CN219850444U - Dispensing machine - Google Patents

Abstract

The utility model relates to the technical field of dispensing, in particular to a dispensing machine. The dispensing machine comprises a frame, a dispensing mechanism, a position adjusting mechanism, a conveying mechanism and a shielding plate switching mechanism. The dispensing mechanism comprises at least two dispensing valves. The position adjusting mechanism is arranged on the frame, the dispensing valve is arranged at the output end of the position adjusting mechanism, and the position adjusting mechanism drives the dispensing valve to move. The conveying mechanism is used for conveying the product to the position below the dispensing valve. The shielding plate switching mechanism comprises a shielding plate driving assembly and at least two shielding plates, each shielding plate is connected with the shielding plate driving assembly, the shielding plate driving assembly can drive the shielding plate to cover the surface of the product, and when the product is dispensed by the dispensing mechanism, the shielding plate shields the part of the surface of the product which does not need dispensing. When the shielding plate switching mechanism guarantees the dispensing precision, the two dispensing valves can move rapidly and perform dispensing with large spraying quantity, so that the dispensing efficiency is greatly improved, and the cost is reduced.

Description

Dispensing machine

Technical Field

The utility model relates to the technical field of dispensing, in particular to a dispensing machine.

Background

The glue dispensing machine is also called a glue spreader, a glue dripping machine, a glue beating machine, a glue filling machine and the like, and is specially used for controlling fluid. And the fluid is dripped and coated on the surface of the product or an automatic machine in the product, so that three-dimensional and four-dimensional path dispensing can be realized, the accurate positioning, the accurate glue control, no wire drawing, no glue leakage and no glue dripping are realized. The dispensing machine is mainly used for precisely dispensing, injecting, coating and dripping glue, paint and other liquid in the product process to the precise position of each product, and can be used for realizing dotting, line drawing, circular or arc.

As demand continues to increase, it is now necessary to cover different areas of the product surface with different glues. The prior dispensing machine generally adopts a smaller needle or nozzle to dispense, is provided with machine vision, captures a dispensing area through the machine vision, and further completes dispensing operation. In addition, for the large-area dispensing of the product, the dispensing time of the smaller nozzle is too long, and the nozzle still needs to slowly move in spite of machine vision so as to ensure accurate dispensing as much as possible, thus resulting in low production efficiency of the product. However, when the nozzle sprays glue, the sprayed edge still cannot cover the glue dispensing area accurately, so the glue dispensing precision still cannot meet the requirement, and the machine vision is equipped, so that the cost is additionally increased.

Therefore, there is a need for a dispenser to solve the above problems.

Disclosure of Invention

The utility model aims to provide a dispensing machine, which solves the problems of low dispensing efficiency, low dispensing precision and high cost of the conventional dispensing machine.

In order to achieve the above object, the following technical scheme is provided:

dispensing machine includes:

a frame;

the dispensing mechanism comprises at least two dispensing valves;

the position adjusting mechanism is arranged on the frame, the dispensing valve is arranged at the output end of the position adjusting mechanism, and the position adjusting mechanism can drive the dispensing valve to move so as to dispense the adhesive to the surface of the product;

the conveying mechanism is arranged on the frame and is used for conveying the product to the position below the dispensing valve;

the shielding plate switching mechanism comprises a shielding plate driving assembly and at least two shielding plates, wherein the shielding plates (51) are connected with the shielding plate driving assembly, and the shielding plate driving assembly can drive the shielding plate cover to be arranged on the surface of a product, so that when the dispensing mechanism dispenses the product, the shielding plates shield the part of the surface of the product without dispensing.

Optionally, the shielding plate switching mechanism further includes:

the guide rail support comprises a first guide rail support and a second guide rail support, the first guide rail support and the second guide rail support are parallel to the conveying direction of the product, and the conveying mechanism is positioned between the first guide rail support and the second guide rail support;

the tops of the first guide rail support piece and the second guide rail support piece are respectively provided with a wire rail;

the fixing pieces are connected with the opposite two end parts of the shielding plate, the fixing pieces are in sliding fit with the wire rail, the fixing pieces are connected with the output end of the shielding plate driving assembly, and the shielding plate driving assembly drives the fixing pieces to slide along the length direction of the wire rail.

Optionally, the shielding plate switching mechanism further comprises a limiting piece, and the limiting piece is arranged on the first guide rail supporting piece; the fixing piece comprises an abutting part, and the abutting part can be abutted with the limiting piece so as to limit the shielding plate to be at the shielding position.

Optionally, the transport mechanism comprises:

the two brackets are parallel and are arranged at intervals;

and each bracket is provided with a belt conveying assembly which is used for supporting and conveying products.

Optionally, the device further comprises a width adjusting mechanism for adjusting the distance between the two brackets so that the conveying mechanism is suitable for products with different sizes, the width adjusting mechanism comprises a linear driving assembly, the movement direction of the output end of the linear driving assembly is parallel to the arrangement direction of the two brackets, and the output end of the linear driving assembly is connected with the brackets.

Optionally, the linear drive assembly comprises:

a motor;

the screw rod is connected with the output end of the motor, and the motor can drive the screw rod to rotate;

the fixed support piece is arranged on the frame, is connected with one of the two brackets, and the screw rod is rotatably arranged on the fixed support piece in a penetrating way;

the movable support piece is in threaded connection with the screw rod and is connected with the other one of the two brackets, and the screw rod can drive the movable support piece to move on the screw rod when rotating so as to enable the movable support piece to be close to or far away from the fixed support piece.

Optionally, the linear drive assembly further comprises:

the sliding rail is arranged on the frame and is parallel to the screw rod;

the sliding block is arranged on the movable supporting piece and is in sliding connection with the sliding rail.

Optionally, the device further comprises a blocking mechanism disposed on the frame, wherein the blocking mechanism can be abutted with the product to block the product at a preset position.

Optionally, two blocking mechanisms are provided, wherein one blocking mechanism is arranged on the feeding side of the conveying mechanism so as to block the product to be dispensed; the other blocking mechanism is arranged at the discharging side of the conveying mechanism (4) and is positioned at the side of the dispensing position so as to block the product at the dispensing position;

the blocking mechanism includes:

the mounting block is arranged on the frame;

a lifting driving member;

the blocking block is arranged at the output end of the lifting driving piece, and the lifting driving piece can drive the blocking block to move along the vertical direction so as to enable the blocking block to be abutted with a product;

the connecting piece, the mounted position of connecting piece along product transportation direction on the installation piece is adjustable, and the connecting piece is connected with the lift driving piece.

Optionally, the lifting mechanism further comprises a lifting mechanism arranged on the frame, and the lifting mechanism comprises:

jacking the driving piece;

the jacking plate is arranged at the output end of the jacking driving piece, and the jacking driving piece can drive the jacking plate to move along the vertical direction, so that the jacking plate can jack up a product positioned on the conveying mechanism and is close to the dispensing valve, or the jacking plate (82) drives the product to descend and the product to be placed on the conveying mechanism (4).

Compared with the prior art, the utility model has the beneficial effects that:

according to the dispensing machine provided by the utility model, the shielding plate switching mechanism is used for freely switching and driving different shielding plates to cover the surface of the product according to the requirement, so that when the dispensing mechanism is used for dispensing the product, the shielding plates shield the part of the surface of the product which does not need dispensing. Then the two dispensing valves are controlled to move above the shielding plate through the movement mechanism, and the dispensing mechanism controls different dispensing valves to spray different glues, so that different glues are sprayed in different areas on the surface of a product. When the shielding plate switching mechanism guarantees the dispensing precision, the two dispensing valves can move rapidly and perform dispensing with large spraying quantity, so that the dispensing efficiency is greatly improved, gao Duanshi sense auxiliary equipment is not needed, and the cost is reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following description will briefly explain the drawings needed in the description of the embodiments of the present utility model, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the contents of the embodiments of the present utility model and these drawings without inventive effort for those skilled in the art.

Fig. 1 is a schematic structural diagram of a dispenser according to the present utility model;

FIG. 2 is a top view of a shutter switching mechanism according to the present utility model;

fig. 3 is a schematic structural diagram of the cooperation of the shielding plate switching mechanism and the transportation mechanism provided by the utility model;

fig. 4 is a schematic structural view of the cooperation of the transporting mechanism, the width adjusting mechanism, the blocking mechanism and the jacking mechanism provided by the utility model;

FIG. 5 is a schematic diagram of a width adjusting mechanism according to the present utility model;

FIG. 6 is a schematic view of a blocking mechanism according to the present utility model;

fig. 7 is a schematic structural diagram of a jacking mechanism provided by the utility model.

Reference numerals:

1. a frame;

2. a position adjusting mechanism; 21. a first moving member; 22. a second moving member; 23. a third moving member; 24. a third guide rail;

3. dispensing valve;

4. a transport mechanism; 41. a bracket; 42. a belt transport assembly; 43. a jig;

5. a shielding plate switching mechanism; 51. a shielding plate; 52. a rail support; 521. a first rail support; 522. a second rail support; 53. a wire rail; 54. a fixing member; 541. an abutting portion; 542. a U-shaped hole; 55. a limiting piece;

6. a width adjusting mechanism; 61. a screw rod; 62. a fixed support; 63. a movable support; 64. a slide rail; 65. a front end support plate; 66. a rear end support plate;

7. a blocking mechanism; 71. a mounting block; 72. a lifting driving member; 73. a blocking piece; 74. a connecting piece;

8. a jacking mechanism; 81. jacking the driving piece; 82. a jacking plate; 83. a positioning pin; 84. and a fixing plate.

Detailed Description

In order to make the technical problems solved, the technical scheme adopted and the technical effects achieved by the utility model more clear, the technical scheme of the utility model is further described below by a specific embodiment in combination with the attached drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present utility model, the terms "upper," "lower," "left," "right," and the like are used for convenience of description and simplicity of operation based on the orientation or positional relationship shown in the drawings, and do not denote or imply that the apparatus or element in question must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

As shown in fig. 1, the present embodiment provides a dispenser including a frame 1, a dispenser mechanism, a position adjustment mechanism 2, a transport mechanism 4, and a shielding plate switching mechanism 5. The dispensing mechanism comprises at least two dispensing valves 3. The position adjusting mechanism 2 is arranged on the frame 1, the dispensing valve 3 is arranged at the output end of the position adjusting mechanism 2, and the position adjusting mechanism 2 can drive the dispensing valve 3 to move so as to dispense the adhesive to the surface of the product. The transport mechanism 4 is arranged on the frame 1, and the transport mechanism 4 is used for transporting products to the lower part of the dispensing valve 3. The shielding plate switching mechanism 5 comprises a shielding plate driving assembly and at least two shielding plates 51, wherein the shielding plates (51) are connected with the shielding plate driving assembly, and the shielding plate driving assembly can drive the shielding plates 51 to cover the surface of the product, so that when the product is dispensed by the dispensing mechanism, the shielding plates 51 shield part of the surface of the product without dispensing.

First, the product is transported by the transport mechanism 4 to a dispensing position below the dispensing mechanism. Then, the shielding plate switching mechanism 5 can selectively drive the shielding plate 51 to cover the surface of the product. Next, the position adjusting mechanism 2 drives the dispensing valve 3 to move above the shielding plate 51, and the dispensing mechanism controls different dispensing valves 3 to spray different glues. Thereby, it is achieved that different glue is sprayed at different areas of the product surface. Finally, the product after dispensing is transported out by the transport mechanism 4, and the shielding plate switching mechanism 5 and the position adjusting mechanism 2 are reset. The shielding plate switching mechanism 5 ensures the dispensing precision, and simultaneously, the two dispensing valves 3 can rapidly move and perform dispensing with large spraying quantity, so that the dispensing efficiency is greatly improved, and the production cost is reduced.

A person skilled in the art can arrange different numbers and kinds of shielding plates 51 in the shielding plate switching mechanism 5 as required to be suitable for different products. The number of dispensing valves 3 can also be set according to the requirement, and the dispensing valves 3 are controlled to spray the same or different glues.

Preferably, the dispensing valve 3 in this embodiment is a spray valve, and the spray valve has a large spray area and uniform spray, so that the dispensing effect is better.

Further, as shown in fig. 2 and 3, the shielding plate switching mechanism 5 further includes a rail support 52, two wire rails 53, and a fixing member 54. The rail support 52 includes a first rail support 521 and a second rail support 522, both of which are parallel to the transport direction of the product, and the transport mechanism 4 is located between the first rail support 521 and the second rail support 522. The top of each of the first rail support 521 and the second rail support 522 is provided with a wire rail 53. The opposite ends of the shielding plate 51 are connected with fixing members 54, the fixing members 54 are in sliding fit with the wire rails 53, the fixing members 54 are connected with the output ends of the shielding plate driving assembly, and the shielding plate driving assembly drives the fixing members 54 to slide along the length direction of the wire rails 53. According to the scheme, the shielding plate 51 is freely switched in a sliding mode on the two wire rails 53, and the shielding plate 51 is connected through the fixing piece 54, so that the shielding plate 51 can be switched more stably, the flatness of the shielding plate 51 is guaranteed when the shielding plate 51 shields a product, and further the dispensing effect is better.

Specifically, the shielding plate 51 is provided with a bolt hole, and the fixing member 54 is provided with a U-shaped hole 542, and the shielding plate 51 and the fixing member 54 are bolted, with the opening of the U-shaped hole 542 facing the middle of the first rail support 521 and the second rail support 522. So that the position of the shielding plate 51 in the direction perpendicular to the product transport direction can be adjusted to ensure that the shielding plate 51 shields the product more accurately.

Further, in order to enable the shielding plate 51 to precisely shield the product, the dispensing effect is made better. The shielding plate switching mechanism 5 further includes a stopper 55, and the stopper 55 is disposed on the first rail support 521. The fixing member 54 includes an abutting portion 541, and the abutting portion 541 can abut against the stopper 55 to restrict the shielding plate 51 to the shielding position.

Specifically, the limiting member 55 includes a mounting plate and a limiting bolt, the mounting plate is disposed on the first rail supporting member 521, the limiting bolt is disposed on the mounting plate, and a length direction of the limiting bolt is parallel to a moving direction of the shielding plate 51, and a length of the limiting bolt is adjustable to match different shielding positions of the shielding plate 51.

Further, the shielding plate switching mechanism 5 further includes a buffer member disposed on the first rail support 521 and juxtaposed with the stopper 55. When the abutting portion 541 abuts against the stopper 55, the buffer abuts against the abutting portion 541 to provide buffering. The problem that the shielding plate 51 is deviated due to vibration generated when the abutting part 541 abuts against the limiting piece 55 is prevented, and the dispensing effect is better.

Alternatively, the shielding plate driving assembly is an air cylinder, each shielding plate 51 is correspondingly connected with one air cylinder, the telescopic rod of the air cylinder is connected with the fixing piece 54, and the reciprocating motion of the shielding plate 51 is realized through the driving of the air cylinder, so that the motion is stable and reliable.

Preferably, the cylinder is a pen-shaped cylinder, and the pen-shaped cylinder has the advantages of long stroke, small structure, easy installation and the like.

In this embodiment, taking two shielding plates 51 as an example, the initial positions of the two shielding plates 51 are located at two ends of the transportation mechanism 4, two cylinders are respectively disposed on two sidewalls of the first rail support 521, and two sidewalls of the first rail support 521 are both provided with a limiting member 55 and a buffer member. The cylinder drives the shielding plate 51 to move to the middle position of the conveying mechanism 4 and cover the upper part of the product to be dispensed. The switching principle of the scheme is simple, and the operation is more efficient.

In some embodiments, when a plurality of shielding plates 51 are provided, the shielding plates 51 may be provided in a manner that the plurality of shielding plates 51 are stacked layer by layer, a certain gap is provided between two adjacent shielding plates 51, and the cylinders respectively drive different shielding plates 51 to move above the product to be dispensed. The problem that needs a plurality of shielding plates 51 to cooperate to realize the dispensing operation is solved in this scheme.

Further, as shown in fig. 4, the transport mechanism 4 includes two brackets 41 and two belt conveying assemblies 42. The two brackets 41 are arranged in parallel and at intervals, and each bracket 41 is provided with a belt conveying assembly 42, and the two belt conveying assemblies 42 jointly support and convey products. The product is transported in a belt transmission transportation mode, so that the product is transported to an accurate belt dispensing position more stably and reliably.

Specifically, the belt conveying assembly 42 includes a driving wheel, a conveying driving member, and a belt, the conveying driving member is disposed on the support 41, the driving wheel is disposed at an output end of the conveying driving member, and driving wheels are disposed at both ends along a length direction of the support 41, and the belt is connected to the driving wheel and the driving wheel, so that the conveying driving member can stably drive the belt.

Preferably, the transportation driving piece is a stepping motor, and the belt is driven by the stepping motor, so that the transmission is stable, and the stepping motor has the advantages of quicker start-stop reaction, long service life, high reliability and the like.

Further, as shown in fig. 5, the dispenser further includes a width adjusting mechanism 6 for adjusting the distance between the two brackets 41, so that the transporting mechanism 4 is suitable for products with different sizes and specifications, the width adjusting mechanism 6 includes a linear driving assembly, the motion direction of the output end of the linear driving assembly is parallel to the arrangement direction of the two brackets 41, and the output end of the linear driving assembly is connected with one of the brackets 41. The interval of two supports 41 is adjustable to this scheme has been realized, and then makes the point gum machine applicable to the point gum operation of the product of different size specifications, and the commonality is stronger.

Further, the linear driving assembly includes a motor, a screw 61, a fixed support 62, and a movable support 63. The screw 61 is connected with an output end of a motor, and the motor can drive the screw 61 to rotate. The fixed support 62 is disposed on the frame 1 and connected to one of the two brackets 41, and the screw 61 is rotatably disposed through the fixed support 62. The movable support 63 is rotatably connected to the screw 61 and connected to the other of the two brackets 41, and the screw 61 can drive the movable support 63 to move on the screw 61 when rotated, so that the movable support 63 approaches or moves away from the fixed support 62. According to the scheme, the distance between the two brackets 41 is adjustable through the transmission mode of the screw rod 61, the transmission mode of the screw rod 61 is high in accuracy, the distance between the two brackets 41 can be adjusted with high accuracy, and the device has the advantages of being low in noise and high in transmission speed.

Further, the linear driving assembly further comprises a sliding rail 64 and a sliding block, wherein the sliding rail 64 is arranged on the frame 1 and is parallel to the screw rod 61. The slider is arranged on the movable support 63 and is in sliding connection with the slide rail 64. The movable support 63 moves along the screw rod 61 and is in sliding fit with the slide rail 64, so that the movement of the movable support 63 is smoother.

Further, the width adjusting mechanism 6 further includes a front end support plate 65 and a rear end support plate 66, and both ends of the screw 61 are rotatably connected to the front end support plate 65 and the rear end support plate 66, respectively. The front end support plate 65 and the rear end support plate 66 provide a stable support for the screw 61 to make the width adjusting operation of the width adjusting mechanism 6 more stable and reliable.

In some embodiments, the motor may be replaced by an air cylinder, and the screw rod 61 may be replaced by a guide rod, where the guide rod is disposed at an output end of the air cylinder, and the parallel air cylinder may drive the guide rod to move along a direction perpendicular to an extending direction of the two brackets 41, where the fixed support 62 is slidably engaged with the guide rod, and the movable support 63 is fastened to the guide rod, so as to indirectly drive the movable support 63 by the motor to approach or depart from the fixed support 62.

Further, as shown in fig. 6, the device further includes a blocking mechanism 7, where the blocking mechanism 7 is disposed on the frame 1, and the blocking mechanism 7 can abut against the product to block the product at a preset position. The blocking mechanism 7 ensures the accuracy of the resting position of the product on the transport line.

Further, two blocking mechanisms 7 are provided, wherein one blocking mechanism 7 is arranged on the feeding side of the conveying mechanism 4 so as to block the product to be dispensed. The other blocking mechanism 7 is arranged at the discharging side of the conveying mechanism (4) and is positioned at the side of the dispensing position so as to block the product at the dispensing position. Wherein the blocking mechanism 7 includes a mounting block 71, a lift drive 72, a blocking block 73, and a connector 74. The installation piece 71 sets up on frame 1, and the blocking piece 73 sets up in lift drive piece 72 output, and lift drive piece 72 can drive the blocking piece 73 along vertical direction motion to with the product butt. The attachment position of the attachment 74 in the product transport direction on the attachment block 71 is adjustable, and the attachment 74 is connected to the elevation drive member 72.

The blocking mechanism 7 of the dispensing position of this scheme has guaranteed that the product is stopped in more accurate dispensing position, when preceding product carries out the dispensing operation, is located the blocking mechanism 7 of transportation upstream and stops the product of waiting at the point at the back to prevent that two products from bumping, and all be provided with sensing element in the transportation upstream position of transport mechanism 4 and the product dispensing position that corresponds, be used for the response product, sensing element gives blocking mechanism 7 with information transfer, advances the motion that blocking mechanism 7 automatic control blocked piece 73, in order to make the point gum machine more automatic.

Specifically, a sliding groove is formed in the mounting block 71, a sliding block is arranged at the end of the connecting piece 74, the sliding block is in sliding fit with the sliding groove, a threaded hole is formed in the bottom surface of the sliding groove, a threaded through hole is formed in the sliding block, and a bolt penetrates through the threaded through hole from the upper portion of the sliding block and is in threaded connection with the threaded hole of the sliding groove, so that the connecting piece 74 is fixed on the mounting block 71.

Further, as shown in fig. 7, the dispenser further includes a lifting mechanism 8 disposed on the frame 1, and the lifting mechanism 8 includes a lifting driving member 81 and a lifting plate 82. The lifting plate 82 is arranged at the output end of the lifting driving piece 81, and the lifting driving piece 81 can drive the lifting plate 82 to move along the vertical direction, so that the lifting plate 82 can lift up a product positioned on the conveying mechanism 4 and is close to the dispensing valve 3, or the lifting plate (82) drives the product to descend and the product is placed on the conveying mechanism 4. For more efficient production, the transport mechanism 4 is always in operation. On this basis, in order to make the product when the point is glued be in steady state, jacking mechanism 8 jack-up the product and break away from in transport mechanism 4, guaranteed the stability of the product when the point is glued, make the point glue effect better.

Further, in order to stabilize the product on the lift plate 82 and to place the product in a more precise dispensing position. The transporting mechanism 4 further comprises a jig 43 for placing a product, at least two positioning holes are formed in the bottom surface of the jig 43, positioning pins 83 are arranged on the top surface of the jacking plate 82 corresponding to the positioning holes, and when the jacking plate 82 ascends and abuts against the jig 43, the positioning holes can be matched with the positioning pins 83.

Specifically, the jacking mechanism 8 further includes a fixing plate 84, the fixing plate 84 is disposed on the frame 1, and the jacking driving member 81 is disposed on the fixing plate 84, so that the jacking operation of the jacking mechanism 8 is more stable.

Optionally, the jacking driving member 81 is a cylinder, which has the advantages of simple structure, easy installation and more stable driving.

Further, as shown in fig. 1, the position adjusting mechanism 2 of the present embodiment is a three-way movement system, specifically an existing gantry frame type movement system, so as to ensure that the movement of the dispensing valve 3 is more flexible, and the glue sprayed by the dispensing valve 3 covers the surface of the product accurately. Specifically, the position adjustment mechanism 2 includes two third guide rails 24 arranged on the top of the frame 1 along the Y-axis direction, and the two third guide rails 24 are parallel and arranged at intervals. The position adjustment mechanism 2 further includes a first driving member, a first moving member 21, a second driving member, a second moving member 22, a third driving member, and a third moving member 23.

The first driving member is disposed on the frame 1, and the first moving member 21 is slidably disposed on the third guide rail 24 and connected to an output end of the first driving member, where the first driving member can drive the first moving member 21 to move along the Y-axis direction. The second driving piece is arranged on the first moving piece 21, the second moving piece 22 is arranged on the first moving piece 21 in a sliding mode and is connected with the output end of the second driving piece, and the second driving piece can drive the second moving piece 22 to move along the X-axis direction. The third driving piece is arranged on the second moving piece 22, the third moving piece 23 is arranged on the second moving piece 22 in a sliding mode and is connected with the output end of the third driving piece, and the third driving piece can drive the third moving piece 23 to move along the Z-axis direction. Two dispensing valves 3 are provided on the third moving member 23.

Preferably, the first driving member, the second driving member and the third driving member are all servo motors, and the first moving member 21, the second moving member 22 and the third moving member 23 are all screw modules. Through the cooperation of servo motor and lead screw module, can make the motion of position adjustment mechanism 2 more steady, more accurate, further guarantee that the point is glued the effect better. The cooperation of the servo motor and the screw rod module is a conventional technology in the art, and a person skilled in the art can set the servo motor and the screw rod module in common sense, and the detailed principle is not described in the embodiment.

The operation process of the dispenser of the embodiment comprises the following steps:

the products are placed on the jig 43 and transported by the transport mechanism 4, after the induction element at the upstream of the transport mechanism 4 transports the products, the blocking mechanism 7 controls the blocking block 73 to descend, and after the products pass through the blocking mechanism 7, the blocking mechanism 7 controls the blocking block 73 to ascend so as to block the products to be dispensed later;

after the product is transported to the dispensing position and the sensing element of the dispensing position senses the product, the blocking mechanism 7 of the dispensing position controls the blocking block 73 to ascend so as to block the continuous transportation of the product;

the jacking mechanism 8 jacks up the jig 43, the jig 43 is separated from the conveying mechanism 4, and the product is close to the dispensing mechanism;

the shielding plate switching mechanism 5 drives the shielding plate 51 to cover the upper surface of the product;

the position adjusting mechanism 2 drives the dispensing valve 3 to move along the upper surface of the shielding plate 51, and the dispensing mechanism controls the dispensing valve 3 to spray glue, at this time, the shielding plate 51 shields part of the surface of the product without dispensing;

after dispensing is completed, the position adjusting mechanism 2 and the shielding plate switching mechanism 5 are reset, the jacking mechanism 8 descends, and the jig 43 is replaced in the conveying mechanism 4;

the blocking mechanism 7 at the dispensing position controls the blocking piece 73 to descend, and the product is carried out, thus completing a cycle operation.

Note that in the description of this specification, a description referring to terms "some embodiments", "other embodiments", and the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing description is only of the preferred embodiments of the utility model and the technical principles employed. It will be understood by those skilled in the art that the present utility model is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, while the utility model has been described in connection with the above embodiments, the utility model is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the utility model, which is set forth in the following claims.

Claims (10)

1. The point gum machine, its characterized in that includes:

a frame (1);

the dispensing mechanism comprises at least two dispensing valves (3);

the position adjusting mechanism (2) is arranged on the frame (1), the dispensing valve (3) is arranged at the output end of the position adjusting mechanism (2), and the position adjusting mechanism (2) can drive the dispensing valve (3) to move so as to dispense the adhesive to the surface of a product;

the conveying mechanism (4) is arranged on the frame (1), and the conveying mechanism (4) is used for conveying the product to the position below the dispensing valve (3);

the shielding plate switching mechanism (5) comprises a shielding plate driving assembly and at least two shielding plates (51), wherein the shielding plates (51) are connected with the shielding plate driving assembly, the shielding plate driving assembly can drive the shielding plates (51) to cover the surface of the product, and when the product is dispensed by the dispensing mechanism, the shielding plates (51) shield the part of the surface of the product which does not need dispensing.

2. The dispenser according to claim 1, wherein the shielding plate switching mechanism (5) further includes:

-a rail support (52), the rail support (52) comprising a first rail support (521) and a second rail support (522), the first rail support (521) and the second rail support (522) being both parallel to the transport direction of the product, the transport mechanism (4) being located between the first rail support (521) and the second rail support (522);

-two wire tracks (53), the top of the first (521) and second (522) rail supports being provided with the wire tracks (53);

the fixing pieces (54), the opposite two ends of the shielding plate (51) are respectively connected with the fixing pieces (54), the fixing pieces (54) are in sliding fit with the wire rail (53), the fixing pieces (54) are connected with the output end of the shielding plate driving assembly, and the shielding plate driving assembly drives the fixing pieces (54) to slide along the length direction of the wire rail (53).

3. The dispenser according to claim 2, wherein the shielding plate switching mechanism (5) further comprises a limiting member (55), the limiting member (55) being provided to the first rail support member (521); the fixing member (54) includes an abutting portion (541), and the abutting portion (541) can abut against the stopper (55) to restrict the shielding plate at the shielding position.

4. A dispenser according to any one of claims 1-3, wherein the transport mechanism (4) comprises:

the two brackets (41) are parallel and are arranged at intervals;

and a belt conveying assembly (42), wherein each bracket is provided with the belt conveying assembly (42), and the belt conveying assembly (42) is used for supporting and conveying the products.

5. The dispenser according to claim 4, further comprising a width adjusting mechanism (6) for adjusting the distance between the two brackets (41) so that the transporting mechanism (4) is suitable for products with different dimensions, wherein the width adjusting mechanism (6) comprises a linear driving assembly, the movement direction of the output end of the linear driving assembly is parallel to the arrangement direction of the two brackets (41), and the output end of the linear driving assembly is connected with the brackets (41).

6. The dispenser of claim 5, wherein the linear drive assembly comprises:

a motor;

the screw rod (61) is connected with the output end of the motor, and the motor can drive the screw rod (61) to rotate;

the fixed support piece (62) is arranged on the frame (1) and connected with one of the two brackets (41), and the screw rod (61) is rotatably arranged through the fixed support piece (62);

the movable support piece (63) is in threaded connection with the screw rod (61) and is connected with the other of the two brackets (41), and the screw rod (61) can drive the movable support piece (63) to move on the screw rod (61) when rotating so as to enable the movable support piece (63) to be close to or far away from the fixed support piece (62).

7. The dispenser of claim 6, wherein the linear drive assembly further comprises:

a slide rail (64) which is arranged on the frame (1) and is parallel to the screw rod (61);

and the sliding block is arranged on the movable supporting piece (63) and is in sliding connection with the sliding rail (64).

8. A dispenser according to any one of claims 1-3, further comprising a blocking mechanism (7), said blocking mechanism (7) being arranged on said frame (1), said blocking mechanism (7) being capable of abutting against said product to block said product in a predetermined position.

9. The dispenser according to claim 8, wherein two blocking mechanisms (7) are provided, wherein one blocking mechanism (7) is arranged on the feeding side of the transport mechanism (4) to block the product to be dispensed; the other blocking mechanism (7) is arranged at the discharging side of the conveying mechanism (4) and is positioned at the side of the dispensing position so as to block the product at the dispensing position;

the blocking mechanism (7) comprises:

the mounting block (71) is arranged on the frame (1);

a lifting drive (72);

the blocking block (73) is arranged at the output end of the lifting driving piece (72), and the lifting driving piece (72) can drive the blocking block (73) to move along the vertical direction so as to enable the blocking block (73) to be abutted with the product;

and the connecting piece (74) is arranged on the mounting block (71) and is adjustable in mounting position along the product conveying direction, and the connecting piece (74) is connected with the lifting driving piece (72).

10. A dispenser according to any one of claims 1-3, further comprising a lifting mechanism (8) arranged on the frame (1), the lifting mechanism (8) comprising:

a jack-up driving member (81);

jacking plate (82) set up in the output of jacking driving piece (81), jacking driving piece (81) can drive jacking plate (82) are along vertical direction motion, so that jacking plate (82) can be located product jack-up on transport mechanism (4) is close to dispensing valve (3), perhaps jacking plate (82) drive the product descends and makes the product is arranged in on transport mechanism (4).