Double-station storage bin, feeding mechanism and automatic hot melting equipment

Abstract

The utility model relates to the technical field of automation equipment, in particular to a double-station storage bin, a feeding mechanism and automatic hot melting equipment, and the double-station storage bin comprises a pair of bins, a guide assembly and a driving assembly; a positioning plate is fixed at the lower end of the stock bin; the guiding assemblies are arranged corresponding to the stock bins respectively. Each guiding assembly comprises a sliding piece, a first guiding piece installed between the sliding piece and the workbench, a second guiding piece installed between the sliding piece and the positioning plate and a variable-pitch rail. The length direction of the first guiding piece is perpendicular to the length direction of the second guiding piece, and the pair of stock bins arrive at the same feeding station in a reciprocating mode under the action of a driving assembly. According to the feeding mechanism, the double-station storage bins are adopted in the feeding mechanism to achieve non-stop feeding, on the basis of the design of the variable-pitch track, the bins are subjected to station transfer in the non-linear direction, then the requirement that the double bins complete feeding in the same feeding station all the time in the limited space is met, and the structural design is compact and ingenious.

Description

Technical Field

[0001] The utility model relates to the technical field of automation equipment, in particular to a double-station material storage bin, a material feeding mechanism and automatic hot-melt equipment. Background Art

[0002] With the plastics processing industry's growing demand for efficient, environmentally friendly, and automated production methods, ultrasonic hot melt technology has become relatively mature and is widely used in the manufacture and processing of soft rubber pads. It provides an efficient and environmentally friendly bonding method. This technology uses the energy generated by the high-frequency vibration of ultrasound to quickly melt plastic materials, achieving a strong bond between the materials. Although ultrasonic hot melt technology has improved in the market, some current situations in soft rubber pad processing are worrying. Due to the softness and easy stickiness of soft rubber pads, the existing technology has problems such as complex soft rubber hot melt operations and low automation, resulting in low hot melt efficiency and affecting production efficiency and costs. Therefore, new fully automatic soft rubber pad separation and hot melt equipment and technologies are being developed to improve the automation and precision of soft rubber hot melt. On this basis, the feeding of plastic products and soft rubber pads is inevitably involved. Non-stop feeding has become the mainstream of the current development of automation equipment, and the concept of double silos is introduced. The current feeding equipment with a double silo structure always moves in a linear direction to achieve station switching, which will inevitably lead to the need to reserve sufficient space to achieve station switching of the double silos, which in turn poses a considerable challenge to the spatial layout of the structure. Utility Model Content

[0003] The purpose of this utility model is to provide a double-station storage bin, a feeding mechanism and an automatic hot-melt device, which at least solves the problem of unreasonable spatial layout of the feeding mechanism in the prior art, and can further solve the problems of complex hot-melt operation and low degree of automation.

[0004] The technical solution of the utility model is: a double-station storage bin, installed on a workbench, comprising:

[0005] A pair of silos, wherein a positioning plate is fixed at the lower end of each silo, and a movable plate is provided above each silo to be accommodated in the silo;

[0006] A guide assembly is provided corresponding to each silo, the guide assembly including a slide, a first guide installed between the slide and the workbench, a second guide installed between the slide and the positioning plate, and a variable pitch track; the variable pitch track has a slide groove, at least a portion of which is non-parallel to the first guide member; the positioning plate has a pulling member that slides in cooperation with the slide groove;

[0007] a driving assembly, wherein an output end of the driving assembly is connected to the sliding member;

[0008] In which, the length direction of the first guide member is perpendicular to the length direction of the second guide member, the sliding member moves along the first guide member under the action of the driving component, and causes the positioning plate to move along the second guide member under the action of the pulling member; a pair of the silos reciprocate to reach the same feeding station under the action of the driving component, and a lifting mechanism is provided under the feeding station for lifting the movable plate.

[0009] Preferably, the pair of silos are controlled by the same drive assembly;

[0010] The driving assembly includes a synchronous belt, a synchronous wheel and a driving motor; a pair of clamping members are fixed on the synchronous belt, and the clamping members are respectively fixedly connected to the sliding members on the same side.

[0011] Preferably, the pair of silos are controlled by independent drive assemblies respectively;

[0012] The driving assembly adopts any one of a cylinder, a combination of a motor and a screw rod, and a combination of a motor and a gear rack.

[0013] Preferably, the first guide member and the second guide member are both a combination of a linear guide rail and a slider;

[0014] In the first guide member, the linear guide rail is mounted on the workbench, and the slider is mounted on the lower end surface of the slider;

[0015] In the second guide member, the linear guide rail is installed on the lower end surface of the positioning plate, and the slider is installed on the upper end surface of the sliding member.

[0016] A feeding mechanism includes a double-station material storage bin, a positioning platform, and a transfer module; the transfer module is driven to move back and forth between the bin and the positioning platform to take materials from the feeding station and place them on the positioning platform.

[0017] Preferably, a brush disengagement assembly is provided above the hopper corresponding to the feeding station, and the brush disengagement assembly includes a brush and a brush driving part for driving the brush to rotate. During the rising process of taking the material, the brush acts on the contour of the material.

[0018] An automatic hot-melt device includes a feeding mechanism for feeding soft rubber pads; a plastic product punching mechanism, a conveying mechanism, and a hot-melt mechanism;

[0019] The plastic product punching mechanism includes a punching slide and an upper punching assembly; the plastic product is placed on the punching slide, and the upper punching assembly punches out the sprue of the plastic product;

[0020] The transport mechanism includes a robot gripper, which respectively grabs the punched plastic product and the soft rubber pad on the positioning table and places them on the hot melt mechanism;

[0021] The hot-melt mechanism completes the hot-melt of the plastic product and the soft rubber pad.

[0022] Preferably, a profiling turntable is further provided on the periphery of the movement area of ​​the punching slide. The profiling turntable is provided on the side of the punching slide away from the upper punching assembly for positioning and placing the punched plastic products.

[0023] Preferably, a blanking port is provided on the punching slide, and a sprue discharge chute is provided below the upper punching assembly; in the punching state, the upper end of the sprue discharge chute is aligned with the blanking port.

[0024] Preferably, a visual detection component is also provided on the side of the hot melt mechanism, and the visual detection component includes a detection slide for placing the hot melt product, a detection light source and a visual camera.

[0025] Compared with the prior art, the advantages of the present invention are:

[0026] (1) A double-station storage bin is used in the feeding mechanism to achieve non-stop feeding. The design based on the variable-pitch track enables the bin to transfer stations in a non-linear direction, thereby satisfying the requirement that the double bins always complete feeding in the same feeding station within a limited space. The structural design is compact and ingenious.

[0027] (2) Automatic hot-melt equipment is used to achieve hot-melt of plastic products and soft rubber pads. It combines their respective feeding, positioning, and transfer, has a high degree of automation, and ensures the accuracy of hot-melt. The hot-melt-finished products are then combined with the judgment of the visual inspection components to effectively ensure the quality of the finished products. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0029] Figure 1 This is a schematic structural diagram of the automatic hot-melt equipment described in the present utility model;

[0030] Figure 2 This is a structural diagram of the plastic product punching mechanism of the present invention;

[0031] Figure 3 This is a schematic structural diagram of the feeding mechanism of the present invention;

[0032] Figure 4 This is a structural diagram of the double-station storage bin of the utility model;

[0033] Figure 5 This is a schematic structural diagram of the guide assembly of the present invention;

[0034] Figure 6This is a schematic structural diagram of the double-station storage bin of the utility model as viewed from below;

[0035] Figure 7 This is a schematic structural diagram of the positioning platform of the present invention;

[0036] Figure 8 It is a structural schematic diagram of the transport mechanism of the present invention.

[0037] Among them: 01, plastic products, 02, soft rubber pads;

[0038] 1. Plastic product punching mechanism;

[0039] 11. Punching slide, 12. Blanking port, 13. Upper punching assembly, 131. Punching drive, 132. Punching tool, 14. Nozzle discharge slide, 15. Profiling transfer table;

[0040] 2. Feeding mechanism;

[0041] 21. Double-station storage silo;

[0042] 211. Bin, 212. Positioning plate, 2121. Pulling member, 213. Movable plate, 214. Sliding member, 215. First guide member, 216. Second guide member, 217. Variable pitch track, 2171. Slide, 218. Guide assembly, 219. Drive assembly;

[0043] 22. The brush is separated from the assembly;

[0044] 221, brush, 222, brush drive;

[0045] 23. Positioning table, 231. Material shifting piece;

[0046] 24. Transfer module, 241. Adsorption fixture, 242. Linear drive component;

[0047] 25. Ejecting mechanism;

[0048] 3. Transport mechanism;

[0049] 31. Robotic gripper;

[0050] 4. Hot melt mechanism;

[0051] 5. Visual inspection components;

[0052] 51. Detection slide, 52. Detection light source, 53. Visual camera;

[0053] 6. Workbench. DETAILED DESCRIPTION

[0054] The following is a further detailed description of the present invention in conjunction with specific embodiments:

[0055] The following is a further detailed description of the present invention in conjunction with specific embodiments:

[0056] like Figure 1 As shown, an automatic hot-melt device includes a plastic product punching mechanism 1, a feeding mechanism 2, a conveying mechanism 3, a hot-melt mechanism 4 and a visual detection component 5.

[0057] About plastic product punching mechanism 1:

[0058] like Figure 2 As shown, the plastic product punching mechanism 1 includes a punching slide 11 and an upper punching assembly 13 .

[0059] The punching slide 11 is mounted on a linear guide rail and is driven to reciprocate along the linear guide rail. The punching slide 11 can be driven by any of the following: a pneumatic cylinder, a motor and screw combination, a motor and rack and pinion combination, or a motor and synchronous belt combination. It should be noted that the linear motion drive mechanism in this application can adopt the above drive methods, and will not be described in detail later. Only one embodiment will be listed. The punching slide 11 has a contoured cavity for accommodating the plastic product 01 removed from the injection molding machine.

[0060] The upper punching assembly 13 is arranged across the linear guide rail, and includes a punching drive 131 and a punching tool 132. The punching drive 131 adopts a cylinder and drives the punching tool 132 to rise and fall, which is used to punch out the sprue of the plastic product 01; in order to facilitate the collection of the punched sprue, a blanking port 12 is provided on the punching slide 11, and a sprue discharge chute 14 is provided below the upper punching assembly 13; in the punching state, the upper end of the sprue discharge chute 14 is aligned with the blanking port 12.

[0061] A profiling transfer platform 15 is also provided outside the movement area of ​​the punching slide 11. The profiling transfer platform 15 is provided on the side of the punching slide 11 away from the upper punching assembly 13 for positioning and placing the punched plastic product 01.

[0062] In this embodiment, the plastic product 01 is transferred from the injection molding machine to the punching slide 11, and from the punching slide 11 to the profiling transfer table 15, both of which are performed by an external robot (not shown in the figure).

[0063] About feeding mechanism 2:

[0064] like Figure 3As shown, the feeding mechanism 2 is used to realize the feeding of the soft rubber pad 02, is installed on the workbench 6, and includes a double-station storage bin 21, a positioning platform 23, and a transfer module 24; the transfer module 24 is driven to move back and forth between the bin 211 and the positioning platform 23, and takes the material from the feeding station corresponding to the double-station storage bin 21 and places it on the positioning platform 23.

[0065] Specifically, such as Figure 4 As shown, the double-station material storage bin 21 includes a pair of material bins 211 , a guide assembly 218 and a drive assembly 219 .

[0066] In one embodiment, since the soft rubber pad 02 is a rectangular structure, the hopper 211 uses four L-shaped plates to enclose a rectangular space for the soft rubber pad 02 to be placed. Of course, in other embodiments, plates of other structural forms can also be used to enclose a rectangular space, such as four flat plates arranged in the length direction of the side. A positioning plate 212 is fixed to the lower end of the hopper 211 to provide support and guide for subsequent connections. Above the positioning plate 212 is a movable plate 213 accommodated in the hopper 211. The stacked soft rubber pads are placed on the movable plate 213. During the material removal process, since the soft rubber pads 02 gradually decrease, the movable plate 213 drives the soft rubber pads 02 to be gradually lifted up by the lifting mechanism 25, so that the top layer of soft rubber pads 02 are always at the same height.

[0067] like Figure 5 As shown, the guide assembly 218 is respectively provided corresponding to each hopper 211 , and the guide assembly 218 includes a sliding member 214 , a first guide member 215 installed between the sliding member 214 and the workbench 6 , a second guide member 216 installed between the sliding member 214 and the positioning plate 212 , and a variable distance track 217 .

[0068] Among them, the first guide member 215 and the second guide member 216 both adopt a combination of a linear guide rail and a slider, and the length directions of the first guide member 215 and the second guide member 216 are perpendicular; in the first guide member 215, the linear guide rail is installed on the workbench 6, and the slider is installed on the lower end surface of the slider 214; in the second guide member 216, the linear guide rail is installed on the lower end surface of the positioning plate 212, and the slider is installed on the upper end surface of the slider 214.

[0069] Combine Figure 6 As shown, the variable pitch track 217 has a sliding groove 2171 , at least part of which is non-parallel to the first guide member 215 ; the positioning plate 212 has a pulling member 2121 that slides in cooperation with the sliding groove 2171 .

[0070] Specifically, the slide groove 2171 is opened on the lower end surface of the variable pitch track 217, including a first guide portion and a second guide portion. The first guide portion forms an angle with the first guide member 215, and the second guide portion is parallel to the first guide member 215; the pulling member 2121 is fixed on the positioning plate 212. In order to facilitate the movement of the pulling member 2121 in the slide groove 2171, a bearing accommodated in the slide groove 2171 is assembled at the upper end of the pulling member 2121.

[0071] The output end of the driving component 219 is connected to the sliding member 214, and the sliding member 214 moves along the first guide member 215 under the action of the driving component 219, and makes the positioning plate 212 move along the second guide member 216 under the action of the pulling member 2121, that is, the running trajectory of the hopper 211 is the same as the path trajectory of the slide 2171; a pair of hoppers 211 reciprocate to reach the same feeding station under the action of the driving component 219, and the lifting mechanism 25 for lifting the movable plate 213 is correspondingly arranged below the feeding station.

[0072] In one embodiment, a pair of silos 211 are controlled by the same drive assembly 219; the drive assembly 219 includes a synchronous belt, a synchronous wheel and a drive motor; a pair of clamping members are fixed on the synchronous belt, and the clamping members are respectively fixedly connected to the sliding members 214 on the same side.

[0073] In other embodiments, a pair of silos 211 are each controlled by an independent drive assembly 219; the drive assembly 219 uses any one of a cylinder, a combination of a motor and a screw rod, and a combination of a motor and a gear rack. In this case, the two independent drive assemblies 219 need to work alternately. When the soft rubber pad in one silo 211 is removed, the other silo 211 reaches the designated position and feeds the material. At this time, in order to avoid the soft rubber pad from sticking during the material collection process, a brush separation assembly 22 is provided above the silo 211 corresponding to the feeding station. The brush separation assembly 22 includes a brush 221 and a brush drive 222 that drives the brush 221 to rotate. During the rising process of the material collection, the brush 221 acts on the contour of the material.

[0074] In this embodiment, a double-station storage bin is used to achieve non-stop loading. The design based on the variable-pitch track 217 allows the bin 211 to transfer stations in a non-linear direction, thereby satisfying the requirement that the double bins always complete feeding in the same feeding station within a limited space. The structural design is compact and ingenious.

[0075] like Figure 7 As shown, the positioning platform 23 is arranged on the side of the feeding station and is in a straight line direction parallel to the first guide member 215 with the feeding station. The end face of the positioning platform 23 has a material-pickup member 231 distributed along the three side lengths of the soft rubber pad. The material-pickup member 231 is pushed by the cylinder and is pressed against the outer contour of the soft rubber pad 02 to realize the positioning of the soft rubber pad 02.

[0076] like Figure 3 As shown, the transfer module 24 includes an adsorption fixture 241 and a linear drive member 242 . Under the action of the linear drive member 242 , the adsorption fixture 241 absorbs the soft rubber pad in the material bin 211 at the feeding station and places it on the positioning platform 23 .

[0077] About transport mechanism 3:

[0078] like Figure 8 As shown, the transport mechanism 3 includes a robot gripper 31 , which respectively grabs the punched plastic product 01 and the soft rubber pad 02 on the positioning table 23 and places them on the hot melt mechanism 4 .

[0079] In this embodiment, the robot gripper 31 has two suction ends, one suction end is used to suck the plastic product from the profiling transfer table 15, and the other suction end is used to suck the soft rubber pad from the positioning table 23. After the suction is completed, it is transferred to the side of the hot melt mechanism 4, and the plastic product and the soft rubber pad are placed on the hot melt mechanism 4 in turn.

[0080] About hot melt mechanism 4:

[0081] The hot melt mechanism 4 completes the hot melt of the plastic product and the soft rubber pad. Figure 1 As shown, a visual inspection assembly 5 is also provided on the side of the hot melt mechanism 4. The visual inspection assembly 5 includes an inspection slide 51 for placing the hot melt product, an inspection light source 52, and a visual camera 53. In order to transfer the hot melt product from the hot melt mechanism 4 to the inspection slide 51, a finished product clamp is also provided on the side of the hot melt mechanism 4. The finished product clamp is used to pick up the hot melt finished product and place it on the inspection slide 51. The qualified products are transferred to the next process, and the unqualified products are slid out through the slide provided on the side of the workbench 6.

[0082] The working principle of this utility model is as follows:

[0083] a. An external manipulator places the plastic product 01 in the injection molding machine on the punching slide 11. The punching slide 11 moves to the bottom of the upper punching assembly 13. The punching tool 132 moves downward to punch the sprue of the plastic product 01. The punched sprue falls into the sprue discharge chute 14.

[0084] b. The external manipulator continues to transfer the plastic product 01 with the sprue removed from the punching slide 11 to the profiling transfer table 15 for positioning and placement of the punched plastic product 01;

[0085] c. Simultaneously, the soft rubber pad 02 is loaded simultaneously with the above steps. The fully loaded hopper 211 moves to the feeding station, and the transfer module 24 is driven back and forth between the hopper 211 and the positioning platform 23 to take the material from the feeding station and place it on the positioning platform 23.

[0086] d. The suction ends on both sides of the robot gripper 31 sequentially pick up the plastic product 01 on the profiling transfer table 15 and the soft rubber pad 02 on the positioning table 23, and transfer them to the hot melt mechanism 4, which performs hot melting of the plastic product and the soft rubber pad;

[0087] e. The finished product gripper absorbs the hot-melt finished product and places it on the inspection slide 51. The qualified products are transferred to the next process, and the unqualified products slide out from the slide set on the side of the workbench 6.

[0088] The above embodiments are only for illustrating the technical concept and features of the present invention, and their purpose is to enable people familiar with this technology to understand the content of the present invention and implement it accordingly, and they are not intended to limit the scope of protection of the present invention. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes that fall within the meaning and scope of the equivalent elements of the claims are included in the present invention.

Claims

1. A double-station storage bin, installed on a workbench, characterized in that: include: A pair of silos, wherein a positioning plate is fixed at the lower end of each silo, and a movable plate is provided above each silo to be accommodated in the silo; A guide assembly is provided corresponding to each silo, the guide assembly including a slide, a first guide installed between the slide and the workbench, a second guide installed between the slide and the positioning plate, and a variable pitch track; the variable pitch track has a slide groove, at least a portion of which is non-parallel to the first guide member; the positioning plate has a pulling member that slides in cooperation with the slide groove; a driving assembly, wherein an output end of the driving assembly is connected to the sliding member; In which, the length direction of the first guide member is perpendicular to the length direction of the second guide member, the sliding member moves along the first guide member under the action of the driving component, and causes the positioning plate to move along the second guide member under the action of the pulling member; a pair of the silos reciprocate to reach the same feeding station under the action of the driving component, and a lifting mechanism is provided under the feeding station for lifting the movable plate.

2. The double-station storage bin according to claim 1, characterized in that: A pair of the silos are controlled by the same drive assembly; The driving assembly includes a synchronous belt, a synchronous wheel and a driving motor; a pair of clamping members are fixed on the synchronous belt, and the clamping members are respectively fixedly connected to the sliding members on the same side.

3. The double-station storage bin according to claim 1, characterized in that: A pair of the silos are controlled by independent drive components respectively; The driving assembly adopts any one of a cylinder, a combination of a motor and a screw rod, and a combination of a motor and a gear rack.

4. The double-station storage bin according to claim 1, characterized in that: The first guide member and the second guide member both adopt a combination of a linear guide rail and a slider; In the first guide member, the linear guide rail is installed on the workbench, and the slider is installed on the lower end surface of the slider; In the second guide member, the linear guide rail is installed on the lower end surface of the positioning plate, and the slider is installed on the upper end surface of the sliding member.

5. A feeding mechanism, characterized in that: include: The double-station storage bin according to any one of claims 1 to 4 further comprises a positioning platform and a transfer module; The transfer module is driven to move back and forth between the material bin and the positioning platform to take the materials from the feeding station and place them on the positioning platform.

6. The feeding mechanism according to claim 5, characterized in that: A brush disengagement assembly is provided above the hopper corresponding to the feeding station. The brush disengagement assembly includes a brush and a brush driving part for driving the brush to rotate. During the rising process of taking the material, the brush acts on the contour of the material.

7. An automatic hot melt device, characterized in that: The invention comprises the feeding mechanism as claimed in claim 5, for feeding the soft rubber pad; and further comprises a plastic product punching mechanism, a conveying mechanism, and a hot-melt mechanism; The plastic product punching mechanism includes a punching slide and an upper punching assembly; the plastic product is placed on the punching slide, and the upper punching assembly punches out the sprue of the plastic product; The transport mechanism includes a robot gripper, which respectively grabs the punched plastic product and the soft rubber pad on the positioning table and places them on the hot melt mechanism; The hot-melt mechanism completes the hot-melt of the plastic product and the soft rubber pad.

8. The automatic hot melt equipment according to claim 7, characterized in that: A profiling turntable is also provided on the periphery of the movement area of ​​the punching slide. The profiling turntable is provided on the side of the punching slide away from the upper punching assembly for positioning and placing the punched plastic products.

9. The automatic hot melt equipment according to claim 8, characterized in that: A blanking port is provided on the punching slide, and a nozzle blanking chute is provided below the upper punching assembly; in the punching state, the upper end of the nozzle blanking chute is aligned with the blanking port.

10. The automatic hot melt equipment according to claim 7, characterized in that: A visual detection component is also provided on the side of the hot melt mechanism, and the visual detection component includes a detection slide for placing the hot melt product, a detection light source and a visual camera.

Images