CN216440981U - Needle alignment instrument of visual glue dispenser or glue pouring machine - Google Patents
Needle alignment instrument of visual glue dispenser or glue pouring machine Download PDFInfo
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- CN216440981U CN216440981U CN202122882797.0U CN202122882797U CN216440981U CN 216440981 U CN216440981 U CN 216440981U CN 202122882797 U CN202122882797 U CN 202122882797U CN 216440981 U CN216440981 U CN 216440981U
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Abstract
The utility model relates to the technical field of a needle aligning instrument of a dispenser or a glue pouring machine, in particular to a needle aligning instrument of a visual dispenser or a glue pouring machine, which comprises: a base; a connecting seat accommodated in the base; the fixed seat is fixed at the opening at the upper end of the base; the lower end of the top cover is sleeved on the fixed seat; a positioning pin is fixed in the middle of the top cover and is downwards connected to the middle of the connecting seat; a pair of needle sheets is fixed on the top surface of the top cover; the buffer spring is accommodated in the fixed seat; the contact rod is fixed at the eccentric position of the connecting seat; an insulating layer is arranged at the part where the contact rod is connected with the connecting seat; the inner end of the first cable is welded on the lower surface of the fixed seat; and the inner end of the second cable is welded at the lower end of the contact rod. The needle alignment instrument can quickly calibrate a dispensing or glue filling needle head, can avoid the problems of errors and the like caused by manual needle head height measurement, reduces the labor intensity and reduces the dependence on the working level of a technician.
Description
Technical Field
The utility model relates to the technical field of a needle aligning instrument of a dispenser or a glue pouring machine, in particular to a needle aligning instrument of a visual dispenser or a glue pouring machine.
Background
The glue dispenser or glue filling machine is an automatic machine which is specially used for controlling fluid and dripping, coating and encapsulating liquid glue on the surface of a product or in the product, so that the product achieves the effects of sealing, fixing, preventing water and the like. The vision glue-pouring machine among the prior art includes parts such as frame, encapsulating platform, X axle module, Y axle module, Z axle module, encapsulating syringe needle and detection camera, and X axle module, Y axle module and Z axle module drive the encapsulating syringe needle respectively and remove at X axle, Y axle and Z axle direction, can realize the quick encapsulating operation to the work piece, compare with the manual work and can improve encapsulating efficiency to guarantee the encapsulating precision.
After the needle head of the glue dispenser or the glue pouring machine is replaced, a certain deviation exists, the position of the needle head needs to be calibrated, and the needle head aligning instrument needs to be used. The needle alignment gauge is an important component of a visual dispenser or a glue-pouring machine, and is often mounted on a glue-pouring platform for calibrating the position of a needle. In the prior art, common calibration methods are: visual inspection, plane ruler measurement, height vernier caliper measurement, calibration by means of a photoelectric sensor or a proximity switch; wherein, the visual inspection means that the operator adjusts and calibrates the needle head after visually inspecting the distance from the needle head to the needle aligning instrument; the plane ruler measurement and the height vernier caliper measurement are mainly used for adjusting and calibrating after measuring the distance from the needle head to the needle aligner, the method has high measurement difficulty and is mainly finished by the working level of a technician, so that the calibration accuracy is not enough; the photoelectric sensor and the proximity switch are mainly used for calibrating to judge whether the needle head reaches the position of the needle alignment instrument, but the structure is complex, signals are easy to lose when the distance is long, calibration accuracy can be affected, and quality of glue dispensing or glue pouring products is affected.
The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a needle alignment instrument of a visual glue dispenser or a glue pouring machine, which aims to solve the problem existing in the calibration of the needle head of the existing glue dispenser or the existing glue pouring machine.
In order to achieve the purpose, the utility model provides the following technical scheme:
a kind of vision glue-dropping machine or to the needle gauge of the glue-pouring machine, including:
a base;
the connecting seat is accommodated in the base;
the fixed seat is fixed at the opening at the upper end of the base by using a countersunk head bolt;
the lower end of the top cover is sleeved on the fixed seat and is in guide fit with the fixed seat; a positioning pin is fixed in the middle of the top cover, and the positioning pin penetrates through the fixed seat and the connecting seat downwards and then is connected to the middle of the connecting seat; a pair of needle sheets is fixed on the top surface of the top cover, and a cross calibration is arranged on the pair of needle sheets;
the buffer spring is accommodated in the fixed seat and sleeved on the positioning pin; the upper end of the buffer spring is abutted against the top cover;
the contact rod is fixed at the eccentric position of the connecting seat; an insulating layer is arranged at the part where the contact rod is connected with the connecting seat;
the inner end of the first cable is welded on the lower surface of the fixed seat;
and the inner end of the second cable is welded at the lower end of the contact rod.
Preferably, a cover plate is fixed to the lower end opening of the base through a countersunk head bolt; and the side surface of the base is fixedly provided with an electric wire fixing seat communicated with the inside of the base, and the outer ends of the first cable and the second cable penetrate through the electric wire fixing seat and then are connected with an external PLC (programmable logic controller).
Preferably, the base is of a cylindrical hollow structure; the connecting seat is rectangular, and the side edge of the connecting seat close to the inner wall of the base is chamfered and attached to the inner wall of the base.
Preferably, a limit pin is fixed at the eccentric position of the lower surface of the fixed seat; and a limiting groove matched with the limiting pin in a sliding guide manner is reserved on the connecting seat.
Preferably, the side surface of the connecting seat is in threaded connection with a fixing screw; when the fixing screw is screwed, the inner end head of the fixing screw abuts against the locating pin.
Compared with the prior art, the utility model has the following beneficial effects:
(1) according to the utility model, the cross calibration is arranged on the top of the needle sheet, so that the X-axis module and the Y-axis module can drive the needle head to move in the X direction and the Y direction, and the calibration efficiency and accuracy are improved; in addition, set up buffer spring in the fixing base, buffer spring plays the cushioning effect, avoids the syringe needle to lead to the syringe needle to be destroyed with the hard contact to needle piece 402.
(2) The utility model is provided with the limiting pin and the limiting groove which are in sliding guide fit, when the top cover moves downwards, the limiting pin and the limiting groove are in sliding fit with each other, so that the rotation of the top cover in the process of moving downwards can be prevented, and the movement stability is improved.
(3) The utility model is provided with the first cable welded above the fixed seat and the second cable welded at the lower end of the contact rod, and simultaneously the contact rod is fixed on the connecting seat, in the process of calibrating the pinhead, the connecting seat drives the contact rod to move downwards, so that the circuit between the first cable and the second cable is disconnected, a signal is sent to an external system, and further the height calibration is completed, therefore, the height can be quickly aligned no matter what type of pinhead is replaced, the calibration efficiency is improved, and the calibration accuracy is ensured.
(4) The utility model takes the problem of calibrating the needle head of the existing glue dispenser or glue pouring machine as a starting point, and designs a plurality of components such as the connecting seat, the reset spring, the top cover, the needle aligning sheet, the first cable and the second cable, so that the needle head can be quickly calibrated, meanwhile, the problems of errors and the like caused by manual needle head height measurement can be avoided, the labor intensity is reduced, and the dependence on the working level of a technician is reduced.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3 is a first perspective cross-sectional view of FIG. 1;
FIG. 4 is a second perspective sectional view of FIG. 1;
FIG. 5 is an enlarged view taken at A in FIG. 4;
description of the reference numerals:
100. a base; 101. a cover plate; 102. a wire fixing seat; 200. a connecting seat; 201. a set screw; 202. a limiting groove; 300. a fixed seat; 301. a spacing pin; 400. a top cover; 401. positioning pins; 402. aligning the needle sheets; 4021. calibrating the cross; 500. a buffer spring; 600. a contact lever; 601. an insulating layer; 700. a first cable; 800. a second cable.
Detailed Description
In the following, the technical solutions of the present invention will be described clearly and completely, and it is obvious that the described embodiments are some, not all embodiments of the present invention. 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.
Examples
Referring to fig. 1-5, a needle alignment instrument for a visual dispenser or a glue-pouring machine comprises:
a base 100;
a connecting seat 200 accommodated in the base 100; the method specifically comprises the following steps: the base 100 has a cylindrical hollow structure; the connecting base 200 is rectangular, and the side edge of the connecting base close to the inner wall of the base 100 is chamfered and attached to the inner wall of the base 100;
a fixing base 300 fixed at an opening at the upper end of the base 100 by using a countersunk head bolt;
a top cover 400, the lower end of which is sleeved on the fixed seat 300 and is in guiding fit with the fixed seat; a positioning pin 401 is fixed in the middle of the top cover 400, and the positioning pin 401 downwardly penetrates through the fixing base 300 and the connecting base 200 and then is connected to the middle of the connecting base 200; a pair of needle plates 402 are fixed on the top surface of the top cover 400, and a cross calibration 4021 is arranged on each needle plate 402; in this embodiment, the specific connection manner of the positioning pin 401 and the connection seat 200 is as follows: a fixing screw 201 is connected with the side surface of the connecting base 200 in a threaded manner; when the fixing screw 201 is screwed, the inner end of the fixing screw 201 abuts on the positioning pin 401;
the buffer spring 500 is accommodated in the fixed seat 300 and sleeved on the positioning pin 401; the upper end of the buffer spring 500 abuts against the top cover 400;
a contact lever 600 fixed at an eccentric position of the connection socket 200; the portion of the contact lever 600 connected to the connection socket 200 is provided with an insulating layer 601; it can be seen from fig. 4 and 4 that the upper end of the contact lever 600 is higher than the connection holder 200;
the inner end of the first cable 700 is welded on the lower surface of the fixed seat 300;
and a second cable 800, the inner termination of which is soldered to the lower end of the contact rod 600.
In this embodiment, a cover plate 101 is fixed to the lower opening of the base 100 by using a countersunk head bolt; a wire fixing seat 102 communicated with the inside of the base 100 is fixed on the side surface of the base 100, and the outer ends of the first cable 700 and the second cable 800 penetrate through the wire fixing seat 102 and then are connected with an external PLC controller.
In addition, in the embodiment, in order to prevent the top cover 400 from rotating during the descending process, a limit pin 301 is fixed at an eccentric position of the lower surface of the fixing base 300; a limit groove 202 matched with the limit pin 301 in a sliding and guiding manner is reserved on the connecting seat 200.
The principle of calibrating the needle head by using the needle gauge in the embodiment is briefly explained as follows:
fixing the needle aligning instrument on a glue pouring platform, finding the needle aligning instrument by using a visual glue dispenser or a camera system on the glue pouring machine, and moving a needle head to the center of a cross calibration 4021 on a needle aligning sheet 402 through an X-axis module and a Y-axis module; the cross calibration 4021 facilitates the movement of the needle in the X direction and the Y direction, and improves the calibration efficiency and accuracy;
when the needle head moves to the center of the cross calibration 4021, the needle head moves downwards through the Z-axis module, when the lower end of the needle head generates pressure on the needle plate 402, the needle plate 402 and the top cover 400 move downwards, the top cover 400 drives the positioning pin 401 to move downwards, the positioning pin 401 generates downward thrust on the connecting base 200 to further push the connecting base 200 and the contact rod 600 to move downwards, when the upper end of the contact rod 600 is separated from the fixing base 300, a circuit between the first cable 700 and the second cable 800 is disconnected, and an external PLC obtains the signal, namely, the height calibration of the needle head is completed, so that the height can be quickly aligned no matter what type of needle head is replaced; it should be added that when the top cover 400 is not moved down, the upper end of the contact rod 600 abuts against the fixing base 300, and the fixing base 300 is made of a conductive material, so as to conduct the lines of the first cable 700 and the second cable 800.
In addition, during the downward movement of the top cover 400, the buffer spring 500 is compressed, which can play a role of buffering, and avoid the damage of the needle caused by the hard contact between the needle and the needle facing sheet 402. Secondly, when the top cover 400 moves downwards, the limiting pin 301 and the limiting groove 202 are in sliding guide fit to prevent the top cover from rotating in the downward movement process, so that the movement stability is improved.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the utility model to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the utility model and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the utility model and various alternatives and modifications. It is intended that the scope of the utility model be defined by the claims and their equivalents.
Claims (5)
1. The utility model provides a visual point gum machine or glue-pouring machine's instrument of purling which characterized in that includes:
a base;
the connecting seat is accommodated in the base;
the fixed seat is fixed at the opening at the upper end of the base by using a countersunk head bolt;
the lower end of the top cover is sleeved on the fixed seat and is in guide fit with the fixed seat; a positioning pin is fixed in the middle of the top cover, and the positioning pin penetrates through the fixed seat and the connecting seat downwards and then is connected to the middle of the connecting seat; a pair of needle sheets is fixed on the top surface of the top cover, and a cross calibration is arranged on the pair of needle sheets;
the buffer spring is accommodated in the fixed seat and sleeved on the positioning pin; the upper end of the buffer spring is abutted against the top cover;
the contact rod is fixed at the eccentric position of the connecting seat; an insulating layer is arranged at the part of the contact rod connected with the connecting seat;
the inner end of the first cable is welded on the lower surface of the fixed seat;
and the inner end of the second cable is welded at the lower end of the contact rod.
2. The needle alignment instrument of a visual dispenser or a glue-pouring machine according to claim 1, wherein a cover plate is fixed to the lower end opening of the base by using a countersunk head bolt; and the side surface of the base is fixedly provided with an electric wire fixing seat communicated with the inside of the base, and the outer ends of the first cable and the second cable penetrate through the electric wire fixing seat and then are connected with an external PLC (programmable logic controller).
3. The needle alignment instrument of a visual dispenser or a glue-pouring machine according to claim 1, wherein the base is a structure with a cylindrical hollow interior; the connecting seat is rectangular, and the side edge of the connecting seat close to the inner wall of the base is chamfered and attached to the inner wall of the base.
4. The aligning apparatus of a visual dispenser or a glue-pouring machine according to claim 1, wherein a limit pin is fixed at an eccentric position of the lower surface of the fixing base; and a limiting groove matched with the limiting pin in a sliding guide manner is reserved on the connecting seat.
5. The needle alignment instrument of the visual dispenser or the glue-pouring machine according to claim 1, wherein a fixing screw is screwed on the side surface of the connecting seat; when the fixing screw is screwed, the inner end head of the fixing screw abuts against the locating pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122882797.0U CN216440981U (en) | 2021-11-23 | 2021-11-23 | Needle alignment instrument of visual glue dispenser or glue pouring machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122882797.0U CN216440981U (en) | 2021-11-23 | 2021-11-23 | Needle alignment instrument of visual glue dispenser or glue pouring machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216440981U true CN216440981U (en) | 2022-05-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122882797.0U Active CN216440981U (en) | 2021-11-23 | 2021-11-23 | Needle alignment instrument of visual glue dispenser or glue pouring machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216440981U (en) |
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2021
- 2021-11-23 CN CN202122882797.0U patent/CN216440981U/en active Active
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