Clamping type cleaning structure suitable for dispensing needle head

Abstract

A clamping type cleaning structure suitable for a dispensing needle head comprises a supporting body and a cleaning body arranged on the supporting body in a lifting mode. The cleaning body is provided with rolled cloth and a conveying assembly used for driving the rolled cloth to be conveyed, and the top of the cleaning body is provided with a waste glue collecting piece and a clamping assembly located on a rolled cloth conveying path. A supporting base used for switching the positions of the waste collecting piece and the clamping assembly is installed at the bottom of the supporting body, and the supporting body is movably connected to the supporting base. Compared with the prior art, by arranging the liftable cleaning body, lifting of the rolled cloth and the waste glue collecting piece is controlled, under the action that the supporting body is movably connected to the supporting base, switching of the position, corresponding to the needle head, between the rolled cloth and the waste glue collecting piece can be achieved, and the glue wiping and waste glue discharging requirements of the needle head are met; and meanwhile, under the action of the clamping assembly, the needle needing to be rubbed can be clamped, and the stable rubbed requirement of the needle is met.

Description

Technical Field

[0001] The utility model relates to the technical field of glue dispensing needles, in particular to a clamping type cleaning structure suitable for glue dispensing needles. Background Art

[0002] Automatic dispensing machines are often involved in the assembly process of electronic products. The current design of dispensing machines is to meet the product assembly process. A dispensing machine needs to dispense different types of glue. Different dispensing needles are required for different dispensing processes and different glues. The specifications of dispensing needles are generally small.

[0003] Since the dispensing needle needs to perform continuous and intermittent dispensing operations during the dispensing process, it is easy for glue to remain on the dispensing needle during the continuous dispensing process, thereby affecting the dispensing effect of the dispensing needle. This requires high-frequency needle wiping of the dispensing needle. Due to the small internal space of the dispensing machine, it is difficult to meet the high-frequency needle wiping requirements of the dispensing needle.

[0004] Chinese application No. 202320643954.4 discloses a needle eraser device, comprising an angle-adjustable base and a frame mounted on the angle-adjustable base, on which a needle clamping eraser mechanism, an eraser cloth support and tensioning mechanism, and an eraser cloth drive mechanism are mounted; the eraser cloth drive mechanism comprises an eraser cloth and a drive assembly, a portion of the eraser cloth is movably wound around the eraser cloth support and tensioning mechanism, and a section of the eraser cloth to be used is located in the clamping space of the needle clamping eraser mechanism; the drive assembly is used to drive the eraser cloth to move according to a set step length.

[0005] The above-disclosed erasing device realizes the erasing operation of the needle by flipping the frame so that the frame flips over to the bottom of the needle. However, it is difficult to achieve full contact between the needle and the erasing cloth through the flipping control method, which affects the erasing effect of the erasing cloth on the needle. At the same time, the waste material remaining on the needle is easy to fall onto the work surface during the erasing process, affecting the subsequent dispensing effect of the needle. Utility Model Content

[0006] The utility model aims to overcome the above-mentioned defects in the prior art and provides a clamping cleaning structure which can collect waste materials and has a compact structure and is suitable for dispensing needles.

[0007] In order to achieve the above-mentioned purpose of the utility model, the utility model adopts the following technical solutions: a clamping cleaning structure suitable for a dispensing needle, comprising a supporting body and a cleaning body arranged in a lifting manner on the supporting body, the cleaning body is equipped with a cloth roll and a transmission component for driving the cloth roll transmission, and the top of the cleaning body is equipped with a waste glue collecting piece and a clamping component located on the cloth roll transmission path; the bottom of the supporting body is equipped with a support base for moving the waste collecting piece and the clamping component position, and the supporting body is movably connected to the support base.

[0008] As a preferred solution of the present invention, the transmission component includes a discharge tray and a receiving tray rotatably connected to the cleaning body, and a damping shaft for driving the discharge tray to rotate is provided in the middle of the discharge tray, and a receiving shaft for driving the receiving tray to rotate is provided in the middle of the receiving tray.

[0009] As a preferred solution of the present invention, the cleaning body is equipped with a photoelectric sensor for detecting the transmission status of the cloth roll and a counting encoder for detecting the transmission speed of the cloth roll. The photoelectric sensor is located between the discharge tray and the clamping assembly, and the counting encoder is set towards the receiving tray.

[0010] As a preferred solution of the present invention, the clamping assembly includes a left bracket and a right bracket arranged relatively to each other, a left clamping jaw hinged to the left bracket is installed at the bottom of the left bracket, and a left clamping block for clamping the dispensing needle is installed on the surface of the left clamping jaw, a right clamping jaw hinged to the right bracket is installed at the bottom of the right bracket, and a right clamping block for clamping the dispensing needle is installed on the surface of the right clamping jaw, and a clamping controller for controlling the rotation of the left clamping jaw and the right clamping jaw is provided on the cleaning body.

[0011] As a preferred solution of the present invention, a tensioning wheel for tensioning the rolled cloth is provided between the left clamping jaw and the right clamping jaw. The tensioning wheel is located below the left clamping jaw and the right clamping jaw, and the rolled cloth passes through the left bracket, the left clamping block, the tensioning wheel, the right clamping block and the right bracket in sequence.

[0012] As a preferred solution of the present invention, guide wheels for guiding the transmission direction of the rolled cloth are provided on both sides of the clamping assembly, and the guide wheels are installed on the cleaning body.

[0013] As a preferred solution of the present invention, a lifting driver for driving the cleaning body to move up and down is provided in the support body, and an ascending buffer and a descending buffer for buffering the ascending and descending of the cleaning body are also provided in the support body.

[0014] As a preferred solution of the present invention, a vertical linear guide rail for guiding the lifting and lowering of the cleaning body is installed in the support body, and a wire trough plate for fixing electrical connection wires is installed on the side of the support body.

[0015] As a preferred solution of the present invention, a transverse driver for driving the support body to move transversely is installed at the bottom of the support body, and a photoelectric switch for limiting the transverse movement range of the support body is installed on the transverse support seat.

[0016] As a preferred solution of the present invention, a transverse linear guide rail for guiding the movement of the supporting body is installed on the transverse support seat.

[0017] Compared with the prior art, the beneficial effects of the present invention are as follows: by providing a liftable cleaning body, the lifting and lowering of the cloth roll and the waste glue collecting member can be controlled, and under the action of the support body being movably connected to the support seat, the needle head can be switched between the cloth roll and the waste glue collecting member, meeting the needs of the needle head for wiping glue and removing waste glue, and at the same time, under the action of the clamping component, the needle head required for wiping glue can be clamped, meeting the need for stable wiping glue of the needle head;

[0018] A clamping controller is used to control the clamping force of the needle, and 38 Shore hardness EVA material is installed at the front end of the clamping jaw. The clamping force can be infinitely adjusted from 3 to 8N, minimizing the probability of needle damage while ensuring the cleaning effect.

[0019] This application adjusts the overall structure to a vertical setting, effectively reducing the footprint and meeting the requirements of the narrow internal space of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural diagram of the utility model;

[0021] Figure 2 It is the main view of the utility model;

[0022] Figure 3 is a schematic diagram of the structure of the clamping assembly;

[0023] Figure 4 It is a schematic diagram of the interior of the supporting body;

[0024] Figure 5 This is a schematic diagram of the connection between the support body and the support seat

[0025] Figure numerals: support body 1, lifting drive 11, rising buffer 12, descending buffer 13, vertical linear guide 14, wire trough plate 15, transverse drive 16, cleaning body 2, support seat 3, transverse linear guide 31, photoelectric switch 32, transmission component 4, discharge tray 41, receiving tray 42, damping shaft 43, receiving shaft 44, photoelectric sensor 45, counting encoder 46, tensioning wheel 47, guide wheel 48, cloth rolling 5, clamping assembly 6, left bracket 61, right bracket 62, left clamping jaw 63, right clamping jaw 64, left clamping block 65, right clamping block 66, clamping controller 67, waste rubber collection part 7. DETAILED DESCRIPTION

[0026] The following is a detailed description of the embodiments of the present invention with reference to the accompanying drawings.

[0027] like Figure 1-Figure 5 As shown, a clamping cleaning structure suitable for a dispensing needle comprises a supporting body 1 and a cleaning body 2 which is lifted and lowered on the supporting body 1; a cloth roll 5 and a transmission component 4 for driving the cloth roll 5 to be transmitted are installed on the cleaning body 2, and a waste glue collecting part 7 and a clamping component 6 located on the transmission path of the cloth roll 5 are installed on the top of the cleaning body 2; a supporting base 3 for moving the position of the waste collecting part and the clamping component 6 is installed at the bottom of the supporting body 1, and the supporting body 1 is movably connected to the support base 3.

[0028] The moving direction of the cleaning body 2 is cross-set with the moving direction of the supporting body 1. The supporting body 1 synchronously drives the movement of the cleaning body 2 during the movement. Therefore, under the action of the supporting body 1, the cleaning body 2 can be driven to move in the horizontal and vertical directions, and the cloth roll 5, the waste glue collecting part 7 and the clamping assembly 6 can be driven to move in the horizontal and vertical directions.

[0029] The transmission component 4 includes a discharge tray 41 and a receiving tray 42 rotatably connected to the cleaning body 2, and a damping shaft 43 is provided in the middle of the discharge tray 41 for driving the discharge tray 41 to rotate, and a receiving shaft 44 is provided in the middle of the receiving tray 42 for driving the receiving tray 42 to rotate.

[0030] The waste glue collecting part 7 is a glue cup placed on the top of the cleaning body 2, which is used to receive waste materials in the glue hose or receive printing materials during the glue output debugging process. A slot for positioning the glue cup is formed on the top of the cleaning body 2, so that the glue cup can be quickly and conveniently replaced by taking it out.

[0031] The discharge tray 41 and the receiving tray 42 rotate synchronously through the cloth roll 5, and the discharge tray 41 is a passive tray, which rotates under the transmission tension of the cloth roll 5, and the receiving tray 42 is an active tray, which actively rotates to drive the transmission of the cloth roll 5.

[0032] The damping shaft 43 is used to damp the discharge tray 41, ensuring that the cloth roll 5 on the discharge tray 41 is always in a tensioned state under the action of the damping shaft 43, and the receiving shaft 44 rotates synchronously with the receiving tray 42, and the receiving shaft 44 is connected to a motor, which drives the rotation of the receiving shaft 44 through the motor, thereby driving the rotation of the receiving tray 42 and the transmission of the cloth roll 5.

[0033] The cleaning body 2 is provided with a photoelectric sensor 45 for detecting the transmission status of the cloth roll 5 and a counting encoder 46 for detecting the transmission speed of the cloth roll 5. The photoelectric sensor 45 is located between the discharge tray 41 and the clamping assembly 6, and the counting encoder 46 is arranged toward the receiving tray 42.

[0034] The photoelectric sensor 45 is set towards the cloth roll 5. The photoelectric sensor 45 is used to detect whether the cloth roll is on the discharge tray 41 or the continuity of the cloth roll on the path, and promptly remind the operator of the cloth rolling status. The counting encoder 46 is set towards the receiving shaft 44. The counting encoder 46 controls the movement speed of the cloth roll 5 at a uniform speed of the receiving shaft 44 through pulse counting.

[0035] The clamping assembly 6 includes a left bracket 61 and a right bracket 62 that are arranged opposite to each other. A left clamping jaw 63 is installed at the bottom of the left bracket 61 and is hinged to the left bracket 61, and a left clamping block 65 for clamping a dispensing needle is installed on the surface of the left clamping jaw 63. A right clamping jaw 64 is installed at the bottom of the right bracket 62 and is hinged to the right bracket 62, and a right clamping block 66 for clamping a dispensing needle is installed on the surface of the right clamping jaw 64. A clamping controller 67 for controlling the rotation of the left clamping jaw 63 and the right clamping jaw 64 is provided on the cleaning body 2.

[0036] The left bracket 61 and the right bracket 62 are used to support the rolled cloth 5 and are also used to install the left clamping jaw 63 and the right clamping jaw 64. The left clamping jaw 63 and the right clamping jaw 64 are both made of aluminum. The left clamping jaw 63 and the right clamping jaw 64 are respectively connected to the opposite sides of the clamping cylinder, which can well realize the transmission of clamping force.

[0037] The left clamping block 65 and the right clamping block 66 are both made of EVA material with a Shore hardness of 38. The roll cloth 5 is laid on the surface of the left clamping block 65 and the right clamping block 66, so as to better protect the needle while ensuring the clamping and cleaning effect of the left clamping block 65 and the right clamping block 66. The clamping controller 67 can be a clamping claw cylinder, and the clamping controller 67 can achieve precise adjustment of the clamping force by 3-8N by adjusting the intake air pressure.

[0038] A tensioning wheel 47 for tensioning the roll cloth 5 is provided between the left clamping jaw 63 and the right clamping jaw 64. The tensioning wheel 47 is located below the left clamping jaw 63 and the right clamping jaw 64. The roll cloth 5 passes through the left bracket 61, the left clamping block 65, the tensioning wheel 47, the right clamping block 66 and the right bracket 62 in sequence.

[0039] The tensioning wheel 47 is composed of an outer roller and a bearing. The transmission of the cloth roll 5 drives the synchronous rotation of the outer roller. Under the action of the tensioning wheel 47, the cloth roll 5 located at the left clamping jaw 63 and the right clamping jaw 64 is pressed down to ensure that the cloth roll 5 is laid on the surface of the left clamping block 65 and the right clamping block 66. In this way, when the left clamping block 65 and the right clamping block 66 clamp the needle, the cloth roll 5 realizes the glue wiping operation on the needle.

[0040] The left clamping block 65 and the right clamping block 66 are opened and closed by the clamping controller 67 to clamp the needle, and the cloth roll 5 is laid on the surface of the left clamping block 65 and the right clamping block 66 under the action of the guide wheel 48 and the tensioning wheel 47. Therefore, when the left clamping block 65 and the right clamping block 66 clamp the needle, the cloth roll 5 located on the surface of the left clamping block 65 and the right clamping block 66 wraps the needle and wipes the glue on the needle during the transmission process of the cloth roll 5.

[0041] Guide wheels 48 are provided on both sides of the clamping assembly 6 for guiding the transmission direction of the roll cloth 5. The guide wheels 48 are installed on the cleaning body 2. The guide wheels 48 are composed of an outer roller and a bearing. Under the action of the guide wheels 48 on both sides of the clamping assembly 6, the roll cloth 5 entering the clamping assembly 6 is guided, and the roll cloth 5 after the wiping is completed is also guided.

[0042] A lifting driver 11 for driving the cleaning body 2 to move up and down is provided in the supporting body 1 , and an ascending buffer 12 and a descending buffer 13 for buffering the ascending and descending of the cleaning body 2 are also provided in the supporting body 1 .

[0043] The lifting drive 11 is a linear drive cylinder. The lifting drive 11 drives the cleaning body 2 to rise and fall under the action of air pressure. The rising buffer 12 and the descending buffer 13 are respectively arranged at the upper and lower ends of the cleaning body 2. The rising buffer 12 and the descending buffer 13 are both oil pressure buffers. The rising buffer 12 performs a buffering and protective effect on the cleaning body 2 during the lifting process, and can also play a certain lifting limit role. The descending buffer 13 performs a buffering and protective effect on the cleaning body 2 during the descending process, and can also play a certain descending limit role.

[0044] A vertical linear guide rail 14 is installed in the support body 1 for guiding the lifting and lowering of the cleaning body 2. The vertical linear guide rail 14 is arranged along the height direction of the support body 1 to guide and limit the cleaning body 2. Electrical connecting wires and air pipes are connected between the support body 1 and the cleaning body 2. A wire trough plate 15 for fixing the electrical connecting wires is installed on the side of the support body 1 to prevent the electrical connecting wires and air pipes from being scratched and damaged by other components.

[0045] A transverse driver 16 is installed at the bottom of the support body 1 for driving the support body 1 to move transversely, and a photoelectric switch 32 is installed on the transverse support seat 3 for limiting the transverse movement range of the support body 1, and a transverse linear guide rail 31 is installed on the transverse support seat 3 for guiding the movement of the support body 1.

[0046] The transverse driver 16 can be a screw motor, which drives the screw to rotate under the action of the motor, thereby forming a screw slider structure between the support body 1 and the transverse support seat 3, realizing the movement of the support body 1 on the transverse support seat 3, and the transverse linear guide 31 is used to limit and guide the moving direction of the support body 1. The photoelectric switch 32 sets the limit position of the support body 1 on the transverse support seat 3 in advance to avoid collision or interference of the support body 1 during operation.

[0047] During actual use, the lifting drive 11 drives the clamping assembly 6 and the waste glue collecting piece 7 to rise and fall, thereby meeting the need for wiping glue on the needle. At the same time, under the action of the transverse drive 16, switching between the clamping assembly 6 and the waste glue collecting piece 7 can be achieved to meet the waste material discharge and wiping needs of the needle.

[0048] During the rubbing process, the needle head is clamped by the clamping assembly 6, so that a stable rubbing operation of the needle head can be achieved.

[0049] The above description of the disclosed embodiments will enable those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not limited to the embodiments shown herein, but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.

[0050] Although this document frequently uses the following reference numerals: support body 1, lifting drive 11, ascending buffer 12, descending buffer 13, vertical linear guide 14, line trough plate 15, transverse drive 16, cleaning body 2, support base 3, transverse linear guide 31, photoelectric switch 32, transmission assembly 4, unloading tray 41, receiving tray 42, damping shaft 43, receiving shaft 44, photoelectric sensor 45, counting encoder 46, tensioning wheel 47, guide wheel 48, cloth roll 5, clamping assembly 6, left bracket 61, right bracket 62, left clamping jaw 63, right clamping jaw 64, left clamping block 65, right clamping block 66, clamping controller 67, waste rubber collector 7, etc., the use of other terms is not excluded. These terms are used only to more conveniently describe and explain the essence of the present invention; interpreting them as any additional limitations is contrary to the spirit of the present invention.

Claims

1. A clamping cleaning structure suitable for a dispensing needle, comprising a supporting body (1) and a cleaning body (2) arranged on the supporting body (1) in a lifting manner, characterized in that: The cleaning body (2) is provided with a cloth roll (5) and a transmission assembly (4) for driving the cloth roll (5) to be transmitted, and the top of the cleaning body (2) is provided with a waste glue collecting piece (7) and a clamping assembly (6) located on the transmission path of the cloth roll (5); the bottom of the supporting body (1) is provided with a support base (3) for moving the waste collecting piece and the clamping assembly (6), and the supporting body (1) is movably connected to the support base (3).

2. A clamping cleaning structure suitable for a dispensing needle according to claim 1, characterized in that: The transmission assembly (4) comprises a discharge tray (41) and a receiving tray (42) rotatably connected to the cleaning body (2), wherein a damping shaft (43) is provided in the middle of the discharge tray (41) for driving the discharge tray (41) to rotate, and a receiving shaft (44) is provided in the middle of the receiving tray (42) for driving the receiving tray (42) to rotate.

3. A clamping cleaning structure suitable for a dispensing needle according to claim 2, characterized in that: The cleaning body (2) is provided with a photoelectric sensor (45) for detecting the transmission state of the cloth roll (5) and a counting encoder (46) for detecting the transmission speed of the cloth roll (5). The photoelectric sensor (45) is located between the discharge tray (41) and the clamping assembly (6), and the counting encoder (46) is arranged toward the receiving tray (42).

4. The clamping cleaning structure for a dispensing needle according to claim 1, characterized in that: The clamping assembly (6) comprises a left bracket (61) and a right bracket (62) arranged opposite to each other, a left clamping jaw (63) hingedly connected to the left bracket (61) is mounted on the bottom of the left bracket (61), and a left clamping block (65) for clamping a dispensing needle is mounted on the surface of the left clamping jaw (63), a right clamping jaw (64) hingedly connected to the right bracket (62) is mounted on the bottom of the right bracket (62), and a right clamping block (66) for clamping a dispensing needle is mounted on the surface of the right clamping jaw (64), and a clamping controller (67) for controlling the rotation of the left clamping jaw (63) and the right clamping jaw (64) is provided on the cleaning body (2).

5. The clamping cleaning structure for a dispensing needle according to claim 4, characterized in that: A tensioning wheel (47) for tensioning the roll cloth (5) is provided between the left clamping jaw (63) and the right clamping jaw (64). The tensioning wheel (47) is located below the left clamping jaw (63) and the right clamping jaw (64). The roll cloth (5) passes through the left bracket (61), the left clamping block (65), the tensioning wheel (47), the right clamping block (66) and the right bracket (62) in sequence.

6. The clamping cleaning structure for a dispensing needle according to claim 4, characterized in that: Guide wheels (48) for guiding the transmission direction of the rolled cloth (5) are provided on both sides of the clamping assembly (6), and the guide wheels (48) are mounted on the cleaning body (2).

7. The clamping cleaning structure for a dispensing needle according to claim 1, characterized in that: The support body (1) is provided with a lifting driver (11) for driving the cleaning body (2) to rise and fall, and the support body (1) is also provided with an ascending buffer (12) and a descending buffer (13) for buffering the ascending and descending of the cleaning body (2).

8. The clamping cleaning structure for a dispensing needle according to claim 6, characterized in that: A vertical linear guide rail (14) for guiding the lifting and lowering of the cleaning body (2) is installed in the supporting body (1), and a wire trough plate (15) for fixing electrical connection wires is installed on the side of the supporting body (1).

9. The clamping cleaning structure for a dispensing needle according to claim 1, characterized in that: A transverse driver (16) for driving the support body (1) to move transversely is installed at the bottom of the support body (1), and a photoelectric switch (32) for limiting the transverse movement range of the support body (1) is installed on the transverse support seat (3).

10. The clamping cleaning structure for a dispensing needle according to claim 9, characterized in that: A transverse linear guide rail (31) for guiding the movement of the supporting body (1) is installed on the transverse support seat (3).

Images