A feeding mechanism for a numerically controlled machine tool

By designing the guidance unit of the feeding mechanism of the CNC machine tool, using components such as side solid plates, fixed pulleys and electric push rods, the problem of position offset of the machining parts is solved, and the precise guidance of the machining parts and the improvement of the finished product pass rate is achieved.

CN222740928UActive Publication Date: 2025-04-11YOUFENG PRECISION MACHINERY (HUNAN) CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421479937.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-26
Publication Date
2025-04-11
Estimated Expiration
2034-06-26

AI Technical Summary

Technical Problem

During the material transfer process, the loading mechanism of CNC machine tools causes the position of the processing parts to be offset due to factors such as placement angle, method and moving inertia, resulting in a decrease in dimensional deviation and the qualification rate of the finished product.

Method used

A feeding mechanism for a CNC machine tool is designed, including a main unit and a guide unit. The guide unit realizes precise guidance and position adjustment of the machining parts through side fixing plates, fixed pulleys, fixing seats, locking components, electric push rods and lifting components.

Benefits of technology

By manually operating the pulling rod and rotating worm, the opening size of the side solid plate and the height of the fixed pulley can be adjusted, ensuring that the machining parts are accurately guided to the designated position and improving the processing pass rate.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222740928U_ABST
    Figure CN222740928U_ABST
Patent Text Reader

Abstract

The utility model discloses a feeding mechanism of a numerical control machine tool, comprising: a main unit, comprising a bottom plate, a support frame and a conveying platform are arranged on the upper side of the bottom plate, a controller is installed on one side of the support frame, and a processing machine tool is arranged at one end of the conveying platform. The utility model manually pulls a pull rod to slide inside a fixed seat according to the size of the workpiece, and a slider rotatably connected to the pull rod slides inside a limit groove, and at the same time drives the second side fixing plate to deflect relative to the first side fixing plate, so that the opening size of the second side fixing plate is larger than the size of the workpiece, so that the workpiece will not be stuck at the entrance of the first side fixing plate, and at the same time facilitates the guidance of the workpiece, so that the workpiece is guided to a designated position during movement, thereby improving the processing qualification rate.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of loading materials for numerically controlled machine tools, in particular to a loading mechanism for numerically controlled machine tools. Background Art

[0002] CNC machine tool is the abbreviation of digital control machine tool. The control unit of the CNC machine tool issues instructions to control the movement of the machine tool, thereby achieving the purpose of processing parts. CNC machine tools are mainly suitable for processing parts with complex structural shapes and high precision requirements. In order to improve production efficiency, professional loading mechanisms are usually required to assist production.

[0003] When materials move to the processing machine via a conveyor belt, the position of the workpiece will shift due to factors such as the placement angle, method and moving inertia, resulting in dimensional deviations when the workpiece is processed, affecting the qualified rate of the finished product. Utility Model Content

[0004] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and utility model name of this application to avoid blurring the purpose of this section, specification abstract and utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] In view of the above problems existing in the feeding mechanism of the existing CNC machine tool, the present utility model is proposed.

[0006] Therefore, the purpose of the utility model is to provide a feeding mechanism for a CNC machine tool, which is designed to solve the problem that "when the material moves to the processing machine tool through a conveyor belt, the position of the workpiece will be offset due to factors such as the placement angle, method and moving inertia, resulting in dimensional deviation when the workpiece is processed, affecting the qualified rate of the finished product."

[0007] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0008] A feeding mechanism for a numerically controlled machine tool, comprising:

[0009] The main unit comprises a bottom plate, a support frame and a conveying platform are arranged on the upper side of the bottom plate, a controller is installed on one side of the support frame, and a processing machine tool is arranged at one end of the conveying platform;

[0010] The guiding unit comprises two groups of side fixing plates 1 arranged on the upper surface of the conveying platform, the sides of the two groups of side fixing plates 1 being close to each other are fixedly connected to multiple groups of fixed pulleys, the sides of the two groups of side fixing plates 1 being separated from each other are fixedly connected to fixed seats, and locking components are arranged inside the fixed seats, the ends of the two groups of side fixing plates 1 away from the processing machine tools are rotatably connected to side fixing plates 2, and the sides of the two sides of the two sides being close to each other are fixedly connected to multiple groups of another fixed pulleys, limiting grooves are arranged on the opposite sides of the two groups of side fixing plates 2, electric push rods are arranged on the opposite sides of the two groups of fixed seats, and the output ends of the electric push rods are fixedly connected to the sides close to the fixed seats, a lifting component is arranged on the upper side of one group of the electric push rods, a connecting rod is arranged on the upper side of the support frame, and a limiting component is arranged on one end of the connecting rod.

[0011] As a preferred solution of the feeding mechanism of a CNC machine tool described in the utility model, the two groups of locking components both include a pull rod slidably connected to a fixed seat, and one end of the pull rod is rotatably connected to a slider, and the two groups of sliders are slidably connected to the inner wall of the limit groove.

[0012] As a preferred solution of the feeding mechanism of a CNC machine tool described in the utility model, the surfaces of the two groups of the fixing seats are both threadedly connected with bolts, and the bolts are both connected to the pull rods through threads, and the surfaces of the two groups of the pull rods are provided with multiple groups of screw grooves matching with the bolts.

[0013] As a preferred solution of the feeding mechanism of a CNC machine tool described in the utility model, the lifting assembly includes a threaded barrel rotatably connected to a support frame, and the internal thread of the threaded barrel is connected to a threaded rod, the lower end of the threaded rod is fixedly connected to an electric push rod, the upper end of the threaded rod is fixedly connected to the other end of the connecting rod, the outer side of the threaded barrel is fixedly connected to a worm gear, and a worm is meshed on one side of the worm gear, the surface of the worm gear is rotatably connected to two sets of fixed plates, and the fixed plates are all fixedly connected to the support frame.

[0014] As a preferred solution of the feeding mechanism of a CNC machine tool described in the utility model, the limit assembly includes a limit rod slidably connected to the support frame, and the upper end of the limit rod is fixedly connected to one end of the connecting rod, and the lower end of the limit rod is fixedly connected to another group of electric push rods.

[0015] As a preferred solution of the feeding mechanism of a CNC machine tool described in the utility model, the two groups of side fixing plates 1 are horizontally symmetrically arranged, and the two groups of fixing seats are both arranged at an end of the side fixing plate 1 close to the side fixing plate 2.

[0016] Beneficial effects of the utility model:

[0017] 1. According to the size of the workpiece, manually pull the pull rod to slide inside the fixed seat, and the slider rotatably connected to the pull rod slides inside the limit groove, and at the same time drives the side fixing plate 2 to deflect relative to the side fixing plate 1, so that the opening size of the side fixing plate 2 is larger than the size of the workpiece, so that the workpiece will not be stuck at the entrance of the side fixing plate 1, and at the same time it is convenient to guide the workpiece, so that the workpiece can be guided to the specified position during movement, thereby improving the processing qualification rate.

[0018] 2. Manually turn the worm to rotate the worm wheel, and drive the threaded barrel fixedly connected to the worm wheel to rotate. Under the limiting action of the connecting rod and the limiting rod, the threaded rod threadedly connected to the threaded barrel can drive the electric push rod to move up and down, so that the fixed pulley fixedly connected to the side fixing plate can be flexibly adjusted in height, and the guide position can be adjusted according to the shape of the workpiece, thereby improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0020] Figure 1 It is a three-dimensional structural schematic diagram of a feeding mechanism of a CNC machine tool proposed by the utility model;

[0021] Figure 2 for Figure 1 A schematic side view of a three-dimensional structure;

[0022] Figure 3 is a schematic diagram of the three-dimensional structure of the guide unit;

[0023] Figure 4 for Figure 1 A schematic diagram of the enlarged structure in the middle.

[0024] In the figure: 100, main unit; 101, bottom plate; 102, support frame; 103, controller; 104, conveying platform; 200, guide unit; 201, side fixing plate 1; 202, fixed pulley; 203, fixing seat; 204, connecting rod; 205, side fixing plate 2; 206, limiting groove; 207, locking assembly; 207a, pull rod; 207b, slider; 207c, bolt; 208, electric push rod; 209, lifting assembly; 209a, threaded cylinder; 209b, threaded rod; 209c, worm wheel; 209d, worm; 211, limiting assembly; 211a, limiting rod. DETAILED DESCRIPTION

[0025] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0026] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0027] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0028] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the embodiments of the present invention, for the sake of convenience, the cross-sectional diagrams showing the device structure will not be partially enlarged according to the general scale, and the schematic diagrams are only examples, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0029] Reference Figure 1-4 The utility model provides a feeding mechanism for a CNC machine tool, comprising:

[0030] The main unit 100 includes a bottom plate 101, a support frame 102 and a conveying platform 104 are arranged on the upper side of the bottom plate 101, a controller 103 is installed on one side of the support frame 102, and a processing machine tool is arranged at one end of the conveying platform 104;

[0031] The guide unit 200 includes two sets of side fixing plates 201 arranged on the upper side surface of the conveying platform 104. The sides of the two sets of side fixing plates 201 that are close to each other are fixedly connected to multiple sets of fixed pulleys 202 to facilitate the movement of the workpiece. The sides of the two sets of side fixing plates 201 that are away from each other are fixedly connected to a fixing seat 203, and the inside of the fixing seat 203 is provided with a locking assembly 207. The ends of the two sets of side fixing plates 201 that are away from the processing machine tool are rotatably connected to the side fixing plates 205 through the rotating shaft, and the sides of the side fixing plates 205 that are close to each other are fixedly connected to There are multiple sets of fixed pulleys 202, and limiting grooves 206 are provided on the opposite sides of the two sets of side fixing plates 205. Electric push rods 208 are provided on the opposite sides of the two sets of fixed seats 203, and the output ends of the electric push rods 208 are fixedly connected to the side close to the fixed seat 203. The two sets of electric push rods 208 are electrically connected to the controller 103. A lifting component 209 is provided on the upper side of one set of electric push rods 208, a connecting rod 204 is provided on the upper side of the support frame 102, and a limiting component 211 is provided at one end of the connecting rod 204.

[0032] Among them, the two groups of locking components 207 both include a pull rod 207a slidably connected to the fixed seat 203, and one end of the pull rod 207a is rotatably connected to the slider 207b through a rotating shaft. The two groups of sliders 207b are slidably connected to the inner wall of the limiting groove 206. Pulling the pull rod 207a to move on the fixed seat 203 can make the pull rod 207a drive the slider 207b to slide inside the limiting groove 206, and at the same time drive the side fixing plate 205 to deflect, thereby adjusting the opening size of the side fixing plate 205.

[0033] Furthermore, the surfaces of the two groups of fixing seats 203 are connected with bolts 207c through threaded rotation, and the bolts 207c are connected to the pull rods 207a through threaded rotation. The surfaces of the two groups of pull rods 207a are provided with multiple groups of screw grooves matching with the bolts 207c. Manually threading the bolts 207c can control the locking of the pull rods 207a and the fixing seats 203, and then lock the side fixing plate 205.

[0034] Furthermore, the lifting assembly 209 includes a threaded barrel 209a rotatably connected to the support frame 102, and the internal thread of the threaded barrel 209a is connected to a threaded rod 209b, the lower end of the threaded rod 209b is fixedly connected to the electric push rod 208, the upper end of the threaded rod 209b is fixedly connected to the other end of the connecting rod 204, the outer side of the threaded barrel 209a is fixedly connected to a worm gear 209c, and a worm 209d is meshed on one side of the worm gear 209c, the surface of the worm gear 209d is rotatably connected to two sets of fixed plates, and the fixed plates are all fixedly connected to the support frame 102, manually rotating the worm gear 209d can drive the worm gear 209c to rotate, and then drive the threaded barrel 209a to rotate, the threaded rod 209b that rotates with the threaded barrel 209a threadably drives the electric push rod 208 to move up and down, so that the fixed pulley 202 can adjust the guide height.

[0035] Furthermore, the limiting assembly 211 includes a limiting rod 211a slidably connected to the support frame 102, and the upper end of the limiting rod 211a is fixedly connected to one end of the connecting rod 204, and the lower end of the limiting rod 211a is fixedly connected to another group of electric push rods 208, which plays a limiting role so that the threaded rod 209b will not rotate with the rotation of the threaded cylinder 209a.

[0036] Furthermore, the two sets of side fixing plates 201 are horizontally symmetrically arranged, and the two sets of fixing seats 203 are both arranged at one end of the side fixing plate 201 close to the side fixing plate 205, so that the workpiece is guided by the fixed pulley 202 and transferred to the center position of the conveying platform 104.

[0037] During use, according to the size of the workpiece, the controller 103 is operated to start the electric push rod 208, so that the electric push rod 208 pushes the side fixing plate 1 201 to a position that matches the size of the workpiece, and then the pull rod 207a is manually pulled to slide inside the fixing seat 203, and the slider 207b rotatably connected to the pull rod 207a slides inside the limit groove 206, and at the same time drives the side fixing plate 205 to start deflecting relative to the side fixing plate 1 201, so that the opening size of the side fixing plate 205 is larger than the size of the workpiece, so that the processing cost will not be It is stuck at the entrance of the side fixing plate 201, and then the worm 209d is manually rotated to rotate the worm wheel 209c, and drive the threaded cylinder 209a fixedly connected to the worm wheel 209c to rotate. Under the limiting action of the connecting rod 204 and the limiting rod 211a, the threaded rod 209b threadedly connected to the threaded cylinder 209a can drive the electric push rod 208 to move up and down, and then the fixed pulley 202 fixedly connected to the side fixing plate 201 can be flexibly adjusted in height, and the guiding position can be adjusted according to the shape of the workpiece.

[0038] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A feeding mechanism for a CNC machine tool, characterized in that: include: The main unit (100) comprises a bottom plate (101), a support frame (102) and a conveying platform (104) are arranged on the upper side of the bottom plate (101), a controller (103) is installed on one side of the support frame (102), and a processing machine tool is arranged at one end of the conveying platform (104); The guide unit (200) comprises two sets of side fixing plates (201) arranged on the upper side surface of the conveying platform (104), the sides of the two sets of side fixing plates (201) close to each other are fixedly connected to multiple sets of fixed pulleys (202), the sides of the two sets of side fixing plates (201) facing away from each other are fixedly connected to a fixing seat (203), and the inside of the fixing seat (203) is provided with a locking assembly (207), the ends of the two sets of side fixing plates (201) away from the processing machine are rotatably connected to the side fixing plates (205), and the sides of the two sets of side fixing plates (205) close to each other are fixedly connected to the fixing seats (203), and the fixing seats (203) are provided with locking assemblies (207), and ... A plurality of other fixed pulleys (202) are connected, and a limiting groove (206) is provided on the opposite sides of the two sets of side fixing plates (205). An electric push rod (208) is provided on the opposite sides of the two sets of fixed seats (203), and the output ends of the electric push rods (208) are fixedly connected to the side close to the fixed seat (203). A lifting assembly (209) is provided on the upper side of one set of the electric push rods (208), and a connecting rod (204) is provided on the upper side of the support frame (102), and a limiting assembly (211) is provided on one end of the connecting rod (204).

2. A feeding mechanism for a CNC machine tool according to claim 1, characterized in that: Both sets of locking components (207) include a pull rod (207a) slidably connected to the fixing seat (203), and one end of the pull rod (207a) is rotatably connected to a slider (207b), and both sets of sliders (207b) are slidably connected to the inner wall of the limiting groove (206).

3. A feeding mechanism for a CNC machine tool according to claim 2, characterized in that: The surfaces of the two sets of fixing seats (203) are both threadedly connected with bolts (207c), and the bolts (207c) are both connected to the pull rods (207a) through threads. The surfaces of the two sets of pull rods (207a) are provided with multiple sets of thread grooves matching with the bolts (207c).

4. A feeding mechanism for a CNC machine tool according to claim 3, characterized in that: The lifting assembly (209) includes a threaded barrel (209a) rotatably connected to the support frame (102), and the internal thread of the threaded barrel (209a) is connected to a threaded rod (209b), the lower end of the threaded rod (209b) is fixedly connected to the electric push rod (208), and the upper end of the threaded rod (209b) is fixedly connected to the other end of the connecting rod (204), the outer side of the threaded barrel (209a) is fixedly connected to a worm gear (209c), and a worm (209d) is meshed on one side of the worm gear (209c), and the surface of the worm gear (209d) is rotatably connected to two sets of fixed plates, and both of the fixed plates are fixedly connected to the support frame (102).

5. A feeding mechanism for a CNC machine tool according to claim 4, characterized in that: The limiting assembly (211) comprises a limiting rod (211a) slidably connected to the support frame (102), wherein the upper end of the limiting rod (211a) is fixedly connected to one end of the connecting rod (204), and the lower end of the limiting rod (211a) is fixedly connected to another group of electric push rods (208).

6. The feeding mechanism of a CNC machine tool according to claim 1, characterized in that: The two groups of side fixing plates (201) are arranged horizontally and symmetrically, and the two groups of fixing seats (203) are arranged at one end of the side fixing plate (201) close to the side fixing plate (205).