CN222370805U - Metal stroke rolling calibration system - Google Patents

Abstract

The utility model relates to the field of metal material processing and testing equipment, and discloses a metal stroke rolling calibration system which comprises a frame, wherein a supporting plate is arranged above the frame, a pressure head mechanism is arranged above the supporting plate, a rolling mechanism is arranged below the supporting plate, a lifting rotating mechanism for driving the rolling mechanism to lift and rotate is arranged inside the frame, the rolling mechanism comprises a hob and a roller, the pressure head mechanism comprises a pressure head body, and a displacement detection device and a pressure detection device for measuring displacement and bearing pressure of a metal piece are further arranged on the pressure head mechanism. The displacement detection device and the pressure detection device are utilized to measure the displacement and bearing pressure of the metal piece in the rolling process, so that the system can monitor and control the rolling force and the stroke of the rolling mechanism in real time, the problem of stroke rolling errors caused by equipment performance deviation is solved, and the quality and the production efficiency of products are improved.

Description

Metal stroke rolling calibration system

Technical Field

The utility model relates to the field of metal material processing and testing equipment, in particular to a metal stroke rolling calibration system.

Background

The metal rolling is a chipless processing method utilizing plastic deformation of metal, is commonly used for processing inner and outer rotating surfaces of shaft parts and sleeve parts, can be used for rolling threads of parts such as screws, bolts and the like, rolling small modulus gears, knurling and the like, and is characterized in that a roller is used for rolling the metal surface to roll up a convex part of the surface, so that a concave part is raised, and finally, the surface is processed into a smooth mirror surface.

In the field of metal working, it is very important to precisely control the stroke rolling of metal materials, which requires high precision and reliability of rolling equipment, however, the existing rolling equipment may have a problem of reduced precision after long-term use, so that an effective calibration system is required to ensure the precision of the rolling equipment.

Disclosure of utility model

The utility model aims to solve the problem of providing a metal stroke rolling calibration system, wherein one end of a metal piece passes through a positioning hole on a supporting plate and enters between a hob and a roller of a rolling mechanism under the action of a pressure head mechanism, the hob and the roller are clamped, and then driven by a lifting rotating mechanism, the rolling mechanism drives the roller and the hob to move downwards and rotate so as to roll the metal piece in a stroke way, and displacement and bearing pressure of the metal piece are measured through a displacement detecting device and a pressure detecting device so as to adjust rolling force and stroke conveniently, and rolling accuracy and precision are improved.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

The metal stroke rolling calibration system comprises a frame, wherein a supporting plate for placing metal pieces is arranged above the frame, a pressing head mechanism capable of lifting is arranged above the supporting plate, a rolling mechanism is arranged below the supporting plate, and a lifting rotating mechanism for driving the rolling mechanism to lift and rotate is arranged inside the frame;

The rolling mechanism comprises a hob and a roller which are oppositely arranged and can synchronously move horizontally to the axis position of the metal piece, the pressing head mechanism comprises a pressing head body which can be propped against the top end of the metal piece, the pressing head mechanism is also provided with a displacement detection device and a pressure detection device which are used for measuring the displacement and bearing pressure of the metal piece, and one end of the metal piece can pass through a positioning hole on the supporting plate to the middle of the hob and the roller.

Optionally, the top fixed mounting of frame has the portal frame, the slip table that can go up and down is installed to the inside sliding of portal frame, pressure head mechanism install in on the slip table, just layer board fixed mounting in the inboard of portal frame.

Optionally, a first telescopic component is installed at the top of the portal frame, and the output end of the first telescopic component is connected with the sliding table.

Optionally, the pressure head mechanism further comprises a shell fixedly connected with the sliding table, wherein a fixed block, a middle block and a slidable pressing block are sequentially arranged on the inner side of the shell from top to bottom;

the pressure detection device is arranged between the fixed block and the middle block, the displacement detection device is arranged at the top of the fixed block, and a test rod of the displacement detection device sequentially penetrates through the fixed block, the pressure detection device and the middle block to be connected with the pressing block.

Optionally, the outside slip cap of pressure head body is equipped with the deflector, one side fixedly connected with guide bar of deflector, the one end activity of guide bar wears to locate on the casing, just be located on the guide bar the casing with be provided with the spring between the deflector.

Optionally, the rolling mechanism further comprises a bottom plate and a second telescopic component, the bottom plate is connected with the output end of the lifting rotating mechanism, a first sliding block and a second sliding block which are opposite are arranged above the bottom plate, the first sliding block and the second sliding block are both connected with the bottom plate in a sliding manner, and two ends of the second telescopic component are respectively connected with the first sliding block and the second sliding block;

The first sliding block is fixedly provided with a cutter frame, the hob is rotatably arranged at the tail end of the cutter frame, the second sliding block is fixedly provided with a wheel frame, and the idler wheel is rotatably arranged at the tail end of the wheel frame.

Optionally, one hob is provided, two rollers are provided, and the hob and the rollers are distributed in a delta shape.

Optionally, the lifting rotation mechanism includes with the fixed support that links to each other of frame, the nut cover is installed to the inside rotation of support, the inside rotation of nut cover wears to be equipped with the lead screw, the upper end of lead screw is connected with the ejector pin that can rotate, just the upper end of ejector pin with the bottom plate is fixed to link to each other.

Optionally, a rotating shaft for driving the nut sleeve and the ejector rod to rotate is rotatably installed on one side of the frame, and the rotating shaft is connected with the nut sleeve and the ejector rod through a first transmission assembly and a second transmission assembly respectively.

Optionally, the outside cover of ejector pin is equipped with the sleeve, telescopic outside fixedly connected with backup pad, just the backup pad with the frame slip links to each other.

Advantageous effects

(1) According to the utility model, the displacement and bearing pressure of the metal piece in the rolling process are measured by utilizing the displacement detection device and the pressure detection device, so that the system can monitor and control the rolling force and the stroke of the rolling mechanism in real time, the problem of stroke rolling error caused by equipment performance deviation is solved, and the quality and the production efficiency of products are improved.

(2) According to the utility model, the precision of downward movement of the pressure head body can be ensured through the guide plate and the guide rod, the effect of buffering and absorbing energy can be achieved through the spring between the shell and the guide plate, the impact between the pressure head mechanism and the supporting plate during downward movement is avoided, and the damage of mechanism parts caused by impact force is prevented.

(3) The nut sleeve and the ejector rod can be driven by the same rotating shaft through the first transmission component and the second transmission component, namely, the nut sleeve and the ejector rod synchronously rotate, so that the structure of the lifting rotating mechanism can be simplified, the lifting rotating mechanism occupies smaller space, a certain linear relation between the rotating angle and the lifting height of the rolling mechanism can be ensured, and the rolling stroke can be controlled conveniently.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the structure of the gantry of the present utility model;

FIG. 3 is a schematic view of the front view of the gantry of the present utility model;

FIG. 4 is a schematic view of the ram mechanism of the present utility model;

FIG. 5 is a schematic view of the elevating rotation mechanism of the present utility model;

FIG. 6 is a schematic diagram of an axial structure of the lifting and rotating mechanism of the present utility model;

FIG. 7 is a schematic view of the rolling mechanism of the present utility model;

Wherein, 1, a frame, 2, a portal frame, 21, a supporting plate, 22, a positioning hole, 23, a first telescopic component, 3, a sliding table, 4, a pressure head mechanism, 41, a shell, 42, a fixed block, 43, an intermediate block, 44, a pressing block, 45, a pressure head body, 46, a guide plate, 47, a guide rod, 48, a spring, 5, a rolling mechanism, 51, a knife rest, 52, a hob, 53, a wheel frame, 54, a roller, 55, a bottom plate, 56, a first sliding block, 57, a second sliding block, 58, a second telescopic component, 6, a lifting rotating mechanism, 61, a bracket, 62, a nut sleeve, 63, a screw rod, 64, a push rod, 65, a sleeve, 66, a supporting plate, 67, a rotating shaft, 68, a first transmission component, 69, a second transmission component, 7, a displacement detection device, 71, a test rod, 8, a pressure detection device and 9 are arranged on a metal piece.

Detailed Description

The utility model will now be described in further detail with reference to the drawings and examples, which are simplified schematic illustrations of the basic structure of the utility model, which are presented only by way of illustration, and thus show only the structures that are relevant to the utility model.

Example 1

As shown in fig. 1-3, a metal stroke rolling calibration system comprises a frame 1, a portal frame 2, a sliding table 3, a pressure head mechanism 4, a rolling mechanism 5, a lifting and rotating mechanism 6, a displacement detection device 7 and a pressure detection device 8.

The inner side of the portal frame 2 is fixedly provided with a supporting plate 21 for installing the metal piece 9, the supporting plate 21 is provided with a positioning hole 22 for one end of the metal piece 9 to pass through, and the portal frame 2 is fixedly arranged at the top of the frame 1, namely, the supporting plate 21 is positioned above the frame 1.

The pressure head mechanism 4 fixed mounting is on slip table 3, and slip table 3 passes through current slide rail assembly slidable mounting in the inboard of portal frame 2, and the top of portal frame 2 installs first flexible subassembly 23, and the output of first flexible subassembly 23 links to each other with slip table 3, but the flexible drive slip table 3 that passes through the output of first flexible subassembly 23 goes up and down, and then drives pressure head mechanism 4 and realize going up and down.

The displacement detection device 7 and the pressure detection device 8 respectively adopt an existing displacement sensor and a pressure sensor, which are both arranged on the pressure head mechanism 4 and are respectively used for measuring the displacement and bearing pressure of the metal piece 9.

The lifting and rotating mechanism 6 is arranged in the frame 1 and is used for driving the rolling mechanism 5 to lift and rotate, the output end of the lifting and rotating mechanism 6 can penetrate through the top of the frame 1 to be connected with the rolling mechanism 5, and under the action of the pressure head mechanism 4, one end of the metal piece 9 penetrates through the positioning hole 22 on the supporting plate 21 to enter the rolling mechanism 5 to be clamped, and then the rolling mechanism 5 rotates and moves downwards to roll the metal piece 9 in a spiral track.

The sliding table 3 is in a square frame structure, the output end of the first telescopic component 23 is connected with the top of the sliding table 3, the pressing head mechanism 4 is arranged at the lower part of the sliding table 3, two sides of the sliding table 3 are connected with the side wall of the portal frame 2 in a sliding mode, the first telescopic component 23 is driven by a servo motor and stretches out and draws back by utilizing the principle of screw nut transmission, the high-precision motion control device has the advantage of high-precision motion control, high-precision measurement and adjustment of the metal material stroke can be achieved, the portal frame 2 is located above the frame 1, the sliding table 3 and the pressing head mechanism 4 are located above the supporting plate 21, the rolling mechanism 5 is located between the supporting plate 21 and the lifting rotating mechanism 6, and the lifting rotating mechanism 6 is located inside the frame 1.

The displacement and bearing pressure of the metal piece 9 in the rolling process are measured by utilizing the displacement detection device 7 and the pressure detection device 8, so that the rolling force and the rolling stroke of the rolling mechanism 5 can be monitored and controlled in real time by the system, the problem of rolling error of the rolling stroke caused by equipment performance deviation is solved, and the quality and the production efficiency of products are improved.

As shown in fig. 3-4, the pressure head mechanism 4 comprises a shell 41 fixedly connected with the sliding table 3, a fixed block 42, a middle block 43 and a slidable pressing block 44 are sequentially arranged on the inner side of the shell 41 from top to bottom, one end of the pressing block 44 can be abutted against the middle block 43, the other end of the pressing block 44 is connected with a pressure head body 45 which can be abutted against the top end of the metal piece 9, the pressure detection device 8 is arranged between the fixed block 42 and the middle block 43, the displacement detection device 7 is arranged on the top of the fixed block 42, and a test rod 71 of the displacement detection device 7 sequentially penetrates through the fixed block 42, the pressure detection device 8 and the middle block 43 to be connected with the pressing block 44.

The fixed block 42 is fixedly connected with the casing 41, and the force borne by the metal piece 9 can be transferred to the pressure detection device 8 through the pressing head body 45, the pressing block 44 and the middle block 43 in sequence under the support of the fixed block 42, and the test rod 71 is the test end of the displacement detection device 7 and can move along with the pressing block 44, so that the displacement detection device 7 feeds back the displacement of the metal piece 9 in real time.

The tail end of the pressing head body 45 is connected with the metal piece 9, that is, the tail end of the pressing head body 45 can be embedded into the metal piece 9 and is connected from bottom to top through a screw, so that after rolling is finished, the metal piece 9 is driven to be separated from the positioning hole 22 upwards along with the upward movement of the pressing head mechanism 4, and the pressing head is convenient for a worker to take down.

Further, a guide plate 46 is slidably sleeved on the outer side of the ram body 45, a guide rod 47 is fixedly connected to one side of the guide plate 46, one end of the guide rod 47 movably penetrates through the shell 41, and a spring 48 is arranged on the guide rod 47 and located between the shell 41 and the guide plate 46.

The guide rod 47, the test rod 71 and the pressure head body 45 are perpendicular to the supporting plate 21, a limiting block is arranged at the upper end of the guide rod 47 to ensure that the guide rod 47 cannot be separated from the shell 41, the downward moving precision of the pressure head body 45 can be ensured through the guide plate 46 and the guide rod 47, the effect of buffering and energy absorption can be achieved through the spring 48 between the shell 41 and the guide plate 46, impact between the pressure head mechanism 4 and the supporting plate 21 is avoided when the pressure head mechanism moves downward, and damage to mechanism parts caused by impact force is prevented.

The calibration method of the system is as follows:

Firstly, driving the sliding table 3 to move downwards through the first telescopic component 23 to enable the displacement detection device 7 and the pressure detection device 8 to move to the position to be detected;

measuring and recording the down force and the initial stroke of the measured metal piece 9;

Step (3), clamping the metal piece 9 by a cutter head of the rolling mechanism 5, and adjusting different clamping forces according to requirements;

step (4), driving the rolling mechanism 5 to spirally move downwards through the lifting rotating mechanism 6 so as to carry out stroke rolling on the metal piece 9;

Step (5), monitoring data of the displacement detection device 7 and the pressure detection device 8, and adjusting the stroke and rolling force of the rolling mechanism 5 in real time according to the data;

Step (6), adjusting the clamping force of the rolling mechanism 5 on the metal piece 9 to ensure the stability of the rolling process;

And (7) repeating the step (3) until the stroke rolling of the metal piece 9 reaches the preset precision requirement.

Example two

On the basis of the first embodiment, the utility model also provides a structure of the rolling mechanism 5.

As shown in fig. 1 and 7, the rolling mechanism 5 includes a bottom plate 55 and a second telescopic assembly 58, the bottom plate 55 is connected with an output end of the lifting and rotating mechanism 6, a first sliding block 56 and a second sliding block 57 which are opposite are arranged above the bottom plate 55 and are slidably connected with the bottom plate 55 through existing sliding rail assemblies, two ends of the second telescopic assembly 58 are respectively connected with the first sliding block 56 and the second sliding block 57, namely, a fixed end of the second telescopic assembly 58 is connected with the first sliding block 56, and the output end is connected with the second sliding block 57 so as to ensure that the first sliding block 56 and the second sliding block 57 can be synchronously opened and closed.

The first slide block 56 is fixedly provided with a knife rest 51, the tail end of the knife rest 51 is rotatably provided with a hob 52, the second slide block 57 is fixedly provided with a wheel frame 53, the tail end of the wheel frame 53 is rotatably provided with a roller 54, and one end of the metal piece 9 can pass through a positioning hole 22 on the supporting board 21 to the middle of the hob 52 and the roller 54.

The second telescopic components 58 adopt air cylinders and control the output thrust thereof through an electric proportional valve, and the two second telescopic components 58 are symmetrically distributed on two sides of the tool rest 51 so as to ensure that the first sliding block 56 and the second sliding block 57 can be stably opened and closed.

The hob 52 is rotatably mounted at the end of the tool holder 51, the roller 54 is rotatably mounted at the end of the wheel frame 53, and the hob 52 and the roller 54 are oppositely arranged and can synchronously move horizontally to the axial position of the metal piece 9 until the metal piece 9 is clamped, and the clamping force of the hob and the roller is controlled by the electric proportional valve because the tool holder 51 and the wheel frame 53 are fixedly connected with the first sliding block 56 and the second sliding block 57 respectively.

Further, one hob 52 is provided, two rollers 54 are provided, and the hob 52 and the rollers 54 are distributed in a delta shape so as to be capable of better clamping the metal piece 9.

Example III

On the basis of the first embodiment and the second embodiment, the utility model also provides a lifting and rotating mechanism 6 for driving the rolling mechanism 5 to rotationally lift.

As shown in fig. 1 and 5-6, the lifting and rotating mechanism 6 comprises a bracket 61 fixedly connected with the frame 1, a nut sleeve 62 is rotatably installed in the bracket 61, a screw rod 63 is rotatably arranged in the nut sleeve 62, the upper end of the screw rod 63 is connected with a rotatable ejector rod 64, and the upper end of the ejector rod 64 is fixedly connected with the bottom plate 55.

Under the support of the bracket 61, the nut sleeve 62 is driven to rotate, so that the screw rod 63 which is screwed and penetrated in the screw rod is enabled to move along the axial direction, the screw rod 63 is connected with the ejector rod 64, the ejector rod 64 is fixedly connected with the bottom plate 55, the purpose of driving the rolling mechanism 5 to lift is achieved, in addition, the ejector rod 64 can rotate around the axis of the ejector rod 64, the purpose of driving the rolling mechanism 5 to rotate is achieved, and therefore the rotation and the lifting of the rolling mechanism 5 can be simultaneously carried out under the combined action of the screw rod 63 and the ejector rod 64.

The screw 63 here preferably adopts a planetary ball screw, which is a mechanism for converting rotational motion into linear motion, that is, rolling elements between the nut sleeve 62 and the screw 63 are threaded rollers, and numerous contact lines make the bearing capacity of the planetary ball screw very strong so as to meet the requirement of supporting the rolling mechanism 5 here.

The sleeve 65 is sleeved outside the ejector rod 64, the supporting plate 66 is fixedly connected to the outer side of the sleeve 65, and the supporting plate 66 is slidably connected with the frame 1.

The ejector rod 64 can rotate relative to the sleeve 65, the sleeve 65 can move up and down along with the supporting plate 66, on the basis of the fact, the lifting and the rotation of the ejector rod 64 can be guaranteed to be carried out stably, and sliding connection between the supporting plate 66 and the frame 1 is achieved through an existing sliding rail assembly.

In addition, a rotating shaft 67 for driving the nut sleeve 62 and the ejector rod 64 to rotate is rotatably installed at one side of the frame 1, and the rotating shaft 67 is connected with the nut sleeve 62 and the ejector rod 64 through a first transmission assembly 68 and a second transmission assembly 69 respectively.

The rotating shaft 67 is rotatably installed at one side of the frame 1 and driven to rotate by a servo motor, and the nut sleeve 62 can be driven to rotate by the rotating shaft 67 through the first transmission assembly 68, and the ejector rod 64 can be driven to rotate by the second transmission assembly 69.

Further, the first transmission assembly 68 and the second transmission assembly 69 are both in belt transmission structures to achieve power transmission, the structures of the first transmission assembly 68 and the second transmission assembly 69 are the same, the first transmission assembly and the second transmission assembly comprise a driving belt wheel, a driven belt wheel and a synchronous belt, two ends of the synchronous belt can be respectively sleeved on the circumferential surfaces of the driving belt wheel and the driven belt wheel, the driving belt wheel is driven to rotate by the rotating shaft 67, and torque is transmitted to the driven belt wheel by the synchronous belt to drive corresponding components to achieve rotation.

Specifically, the two driving pulleys are fixedly assembled on the rotating shaft 67, the two driven pulleys are fixedly assembled on the nut sleeve 62 and the ejector rod 64 respectively, and the corresponding synchronous belt is installed between the corresponding pulleys in a matched manner, so that torque transmission is realized. The nut sleeve 62 and the ejector rod 64 are driven by the same rotating shaft 67 through the first transmission assembly 68 and the second transmission assembly 69, namely, the nut sleeve 62 and the ejector rod 64 can synchronously rotate, so that the structure of the lifting rotating mechanism 6 can be simplified, the lifting rotating mechanism occupies smaller space, a certain linear relation between the rotating angle and the lifting height of the rolling mechanism 5 can be ensured, and the rolling stroke can be controlled conveniently.

The supporting plate 66 is provided with a clearance hole for the synchronous belt to pass through, and the lifting stroke of the rolling mechanism 5 is in a controllable range, so as to ensure that the synchronous belt of the second transmission assembly 69 positioned above can work normally even if slightly twisted.

In summary, the present utility model aims to provide a metal stroke rolling calibration system, which can accurately measure and adjust the stroke rolling of metal materials, so as to improve the overall accuracy and reliability of the device.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

The above-described preferred embodiments according to the present utility model are intended to suggest that, from the above description, various changes and modifications can be made by the person skilled in the art without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.

Claims (10)

1. The metal stroke rolling calibration system is characterized by comprising a frame (1), wherein a supporting plate (21) for placing a metal piece (9) is arranged above the frame (1), a pressing head mechanism (4) capable of lifting is arranged above the supporting plate (21), a rolling mechanism (5) is arranged below the supporting plate (21), and a lifting and rotating mechanism (6) for driving the rolling mechanism (5) to lift and rotate is arranged inside the frame (1);

The rolling mechanism (5) comprises a hob (52) and a roller (54) which are oppositely arranged and can synchronously move towards the axis position of the metal piece (9), the pressing head mechanism (4) comprises a pressing head body (45) which can be pressed against the top end of the metal piece (9), the pressing head mechanism (4) is further provided with a displacement detection device (7) and a pressure detection device (8) which are used for measuring the displacement and bearing pressure of the metal piece (9), and one end of the metal piece (9) can pass through a positioning hole (22) on the supporting plate (21) to be positioned between the hob (52) and the roller (54).

2. The metal stroke rolling calibration system according to claim 1, wherein a portal frame (2) is fixedly arranged at the top of the frame (1), a sliding table (3) capable of lifting is slidably arranged on the inner side of the portal frame (2), the pressure head mechanism (4) is arranged on the sliding table (3), and the supporting plate (21) is fixedly arranged on the inner side of the portal frame (2).

3. The metal stroke rolling calibration system according to claim 2, wherein a first telescopic assembly (23) is installed at the top of the portal frame (2), and the output end of the first telescopic assembly (23) is connected with the sliding table (3).

4. The metal stroke rolling calibration system according to claim 2, wherein the pressure head mechanism (4) further comprises a shell (41) fixedly connected with the sliding table (3), and a fixed block (42), a middle block (43) and a slidable pressing block (44) are sequentially arranged on the inner side of the shell (41) from top to bottom;

One end of the pressing block (44) is connected with the pressing head body (45), and the other end of the pressing block can be propped against the middle block (43);

The pressure detection device (8) is arranged between the fixed block (42) and the middle block (43), the displacement detection device (7) is arranged at the top of the fixed block (42), and a test rod (71) of the displacement detection device (7) sequentially penetrates through the fixed block (42), the pressure detection device (8) and the middle block (43) and is connected with the pressing block (44).

5. The metal stroke rolling calibration system according to claim 4, wherein a guide plate (46) is sleeved on the outer side of the pressure head body (45) in a sliding mode, a guide rod (47) is fixedly connected to one side of the guide plate (46), one end of the guide rod (47) movably penetrates through the shell (41), and a spring (48) is arranged between the shell (41) and the guide plate (46) on the guide rod (47).

6. The metal stroke rolling calibration system according to claim 1, wherein the rolling mechanism (5) further comprises a bottom plate (55) and a second telescopic component (58), the bottom plate (55) is connected with the output end of the lifting rotating mechanism (6), a first sliding block (56) and a second sliding block (57) which are opposite are arranged above the bottom plate (55), the first sliding block and the second sliding block are both connected with the bottom plate (55) in a sliding manner, and two ends of the second telescopic component (58) are respectively connected with the first sliding block (56) and the second sliding block (57);

The first sliding block (56) is fixedly provided with a tool rest (51), the hob (52) is rotatably arranged at the tail end of the tool rest (51), the second sliding block (57) is fixedly provided with a wheel frame (53), and the roller (54) is rotatably arranged at the tail end of the wheel frame (53).

7. The metal stroke rolling calibration system according to claim 6, wherein one hob (52) is arranged, two rollers (54) are arranged, and the hob (52) and the rollers (54) are distributed in a delta shape.

8. The metal stroke rolling calibration system according to claim 6, wherein the lifting rotating mechanism (6) comprises a bracket (61) fixedly connected with the frame (1), a nut sleeve (62) is rotatably arranged in the bracket (61), a screw rod (63) is rotatably arranged in the nut sleeve (62), a rotatable ejector rod (64) is connected to the upper end of the screw rod (63), and the upper end of the ejector rod (64) is fixedly connected with the bottom plate (55).

9. The metal stroke rolling calibration system according to claim 8, wherein a rotating shaft (67) for driving the nut sleeve (62) and the ejector rod (64) to rotate is rotatably arranged on one side of the frame (1), and the rotating shaft (67) is connected with the nut sleeve (62) and the ejector rod (64) through a first transmission assembly (68) and a second transmission assembly (69) respectively.

10. The metal stroke rolling calibration system according to claim 9, wherein a sleeve (65) is sleeved outside the ejector rod (64), a supporting plate (66) is fixedly connected to the outer side of the sleeve (65), and the supporting plate (66) is slidably connected with the frame (1).