Front feeding machine for grinding workpieces

By using a double-layer frame and robotic arm design for the pre-feeder of the grinding workpiece, the problems of frequent machine stoppages and manual intervention during loading and unloading of the grinding machine are solved, achieving efficient automated production and improving the processing efficiency and capacity of the equipment.

CN223749361UActive Publication Date: 2026-01-02KUNSHAN YZD AUTOMATION EQUIP CO LTD
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Patent Information

Application Number
CN202520087304.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-15
Publication Date
2026-01-02
Estimated Expiration
2035-01-15

AI Technical Summary

Technical Problem

The existing grinding machines require manual supervision during the loading and unloading process, which leads to frequent machine downtime and affects production capacity. Furthermore, manual switching of processes is required when different specifications of workpieces are put into production, which easily results in defective parts and cannot meet the needs of automated production.

Method used

Design a pre-feeder for grinding workpieces, which adopts a double-layer frame and a robot arm. The alternating feeding and feeding of the material tray is realized through photoelectric sensors and rodless cylinders, providing synchronous working conditions and constructing a four-fold redundant buffer environment to meet the cycle time requirements of the downstream grinding equipment.

Benefits of technology

It significantly improves equipment processing efficiency, ensures that the workpiece feeding process matches the cycle time of the grinding equipment, reduces downtime, lowers scrap rate, and achieves automated production.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223749361U_ABST
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Abstract

The utility model discloses a grinding workpiece preposed feeder, which comprises an operation platform, a manipulator, a double-layer frame, a linear slide rail, a bracket, a rodless cylinder, a charging tray and a workpiece positioning seat, the manipulator is arranged on the operation platform, a workpiece pneumatic claw is arranged on the manipulator, the double-layer frame is erected on the operation platform within the range of the manipulator, and the linear slide rail is arranged on the bracket. Two sets of linear sliding rails are arranged on each layer of double-layer rack in an aligned mode, a bracket is horizontally erected on each set of linear sliding rails, a rodless air cylinder is arranged beside each set of linear sliding rails in parallel, and the rodless air cylinders are connected with the brackets through switching blocks. By means of the mode, according to the front feeding machine for grinding the workpieces, due to the fact that the double-layer machine frame provides synchronous working conditions of alternate feeding and discharging for the feeding and discharging process of the material disc, a quadruple redundant cache environment is constructed for the feeding and discharging process, the workpiece feeding process can meet the beat requirement of rear-end grinding equipment, and the working efficiency is improved. And the equipment processing efficiency is obviously improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of feeder, especially relates to a front feeder of grinding workpiece. BACKGROUND

[0002] The grinder can perform corresponding grinding operation according to the demand of different models of workpieces, and since the processing time of the grinder is relatively long, manual attendance is needed in each feeding and discharging process. If the attendance is temporarily removed, the equipment will be frequently stopped, thereby affecting the overall productivity. In addition, before the on-line grinding processing of workpieces of different specifications, manual switching of process programs is needed, and slight negligence will produce waste pieces, which cannot meet the needs of automatic production. SUMMARY

[0003] The utility model mainly solves the technical problem to provide a front feeder of grinding workpiece, since the double-layer rack provides the synchronous working condition of the feeding and discharging process of the tray, thereby constructing a four-fold redundant cache environment for the feeding and discharging process, so that the workpiece feeding process can meet the beat needs of the rear-end grinding equipment, and the processing efficiency of the equipment is significantly improved.

[0004] To solve the above technical problems, one technical scheme of the utility model is provided: a front feeder of grinding workpiece, including workbench, manipulator, double-layer rack, linear slide rail, bracket, rodless cylinder, tray, workpiece positioning seat, the workbench is provided with manipulator, the manipulator is installed with workpiece gas claw, the workbench is erected with double-layer rack in the range of manipulator, two groups of linear slide rails are arranged in alignment on each double-layer rack, the bracket is horizontally erected on each group of linear slide rails, the rodless cylinder is arranged in parallel beside each group of linear slide rails, the rodless cylinder is connected with the bracket through the adapter block, the tray is carried on the bracket, and the tray is uniformly distributed with workpiece positioning seat.

[0005] In a preferred embodiment of the utility model, the two ends of the rodless cylinder are provided with photoelectric sensors, the rodless cylinder is divided into upper rodless cylinder and lower rodless cylinder, the upper rodless cylinder and the lower rodless cylinder are reversely and alternately linked through photoelectric sensors and are connected with the manipulator.

[0006] In a preferred embodiment of the utility model, a plurality of equally spaced light transmission holes are arranged on the bracket, photoelectric switches are arranged on the double-layer rack corresponding to each light transmission hole of each bracket, and light blocking parts or light transmission holes are arranged on the bottom of the tray corresponding to each light transmission hole.

[0007] In a preferred embodiment of the utility model, a micro cylinder is vertically arranged downward on the double-layer rack, a positioning pin is arranged at the front end of the micro cylinder, a pin sleeve is formed in the bracket, and the positioning pin is matched with the pin sleeve.

[0008] In a preferred embodiment of the utility model, the double-layer rack edge is provided with a reference seat, a workpiece reference positioning seat is installed on the reference seat, a photoelectric sensor is arranged beside the workpiece reference positioning seat, and the photoelectric sensor is correspondingly linked with a workpiece gas claw.

[0009] In a preferred embodiment of the utility model, the workpiece positioning seat is in a cylindrical shape, and at least two workpiece positioning steps are arranged in the inner part.

[0010] In a preferred embodiment of the utility model, the tray edge is provided with a handle, and the tray bottom surface is provided with a supporting column.

[0011] In a preferred embodiment of the utility model, the bracket is provided with a tray positioning pin, the tray is provided with a pin hole matched with the tray positioning pin, the bracket is provided with a spring check valve, and the tray edge is clamped with the spring check valve.

[0012] In a preferred embodiment of the utility model, an NG material tray is further arranged in the range of the mechanical hand.

[0013] The utility model discloses a kind of pre-feeders of grinding workpiece, since double-layer rack provides the synchronous working condition of alternate in and out for the feeding and discharging process of tray, and then constructs a four times redundancy buffer environment for feeding and discharging process, so that workpiece feeding process can meet the beat needs of rear-end grinding equipment, significantly improve the equipment processing efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the drawings needed to be used in the embodiment description will be simply introduced as follows, and 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 be obtained according to these drawings without creative labor, wherein:

[0015] Figure 1 It is the overall structure diagram of a preferred embodiment of the utility model a kind of pre-feeders of grinding workpiece;

[0016] Figure 2 It is the structure diagram of double-layer rack;

[0017] Figure 3 It is the structure diagram of bracket;

[0018] Figure 4 It is the structure diagram of tray;

[0019] Figure 5 It is the working schematic diagram of a preferred embodiment of the utility model a kind of pre-feeders of grinding workpiece. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below. 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 protection scope of the utility model.

[0021] As shown in the utility model embodiments, comprising: Figures 1-5 A workpiece pre-feeding machine, comprising a workbench 1, a mechanical arm 2, a double-layer rack 3, a linear slide rail 4, a bracket 5, a rodless cylinder 6, a tray 7, a workpiece positioning seat 8, the workbench 1 is provided with the mechanical arm 2, the mechanical arm 2 is installed with workpiece gas claw 9, the workbench 1 is erected with double-layer rack 3 in the range of mechanical arm 2, two groups of linear slide rails 4 are arranged in alignment on each double-layer rack 3, the bracket 5 is horizontally erected on each linear slide rail 4, the rodless cylinder 6 is parallelly arranged beside each linear slide rail 4, the rodless cylinder 6 is connected with the bracket 5 through the adapter block, the tray 7 is carried on the bracket 5, and the workpiece positioning seat 8 is uniformly distributed on the tray 7.

[0022] Wherein, the both ends of the rodless cylinder 6 are matched with photoelectric sensors 10, the rodless cylinder 6 is divided into upper rodless cylinder and lower rodless cylinder, the upper rodless cylinder and the lower rodless cylinder are reversely and alternately linked through the photoelectric sensor 10 and butt joint the mechanical arm 2.

[0023] Further, a plurality of light transmission holes 51 are arranged at equal intervals on the bracket 5, the double-layer rack 3 is provided with a photoelectric switch 52 corresponding to each light transmission hole 51 of each bracket 5, and the tray 7 is provided with a light shielding part 53 or a light transmission hole 54 corresponding to each light transmission hole 51 at the bottom.

[0024] Further, a micro cylinder 31 is vertically downwardly arranged on the double-layer rack 3, a positioning pin 32 is arranged at the front end of the micro cylinder 31, a pin sleeve is formed in the bracket 5, and the positioning pin 32 is matched with the pin sleeve.

[0025] Further, a micro cylinder 31 is vertically downwardly arranged on the double-layer rack 3, a positioning pin 32 is arranged at the front end of the micro cylinder 31, a pin sleeve is formed in the bracket 5, and the positioning pin 32 is matched with the pin sleeve.

[0026] Further, a reference seat 32 is arranged at the edge of the double-layer rack 3, a workpiece reference positioning seat 33 is installed on the reference seat 32, a photoelectric sensor 10 is arranged beside the workpiece reference positioning seat 33, and the photoelectric sensor 10 is correspondingly linked with the workpiece gas claw 9.

[0027] Further, the workpiece positioning seat 8 is in the shape of a cylinder, and at least two workpiece positioning steps 81 are formed in the inner layer.

[0028] Furthermore, the material tray 7 is provided with a handle on its edge and a support column on its bottom surface.

[0029] Furthermore, the bracket 5 is provided with a tray positioning pin 51, the tray 7 is provided with a pin hole matching the tray positioning pin 51, the bracket 5 is provided with a spring check valve 53, and the edge of the tray 7 is engaged with the spring check valve 53.

[0030] Furthermore, an NG material tray 7 is also provided within the range of the robotic arm 2.

[0031] like Figure 1 As shown, this equipment is divided into a manual station and a mechanical station. The manual station is responsible for feeding in the workpiece and taking out the finished product after grinding. The mechanical station is responsible for passing the workpiece to the grinding equipment at the back end, taking out the finished product from the grinding equipment, and returning it to the manual station for unloading.

[0032] To seamlessly integrate loading and unloading operations, this equipment features a double-layer frame, allowing the robotic arm to simultaneously perform unloading actions while the operator loads the material. The robotic arm is equipped with workpiece grippers; at least two workpiece grippers are required. Figure 4 As shown, each workpiece gripper can grip two types of materials in a mixed manner. Correspondingly, the workpiece positioning step has at least two levels. The same workpiece positioning seat can use one step to accommodate small-sized materials and another step to accommodate large-sized materials.

[0033] like Figure 2 and 3 As shown, when the upper tray is loaded at the manual workstation, the lower tray will move to the opposite side of the mechanical manual workstation. The photoelectric sensor detects the running position of the bracket, so that the loading and unloading process can be seamlessly connected.

[0034] Robotic arms can be used in situations such as Figure 3 The workpiece reference positioning seat shown is reset. A reset is performed after each plate change, which can effectively prevent positioning offset.

[0035] In summary, this utility model provides a pre-feeding machine for grinding workpieces. Because the double-layer frame provides synchronous working conditions for the alternating entry and exit of the material tray during the loading and unloading process, it creates a buffer environment with four times redundancy for the loading and unloading process. This allows the workpiece loading process to meet the cycle time requirements of the downstream grinding equipment, significantly improving the processing efficiency of the equipment.

[0036] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made using the content of this utility model specification, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A pre-feed machine for grinding workpieces, characterized in that, Including work platform, manipulator, double-layer rack, linear slide rail, bracket, rodless cylinder, tray, workpiece positioning seat, the work platform is provided with manipulator, the manipulator is installed with workpiece gas claw, the work platform is erected with double-layer rack in the range of manipulator, two groups of linear slide rails are arranged in alignment on each double-layer rack, the bracket is horizontally erected on each linear slide rail, the rodless cylinder is arranged in parallel beside each linear slide rail, the rodless cylinder is connected with the bracket through the adapter block, the tray is carried on the bracket, and the workpiece positioning seat is uniformly distributed on the tray.

2. The pre-feed machine for abrasive workpieces according to claim 1, characterized in that The both ends of the rodless cylinder are provided with photoelectric sensors, the rodless cylinder is divided into upper rodless cylinder and lower rodless cylinder, the upper rodless cylinder and the lower rodless cylinder are reversely and alternately linked through photoelectric sensors and are docked with the manipulator.

3. The abrasive workpiece prefeeder of claim 1, wherein, The bracket is provided with a plurality of light transmission holes arranged at equal intervals, the double-layer rack is provided with photoelectric switches corresponding to each light transmission hole of each bracket, and the bottom of the tray is provided with a light blocking portion or a light transmission hole corresponding to each light transmission hole.

4. The abrasive workpiece prefeeder of claim 1, wherein, The double-layer rack is vertically downward provided with a micro-cylinder, the micro-cylinder is provided with a positioning pin at the front end, the bracket is provided with a pin sleeve, and the positioning pin is matched with the pin sleeve.

5. The abrasive workpiece prefeeder of claim 1, wherein, The edge of the double-layer rack is provided with a reference seat, the reference seat is installed with a workpiece reference positioning seat, the workpiece reference positioning seat is provided with a photoelectric sensor, and the photoelectric sensor is correspondingly linked with the workpiece gas claw.

6. The abrasive workpiece prefeeder of claim 1, wherein, The workpiece positioning seat is in the shape of a cylinder, and at least two workpiece positioning steps are formed in the inner portion.

7. The abrasive workpiece prefeeder of claim 1, wherein, The edge of the tray is provided with a handle, and the bottom surface of the tray is provided with a support column.

8. The abrasive workpiece prefeeder of claim 1, wherein, The bracket is provided with a tray positioning pin, the tray is provided with a pin hole matched with the tray positioning pin, the bracket is provided with a spring check valve, and the edge of the tray is clamped with the spring check valve.

9. The abrasive workpiece prefeeder of claim 1, wherein, The range of the manipulator is also provided with an NG material tray.