CN214864949U

CN214864949U - Electric glue gun with encoder

Info

Publication number: CN214864949U
Application number: CN202120326884.5U
Authority: CN
Inventors: 谢田勇; 李挺进; 刘涛; 陈敏; 胡志广
Original assignee: Zhejiang Burley Tools Co ltd
Current assignee: Zhejiang Burley Tools Co ltd
Priority date: 2021-02-04
Filing date: 2021-02-04
Publication date: 2021-11-26
Anticipated expiration: 2031-02-04

Abstract

The utility model discloses an electric glue gun with an encoder, which comprises a casing and a rubber hose frame arranged at the front end of the casing, wherein the casing is provided with a rack-shaped push rod which can move relative to the rubber hose frame, and the casing is internally provided with a control panel, a direct current motor and a transmission mechanism; a trigger switch is arranged in the control panel, the trigger switch is electrically connected with the control panel and is used for controlling the on-off of the power supply, the direct current motor is electrically connected with the control panel, and the direct current motor drives the push rod to move back and forth through a transmission mechanism; the device also comprises an encoder electrically connected with the control panel, wherein the encoder and the transmission mechanism are correspondingly arranged at two ends of the direct current motor and are used for detecting the back-and-forth movement stroke of the push rod. This electronic rifle of gluing sets up the encoder and is used for detecting the back-and-forth movement stroke of push rod through at the direct current motor rear end, and the encoder can detect drive mechanism's operational aspect to control panel feedback, the control panel can judge the distance that whether the push rod moved backward and moved backward according to the information of encoder feedback, avoids the push rod to move backward excessively to lead to the push rod impaired.

Description

Electric glue gun with encoder

Technical Field

The utility model relates to an electric tool technical field specifically is an electronic rifle of gluing with encoder.

Background

The electric glue gun is an electric tool which utilizes power provided by a motor to drive a push rod to extrude a rubber tube through a transmission device, so that glue flows out of the head of the rubber tube and is used for realizing a filling function. Compared with a manual glue gun, the electric glue gun has higher efficiency and more uniform glue discharge, thereby being widely applied.

After the glue in the rubber tube is completely extruded, if the motor continues to drive the push rod to move forward for extrusion, irreparable damage can be caused to the machine. In the idle state, if the motor drives the push rod to move forward too much, the machine is damaged. When the push rod moves backwards and resets, if the stroke of the push rod during backward movement exceeds the maximum stroke, the machine body can be damaged. Aiming at the defects, the existing solution of the electric glue gun is generally that an operator carries out manual shutdown according to the glue outlet condition or the reset condition in the using process, the solution has higher requirements on the experience of the operator, the possibility of misoperation is higher, and the machine body is easy to damage.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model discloses an invention aim at provides an electronic rifle of gluing with encoder, and this electronic rifle of gluing structure is ingenious, and convenient operation can effectively reduce the operation degree of difficulty, and reinforcing user's use is experienced, and can guarantee result of use and guarantee life, is favorable to above-mentioned electronic rifle of gluing popularization and application on market.

In order to realize the aim, the utility model adopts the following technical scheme that the electric glue gun with the encoder comprises a shell and a glue tube frame arranged at the front end of the shell, wherein the shell is provided with a rack-shaped push rod which can move relative to the glue tube frame, and a control board, a direct current motor and a transmission mechanism are arranged in the shell; a trigger switch is arranged in the control panel, the trigger switch is electrically connected with the control panel and is used for controlling power on and off, the direct current motor is electrically connected with the control panel and drives the push rod to move back and forth through the transmission mechanism; the device also comprises an encoder electrically connected with the control board, wherein the encoder and the transmission mechanism are correspondingly arranged at two ends of the direct current motor and are used for detecting the back-and-forth movement stroke of the push rod.

As an optimized scheme of the utility model, the direct current motor tip is equipped with and is cylindrical location platform, the rotatable suit of encoder is in outside the location platform.

As an optimized scheme of the utility model, location platform central point puts and is equipped with the rotation axis, the rotation axis drives the encoder with DC motor makes synchronous motion.

As an optimized proposal of the utility model, the transmission mechanism is a reduction gearbox component, and a rack removing device is arranged on the reduction gearbox component.

As a preferred scheme of the utility model, the rack removes the device and dials soon including trip button and dropout, when pressing trip button drives the realization is dialled soon to the dropout the withdrawal of push rod.

As a preferred embodiment of the present invention, the casing is externally provided with an electronic switch electrically connected to the control panel.

As an optimized scheme of the utility model, the electronic switch is the speed governing switch who has the speed governing knob.

As an optimized scheme of the utility model, keep away from direct current motor the one end of push rod is equipped with the rubber hose frame seat, the rubber hose frame install in on the rubber hose frame seat.

As an optimized proposal of the utility model, the other end of the push rod is provided with a push rod handle.

As an optimized proposal of the utility model, a rack sleeve is arranged on the push rod of the push rod handle.

The utility model provides an electronic rifle of gluing with encoder, through set up the encoder at the direct current motor rear end, the encoder corresponds the both ends that set up at direct current motor with drive mechanism, and be used for detecting the back-and-forth movement stroke of push rod, the encoder can detect drive mechanism's operational aspect, and to the control panel feedback, the control panel can judge whether the push rod moves backward and the distance that moves backward according to the information of encoder feedback, avoid the push rod to move backward excessively to lead to the impaired condition of push rod, effectively guarantee electronic rifle complete machine structure's integrity and stability of gluing, thereby be favorable to improving the stability that the organism used. Above-mentioned electronic rifle of gluing structure is ingenious, and convenient operation can effectively reduce the operation degree of difficulty, and reinforcing user's use is experienced, and can guarantee the result of use and guarantee life, is favorable to above-mentioned electronic rifle of gluing popularization and application on market.

Drawings

FIG. 1 is a schematic view of an electric glue gun with an encoder in an embodiment;

fig. 2 is a schematic structural diagram of a direct current motor in an electric glue gun provided with an encoder in the embodiment.

Reference numerals: 1. a left housing; 2. a right housing; 3. a rubber pipe frame; 4. a control panel; 5. a direct current motor; 50. a positioning table; 51. a rotating shaft; 6. a push rod; 7. a transmission mechanism; 8. a rack sleeve; 9. a push rod handle; 10. a switch knob; 11. a speed regulation knob; 13. an encoder; 14. a rack release device; 140. a trip button; 141. tripping and quick dialing; 15. a hose frame seat.

Detailed Description

The invention will be further explained with reference to the drawings and the specific embodiments. It is to be understood that the following terms "upper," "lower," "left," "right," "longitudinal," "lateral," "inner," "outer," "vertical," "horizontal," "top," "bottom," and the like are used in an orientation or positional relationship relative to one another only as illustrated in the accompanying drawings and are used merely for convenience in describing and simplifying the invention, and do not indicate or imply that the device/component so referred to must have a particular orientation or be constructed and operated in a particular orientation and therefore should not be considered as limiting the invention.

Example (b): as shown in fig. 1 to 2, an electric glue gun with an encoder comprises a casing and a hose rack 3 arranged at the front end of the casing, wherein a rack-shaped push rod 6 which can move relative to the hose rack 3 is arranged on the casing, and a control board 4, a direct current motor 5 and a transmission mechanism 7 are arranged in the casing; the control board 4 is internally provided with a trigger switch which is electrically connected with the control board 4 and used for controlling power on and off, the direct current motor 5 is electrically connected with the control board 4, the direct current motor 5 drives the push rod 6 to move back and forth through the transmission mechanism 7, the control board further comprises an encoder 13 which is electrically connected with the control board 4, the encoder 13 and the transmission mechanism 7 are correspondingly arranged at two ends of the direct current motor and used for detecting the back and forth movement stroke of the push rod 6, the encoder 13 is arranged at one end of the direct current motor 5, the encoder 13 is a rotary sensor for converting the rotary displacement into a series of digital pulse signals, the pulses can be used for controlling the angular displacement, the encoder 13 is combined with the rack-shaped push rod 6 in the embodiment and can be used for measuring the linear displacement, the encoder 13 and the transmission mechanism 7 are correspondingly arranged at two ends of the direct current motor 5, and be used for detecting the back-and-forth movement stroke of push rod 6, encoder 13 can detect drive mechanism 7's behavior to control panel 4 feedback, control panel 4 can judge whether the distance that whether push rod 6 moved backward and moved backward according to the information of encoder 13 feedback, avoid push rod 6 to move backward excessively to lead to the impaired condition of push rod 6, effectively guarantee the integrity and the stability of electronic glue gun complete machine structure, thereby be favorable to improving the stability that the organism used.

In this embodiment, the casing includes a left casing 1 and a right casing 2 fixedly connected together, and the dc motor 5 is disposed at the rear portion in the casing. In order to effectively switch on or switch off the trigger switch, a switch press handle 10 corresponding to the trigger switch is arranged on the machine shell, when the switch press handle 10 is pressed, the trigger switch is switched on, the control panel 4 is electrified, and when the switch press handle 10 is released, the trigger switch is switched off.

In order to facilitate the installation of the encoder 13 and reduce the probability of the encoder 13 falling off during the installation process, a columnar positioning table 50 is arranged at the end part of the direct current motor 5, and the encoder 13 is rotatably sleeved outside the positioning table 50. Further, a rotating shaft 51 is disposed at the center of the positioning table 50, the rotating shaft 51 drives the encoder 13 and the dc motor 5 to move synchronously, so as to detect the operation condition of the transmission mechanism 7 and feed back the operation condition to the control board 4, and the control board 4 can determine whether the push rod 6 moves backwards and the distance of the push rod 6 according to the information fed back by the encoder 13, thereby avoiding the situation that the push rod 6 is damaged due to excessive backward movement of the push rod 6.

The transmission mechanism 7 is a reduction gearbox assembly and comprises a gear box and a gear transmission structure arranged in the gear box, the gear transmission structure comprises a driving wheel and a driven wheel, the driving wheel is arranged at the output end of the direct current motor, a gear shaft is arranged between the driven wheel and the driving wheel and is linked through the gear shaft, the driven wheel and a rack-shaped push rod are meshed and matched, and then the push rod is pushed to move forwards or backwards.

In order to guarantee the use effect and the life of push rod 6, install rack remove device 14 on the gear box subassembly, rack remove device 14 includes trip button 140 and the dropout dials fast 141, when pressing above-mentioned trip button 140, drive above-mentioned dropout and dial fast 141, make above-mentioned push rod 6 and follow the separation between the driving wheel, then stimulate push rod 6 and realize withdrawing fast of push rod 6, can effectively improve operation rate, and guarantee the life of electronic glue gun complete machine, reduce use cost.

The shell is provided with an electronic switch electrically connected with the control panel, the electronic switch is a speed regulating switch with a speed regulating knob 11, the speed regulating switch adopts an electronic circuit or a micro-processing chip to change the number of stages, voltage, current, frequency and other methods of the motor to control the rotating speed of the motor, so that the motor achieves an electronic switch with higher service performance, and for a direct current motor 5, the speed regulating mode comprises the following steps: 1) regulating the speed of the armature loop by resistance; 2) regulating the armature voltage; 3) speed regulation of power supply of the thyristor converter; 4) pulse width speed regulation of a direct current motor of a high-power semiconductor device; 5) and (5) regulating the speed of the exciting current. Through the electronic switch who sets up adjustable speed, make electronic gluey rifle can application scope wider.

The one end of the above-mentioned push rod 6 far away from above-mentioned direct current motor 5 is equipped with rubber tube frame seat 15, in order to guarantee the stability of rubber tube frame 3, installs above-mentioned rubber tube frame 3 on above-mentioned rubber tube frame seat 15, is connected with the ejector pad on the push rod 6, and rubber tube frame seat 15 is hollow structure, and the ejector pad can pass rubber tube frame seat 15, realizes the back-and-forth movement of push rod 6 relative rubber tube frame 3.

The other end of the push rod 6 is provided with a push rod handle 9, and the push rod handle 9 is arranged to manually adjust the push rod 6 when the machine body breaks down so as to enhance the use experience of a user.

Be equipped with rack sleeve 8 on the push rod 6 that is close to above-mentioned push rod handle 9, rack sleeve 8's setting can effectively reduce the wearing and tearing of outside part to the sawtooth on the push rod 6, guarantees the life of the sawtooth on the push rod 6, and then guarantees the life of electronic rifle of gluing, is favorable to above-mentioned electronic rifle of gluing popularization and application on market.

In the embodiment, an electronic rifle of gluing with encoder, through set up encoder 13 at DC motor 5 rear end, encoder 13 corresponds the both ends that set up at DC motor 5 with drive mechanism 7, and be used for detecting the back-and-forth movement stroke of push rod 6, encoder 13 can detect drive mechanism 7's behavior, and to control panel 4 feedback, control panel 4 can judge whether the distance that whether shifts back and shift back of push rod 6 according to the information of encoder 13 feedback, avoid the push rod 6 to shift back excessively and lead to the impaired condition of push rod 6, effectively guarantee the integrity and the stability of electronic rifle complete machine structure of gluing, thereby be favorable to improving the stability that the organism used. Above-mentioned electronic rifle of gluing structure is ingenious, and convenient operation can effectively reduce the operation degree of difficulty, and reinforcing user's use is experienced, and can guarantee the result of use and guarantee life, is favorable to above-mentioned electronic rifle of gluing popularization and application on market.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Although the reference numerals in the figures are used more here: 1. a left housing; 2. a right housing; 3. a rubber pipe frame; 4. a control panel; 5. a direct current motor; 50. a positioning table; 51. a rotating shaft; 6. a push rod; 7. a transmission mechanism; 8. a rack sleeve; 9. a push rod handle; 10. a switch knob; 11. a speed regulation knob; 13. an encoder; 14. a rack release device; 140. a trip button; 141. tripping and quick dialing; 15. hose mount, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. An electric glue gun with an encoder comprises a casing and a glue pipe frame (3) arranged at the front end of the casing, wherein a rack-shaped push rod (6) which can move relative to the glue pipe frame (3) is arranged on the casing, and a control panel (4), a direct current motor (5) and a transmission mechanism (7) are arranged in the casing; a trigger switch is arranged in the control panel (4), the trigger switch is electrically connected to the control panel (4) and is used for controlling power on and off, the direct current motor (5) is electrically connected to the control panel (4), and the direct current motor (5) drives the push rod (6) to move back and forth through the transmission mechanism (7); the method is characterized in that: the device is characterized by further comprising an encoder (13) electrically connected with the control board (4), wherein the encoder (13) and the transmission mechanism (7) are correspondingly arranged at two ends of the direct current motor and used for detecting the back-and-forth movement stroke of the push rod (6).

2. The electric glue gun with the encoder according to claim 1, wherein: the end part of the direct current motor (5) is provided with a columnar positioning table (50), and the encoder (13) is rotatably sleeved outside the positioning table (50).

3. The electric glue gun with the encoder according to claim 2, wherein: the center of the positioning table (50) is provided with a rotating shaft (51), and the rotating shaft (51) drives the encoder (13) and the direct current motor (5) to move synchronously.

4. The electric glue gun with the encoder according to claim 3, wherein: the transmission mechanism (7) is a reduction gearbox assembly, and a rack removing device (14) is installed on the reduction gearbox assembly.

5. The electric glue gun with the encoder according to claim 4, wherein: the rack release device (14) comprises a trip button (140) and a trip block (141), and when the trip button (140) is pressed, the trip block (141) is driven to retract the push rod (6).

6. The electric glue gun with the encoder according to claim 5, wherein: an electronic switch electrically connected with the control panel is arranged outside the casing.

7. The electric glue gun with the encoder according to claim 6, wherein: the electronic switch is a speed regulating switch with a speed regulating knob (11).

8. The electric glue gun with the encoder according to claim 7, wherein: keep away from direct current motor (5) the one end of push rod (6) is equipped with hose frame seat (15), hose frame (3) install in on hose frame seat (15).

9. The electric glue gun with the encoder according to claim 8, wherein: the other end of the push rod (6) is provided with a push rod handle (9).

10. The electric glue gun with the encoder according to claim 9, wherein: a rack sleeve (8) is arranged on the push rod (6) close to the push rod handle (9).