CN216804987U

CN216804987U - Driving device of electric graver

Info

Publication number: CN216804987U
Application number: CN202220209627.8U
Authority: CN
Inventors: 董小牧
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-25
Filing date: 2022-01-25
Publication date: 2022-06-24
Anticipated expiration: 2032-01-25

Abstract

A driving device of an electric graver relates to the technical field of engraving tools. It comprises a mounting sleeve; the fixed cutter holder is assembled at one end of the mounting sleeve in a sliding manner; the balance wheel drives the sliding pull rod to push the fixed cutter holder to carve under the action of the electric driving component; the sliding pull rod is sleeved with a pressure spring sleeve seat, and a reset spring is arranged between the sliding pull rod and the pressure spring sleeve seat. By adopting the technical scheme, the novel energy-saving water heater has the advantages of convenience in operation, reasonable structure, low energy consumption, small size, convenience in carrying and low noise.

Description

Driving device of electric graver

Technical Field

The utility model relates to the technical field of engraving tools, in particular to a driving device of an electric engraving knife.

Background

The pneumatic carving knife is a common tool widely applied to carving ornaments, has the advantages of small volume and convenience in carrying and operation, and is popular with carving processors. The pneumatic graver makes the piston inside the knife perform reciprocating motion through a pneumatic circuit, and continuously impacts the shell in the reciprocating motion process so as to ensure that the graver fixed at the end part of the shell generates frequent vibration, the vibrating graver realizes engraving different shapes or patterns on articles, the pneumatic graver is generally held in the hand, and the aim of vibrating the graver is fulfilled by opening and closing the air valve in the engraving process.

However, the pneumatic gold carving knife uses gas as kinetic energy, and needs to be provided with an inflating pump and a gas regulator, so that the pneumatic gold carving knife has the defects of high cost, heavy weight, inconvenience in carrying, high energy consumption, high noise and the like. Therefore, improvement is urgently needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a driving device of an electric graver, aiming at the defects and shortcomings of the prior art, and having the advantages of convenient overall operation, reasonable structure, low energy consumption, small volume, portability and low noise.

In order to achieve the purpose, the utility model adopts the technical scheme that: a drive device for an electric graver, comprising: installing a sleeve; the fixed cutter holder is assembled at one end of the mounting sleeve in a sliding manner; the balance wheel drives the sliding pull rod to push the fixed cutter holder to carve under the action of the electric driving component; the sliding pull rod is sleeved with a pressure spring sleeve seat, and a reset spring is arranged between the sliding pull rod and the pressure spring sleeve seat.

The utility model is further arranged in that one end of the sliding pull rod, which is close to the fixed cutter holder, is provided with a driving push plate, and the other end of the sliding pull rod is provided with an abutting convex block for matching the balance wheel.

The utility model is further arranged in that the balance comprises: the upper action wheel and the lower balance wheel are coaxially and symmetrically arranged, the upper action wheel is matched with the abutting convex block under the action of the electric drive assembly, and the lower balance wheel is used for high-speed rotation balance swing.

The utility model is further provided with a force adjusting component arranged on the outer side of the mounting sleeve, wherein the force adjusting component comprises a buckling push rod and an adjusting connecting rod; the adjusting connecting rod is driven by the buckling push rod and at least has a first position for pushing the pressure spring sleeve seat to slide so as to compress the return spring and a second position for releasing the compression of the return spring and simultaneously limiting the pressure spring sleeve seat to be separated from the mounting sleeve.

The utility model is further arranged in that the adjusting connecting rod comprises a rotary sliding block which is rotatably assembled on the main body and a transverse sliding block which is slidably assembled on the main body; one end of the rotating sliding block is pivoted to the buckling push rod, the other end of the rotating sliding block is abutted to the adjusting lug on the transverse sliding block, when the buckling push rod slides under stress, the rotating sliding block drives the compression lug on the transverse sliding block to push the compression spring sleeve seat to compress the reset spring, and the installation sleeve is provided with a compression groove for the sliding assembly of the compression lug.

The utility model is further provided with a containing groove for the movement assembly of the balance wheel is arranged at one end of the sliding pull rod, which is far away from the fixed cutter holder.

In the present invention, the abutting projection is curved in a direction of rotation of the balance.

The utility model is further arranged such that the upper reaction wheel and the lower balance wheel are both semi-circular wheels.

The utility model is further provided that the electric drive assembly is any one of a motor-driven worm gear device and a motor-driven planetary gear device.

After the technical scheme is adopted, the utility model has the beneficial effects that:

in the utility model, the electric drive assembly can drive the sliding pull rod to push the fixed cutter seat to impact forwards, and the sliding pull rod continuously impacts the fixed cutter seat in the reciprocating motion process to generate frequent vibration, so that the cutter head can carve objects. Meanwhile, the push rod can be pressed and buckled, so that the push rod can move relative to the main body, the elastic force is increased by adjusting the connecting rod to compress the reset spring, the impact force is increased, the carving acting force of the carving knife on an object is increased, the integral operation is convenient, the structure is reasonable, the energy consumption is low, the size is small, the carrying is convenient, and the noise is low.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present embodiment;

fig. 2 is an exploded view of a part of the structure in the present embodiment;

FIG. 3 is a partial structural view in the present embodiment;

FIG. 4 is a schematic diagram of a force adjustment assembly in the present embodiment;

FIG. 5 is a schematic diagram of another state of the force adjustment assembly in the present embodiment;

fig. 6 is a schematic view of the operating state of the balance in the present embodiment;

fig. 7 is a schematic view of another operating condition of the balance wheel of the present embodiment;

fig. 8 is a schematic structural diagram of another embodiment.

Description of reference numerals: 1. a main body; 2. installing a sleeve; 3. an electric control module; 4. fixing the tool apron; 5. a sliding pull rod; 6. a balance wheel; 7. an electric drive assembly; 71. a worm gear; 72. a flexible shaft; 73. a planetary gear transmission; 8. a pressure spring sleeve seat; 9. a return spring; 10. a force adjusting component; 101. the push rod is buckled; 102. adjusting the connecting rod; 51. driving the push plate; 52. abutting the bump; 61. an upper action wheel; 62. a lower balance wheel; 103. rotating the slide block; 104. a transverse slide block; 1041. adjusting the bump; 1042. compressing the bump; 1043. compressing the groove; 53. a containing groove; 41. a cutter head; 31. a speed regulation knob; 32. a foot switch.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment as necessary without making a contribution thereto after reading the present specification, but all are protected by patent laws within the scope of the claims of the present invention.

The present embodiment relates to an electric graver, as shown in fig. 1, comprising: the device comprises a main body 1, a mounting sleeve 2 and an electric control module 3; a fixed cutter holder 4 slidably fitted to one end of the mounting sleeve 2; a sliding pull rod 5 assembled at the other end of the mounting sleeve 2 in a sliding manner, a balance wheel 6 and an electric drive component 7 electrically connected to the electric control module 3, wherein the sliding pull rod 5 abuts against the fixed cutter holder 4, a pressure spring sleeve seat 8 is sleeved on the sliding pull rod 5, a return spring 9 is arranged between the sliding pull rod 5 and the pressure spring sleeve seat 8, and a detachable cutter head 41 is assembled on the fixed cutter holder 4; under the action of the electric drive assembly 7, the sliding pull rod 5 is pulled and released through the rotation action of the balance wheel 6, and meanwhile, a compression spring which is sleeved on the sliding pull rod 5 is subjected to compression and extension cyclic reciprocating motion. Meanwhile, the sliding pull rod 5 can move back and forth to impact the tail of the fixed tool apron 4 through the head, so that the tool bit 41 fixed on the fixed tool apron 4 is driven to do impact movement, and the tool bit 41 can carve objects.

As shown in fig. 2, a driving push plate 51 is disposed at one end of the sliding pull rod 5 close to the fixed knife holder 4, and an abutting projection 52 for the balance wheel 6 to engage is disposed at the other end of the sliding pull rod 5. The driving push plate 51 is used for abutting against the tail part of the fixed cutter holder 4 and ensuring that the impact force of the sliding pull rod 5 can be better transmitted to the fixed cutter holder 4. As shown in fig. 1 and 2, the balance 6 comprises: an upper action wheel 61 and a lower balance wheel 62 which are coaxially and symmetrically arranged, wherein the upper action wheel 61 is matched with the abutting convex block 52 under the action of the electric drive assembly 7, and the lower balance wheel 62 is used for high-speed rotation balanced swing. One end of the sliding pull rod 5, which is far away from the fixed knife holder 4, is provided with a containing groove 53 for the movement assembly of the balance wheel 6, so that the volume of the electric graver is further saved, and the overall structure layout is reasonable.

As shown in fig. 6 and 7, the contact projection 52 is curved in the direction of rotation of the balance 6. The upper reaction wheel 61 and the lower balance wheel 62 are both semicircular wheels. In the present embodiment, the balance 6 rotates counterclockwise, and the curved high point of the balance 6 forces the abutment projection 52 at the tail of the sliding rod 5 to move rightward, so that the sliding rod 5 moves together while the return compression spring is compressed. When the balance wheel 6 rotates 180 degrees anticlockwise, the abutting convex block 52 at the tail part of the sliding pull rod 5 reaches the curve highest point of the balance wheel 6, as shown in fig. 6, and meanwhile, the reset pressure spring is compressed to the maximum degree; the balance wheel 6 rotates for 180 degrees continuously, the abutting convex block 52 at the tail part of the sliding pull rod 5 is separated from the curve highest point of the balance wheel 6, and the sliding pull rod 5 makes impact motion leftwards again under the action of the elastic force of the reset pressure spring, as shown in fig. 7. When the balance wheel 6 continuously rotates and the sliding pull rod 5 also reciprocates, the cutter head 41 moves together with the sliding pull rod.

In the present embodiment, an inner stopper ring (not shown) for preventing the sliding rod 5 and the fixed cutter head 41 from slipping out is provided in the mounting sleeve 2. During the use, when fixed blade holder 4 received the impact force of slip pull rod 5 at every turn, will impact one section distance forward and accomplish once sculpture, because tool bit 41 supports the sculpture object all the time, under the effect of stress, tool bit 41 and fixed blade holder 4 reset after moving back, do preparation for the impact of second time, so realize the sculpture to the object repeatedly.

As shown in fig. 1-3, a force adjusting assembly 10 is further disposed on the outer side of the mounting sleeve 2, and the force adjusting assembly 10 includes a buckling push rod 101 and an adjusting connecting rod 102; as shown in fig. 4, the adjusting link 102 is driven by the locking push rod 101 to have at least a first position for pushing the compression spring sleeve seat 8 to slide so as to compress the return spring 9; as shown in fig. 5, the adjustment link 102 also has a second position in which the compression of the return spring 9 is released while restricting the release of the pressure spring sleeve holder 8 from the mounting sleeve 2.

Specifically, as shown in fig. 2 and 3, the adjusting link 102 includes a rotary slider 103 rotatably mounted on the main body 1, and a transverse slider 104 slidably mounted on the main body 1; one end of the rotating slider 103 is pivoted to the buckling push rod 101, and the other end of the rotating slider 103 abuts against the adjusting protrusion 1041 on the transverse slider 104, when the buckling push rod 101 slides under stress, the rotating slider 103 drives the compression protrusion 1042 on the transverse slider 104 to push the compression spring sleeve seat 8 so as to compress the return spring 9, it should be noted that a compression groove 1043 for slidably assembling the compression protrusion 1042 is formed in the mounting sleeve 2, so that the interference of the compression protrusion 1042 on the mounting sleeve 2 is avoided.

When the middle finger pulls the buckling push rod 101, the buckling push rod 101 slides axially from left to right, the tail of the buckling push rod 101 protrudes to drive the rotary slide block 103 to rotate around the center, the rotary slide block 103 drives the transverse slide block 104 to move transversely from right to left through the adjusting convex block 1041 of the transverse slide block 104, as the compression convex block 1042 at the tail of the transverse slide block 104 is abutted to the pressure spring sleeve seat 8, the pressure spring sleeve seat 8 is driven to move together, and meanwhile, the reset pressure spring is compressed, so that the elasticity of the reset spring 9 is increased, and the impact force is increased. Otherwise, when the middle finger is loosened, the pressure spring sleeve seat 8 is reset reversely under the action of elastic force, and simultaneously drives the transverse slide block 104, the rotary slide block 103 and the buckling push rod 101 to reset. At this time, the return spring 9 reaches the longest, the elastic force is reduced, and the impact force on the cutter head 41 is reduced. Therefore, when the user uses the multifunctional engraving machine, the user can control the buckling push rod 101 through the middle finger, so that the adjustment of different impact strength is achieved, and different engraving requirements are met.

As shown in fig. 1, the electronic control module 3 is electrically connected with a speed regulation knob 31 for regulating the rotation speed of the electric drive assembly 7; and/or, a foot switch 32 for controlling the start and stop of the electric drive assembly 7 is additionally connected, so that various engraving requirements are met. The electric control module 3 is powered by an AC220V power supply, and is changed into 12V direct current by an AC-DC power supply module, and then the brushless motor is driven to work by the brushless regulation. And a 12v lithium battery pack can be connected, so that the mobile outside work requirement is convenient.

In this embodiment, as shown in fig. 1, the electric driving assembly 7 is formed by driving a worm gear 71 by a motor through a flexible shaft 72; in other embodiments, as shown in fig. 8, the electric drive assembly 7 may also be a motor-driven planetary gearbox 73.

The working principle of the utility model is roughly as follows: in the embodiment, can work through automatically controlled module 3 intelligent control electric drive assembly 7 to drive slide pull rod 5 and promote fixed blade holder 4 and strike forward, thereby the fixed blade holder 4 of striking that does not stop at slide push rod reciprocating motion's in-process produces frequent vibration, thereby realizes that tool bit 41 carves article. Simultaneously can also press the knot and move push rod 101 for the knot moves push rod 101 and removes for main part 1 relatively, thereby makes elasticity strengthen through adjusting connecting rod 102 compression reset spring 9, and then increases the impact force, increases the sculpture sword to the sculpture effort of object, whole convenient operation, and is rational in infrastructure, and is simple controllable, small in size, portable.

The above description is only intended to illustrate the technical solution of the present invention and not to limit the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solution of the present invention should be covered by the scope of the claims of the present invention without departing from the spirit and scope of the technical solution of the present invention.

Claims

1. A drive device for an electric graver, comprising: a mounting sleeve (2);

a fixed cutter holder (4) which is assembled at one end of the mounting sleeve (2) in a sliding manner;

a sliding pull rod (5) which is assembled at the other end of the mounting sleeve (2) in a sliding way and is abutted against the fixed cutter holder (4),

the balance wheel (6) drives the sliding pull rod (5) to push the fixed cutter holder (4) to carve under the action of the electric drive assembly (7);

the sliding pull rod (5) is sleeved with a pressure spring sleeve seat (8), and the sliding pull rod (5) and the pressure spring sleeve seat (8) are provided with a reset spring (9) therebetween.

2. The driving device of an electric graver according to claim 1, wherein one end of the sliding pull rod (5) near the fixed knife holder (4) is provided with a driving push plate (51), and the other end of the sliding pull rod (5) is provided with an abutting bump (52) for the balance wheel (6) to cooperate with.

3. A driving device of an electric graver according to claim 2, wherein said balance (6) comprises: the upper action wheel (61) and the lower balance wheel (62) are coaxially and symmetrically arranged, the upper action wheel (61) is matched with the abutting lug (52) under the action of the electric drive assembly (7), and the lower balance wheel (62) is used for high-speed rotation balance swing.

4. The driving device of the electric graver according to claim 1, wherein a force adjusting component (10) is further arranged outside the mounting sleeve (2), and the force adjusting component (10) comprises a buckling push rod (101) and an adjusting connecting rod (102); the adjusting connecting rod (102) is driven by the buckling push rod (101) and at least has a first position for pushing the pressure spring sleeve seat (8) to slide so as to compress the return spring (9) and a second position for releasing the compression of the return spring (9) and limiting the pressure spring sleeve seat (8) to be separated from the mounting sleeve (2).

5. The drive device of an electric graver according to claim 4, wherein the adjusting link (102) comprises a rotary slider (103) rotatably mounted on the main body (1) and a transverse slider (104) slidably mounted on the main body (1);

one end of the rotating slider (103) is pivoted to the buckling push rod (101), the other end of the rotating slider is abutted to the adjusting lug (1041) on the transverse slider (104), when the buckling push rod (101) slides under stress, the rotating slider (103) drives the compression lug (1042) on the transverse slider (104) to push the pressure spring sleeve seat (8) so as to compress the reset spring (9), and the mounting sleeve (2) is provided with a compression groove (1043) for the sliding assembly of the compression lug (1042).

6. The driving device of the electric graver according to claim 1, wherein an end of the sliding pull rod (5) away from the fixed knife holder (4) is provided with a containing groove (53) for movably assembling the balance wheel (6).

7. A drive device for an electric graver according to claim 2, wherein the direction of rotation of the abutment projection (52) towards the balance (6) is curved.

8. A driving device of an electric graver according to claim 3, wherein the upper action wheel (61) and the lower balance wheel (62) are both semicircular wheels.

9. The driving device of the electric graver according to claim 1, wherein the electric driving assembly (7) is any one of a motor-driven worm gear device and a motor-driven planetary gear device.