Hardware production equipment and production process

Abstract

The invention discloses hardware production equipment and a production process. The hardware production equipment comprises a workbench, an expansion pipe body, a precise feeding mechanism and a concentric fixing mechanism, wherein the expansion pipe body and the precise feeding mechanism are arranged at the top of the workbench, and the concentric fixing mechanism is arranged at the top of the workbench and used for coaxially clamping the expansion pipe body. The precise feeding mechanism comprises a supporting plate fixed to the top of the workbench and a feeding plate arranged on the front face of the supporting plate. The precise wire cutting requirement of an expansion pipe body in hardware can be met, precise cutting of the expansion pipe body in multiple directions is achieved in a multi-time wire cutting mode, the wire cutting precision and the production efficiency of the expansion pipe body are remarkably improved, the production cost is reduced, the production flexibility is enhanced, and the production efficiency is improved. The situation that the matching precision between the expansion pipe and the expansion screw is affected due to the fact that the matching clearance between the expansion pipe and the expansion screw is not uniform easily after a traditional line cutting process is effectively avoided.

Description

Technical Field

[0001] The present invention relates to the technical field of hardware manufacturing, and in particular to a production device and a production process for hardware. Background Art

[0002] As a widely used fastener, the performance and structural integrity of expansion screws are crucial to ensure the stability of the connection. Expansion screws usually consist of a screw and an expansion tube. The expansion tube expands in the hole by rotating the screw, thereby achieving a tightening effect. The tangent processing of the expansion tube is an important link in the production process, which is directly related to the uniform force of the expansion tube during the expansion process and the final expansion effect.

[0003] The traditional expansion tube tangent process usually uses a cutting disc for manual tangent cutting. Although this method is simple and direct, it has certain processing defects in actual operation. First of all, the control of cutting speed is a key issue. When the tangent speed is too fast, due to the huge energy generated by the high-speed rotation of the cutting disc, the cutting process will become unstable, resulting in fluctuations or irregularities on the cutting surface, uneven cutting edges and uneven incision width. If the cutting speed is too slow and the action time is prolonged, it is easy to increase the slit width, which will directly lead to uneven fitting clearance between the expansion tube and the expansion screw, affecting the fitting accuracy between the expansion tube and the expansion screw, and easily causing the expansion tube to not be evenly stressed during expansion, thereby affecting the expansion effect.

[0004] Therefore, it is necessary to improve the deficiencies in the prior art to solve the above problems. Summary of the invention

[0005] The present invention overcomes the shortcomings of the prior art and provides a hardware production equipment and production process. To achieve the above purpose, the technical solution adopted by the present invention is: a hardware production equipment, comprising: a workbench, an expansion tube body and a precision feeding mechanism arranged on the top of the workbench, and a concentric fixing mechanism arranged on the top of the workbench for coaxially clamping the expansion tube body;

[0006] The precision feeding mechanism comprises: a support plate fixed on the top of the workbench, a feed plate arranged on the front of the support plate, and a plurality of cross roller guide rails arranged between the support plate and the feed plate; a feed motor is installed on the top of the support plate, a ball screw is fixed on the output end of the feed motor, and a translation block is fixed on the side of the feed plate facing the support plate;

[0007] A cutting disc is arranged on the front of the feed plate, the cutting disc is located at the top of the expansion tube body, and the axis coincides with the axis center of the expansion tube body; a power source for driving the cutting disc to rotate is arranged between the feed plate and the cutting disc; a control system for realizing precise feeding tangent of the expansion tube body by using a controller is installed on one side of the workbench.

[0008] In a preferred embodiment of the present invention, the side surfaces of the ball screw near both ends are rotatably connected to the front surface of the support plate, the inner side of the translation block is threadedly connected to the side surface of the ball screw, one side of the cross roller guide is fixed to the front surface of the support plate, and the other side is fixed to the back surface of the feed plate; the feed motor is electrically connected to the control system.

[0009] In a preferred embodiment of the present invention, the concentric fixing mechanism includes: a fixing frame fixed on the top of the workbench, a mounting seat fixed on the top of the fixing frame, and a positioning column fixed on the top of the mounting seat; the expansion tube body is sleeved on the side of the positioning column, and a plurality of T-shaped slide grooves are provided on the side of the positioning column, a plurality of T-shaped top blocks are clamped on the inner sides of the plurality of T-shaped slide grooves, and a driving component for driving the plurality of T-shaped top blocks to synchronously move out of the plurality of T-shaped slide grooves is provided on the inner side of the positioning column.

[0010] In a preferred embodiment of the present invention, in the plane direction, a plurality of the T-shaped slide grooves are evenly distributed on the side of the positioning column in a circular array, and in the vertical direction, a plurality of the T-shaped slide grooves are evenly distributed on the side of the positioning column in a linear array; the number and distribution of the T-shaped top block and the T-shaped slide grooves are the same; the mounting seat and the positioning column are both coaxially arranged with the expansion tube body.

[0011] In a preferred embodiment of the present invention, the driving assembly includes: a driving motor installed on the inner side of the fixed frame, a rotating shaft installed on the output end of the driving motor, and a plurality of driving disks fixed on the rotating shaft on the inner side of the positioning column; a plurality of arc-shaped guide grooves are opened on the surface of the driving disk, a plurality of guide columns are fixed on the top of a plurality of the T-shaped top blocks, and the side surfaces of a plurality of the guide columns are slidably connected to the inner sides of a plurality of the arc-shaped guide grooves.

[0012] In a preferred embodiment of the present invention, the drive motor is electrically connected to the control system, the side of the rotating shaft is rotationally connected to the inner side of the positioning column, and the distribution method and quantity of the arc guide groove, the guide column and the T-shaped slide groove are the same.

[0013] In a preferred embodiment of the present invention, the side surface of the T-shaped top block facing the outside of the positioning column is provided with anti-slip grooves.

[0014] In a preferred embodiment of the present invention, the power source includes: a servo motor arranged on the front side of the feed plate; the output end of the servo motor is fixed to one side of the cutting disk, a support frame is installed on the side of the servo motor, one side of the support frame is installed on the front side of the feed plate, and the servo motor is electrically connected to the control system.

[0015] The present invention provides a production process of hardware production equipment, comprising the following steps:

[0016] S1. The expansion pipe body to be cut is coaxially clamped by a concentric fixing mechanism;

[0017] S2. Setting the feed speed of the cutting line according to the wall thickness, material characteristics, required cutting line depth and parameters of the cutting disc of the expansion tube body through the control system;

[0018] S3, control the power source through the control system to drive the cutting disc to rotate, and control the feed motor to drive the ball screw at the output end to rotate, and through a number of cross roller guides between the support plate and the feed plate, the rotation of the ball screw is converted from the translation block to the feed plate into a high-precision linear motion, so that the cutting disc completes a tangent from the top of the expansion tube body downward with the set tangent parameters;

[0019] S4, rotate the expansion tube body by 90 degrees, repeat step S3, and complete the secondary tangent perpendicular to the primary tangent.

[0020] In a preferred embodiment of the present invention, in the step S2, the material properties include: elastic modulus and yield strength; the parameters of the cutting disk include: diameter and rotation speed of the cutting disk;

[0021] The tangent feed speed V f : Where, E is the elastic modulus of the expansion tube body; σ s is the yield strength of the expansion tube body; h is the wall thickness of the expansion tube body; Δr is the required tangent depth of the expansion tube body; D is the diameter of the cutting disc; n is the rotation speed of the cutting disc; π is the circumference of the circle.

[0022] The present invention solves the defects existing in the background technology and has the following beneficial effects:

[0023] (1) The present invention provides a production equipment and production process for hardware. The present invention can meet the precise tangent requirements of the expansion tube body in the hardware by cooperating with a control system, a concentric fixing mechanism, a power source, a cutting disc and a precision feeding mechanism. The expansion tube body is precisely cut in multiple directions by multiple tangents, which not only significantly improves the tangent accuracy and production efficiency of the expansion tube body, but also reduces the production cost and enhances the production flexibility. It effectively avoids the uneven fitting gap between the expansion tube and the expansion screw after the traditional tangent process, which affects the fitting accuracy between the expansion tube and the expansion screw.

[0024] (2) In the present invention, a precision feeding mechanism is arranged on the top of the workbench to stably clamp the expansion tube body to be cut. Then, through the coordination of the control system, power source, cutting disc, support plate, feed motor, ball screw, translation block, feed plate and cross roller guide rail, the cutting disc can be driven to feed stably according to the command of the control system, avoiding shaking or jumping of the cutting disc during the cutting process, ensuring the stability and accuracy of the cutting, thereby improving product quality and production efficiency.

[0025] (3) In the present invention, a concentric fixing mechanism is arranged on the top of the workbench. After the expansion tube body to be processed is sleeved on the side of the positioning column, the outer sides of several T-shaped top blocks can be made to contact the inner side of the expansion tube body through the cooperation of the driving assembly, the fixing frame, the mounting seat, the positioning column, the T-shaped slide groove and the T-shaped top block, so that the positions of the contact points reaching the center of the positioning column are all the same, so that the state of the expansion tube body after clamping can be maintained coaxial with the mounting seat and the positioning column, thereby ensuring the stability and accuracy of the clamping, avoiding the displacement and rotation of the expansion tube body during the tangent process, and thus ensuring the tangent accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative work.

[0027] Figure 1 is a three-dimensional structural diagram of a preferred embodiment of the present invention;

[0028] Figure 2 2. It is a structural diagram of the feed plate and the support plate being separated in a preferred embodiment of the present invention;

[0029] Figure 3 It is a front view structure of a preferred embodiment of the present invention and a half-section structure diagram of a fixing frame thereof;

[0030] Figure 4 This is a structural diagram of the expansion tube body and the positioning column separated after tangent in a preferred embodiment of the present invention;

[0031] Figure 5 is a half-section structural diagram of a positioning column of a preferred embodiment of the present invention;

[0032] Figure 6 2. It is a structural diagram of the arc-shaped guide groove and the guide column separation of the preferred embodiment of the present invention;

[0033] In the figure: 1. workbench; 2. expansion tube body; 3. support plate; 31. feed plate; 32. cross roller guide; 33. feed motor; 34. ball screw; 35. translation block; 4. cutting disc; 5. control system; 6. fixed frame; 61. mounting seat; 62. positioning column; 63. T-type slide groove; 64. T-type top block; 7. drive motor; 71. rotating shaft; 72. drive disc; 73. arc guide groove; 74. guide column; 8. servo motor; 81. support frame. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] 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. Therefore, the protection scope of the present invention is not limited to the specific embodiments disclosed below.

[0036] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the scope of protection of the present application. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the invention, unless otherwise specified, "multiple" means two or more.

[0037] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood by specific circumstances.

[0038] like Figure 1 and Figure 2 As shown, a hardware production equipment comprises: a workbench 1, an expansion tube body 2 and a precision feeding mechanism arranged on the top of the workbench 1, and a concentric fixing mechanism arranged on the top of the workbench 1 for coaxially clamping the expansion tube body 2; the precision feeding mechanism comprises: a support plate 3 fixed on the top of the workbench 1, a feed plate 31 arranged on the front of the support plate 3, and a plurality of cross roller guide rails 32 arranged between the support plate 3 and the feed plate 31; a feed motor 33 is installed on the top of the support plate 3, a ball screw 34 is fixed on the output end of the feed motor 33, and a translation block 35 is fixed on the side of the feed plate 31 facing the support plate 3; a cutting disc 4 is arranged on the front of the feed plate 31, the cutting disc 4 is located at the top of the expansion tube body 2, and the axis coincides with the axis of the expansion tube body 2; a power source for driving the cutting disc 4 to perform rotational motion is arranged between the feed plate 31 and the cutting disc 4; a control system 5 for realizing precise feeding tangent of the expansion tube body 2 by using a controller is installed on one side of the workbench 1.

[0039] It should be noted that the side surfaces of the ball screw 34 near the two ends are rotationally connected to the front surface of the support plate 3, the inner side of the translation block 35 is threadedly connected to the side surface of the ball screw 34, one side of the cross roller guide 32 is fixed to the front surface of the support plate 3, and the other side is fixed to the back surface of the feed plate 31; the feed motor 33 is electrically connected to the control system 5; the control method of the control system 5 and the control circuit for realizing fully automatic wire cutting processing are realized by a programmable controller, which belongs to the prior art and can be realized by programming by technicians in this field. It belongs to the common knowledge in this field. Therefore, this application no longer explains the control method and module in detail, and no detailed description is made here.

[0040] Specifically, after the expansion tube body 2 to be cut is stably clamped through the cooperation of the concentric fixing mechanism, the cutting disk 4 is driven to rotate through the cooperation of the power source, and the feed motor 33 drives the ball screw 34 to rotate according to the instruction of the control system 5. The translation block 35 is threadedly connected to the side of the ball screw 34, and the rotational motion is converted into translational motion through the threaded connection. Therefore, the translation block 35 will move with the rotation of the ball screw 34. The cross roller guide 32 provides high-precision guidance to ensure the stability of the translation block 35 during movement. The feed plate 31 is fixedly connected to the translation block 35, so it will also move with the movement of the translation block 35, thereby driving the cutting disk 4 to feed stably, avoiding shaking or jumping of the cutting disk 4 during the tangent process, ensuring the stability and accuracy of the tangent, thereby improving product quality and production efficiency.

[0041] like Figure 3 , Figure 4 and Figure 6 As shown, in some embodiments, the concentric fixing mechanism includes: a fixing frame 6 fixed on the top of the workbench 1, a mounting seat 61 fixed on the top of the fixing frame 6, and a positioning column 62 fixed on the top of the mounting seat 61; the expansion tube body 2 is sleeved on the side of the positioning column 62, and a plurality of T-shaped grooves 63 are opened on the side of the positioning column 62, and a plurality of T-shaped top blocks 64 are clamped on the inner side of the plurality of T-shaped grooves 63, and a driving component for driving the plurality of T-shaped top blocks 64 to synchronously move out of the plurality of T-shaped grooves 63 is provided on the inner side of the positioning column 62.

[0042] It should be noted that, in the plane direction, a plurality of T-shaped slots 63 are evenly distributed on the side of the positioning column 62 in a circular array, and in the vertical direction, a plurality of T-shaped slots 63 are evenly distributed on the side of the positioning column 62 in a linear array; the number and distribution of T-shaped top blocks 64 and T-shaped slots 63 are the same; the mounting seat 61 and the positioning column 62 are both coaxially arranged with the expansion tube body 2.

[0043] Specifically, after the expansion tube body 2 to be processed is sleeved on the side of the positioning column 62, the driving assembly is used to drive a plurality of T-shaped top blocks 64 to synchronously move out of the inner sides of a plurality of T-shaped slide grooves 63, so that the outer sides of the plurality of T-shaped top blocks 64 can abut against the inner side of the expansion tube body 2, so that the positions of the abutment points reaching the center of the positioning column 62 are all the same, so that the state of the expansion tube body 2 after clamping can be maintained coaxial with the mounting seat 61 and the positioning column 62, thereby ensuring the stability and accuracy of the clamping, avoiding the displacement and rotation of the expansion tube body 2 during the tangent process, and thus ensuring the tangent accuracy.

[0044] like Figure 3 , Figure 5 and Figure 6As shown, in some embodiments, the driving assembly includes: a driving motor 7 installed on the inner side of the fixed frame 6, a rotating shaft 71 installed on the output end of the driving motor 7, and a plurality of driving disks 72 fixed on the rotating shaft 71 located on the inner side of the positioning column 62; a plurality of arc-shaped guide grooves 73 are opened on the surface of the driving disk 72, a plurality of guide columns 74 are fixed on the top of a plurality of T-shaped top blocks 64, and the side surfaces of the plurality of guide columns 74 are slidably connected to the inner sides of the plurality of arc-shaped guide grooves 73.

[0045] It should be noted that the drive motor 7 is electrically connected to the control system 5, the side of the rotating shaft 71 is rotatably connected to the inner side of the positioning column 62, and the distribution method and number of the arc guide groove 73 and the guide column 74 are the same as the T-shaped slide groove 63; when performing the clamping operation, the drive motor 7 is controlled to drive the rotating shaft 71 and the driving disk 72 to rotate. Since the arc guide groove 73 on the driving disk 72 is slidably connected with the guide column 74 on the T-shaped top block 64, the guide column 74 will slide along the inner side of the arc guide groove 73 from one end to the other end, so that the T-shaped top block 64 will move in the T-shaped slide groove 63, thereby realizing the transmission of power.

[0046] In some embodiments, the T-shaped top block 64 is provided with anti-slip grooves on the side facing the outside of the positioning column 62. Through the setting of the anti-slip grooves, the T-shaped top block 64 is in close contact with the expansion tube body 2 through the anti-slip grooves, preventing the expansion tube body 2 from sliding or rotating during the tangent process, thereby ensuring the stability of the expansion tube body 2 during the tangent process.

[0047] like Figure 1 As shown, in some embodiments, the power source includes: a servo motor 8 arranged on the front side of the feed plate 31; the output end of the servo motor 8 is fixed to one side of the cutting disk 4, a support frame 81 is installed on the side of the servo motor 8, one side of the support frame 81 is installed on the front side of the feed plate 31, and the servo motor 8 is electrically connected to the control system 5.

[0048] It should be noted that when performing the tangent operation, the servo motor 8 is controlled to drive the cutting disk 4 to rotate at a stable speed. At the same time, a support frame 81 is installed on the side of the servo motor 8 to provide a stable support platform for the servo motor 8, ensuring its stability during operation and avoiding instability and shaking of the cutting disk 4 during rotation.

[0049] A production process of hardware production equipment comprises the following steps:

[0050] S1, the expansion pipe body 2 to be cut is coaxially clamped by a concentric fixing mechanism;

[0051] S2, through the control system 5, according to the wall thickness of the expansion tube body 2, material characteristics, required cutting depth and parameters of the cutting disc 4, set the cutting feed speed;

[0052] S3, control the power source through the control system 5, drive the cutting disc 4 to rotate, and control the feed motor 33 to drive the ball screw 34 at the output end to rotate, and through a plurality of cross roller guides 32 between the support plate 3 and the feed plate 31, the rotation of the ball screw 34 is converted into a high-precision linear motion from the translation block 35 to the feed plate 31, so that the cutting disc 4 completes a tangent from the top of the expansion tube body 2 downward with the set tangent parameters;

[0053] S4, rotating the expansion tube body 2 by 90 degrees, repeating step S3, and completing a secondary tangent perpendicular to the primary tangent.

[0054] It should be noted that the present invention can meet the precise tangent requirements of the expansion tube body 2 in the hardware through the coordination of the control system 5, the concentric fixing mechanism, the power source, the cutting disc 4 and the precision feeding mechanism. The precise cutting of the expansion tube body 2 in multiple directions is achieved by multiple tangents, which not only significantly improves the tangent accuracy and production efficiency of the expansion tube body 2, but also reduces the production cost, enhances the production flexibility, and effectively avoids the uneven fitting gap between the expansion tube and the expansion screw after the traditional tangent process, which affects the fitting accuracy between the expansion tube and the expansion screw.

[0055] In some embodiments, in step S2, the material properties include: elastic modulus and yield strength; the parameters of the cutting disk 4 include: the diameter and rotation speed of the cutting disk 4;

[0056] Tangential feed speed V f : Wherein, E is the elastic modulus of the expansion tube body 2; σ s is the yield strength of the expansion tube body 2; h is the wall thickness of the expansion tube body 2; Δr is the required tangent depth of the expansion tube body 2; D is the diameter of the cutting disk 4; n is the rotation speed of the cutting disk 4; and π is the circumference of a circle.

[0057] It should be noted that the tangential feed speed not only takes into account the influence of the mechanical properties of the material on the cutting process, the geometric parameters of the expansion tube and the physical properties of the cutting disk, but also takes into account the influence of the elastic and plastic deformation of the material on the cutting process, ensuring that the cutting feed speed matches the mechanical response of the material, thereby providing an accurate and stable feed speed.

[0058] For example, in one embodiment, the expansion pipe body 2 is made of Q235 steel, with an elastic modulus E=200 GPa and a yield strength σ s = 235MPa, wall thickness of expansion tube body 2 h = 5mm, required tangent depth Δr = 2cm, diameter of cutting disc 4 D = 100mm, speed of cutting disc 4 n = 1000r / min; tangent feed speed After the feed speed of the tangent and the parameters of the cutting disc 4 are programmed into an automated tangent processing program through the control system 5, the tangent result of the expansion tube body 2 has no tangent processing defects such as uneven cutting edges, uneven incision widths and uneven fitting clearances.

[0059] The above is based on the ideal embodiment of the present invention. Through the above description, it is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and 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 limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0060] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A hardware production equipment, characterized in that: include: A workbench, an expansion tube body and a precision feeding mechanism arranged on the top of the workbench, and a concentric fixing mechanism arranged on the top of the workbench for coaxially clamping the expansion tube body; The precision feeding mechanism comprises: a support plate fixed on the top of the workbench, a feed plate arranged on the front of the support plate, and a plurality of cross roller guide rails arranged between the support plate and the feed plate; a feed motor is installed on the top of the support plate, a ball screw is fixed on the output end of the feed motor, and a translation block is fixed on the side of the feed plate facing the support plate; A cutting disc is arranged on the front of the feed plate, the cutting disc is located at the top of the expansion tube body, and the axis coincides with the axis center of the expansion tube body; a power source for driving the cutting disc to rotate is arranged between the feed plate and the cutting disc; a control system for realizing precise feeding tangent of the expansion tube body by using a controller is installed on one side of the workbench.

2. The hardware production equipment according to claim 1, characterized in that: The side surfaces of the ball screw near both ends are rotatably connected to the front surface of the support plate, the inner side of the translation block is threadedly connected to the side surface of the ball screw, one side of the cross roller guide is fixed to the front surface of the support plate, and the other side is fixed to the back surface of the feed plate; the feed motor is electrically connected to the control system.

3. The hardware production equipment according to claim 1, characterized in that: The concentric fixing mechanism includes: a fixing frame fixed on the top of the workbench, a mounting seat fixed on the top of the fixing frame, and a positioning column fixed on the top of the mounting seat; the expansion tube body is sleeved on the side of the positioning column, and a plurality of T-shaped slide grooves are provided on the side of the positioning column, and a plurality of T-shaped top blocks are clamped on the inner sides of the plurality of T-shaped slide grooves, and a driving component for driving the plurality of T-shaped top blocks to synchronously move out of the plurality of T-shaped slide grooves is provided on the inner side of the positioning column.

4. The hardware production equipment according to claim 3, characterized in that: In the plane direction, several of the T-shaped slots are evenly distributed on the side of the positioning column in a circular array, and in the vertical direction, several of the T-shaped slots are evenly distributed on the side of the positioning column in a linear array; the number and distribution of the T-shaped top block and the T-shaped slots are the same; the mounting seat and the positioning column are both coaxially arranged with the expansion tube body.

5. The hardware production equipment according to claim 3, characterized in that: The driving assembly includes: a driving motor installed on the inner side of the fixed frame, a rotating shaft installed on the output end of the driving motor, and a plurality of driving disks fixed on the rotating shaft on the inner side of the positioning column; a plurality of arc-shaped guide grooves are opened on the surface of the driving disk, a plurality of guide columns are fixed on the top of a plurality of the T-shaped top blocks, and the side surfaces of the plurality of the guide columns are slidably connected to the inner sides of the plurality of the arc-shaped guide grooves.

6. The hardware production equipment according to claim 5, characterized in that: The driving motor is electrically connected to the control system, the side surface of the rotating shaft is rotationally connected to the inner side of the positioning column, and the distribution mode and quantity of the arc-shaped guide groove, the guide column and the T-shaped slide groove are the same.

7. The hardware production equipment according to claim 3, characterized in that: The side surface of the T-shaped top block facing the outside of the positioning column is provided with anti-slip grooves.

8. The hardware production equipment according to claim 1, characterized in that: The power source includes: a servo motor arranged on the front side of the feed plate; the output end of the servo motor is fixed to one side of the cutting disk, a support frame is installed on the side of the servo motor, one side of the support frame is installed on the front side of the feed plate, and the servo motor is electrically connected to the control system.

9. A production process for a hardware production equipment according to any one of claims 1 to 8, characterized in that: The following steps are involved: S1. The expansion pipe body to be cut is coaxially clamped by a concentric fixing mechanism; S2. Setting the feed speed of the cutting line according to the wall thickness, material characteristics, required cutting line depth and parameters of the cutting disc of the expansion tube body through the control system; S3, control the power source through the control system to drive the cutting disc to rotate, and control the feed motor to drive the ball screw at the output end to rotate, and through a number of cross roller guides between the support plate and the feed plate, the rotation of the ball screw is converted from the translation block to the feed plate into a high-precision linear motion, so that the cutting disc completes a tangent from the top of the expansion tube body downward with the set tangent parameters; S4, rotate the expansion tube body by 90 degrees, repeat step S3, and complete the secondary tangent perpendicular to the primary tangent.

10. The production process of a hardware production equipment according to claim 9, characterized in that: In the step S2, the material properties include: elastic modulus and yield strength; the parameters of the cutting disk include: diameter and rotation speed of the cutting disk; The tangent feed speed V f : Where, E is the elastic modulus of the expansion tube body; σ s is the yield strength of the expansion tube body; h is the wall thickness of the expansion tube body; Δr is the required tangent depth of the expansion tube body; D is the diameter of the cutting disc; n is the rotation speed of the cutting disc; π is the circumference of the circle.

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