Screw extrusion hole buffering mechanism

Abstract

The utility model belongs to the field of fastener machining, and particularly relates to a screw extrusion hole buffering mechanism which comprises a three-axis driving mechanism and a workpiece storage rack. The three-axis driving mechanism is arranged in front of the boring machine, and a mechanical clamp is arranged at the execution end of the three-axis driving mechanism. The workpiece storage rack is arranged between the hole boring machine and the hole extruding machine, and the three-axis driving mechanism controls the mechanical clamp to transfer workpieces from the hole boring machine to the workpiece storage rack. According to the screw hole extrusion buffering mechanism provided by the invention, when boring or hole extrusion process equipment is paused or fault maintenance occurs, a blocking mechanism on a boring machine or a hole extrusion machine is started to stop materials, a three-axis driving mechanism controls a mechanical clamp to work to grab workpieces and stack the workpieces to a buffering workpiece storage rack, and when material accumulation exists in the boring or hole extrusion process due to faults, the mechanical clamp is started to stop the materials; manual feeding and discharging are replaced, the manual burden is relieved, and safety is improved. When a production line lacks materials, workpieces can be supplemented, and normal production of subsequent procedures is guaranteed without waiting.

Description

A screw extrusion hole buffer mechanism Technical Field

[0001] This application belongs to the field of fastener processing, specifically relating to a screw extrusion hole buffer mechanism. Background Technology

[0002] The machining of screw fasteners, starting from the blank, generally involves these steps: blanking, chamfering, boring, extrusion, precision turning, marking, thread rolling, and cleaning. In actual production, during the boring and extrusion processes, manual loading and unloading are often required to buffer material accumulation due to production line imbalance. However, manual intervention is labor-intensive and poses certain safety hazards to workers operating within a limited space. Summary of the Invention

[0003] The technical problem to be solved by this application is to provide a screw extrusion buffer mechanism that replaces manual loading and unloading when there is material accumulation in the boring and extrusion processes, thereby reducing the workload of workers and improving safety.

[0004] This application provides a screw extrusion hole buffer mechanism, including:

[0005] A three-axis drive mechanism is located in front of the boring machine, and a mechanical clamp is provided at the execution end of the three-axis drive mechanism;

[0006] A workpiece storage rack is set between the boring machine and the extrusion machine. The three-axis drive mechanism controls the mechanical fixture to transfer the workpiece from the boring machine to the workpiece storage rack.

[0007] Optionally, the three-axis drive mechanism includes an x-axis drive assembly, a y-axis drive assembly disposed on the x-axis drive assembly, and a z-axis drive assembly disposed on the y-axis drive assembly; the mechanical fixture is disposed at the execution end of the z-axis drive assembly, the x-axis drive assembly drives the y-axis drive assembly to translate between the boring and extrusion machines, the y-axis drive assembly drives the z-axis drive assembly to move horizontally, and the z-axis drive assembly drives the mechanical fixture to move up and down.

[0008] Optionally, the x-axis drive assembly includes a gantry frame, a plurality of first guide rails respectively disposed on the top and sides of the gantry frame, a first rack disposed on the gantry frame and distributed parallel to the first guide rails, a plurality of first sliders respectively slidingly engaged with the plurality of first guide rails, a first mounting bracket fixedly connected to the plurality of first sliders, and a first drive motor disposed on the first mounting bracket. The output shaft of the first drive motor is provided with a first gear, which meshes with the first rack.

[0009] Optionally, the y-axis drive assembly includes a plurality of second sliders arranged in an array on a first mounting bracket, two second guide rails slidably fitted on the two sets of second sliders respectively, a second mounting bracket on the two second guide rails, a second drive motor at the end of the second mounting bracket, a lead screw connected to the output shaft of the second drive motor, and a nut seat on the top of the first mounting bracket. The lead screw is screwed to the nut seat, the second mounting bracket is connected to the z-axis drive assembly, and one end of the lead screw is connected to the second mounting bracket through a bearing seat.

[0010] Optionally, the z-axis drive assembly includes a third mounting bracket disposed at one end of the second mounting bracket, a plurality of third sliders sequentially disposed on the third mounting bracket, a third guide rail that is embedded and slidably engaged with the plurality of third sliders, a connecting rod disposed on one side of the third guide rail, a second rack disposed on one side of the connecting rod and distributed parallel to the third guide rail, and a third drive motor disposed on the third mounting plate. A second gear is disposed on the output shaft of the third drive motor, and the second gear meshes with the second rack. The mechanical clamp is disposed at the bottom end of the connecting rod.

[0011] Optionally, the first drive motor, the second drive motor, and the third drive motor are servo motors, stepper motors, or geared motors.

[0012] Optionally, the mechanical clamp includes an electromagnetic clamp.

[0013] Optionally, the workpiece storage rack includes a support frame and an even number of limiting strips arranged in parallel on the top of the support frame. The top of each limiting strip has a serrated groove, and each pair of limiting strips forms a group and is used to place workpieces through the serrated groove.

[0014] Optionally, the limiting strip is fixed to the support frame by screws or welding.

[0015] Optionally, the bottom of the support frame is provided with multiple legs arranged in a rectangular array.

[0016] The beneficial effects of this application are that the screw extrusion buffer mechanism provided by this application, when the boring or extrusion process equipment is paused or undergoing maintenance due to malfunction, activates the blocking mechanism on the boring or extrusion machine to stop the material, and the three-axis drive mechanism operates the mechanical fixture to grab the workpiece and stack it to the workpiece storage rack. When there is material accumulation in the boring and extrusion processes due to malfunction, it replaces manual loading and unloading, reducing the workload of laborers and improving safety. When there is a shortage of material on the production line, the three-axis drive mechanism operates the mechanical fixture to promptly replenish the workpieces on the workpiece storage rack to the production line, ensuring that subsequent processes can continue to operate normally without waiting. Attached Figure Description

[0017] Figure 1 is a schematic diagram of the screw extrusion hole buffer mechanism provided in an embodiment of this application from one perspective.

[0018] Figure 2 is an enlarged view of area A in Figure 1;

[0019] Figure 3 is a schematic diagram of the screw extrusion buffer mechanism provided in the embodiment of this application from a second perspective.

[0020] Figure 4 is an enlarged view of area B in Figure 3;

[0021] Figure 5 is a structural schematic diagram of the workpiece storage rack provided in an embodiment of this application;

[0022] Figure 6 is a schematic diagram of the screw extrusion hole buffer mechanism provided in the embodiment of this application in use.

[0023] In the diagram: 100, Three-axis drive mechanism; 110, X-axis drive assembly; 111, Gantry frame; 112, First guide rail; 113, First rack; 114, First slider; 115, First mounting bracket; 116, First drive motor; 117, First gear; 120, Y-axis drive assembly; 121, Second slider; 122, Second guide rail; 123, Second mounting bracket; 124, Second drive motor; 125, Silk... 130. Z-axis drive assembly; 131. Third mounting bracket; 132. Third slider; 133. Third guide rail; 134. Connecting rod; 135. Second rack; 136. Third drive motor; 137. Second gear; 140. Mechanical fixture; 200. Workpiece storage rack; 210. Support frame; 220. Limiting strip; 221. Serrated groove; 230. Support leg; 300. Boring machine; 400. Extrusion machine. Detailed Implementation

[0024] To make the technical problems, technical solutions, and beneficial effects to be solved by this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and are not intended to limit the scope of this application.

[0025] As shown in Figures 1-6, the screw extrusion buffer mechanism provided in this application includes: a three-axis drive mechanism 100 and a workpiece storage rack 200; wherein, the three-axis drive mechanism 100 is disposed in front of the boring machine 300, and the execution end of the three-axis drive mechanism 100 is provided with a mechanical clamp 140; the workpiece storage rack 200 is disposed between the boring machine 300 and the extrusion machine 400, and the three-axis drive mechanism 100 manipulates the mechanical clamp 140 to transfer the workpiece from the boring machine 300 to the workpiece storage rack 200.

[0026] Compared with existing technologies, the screw extrusion buffer mechanism provided in this application, when the boring or extrusion process is paused or undergoing maintenance, activates the blocking mechanism on the boring machine 300 or extrusion machine 400 to stop the material. The three-axis drive mechanism 100 controls the mechanical clamp 140 to grab the workpiece and stack it to the workpiece storage rack 200. This replaces manual loading and unloading when there is material accumulation due to malfunctions in the boring and extrusion processes, reducing the workload and improving safety. When there is a shortage of material on the production line, the three-axis drive mechanism 100 controls the mechanical clamp 140 to promptly replenish the workpieces on the workpiece storage rack 200 to the production line, ensuring normal production of subsequent processes without waiting.

[0027] In one possible implementation, the three-axis drive mechanism 100 includes an x-axis drive assembly 110, a y-axis drive assembly 120 disposed on the x-axis drive assembly 110, and a z-axis drive assembly 130 disposed on the y-axis drive assembly 120. A mechanical fixture 140 is disposed at the execution end of the z-axis drive assembly 130. The x-axis drive assembly 110 drives the y-axis drive assembly 120 to translate between the boring machine 300 and the extrusion machine 400. The y-axis drive assembly 120 drives the z-axis drive assembly 130 to move horizontally. The z-axis drive assembly 130 drives the mechanical fixture 140 to move vertically. Specifically, the x-axis drive assembly 110 controls the mechanical fixture 140 to translate between the boring machine 300 and the extrusion machine 400. The y-axis drive assembly 120 controls the mechanical fixture 140 to move horizontally away from or towards the boring machine 300, the extrusion machine 400, and the workpiece storage rack 200. The z-axis drive assembly 130 controls the mechanical fixture 140 to move vertically to grip or release the workpiece.

[0028] In one possible implementation, the x-axis drive assembly 110 includes a gantry frame 111, a plurality of first guide rails 112 respectively disposed on the top and side of the gantry frame 111, a first rack 113 disposed on the gantry frame 111 and distributed parallel to the first guide rails 112, a plurality of first sliders 114 respectively slidingly engaged with the plurality of first guide rails 112, a first mounting bracket 115 fixedly connected to the plurality of first sliders 114, and a first drive motor 116 disposed on the first mounting bracket 115. A first gear 117 is disposed on the output shaft of the first drive motor 116, and the first gear 117 meshes with the first rack 113. Specifically, the gantry frame 111 is fixed on the working base to provide a stable support foundation. The first drive motor 116 starts to drive the first gear 117 to rotate. The rotation of the first gear 117, while cooperating with the first rack 113, drives the first mounting frame 115 to move along the first guide rail 112 (also moving along the length direction of the gantry frame 111), so as to realize the translation of the mechanical fixture 140 between the boring machine 300 and the extrusion machine 400.

[0029] In one possible implementation, the y-axis drive assembly 120 includes a plurality of second sliders 121 arranged in an array on a first mounting bracket 115, two second guide rails 122 respectively slidably engaged on the two sets of second sliders 121, a second mounting bracket 123 disposed on the two second guide rails 122, a second drive motor 124 disposed at the end of the second mounting bracket 123, a lead screw 125 connected to the output shaft of the second drive motor 124, and a nut seat disposed on the top of the first mounting bracket. The lead screw 125 is screwed to the nut seat. The second mounting bracket 123 is connected to the z-axis drive assembly 130, and one end of the lead screw 125 is connected to the second mounting bracket 123 through a bearing seat. Specifically, the second drive motor 124 is started to drive the lead screw 125 to rotate. Under the screwed engagement between the lead screw 125 and the nut seat, the rotational power of the second drive motor 124 is converted into linear driving force, thereby driving the second mounting bracket 123 to move horizontally along the guiding direction of the second slider 121, so that the mechanical fixture 140 moves horizontally away from or closer to the boring machine 300, the extrusion machine 400 and the workpiece storage rack 200.

[0030] In one possible implementation, the z-axis drive assembly 130 includes a third mounting bracket 131 disposed at one end of the second mounting bracket 123, a plurality of third sliders 132 sequentially disposed on the third mounting bracket 131, a third guide rail 133 embedded and slidingly engaged with the plurality of third sliders 132, a connecting rod 134 disposed on one side of the third guide rail 133, a second rack 135 disposed on one side of the connecting rod 134 and distributed parallel to the third guide rail 133, and a third drive motor 136 disposed on the third mounting plate. A second gear 137 is disposed on the output shaft of the third drive motor 136, and the second gear 137 meshes with the second rack 135. The mechanical clamp 140 is disposed at the bottom end of the connecting rod 134. Specifically, starting the third drive motor 136 drives the second gear 137 to rotate and run along the second rack 135, thereby driving the third guide rail 133 and the connecting rod 134 to move up and down along the guiding direction of the third sliders 132, thereby realizing the up and down movement of the mechanical clamp 140.

[0031] In one possible implementation, the first drive motor 116, the second drive motor 124, and the third drive motor 136 are servo motors, stepper motors, or geared motors.

[0032] In one possible implementation, the mechanical fixture 140 includes an electromagnetic fixture. It is capable of accommodating workpieces of various sizes and quickly picking up and placing workpieces.

[0033] In one possible implementation, the workpiece storage rack 200 includes a support frame 210 and an even number of limiting plates 220 arranged parallel to each other on the top of the support frame 210. The top of each limiting plate 220 has a serrated groove 221. Every two limiting plates 220 form a group and are used to place workpieces through the serrated groove 221. Specifically, the support frame 210 is placed on a working base surface. The number of serrated grooves 221 on the limiting plates 220 determines the number of workpieces that can be placed in the first layer. The width of the serrated groove 221 determines the diameter of the placed workpieces. The spacing between each group of two limiting plates 220 determines the length of the placed workpieces.

[0034] In one possible implementation, the limiting strip 220 is fixed to the support frame 210 by screws or welding.

[0035] In one possible implementation, the bottom of the support frame 210 is provided with multiple legs 230 arranged in a rectangular array. This facilitates the handling of the workpiece storage rack 200 using a forklift.

[0036] Those skilled in the art should understand that the discussion of any of the above embodiments is merely exemplary and is not intended to imply that the scope of protection of this application is limited to these examples; within the framework of this application, the technical features of the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other variations of different aspects of one or more embodiments of this application as described above, which are not provided in detail for the sake of brevity.

[0037] One or more embodiments in this application are intended to cover all such substitutions, modifications, and variations that fall within the broad scope of this application. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of one or more embodiments in this application should be included within the protection scope of this application.

Claims

1. A screw extrusion hole buffer mechanism, characterized in that, include: A three-axis drive mechanism (100) is located in front of the boring machine (300), and a mechanical clamp (140) is provided at the execution end of the three-axis drive mechanism (100); a workpiece storage rack (200) is located between the boring machine (300) and the extrusion machine (400), and the three-axis drive mechanism (100) controls the mechanical clamp (140) to transfer the workpiece from the boring machine (300) to the workpiece storage rack (200).

2. The screw extrusion hole buffer mechanism according to claim 1, characterized in that, The three-axis drive mechanism (100) includes an x-axis drive assembly (110), a y-axis drive assembly (120) disposed on the x-axis drive assembly (110), and a z-axis drive assembly (130) disposed on the y-axis drive assembly (120); the mechanical fixture (140) is disposed at the execution end of the z-axis drive assembly (130), the x-axis drive assembly (110) drives the y-axis drive assembly (120) to translate between the boring machine (300) and the extrusion machine (400), the y-axis drive assembly (120) drives the z-axis drive assembly (130) to move in the horizontal direction, and the z-axis drive assembly (130) drives the mechanical fixture (140) to move up and down.

3. The screw extrusion hole buffer mechanism according to claim 2, characterized in that, The x-axis drive assembly (110) includes a gantry (111), a plurality of first guide rails (112) respectively disposed on the top and side of the gantry (111), a first rack (113) disposed on the gantry (111) and distributed parallel to the first guide rails (112), a plurality of first sliders (114) respectively slidingly engaged with the plurality of first guide rails (112), a first mounting bracket (115) fixedly connected to the plurality of first sliders (114), and a first drive motor (116) disposed on the first mounting bracket (115). A first gear (117) is disposed on the output shaft of the first drive motor (116), and the first gear (117) meshes with the first rack (113).

4. The screw extrusion hole buffer mechanism according to claim 3, characterized in that, The y-axis drive assembly (120) includes a plurality of second sliders (121) arranged in an array on a first mounting bracket (115), two second guide rails (122) respectively slidably fitted on the two sets of second sliders (121), a second mounting bracket (123) arranged on the two second guide rails (122), a second drive motor (124) arranged at the end of the second mounting bracket (123), a lead screw (125) connected to the output shaft of the second drive motor (124), and a nut seat arranged on the top of the first mounting bracket. The lead screw (125) is screwed to the nut seat. The second mounting bracket (123) is connected to the z-axis drive assembly (130). One end of the lead screw (125) is connected to the second mounting bracket (123) through a bearing seat.

5. The screw extrusion hole buffer mechanism according to claim 4, characterized in that, The z-axis drive assembly (130) includes a third mounting bracket (131) disposed at one end of the second mounting bracket (123), a plurality of third sliders (132) disposed sequentially on the third mounting bracket (131), a third guide rail (133) embedded and slidingly engaged with the plurality of third sliders (132), a connecting rod (134) disposed on one side of the third guide rail (133), a second rack (135) disposed on one side of the connecting rod (134) and distributed parallel to the third guide rail (133), and a third drive motor (136) disposed on the third mounting plate. A second gear (137) is disposed on the output shaft of the third drive motor (136), and the second gear (137) meshes with the second rack (135). The mechanical clamp (140) is disposed at the bottom end of the connecting rod (134).

6. The screw extrusion hole buffer mechanism according to claim 5, characterized in that, The first drive motor (116), the second drive motor (124) and the third drive motor (136) are servo motors, stepper motors or geared motors.

7. The screw extrusion hole buffer mechanism according to any one of claims 1-6, characterized in that, The mechanical clamp (140) includes an electromagnetic clamp.

8. The screw extrusion hole buffer mechanism according to any one of claims 1-6, characterized in that, The workpiece storage rack (200) includes a support frame (210) and an even number of limiting strips (220) arranged parallel to the top of the support frame (210). The top of the limiting strips (220) has a serrated groove (221). Every two limiting strips (220) form a group and are used to place workpieces through the serrated groove (221).

9. The screw extrusion hole buffer mechanism according to claim 8, characterized in that, The limiting strip (220) is fixed to the support frame (210) by screws or welding.

10. The screw extrusion hole buffer mechanism according to claim 9, characterized in that, The bottom of the support frame (210) is provided with multiple legs (230) arranged in a rectangular array.

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