Tray lifting and weighing mechanism

By designing a pallet-lifting weighing mechanism and utilizing a lifting cylinder and sensor system, the problem of glue quantity error during filter element coating was solved, enabling precise weight detection and control and improving product qualification rate.

CN223870178UActive Publication Date: 2026-02-03SHANGHAI SHANJIA MACHINERY EQUIP
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Patent Information

Application Number
CN202520501274.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-21
Publication Date
2026-02-03
Estimated Expiration
2035-03-21

AI Technical Summary

Technical Problem

The high defect rate of filter elements due to glue quantity errors during the glue coating process makes it difficult to accurately control the weight before and after glue coating in real time, which affects product quality.

Method used

Design a pallet lifting and weighing mechanism, including a conveyor line, a weighing section and a discharging section. Utilize a lifting cylinder, an electronic weighing base plate, a lifting positioning plate, a weighing pallet and a weighing module, in conjunction with an RFID module, photoelectric sensors and positioning pins, to achieve accurate real-time weight detection and control.

Benefits of technology

It enables precise control of the weight before and after adhesive application, improves product qualification rate, meets the requirements of closed-loop system control, and ensures the stability of adhesive quantity.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a tray lifting and weighing mechanism, which belongs to the technical field of gluing detection and comprises a conveying line, a weighing part arranged at the bottom of the conveying line and a discharging part arranged on a conveying chain of the conveying line. The weighing part comprises a jacking air cylinder, an electronic scale bottom plate which is in transmission connection with one end of a telescopic shaft of the jacking air cylinder, a jacking positioning plate which is arranged above the electronic scale bottom plate, two weighing trays which are respectively fixed between the jacking positioning plate and the electronic scale bottom plate, and a weighing module which is fixed between the two weighing trays; the discharging part comprises a product tray arranged on a conveying chain of the conveying line, and the product tray is arranged over the jacking positioning plate. The stability of the product glue amount and whether the actual glue weight meets the set requirements or not are judged through the system, closed-loop control is achieved through the control system, and the actual qualified rate of products is detected and improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to product gluing detection technical field, concretely is a tray lifting weighing mechanism. BACKGROUND

[0002] In the production and processing of the filter core industry, the filter core needs to be coated with glue, which can effectively fill the tower, prevent liquid or gas from bypassing the filter material, ensure the filtering effect, and provide additional protection, improve the temperature resistance, acid and alkali resistance and oxidation resistance; and now these filter core products in the gluing processing, more defective products caused by glue error are discharged, it is difficult to accurately control the weight before and after gluing in real time, resulting in low qualified rate and affecting product quality.

[0003] Based on this, the utility model discloses a tray lifting weighing mechanism to solve the above problems. SUMMARY

[0004] The utility model discloses a tray lifting weighing mechanism to solve the above technical problems.

[0005] To achieve the above object, the utility model provides the following technical scheme: a tray lifting weighing mechanism, comprising: a conveying line, a weighing part arranged at the bottom of the conveying line and a discharging part arranged on the conveying chain of the conveying line;

[0006] The weighing part comprises a jacking cylinder, an electronic scale bottom plate connected to one end of the telescopic shaft of the jacking cylinder, a jacking positioning plate arranged above the electronic scale bottom plate, two weighing trays fixed between the jacking positioning plate and the electronic scale bottom plate respectively and a weighing module fixed between the two weighing trays;

[0007] The discharging part comprises a product tray arranged on the conveying chain of the conveying line, and the product tray is arranged directly above the jacking positioning plate.

[0008] Preferably, the top of the jacking positioning plate is fixed with an RFID module, a first auxiliary hole and a plurality of positioning pins, and the outer wall of each of the plurality of positioning pins is fixed with a proximity sensor.

[0009] Preferably, the product tray is provided with a second auxiliary hole, a scanning hole and a plurality of positioning sockets from bottom to top, the second auxiliary hole is vertically opposite to the first auxiliary hole, the scanning hole is vertically opposite to the scanning end of the RFID module, and each of the plurality of positioning sockets is vertically opposite to a corresponding positioning pin.

[0010] Preferably, the top of the electronic scale bottom plate is fixed with a photoelectric sensor, and the sensing end of the photoelectric sensor is arranged towards the center of the first auxiliary hole and the second auxiliary hole.

[0011] Preferably, the bottom of the conveying line is fixed with a mounting bracket, the outer wall of the mounting bracket is fixed with a bottom plate, and the jacking cylinder is fixed to the top of the bottom plate.

[0012] Preferably, the outer wall of the bottom plate is fixed with a plurality of flange linear bearings, a plurality of guide columns are arranged between the flange linear bearings, and one end of the guide column is fixed to the bottom of the electronic scale bottom plate.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] The weight of the product before and after gluing can be accurately and real-timely controlled, the product can be accurately positioned, the demand of other processes is facilitated, the stability of the product glue amount and whether the actual glue weight meets the set requirement can be judged by the system, control system is realized to realize closed-loop control and detection, and the actual qualified rate of the product is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0016] Figure 1 It is the overall structure schematic diagram of the embodiment;

[0017] Figure 2 It is the highlighted product jacking cylinder connecting structure schematic diagram of the embodiment;

[0018] Figure 3 It is the highlighted jacking positioning plate structure schematic diagram of the embodiment;

[0019] Figure 4 It is the highlighted weighing module mounting structure schematic diagram of the embodiment;

[0020] Figure 5 It is the highlighted product tray structure schematic diagram of the embodiment;

[0021] Figure 6 It is the highlighted positioning pin connecting structure schematic diagram of the embodiment.

[0022] In the drawings, the component list represented by each sign is as follows:

[0023] 1, conveying line; 2, mounting bracket; 3, bottom plate; 4, jacking cylinder; 5, electronic scale bottom plate; 6, jacking positioning plate; 7, weighing tray; 8, weighing module; 9, positioning pin; 10, product tray; 11, first auxiliary hole; 12, positioning hole; 13, scanning hole; 14, second auxiliary hole; 15, RFID module; 16, photoelectric sensor; 17, guide column; 18, proximity sensor. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] Please refer to Figures 1-6 The utility model provides a kind of technical solutions: a tray lifting weighing mechanism, comprising: conveying line 1, the weighing part being arranged at the bottom of conveying line 1 and the material discharging part being arranged on the conveying chain of conveying line 1;

[0026] The weighing part includes jacking cylinder 4, electronic scale bottom plate 5 connected to the telescopic shaft of jacking cylinder 4 at one end, jacking positioning plate 6 arranged above electronic scale bottom plate 5, two weighing trays 7 respectively fixed between jacking positioning plate 6 and electronic scale bottom plate 5, and weighing module 8 fixed between the two weighing trays 7;

[0027] The material discharging part includes product tray 10 arranged on the conveying chain of conveying line 1, and the product tray 10 is arranged directly above jacking positioning plate 6;

[0028] The space between the two rows of rails of conveying line 1 is hollow, and the weighing part mounted at the bottom thereof can lift and weigh the material discharging part using the hollow space, and the jacking cylinder 4 in the weighing part operates through its pilot valve to control the lifting of electronic scale bottom plate 5, weighing tray 7, weighing module 8 and jacking positioning plate 6, and the weight of the product except the filter core needs to be weighed during the weighing process, and the product tray 10 of the material discharging part is controlled to translate by conveying line 1, and the product that needs to be coated with glue is loaded to cooperate with the weighing part to realize real-time weighing during the coating process.

[0029] Further preferably, the top part of jacking positioning plate 6 is respectively fixed with RFID module 15, first auxiliary hole 11 and a plurality of positioning pins 9, and the outer wall of the plurality of positioning pins 9 is fixed with proximity sensor 18;

[0030] The RFID module 15 of the jacking positioning plate 6 matches the identification of the product gluing information, and the positioning pin 9 matches the jacking weighing tray 7. Each positioning pin 9 is provided with a proximity sensor 18 to monitor the distance between the product tray 10 and the positioning pin 9, and assist the weighing operation.

[0031] Further preferably, the product tray 10 is provided with a second auxiliary hole 14, a scanning hole 13 and a plurality of positioning insertion holes 12 at the bottom, respectively. The second auxiliary hole 14 is vertically opposite to the first auxiliary hole 11, the scanning hole 13 is vertically opposite to the scanning end of the RFID module 15, and the plurality of positioning insertion holes 12 are respectively vertically opposite to the plurality of positioning pins 9;

[0032] The second auxiliary hole 14 is aligned with the first auxiliary hole 11 to assist detection, the scanning hole 13 is aligned with the scanning end of the RFID module 15 to assist its operation, and the positioning insertion hole 12 is used for corresponding insertion with the positioning pin 9. When jacking the product tray 10, it is not easy to deviate.

[0033] Further preferably, the electronic scale bottom plate 5 is fixed with a photoelectric sensor 16 at the top, and the sensing end of the photoelectric sensor 16 is respectively arranged towards the center of the first auxiliary hole 11 and the second auxiliary hole 14;

[0034] The photoelectric sensor 16 of the electronic scale bottom plate 5 passes through the first auxiliary hole 11 and the second auxiliary hole 14 to facilitate sensing the filter core product on the product tray 10.

[0035] Further preferably, the conveying line 1 is fixed with a mounting bracket 2 at the bottom, the mounting bracket 2 is fixed with a bottom plate 3 on the outer wall, and a jacking cylinder 4 is fixed on the top of the bottom plate 3;

[0036] The jacking cylinder 4 is installed at the bottom of the conveying line 1 for operation by cooperating with the mounting bracket 2 and the bottom plate 3.

[0037] Further preferably, the bottom plate 3 is fixed with a plurality of flange linear bearings on the outer wall, and a plurality of guide columns 17 are arranged between the flange linear bearings, and one end of the guide column 17 is fixed to the bottom of the electronic scale bottom plate 5;

[0038] The plurality of guide columns 17 of the bottom plate 3 can move up and down with the electronic scale bottom plate 5, so that it moves up and down more stably and is not easy to deviate.

[0039] One specific application of this embodiment is as follows: After the uncoated filter element is placed on the product tray 10, it is moved to the top of the lifting positioning plate 6 via the conveyor line 1, so that the positioning pin 9 of the lifting positioning plate 6 is aligned with the positioning insertion hole 12 of the product tray 10. The photoelectric sensor 16 detects whether the product tray 10 and the product have moved to the preset detection position through the first auxiliary hole 11 and the second auxiliary hole 14. Then, the lifting cylinder 4 controls the electronic weighing base plate 5, the weighing module 8 and the lifting positioning plate 6 to move upward, insert the positioning pin 9 into the positioning insertion hole 12 of the product tray 10, and lift the product tray 10 vertically to a certain height. The initial weight of the filter element product excluding the product tray 10 is weighed. Then, the product is coated with glue. At the same time as the glue is applied, the weight of the product after glue application is measured in real time by the weighing module 8, and the glue application information of the filter element product is identified by the RFID module 15 in conjunction with the scanning hole.

[0040] In the description of this utility model, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "side", "top", "inner", "front", "center", "both ends", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0041] In this utility model, unless otherwise explicitly specified and limited, the terms "installation", "setting", "connection", "fixing", "screw connection", etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components or the interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0042] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A pallet lifting weighing mechanism, characterised in that, The utility model relates to a kind of electronic weighing system, including: Conveying line (1), the weighing part being arranged at the bottom of the conveying line (1) and the material discharging part being arranged on the conveying chain of the conveying line (1); The weighing part includes a jacking cylinder (4), an electronic scale bottom plate (5) connected to the jacking cylinder (4) in a transmission manner, a jacking positioning plate (6) arranged above the electronic scale bottom plate (5), two weighing trays (7) fixed between the jacking positioning plate (6) and the electronic scale bottom plate (5) respectively, and a weighing module (8) fixed between the two weighing trays (7); The material discharging part includes a product tray (10) arranged on the conveying chain of the conveying line (1), and the product tray (10) is arranged directly above the jacking positioning plate (6).

2. A pallet lifting weighing mechanism according to claim 1, characterised in that: The jacking positioning plate (6) is fixed with an RFID module (15), a first auxiliary hole (11) and a plurality of positioning pins (9) at the top, and the outer wall of the plurality of positioning pins (9) is fixed with a proximity sensor (18).

3. A pallet-lifting weighing mechanism according to claim 2, characterised in that: The product tray (10) is provided with a second auxiliary hole (14), a scanning hole (13) and a plurality of positioning insertion holes (12) from bottom to top, the second auxiliary hole (14) is vertically opposite to the first auxiliary hole (11), the scanning hole (13) is vertically opposite to the scanning end of the RFID module (15), and the plurality of positioning insertion holes (12) are vertically opposite to the plurality of positioning pins (9) respectively.

4. A pallet-lifting weighing mechanism according to claim 2, characterised in that: The electronic scale bottom plate (5) is fixed with a photoelectric sensor (16) at the top, and the sensing end of the photoelectric sensor (16) is arranged towards the center of the first auxiliary hole (11) and the second auxiliary hole (14) respectively.

5. A pallet lifting weighing mechanism according to claim 1, characterised in that: The bottom of the conveying line (1) is fixed with a mounting bracket (2), the outer wall of the mounting bracket (2) is fixed with a bottom plate (3), and the jacking cylinder (4) is fixed to the top of the bottom plate (3).

6. A pallet-lifting weighing mechanism according to claim 5, characterised in that: The outer wall of the bottom plate (3) is fixed with a plurality of flange linear bearings, and a plurality of guide columns (17) are arranged between the flange linear bearings, and one end of the guide column (17) is fixed to the bottom of the electronic scale bottom plate (5).