped groove 21, the supporting shaft can move back and forth in the strip-shaped groove 21 to adjust the mounting position, a tension pulley 44 is mounted at the upper end of the supporting shaft, and the tension pulley 44 is connected with a synchronous belt 43.

The synchronous belt 43 has no sliding during transmission work, accurate transmission ratio and high transmission efficiency. During normal work, starter motor 1, motor 1 pass through output shaft drive action wheel 41 and rotate, and action wheel 41 passes through hold-in range 43 and drives from the driving wheel 42 rotation, drives the female 5 rotations of spline on driven wheel 42 of fixed mounting, and drive integral key shaft 6 rotates, finally drives the drill bit 3 rotation of fixed mounting on integral key shaft 6. At this time, the spline shaft 6 in a rotating state drives the inner ring 112 of the double-row angular contact ball bearing 11 to rotate relative to the outer ring 111, and the outer ring 111 does not move, so that the connecting block 12 and the cylinder driving rod 10 are not driven to rotate, that is, the cylinder driving rod 10 is not affected.

The invention can adopt chain transmission besides the above belt transmission, and specifically comprises the following steps: the transmission part comprises a driving chain wheel, a driven chain wheel and a chain; motor 1 links firmly with base 2 through the bottom plate, installs drive sprocket on motor 1's the output shaft, and driven sprocket is installed to 6 outer peripheral faces of integral key shaft, and drive sprocket and driven sprocket pass through the chain and link to each other. The chain transmission has the advantages of no elastic sliding and slipping phenomena, accurate average transmission ratio, reliable work and high efficiency.

In order to protect the safety of the motor 1 and the punching mechanism, the cover 4 is particularly arranged between the fixing plate 7 and the base 2, so that the whole body is more integrated and beautiful.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Although the terms base 2, drill bit 3, transmission member, spline nut 5, spline shaft 6, double row angular contact ball bearing 11, cylinder driving rod 10, connecting block 12, thimble 13, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.