CN216859137U

CN216859137U - Portable electric spindle taper hole grinding machine

Info

Publication number: CN216859137U
Application number: CN202220216086.1U
Authority: CN
Inventors: 韩东
Original assignee: Jilin Yingchuang Automation Technology Co ltd
Current assignee: Jilin Yingchuang Automation Technology Co ltd
Priority date: 2022-01-26
Filing date: 2022-01-26
Publication date: 2022-07-01
Anticipated expiration: 2032-01-26

Abstract

The utility model discloses a portable electric spindle taper hole grinding machine which comprises a motor, wherein the output end of the motor is in transmission connection with a transmission rod, a positioning block is arranged inside the transmission rod, one end of the positioning block is provided with two positioning mechanisms, the other end of the positioning block is fixedly connected with a grinding head, each positioning mechanism comprises a connecting rod, a compression spring, a connecting block and a clamping block, one end of each positioning block is provided with a through groove, the connecting block is fixedly connected with the inner wall of the through groove, the connecting rods are in sliding penetrating connection with the connecting blocks, one end of each connecting block is fixedly connected with the clamping block, the compression springs are sleeved outside the connecting rods, one ends of the compression springs are fixedly connected with the clamping blocks, and the other ends of the compression springs are fixedly connected with the connecting blocks. According to the utility model, the connecting rod, the compression spring, the connecting block, the clamping block and the limiting block in the positioning block are matched, and the clamping block is pressed, so that the grinding head can be quickly replaced, and the working efficiency of workers is effectively improved.

Description

Portable electric spindle taper hole grinding machine

Technical Field

The utility model relates to the technical field of taper hole grinders, in particular to a portable electric spindle taper hole grinder.

Background

The grinding machine is a grinding machine for grinding the surface of a workpiece by a grinding tool coated with or embedded with an abrasive. The grinding machine is mainly used for grinding high-precision planes, inner and outer cylindrical surfaces, conical surfaces, spherical surfaces, threaded surfaces and other molded surfaces in workpieces, the conical hole is a hole machined on a solid material by using a drill bit, the hole machining of various parts is completed by lathes such as turning, boring and milling except a part, the most part is completed by a bench worker by using a drilling machine and a drilling tool, and the grinding machine for the conical hole is usually used for grinding the conical hole after the conical hole is completed.

At present, the grinding head of the spindle taper hole grinding machine used in the market is mostly fixed on a device by bolts, the grinding head is inconvenient to disassemble, assemble and replace, the working efficiency of workers is difficult to improve, and the working time of the workers is saved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a portable electric spindle taper hole grinder to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a portable electric spindle taper hole grinding machine comprises a motor, wherein the output end of the motor is in transmission connection with a transmission rod, one end of the transmission rod is provided with a first groove, the inner cavity of the first groove is in sliding insertion connection with a positioning block, one end of the positioning block is provided with two positioning mechanisms which are symmetrically arranged, and the other end of the positioning block is fixedly connected with a grinding head;

positioning mechanism is including connecting rod, compression spring, connecting block, fixture block and stopper, logical groove has been seted up to one side of locating piece, the connecting block is connected with the inner wall fixed connection who leads to the groove, the connecting rod alternates with the connecting block slip and is connected, the one end and the fixture block fixed connection of connecting rod, the stopper alternates with the other end fixed connection of connecting rod, the outside of connecting rod is located to the compression spring cover, compression spring's one end and fixture block fixed connection, compression spring's the other end and connecting block fixed connection, spacing groove has all been seted up with the bottom on the top of first recess inner wall, fixture block alternates with spacing groove slip and is connected.

Preferably, a base is arranged below the motor, a bearing seat is connected to the base, and the motor is fixedly mounted at the top end of the bearing seat.

Preferably, the second recess has been seted up at the top of base, the inside of second recess is provided with moving mechanism, moving mechanism is including the lead screw, supports slide bar and slider, the slider middle part alternates with the lead screw thread and is connected, support slide bar and slider slip alternate and be connected, the both ends of lead screw all alternate with the inner wall rotation of second recess and be connected, two the both ends of supporting the slide bar all with the inner wall fixed connection of second recess.

Preferably, one end of the screw rod is fixedly inserted and connected with a handle.

Preferably, one side of the handle is connected with a fixing pin in a sliding and inserting manner, one side of the base is provided with a plurality of positioning holes which are circumferentially arranged, and the fixing pin is connected with the inner cavity of each positioning hole in a sliding and inserting manner.

Preferably, the top end of the sliding block is fixedly connected with the bottom end of the bearing seat.

The utility model has the technical effects and advantages that:

(1) according to the utility model, the connecting rod, the compression spring, the connecting block, the clamping block and the limiting block in the positioning block are matched, and the clamping block is pressed, so that the grinding head can be quickly replaced, and the working efficiency of workers is effectively improved;

(2) the utility model utilizes the arrangement mode of the screw rod, the supporting slide rod and the slide block which are matched, and the movement of the slide block can be controlled through the rotation of the handle, thereby controlling the grinding head to move in the horizontal direction, grinding the electric spindle and controlling the grinding depth of the hole.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

FIG. 2 is a schematic diagram of the front internal structure of the present invention.

FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention.

FIG. 4 is a schematic structural diagram of a moving mechanism according to the present invention.

In the figure: 1. a motor; 2. a transmission rod; 3. positioning blocks; 4. a positioning mechanism; 41. a connecting rod; 42. a compression spring; 43. connecting blocks; 44. a clamping block; 45. a limiting block; 5. a base; 6. a moving mechanism; 61. a lead screw; 62. supporting the sliding rod; 63. a slider; 7. a handle; 8. a fixing pin; 9. a bearing seat; 10. a grinding head.

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 utility model provides a portable electric spindle taper hole grinding machine as shown in figures 1-4, which comprises a motor 1, wherein the motor 1 is electrically connected with an external power supply through an external switch, the output end of the motor 1 is in transmission connection with a transmission rod 2, one end of the transmission rod 2 is provided with a first groove, the inner cavity of the first groove is in sliding and penetrating connection with a positioning block 3, one end of the positioning block 3 is provided with two positioning mechanisms 4, the two positioning mechanisms 4 are symmetrically arranged, the other end of the positioning block 3 is fixedly connected with a grinding head 10, the positioning mechanism 4 comprises a connecting rod 41, a compression spring 42, a connecting block 43, a clamping block 44 and a limiting block 45, one side of the positioning block 3 is provided with a through groove, the connecting block 43 is fixedly connected with the inner wall of the through groove, the connecting rod 41 is in sliding and penetrating connection with the connecting block 43, one end of the connecting rod 41 is fixedly connected with the clamping block 44, the limiting block 45 is fixedly connected with the other end of the connecting rod 41, the limiting block 45 has a limiting effect on the connecting rod 41. The compression spring 42 is sleeved outside the connecting rod 41, one end of the compression spring 42 is fixedly connected with the fixture block 44, the other end of the compression spring 42 is fixedly connected with the connecting block 43, the compression spring 42 is in a compression state, the compression spring 42 has an outward force on the fixture block 44 in the compression state, the top end and the bottom end of the inner wall of the first groove are both provided with a limiting groove, the fixture block 44 is in sliding penetrating connection with the limiting groove, when the fixture block 44 slides to the limiting groove, the compression spring 42 can clamp the fixture block 44 into the limiting groove to complete the fixation of the grinding head 10 and facilitate the replacement of the grinding head 10, the base 5 is arranged below the motor 1, the base 5 mainly plays a role of bearing the whole device, the bearing seat 9 is connected on the base 5, the motor 1 is fixedly arranged at the top end of the bearing seat 9, the top of the base 5 is provided with a second groove, the moving mechanism 6 is arranged inside the second groove, the moving mechanism 6 comprises a screw 61, a supporting slide rod 62 and a slide block 63, the middle part of the slide block 63 is in threaded penetration connection with the screw 61, the supporting slide rod 62 is in sliding penetration connection with the slide block 63, both ends of the screw 61 are in rotational penetration connection with the inner wall of the second groove, both ends of the two supporting slide rods 62 are fixedly connected with the inner wall of the second groove, the slide block 63 is in threaded penetration connection with the screw 61 through a ball nut seat, arc-shaped spiral grooves are processed on the nut and the screw 61, when the nut and the screw 61 are sleeved together, a spiral raceway is formed, balls are filled in the raceway, when the screw 61 rotates relative to the nut, the screw and the nut generate axial displacement, the balls can roll along the raceway to reduce friction resistance, after rolling on the screw 61 for a plurality of circles, the balls roll back to the space between the screw 61 and the nuts in the slide block 63 one by one to form a closed loop pipeline, so as to realize that the slide block 63 horizontally displaces on the screw 61 and the supporting slide rod 62, support slide bar 62 has played the supporting role when translating slider 63, the one end fixed interlude of lead screw 61 is connected with handle 7, horizontal slip direction and distance that can control slider 63 through rotating handle 7, one side sliding interlude of handle 7 is connected with fixed pin 8, a plurality of locating holes have been seted up to one side of base 5, a plurality of locating holes are the circumference and arrange, fixed pin 8 is connected with the inner chamber sliding interlude of locating hole, slider 63's top and the bottom fixed connection who bears seat 9, can fix handle 7 through fixed pin 8, prevent that the mistake from touching the influence and grind, the edge department of base 5 bottom all sets up threaded hole, be convenient for to the fixed of whole device and dismantle.

The working principle of the utility model is as follows: when the portable electric spindle taper hole grinding machine needs to replace the grinding head 10, the fixture block 44 is pressed, the fixture block 44 drives the connecting rod 41 to slide in the through groove, the grinding head 10 is pulled, the grinding head 10 and the positioning block 3 can be pulled out, the grinding head 10 is screwed out of the positioning block 3 for replacement, the fixture block 44 is pressed again, the positioning block 3 is plugged into the first groove of the transmission rod 2, when the fixture block 44 slides to the limiting groove, the fixture block 44 can be clamped into the limiting groove again by the compression spring 42, and replacement of the grinding head 10 is completed;

when using this portable electricity main shaft taper hole to grind machine to electric main shaft, fix base 5 on the workstation, aim at the hole of the electric main shaft that needs the grinding with grinding head 10, start motor 1, motor 1 drives transfer line 2 and rotates to drive grinding head 10 and grind, rotate through handle 7, thereby control slider 63 carries out the ascending removal of horizontal direction, thereby drives and bears the seat 9 and carry out the ascending removal of horizontal direction, thereby the degree of depth that control grinding head 10 ground.

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 utility model.

Claims

1. A portable electric spindle taper hole grinding machine comprises a motor (1) and is characterized in that the output end of the motor (1) is connected with a transmission rod (2) in a transmission manner, one end of the transmission rod (2) is provided with a first groove, the inner cavity of the first groove is connected with a positioning block (3) in a sliding and penetrating manner, one side of the positioning block (3) is provided with two positioning mechanisms (4), the two positioning mechanisms (4) are symmetrically arranged, and the other side of the positioning block (3) is fixedly connected with a grinding head (10);

the positioning mechanism (4) comprises a connecting rod (41), a compression spring (42), a connecting block (43), a clamping block (44) and a limiting block (45), a through groove is arranged on one side of the positioning block (3), the connecting block (43) is fixedly connected with the inner wall of the through groove, the connecting rod (41) is connected with the connecting block (43) in a sliding and penetrating way, one end of the connecting rod (41) is fixedly connected with the clamping block (44), the limiting block (45) is fixedly connected with the other end of the connecting rod (41) in a penetrating way, the compression spring (42) is sleeved outside the connecting rod (41), one end of the compression spring (42) is fixedly connected with the clamping block (44), the other end of the compression spring (42) is fixedly connected with a connecting block (43), the top and the bottom of the inner wall of the first groove are both provided with a limiting groove, and the clamping block (44) is connected with the limiting groove in a sliding and penetrating manner.

2. A portable electric spindle taper hole grinder according to claim 1, characterized in that a base (5) is arranged under the motor (1), a bearing seat (9) is connected to the base (5), and the motor (1) is fixedly mounted on the top end of the bearing seat (9).

3. The portable electric spindle taper hole grinder according to claim 2, wherein a second groove is formed in the top of the base (5), a moving mechanism (6) is arranged inside the second groove, the moving mechanism (6) comprises a lead screw (61), a supporting slide rod (62) and a slide block (63), the middle of the slide block (63) is in threaded insertion connection with the lead screw (61), the supporting slide rod (62) is in sliding insertion connection with the slide block (63), two ends of the lead screw (61) are in rotating insertion connection with the inner wall of the second groove, and two ends of the supporting slide rod (62) are fixedly connected with the inner wall of the second groove.

4. A portable electric spindle taper hole grinder according to claim 3, characterized in that a handle (7) is fixedly inserted and connected to one end of the lead screw (61).

5. The portable electric spindle taper hole grinding machine according to claim 4, wherein a fixing pin (8) is slidably inserted and connected to one side of the handle (7), a plurality of positioning holes are formed in one side of the base (5), the plurality of positioning holes are circumferentially arranged, and the fixing pin (8) is slidably inserted and connected to inner cavities of the positioning holes.

6. A portable electric spindle taper hole grinder as claimed in claim 4, characterised in that the top end of the slide block (63) is fixedly connected with the bottom end of the bearing seat (9).