A metal tailstock device with reinforcement function

Abstract

The present invention relates to the technical field of lathe processing devices, and in particular to a metal tailstock device with a reinforcement function. The present invention provides a metal tailstock device with a reinforcement function with various fixing methods. A metal tailstock device with a reinforcement function includes a metal bottom frame, a metal tailstock, a limiting frame, a first latch and a first compression spring, etc.; a metal tailstock is placed on the front side of the bottom of the metal bottom frame, the front side of the bottom of the metal bottom frame is connected to the limiting frame, the front side of the bottom of the metal bottom frame is symmetrically and slidingly connected to the first latch, the first latch is used to clamp the metal tailstock, and a first compression spring is connected between the outer side of the first latch and the metal bottom frame. The present invention achieves a fixing effect by moving the metal tailstock downward away from the first latch, so that the first latch clamps the metal tailstock, and then the sliding frame moves forward to drive the extrusion shaft to move forward, and then the extrusion shaft clamps the metal tailstock, thereby achieving a variety of fixing methods.

Description

Technical Field

[0001] The present invention relates to the technical field of lathe processing devices, in particular to a metal tailstock device with a reinforcement function. Background Art

[0002] The metal tailstock plays an auxiliary supporting role when processing the workpiece. People usually place the metal tailstock on the machine tool and then place the workpiece on the metal tailstock for processing. However, during processing, the existing metal base lacks reinforcement function, which makes the metal base easy to shake during use, which easily reduces people's work efficiency. In order to better process the workpiece, people usually place the metal tailstock on a device with a fixing function. However, the existing equipment fixing method is relatively single, and it is difficult to better fix the metal tailstock. Therefore, it is necessary to design a metal tailstock device.

[0003] We have designed a metal tailstock device with a variety of fixing methods and reinforcement function, so as to overcome the effect of the existing metal tailstock device having a single fixing method and being difficult to meet people's usage needs. Summary of the Invention

[0004] In view of the shortcomings of the prior art, the present invention provides a metal tailstock device with a variety of fixing methods and a reinforcement function, so as to overcome the disadvantage of the single fixing method of the existing metal tailstock device.

[0005] To achieve the above objectives, the present invention is implemented through the following scheme: A metal tailstock device with a reinforcement function, characterized in that it includes:

[0006] Metal base frame and metal tailstock, with a metal tailstock placed on the front bottom of the metal base frame;

[0007] A limiting frame is connected to the front side of the bottom of the metal bottom frame;

[0008] A first bayonet is symmetrically and slidingly connected to the inner front side of the bottom of the metal bottom frame, and the first bayonet is used to clamp the metal tailstock;

[0009] The first clamping slot is provided on both the front and rear parts of the metal tailstock, and the first clamping slot is located at the lower part of the metal tailstock;

[0010] A first compression spring is connected between the outer side of the first bayonet and the metal bottom frame;

[0011] Bottom-to-top reinforcement mechanism: A bottom-to-top reinforcement mechanism is provided on the rear side of the bottom of the metal bottom frame, and is used to reinforce the metal tailstock;

[0012] A limiting and stabilizing mechanism is provided on the bottom-to-top reinforcement mechanism, and the limiting and stabilizing mechanism is used to clamp the bottom-to-top reinforcement mechanism.

[0013] As an improvement to the above solution, the limiting frame is arc-shaped.

[0014] As an improvement to the above solution, the bottom-to-top reinforcement mechanism includes:

[0015] A first fixing rod is connected to the rear side of the bottom of the metal bottom frame;

[0016] A pushing frame is rotatably connected between the first fixing rods;

[0017] The driving shaft is slidably connected to the left and right sides of the push frame;

[0018] Slide rail: a slide rail is connected to the rear side of the bottom of the metal bottom frame;

[0019] The sliding frame is slidably connected between the slide rails, and the driving shaft is slidably connected to the sliding frame;

[0020] Extrusion shaft, the sliding frame is slidably connected with the extrusion shaft, the extrusion shaft moves to reinforce the metal tailstock, and the extrusion shaft passes through the sliding frame;

[0021] A second compression spring is connected between the sliding frame and the extrusion shaft, and the second compression spring is wound around the rear side of the extrusion shaft.

[0022] As an improvement to the above solution, the limiting and stabilizing mechanism includes:

[0023] A second bayonet pin is slidably connected to each of the slide rails;

[0024] a third compression spring, wherein the third compression spring is connected between the slide rail and the second bayonet pin sliding therein, and the third compression spring is wound around the second bayonet pin;

[0025] The trimming block is connected to the lower side of the sliding frame. The trimming block on the left is slidably connected to the left slide rail, and the trimming block on the right is slidably connected to the right slide rail. Second slots are opened on both sides of the sliding frame.

[0026] As an improvement to the above solution, a side pressing mechanism for pressing the metal tailstock is also included, and the side pressing mechanism includes:

[0027] The limit frame and the sliding frame are connected to the limit frame on both sides, and the limit frame is provided with a slide groove;

[0028] A second fixing rod is connected to the front side of the bottom of the metal bottom frame;

[0029] The slider is slidably connected to the upper side of the second fixed rod, the slider on the left is slidably connected to the left sliding groove, and the slider on the right is slidably connected to the right sliding groove;

[0030] The first lower pressing frame and the inner side of the sliding block are both slidably connected with the first lower pressing frame.

[0031] As an improvement to the above solution, an inner side clamping mechanism for fixing the inner side of the metal tailstock is also included, and the inner side clamping mechanism includes:

[0032] A second lower pressing frame is connected to the outer side of the slider, the second lower pressing frame is slidably connected to the bottom of the metal bottom frame, and the second lower pressing frame passes through the bottom of the metal bottom frame;

[0033] A third fixing rod is connected to the front side of the bottom of the metal bottom frame;

[0034] An inner clamp is slidably connected to the third fixing rod;

[0035] A fourth compression spring is connected between the third fixing rod and the inner clamp sliding therein. The fourth compression spring is wound around the inner clamp. A third clamping groove is opened on the lower side of the metal tailstock.

[0036] As an improvement to the above solution, a centering and stabilizing mechanism for clamping the metal tailstock is also included, and the centering and stabilizing mechanism includes:

[0037] A fixed base is connected to the front side of the top of the metal bottom frame;

[0038] A limit rod, a limit rod slidably connected to the fixed base;

[0039] The third bayonet is slidably connected to the top of the fixed base, and a fourth bayonet is opened on the upper side of the front of the metal tailstock.

[0040] As an improvement to the above solution, a pressure distance adjustment mechanism for adjusting the position of the first lower pressure frame is further included, and the pressure distance adjustment mechanism includes:

[0041] The fixed shaft and the slider are each provided with three fifth slots, and the front side of the first lower pressing frame is connected with a fixed shaft;

[0042] The clamping block is slidably connected to the fixed shaft, the clamping block on the left is slidably connected to the first lower pressing frame on the left, and the clamping block on the right is slidably connected to the first lower pressing frame on the right;

[0043] A fifth compression spring is connected between the first lower pressure frame and the clamping block. The clamping block slides on the first lower pressure frame, and the fifth compression spring is wound around the fixed shaft.

[0044] The advantages of the present invention are as follows: 1. The present invention achieves a fixing effect by moving the metal tailstock downward away from the first bayonet, so that the first bayonet clamps the metal tailstock, and then the sliding frame moves forward to drive the extrusion shaft to move forward, and then the extrusion shaft clamps the metal tailstock, thereby achieving a variety of fixing methods;

[0045] 2. The slider moves downward, driving the second lower pressing frame to move downward. When the raised portion of the second lower pressing frame contacts the inner clamp, the second lower pressing frame drives the inner clamp to move outward until it contacts the third clamping groove, thereby clamping the inner side and enhancing the reinforcement effect.

[0046] 3. People manually move the block upwards, and then manually move the first lower pressing frame. When the first lower pressing frame moves to a suitable position, people release the block, so that the block moves downwards and clamps the first lower pressing frame, thereby achieving the adjustment effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0047] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention.

[0048] Figure 2 This is a schematic diagram of a first stereoscopic structure of part of the present invention.

[0049] Figure 3 This is a schematic diagram of a second stereoscopic structure of part of the present invention.

[0050] Figure 4 It is a schematic diagram of the three-dimensional structure of the bottom-to-top reinforcement mechanism of the present invention.

[0051] Figure 5 This is a schematic diagram of the first three-dimensional structure of the limiting and stabilizing mechanism of the present invention.

[0052] Figure 6 This is a schematic diagram of the second three-dimensional structure of the limiting and stabilizing mechanism of the present invention.

[0053] Figure 7 This is a schematic diagram of the third three-dimensional structure of the limiting and stabilizing mechanism of the present invention.

[0054] Figure 8 It is a schematic diagram of the three-dimensional structure of the side pressure mechanism of the present invention.

[0055] Figure 9 It is a schematic diagram of the first three-dimensional structure of the inner side pressing mechanism of the present invention.

[0056] Figure 10 It is a schematic diagram of the second three-dimensional structure of the inner side pressing mechanism of the present invention.

[0057] Figure 11 This is a schematic diagram of the third three-dimensional structure of the inner side pressing mechanism of the present invention.

[0058] Figure 12 It is a schematic diagram of the three-dimensional structure of the centering and stabilizing mechanism of the present invention.

[0059] Figure 13 It is a schematic diagram of the three-dimensional structure of the pressure distance adjustment mechanism of the present invention.

[0060] Figure 14 This is an enlarged three-dimensional structural diagram of point A of the present invention.

[0061] In the accompanying drawings: 1-metal bottom frame, 2-metal tailstock, 3-limiting frame, 4-first latch, 41-first slot, 5-first compression spring, 6-bottom top reinforcement mechanism, 61-first fixing rod, 62-pushing frame, 63-driving shaft, 64-sliding frame, 65-slide rail, 66-extrusion shaft, 67-second compression spring, 7-limiting and stabilizing mechanism, 71-second latch, 72-third compression spring, 73-trimming block, 74-second slot, 8-side pressure mechanism, 81-limiting frame, 8 2-slide groove, 83-first lower pressure frame, 84-second fixed rod, 85-slider, 9-inner clamping mechanism, 91-second lower pressure frame, 92-inner clamping device, 93-third fixed rod, 94-fourth compression spring, 95-third slot, 10-centering and stabilizing mechanism, 101-fixed base, 102-third latch, 103-limiting rod, 104-fourth slot, 11-pressure distance adjustment mechanism, 111-block, 112-fixed shaft, 113-fifth compression spring, 114-fifth slot. DETAILED DESCRIPTION

[0062] The present invention will be further described below with reference to the accompanying drawings and specific embodiments:

[0063] Example 1

[0064] A metal tailstock device with reinforcement function, now reference Figure 1 、 Figure 2 、 Figure 3 and Figure 11, including a metal bottom frame 1, a metal tailstock 2, a limiting frame 3, a first bayonet 4, a first compression spring 5, a bottom to top reinforcement mechanism 6 and a limiting and stabilizing mechanism 7. The metal tailstock 2 is placed on the front side of the bottom of the metal bottom frame 1. The front side of the bottom of the metal bottom frame 1 is connected to the limiting frame 3. The metal tailstock 2 contacts the limiting frame 3. The limiting frame 3 is arc-shaped. The first bayonet 4 is symmetrically and slidingly connected to the front side of the bottom of the metal bottom frame 1. The front and back parts of the metal tailstock 2 are both provided with first card slots 41. The first card slot 41 is located at the lower part of the metal tailstock 2. The first bayonet 4 on the front side is engaged with the first card slot 41 on the front side, and the first bayonet 4 on the rear side is engaged with the first card slot 41 on the rear side. The outside of the two first bayonet pins 4 are connected to the metal bottom frame 1. A bottom to top reinforcement mechanism 6 is provided on the rear side of the bottom of the metal bottom frame 1, and a limiting and stabilizing mechanism 7 is provided on the bottom to top reinforcement mechanism 6.

[0065] Reference Figure 1 、 Figure 2 and Figure 4 The bottom-to-top reinforcement mechanism 6 includes a first fixed rod 61, a pushing frame 62, a driving shaft 63, a sliding frame 64, a sliding rail 65, an extrusion shaft 66 and a second compression spring 67. Two first fixed rods 61 are welded on the rear side of the bottom of the metal bottom frame 1. The pushing frame 62 is rotatably connected between the two first fixed rods 61. The driving shaft 63 is slidably connected to the left and right sides of the pushing frame 62. Two slide rails 65 are connected to the rear side of the bottom of the metal bottom frame 1. The sliding frame 64 is slidably connected between the two slide rails 65. The driving shaft 63 is slidably connected to the sliding frame 64. The extrusion shaft 66 is slidably connected to the sliding frame 64. The extrusion shaft 66 passes through the sliding frame 64. After the extrusion shaft 66 moves, it contacts the metal tailstock 2. The extrusion shaft 66 is made of rubber. A second compression spring 67 is connected between the sliding frame 64 and the extrusion shaft 66. The second compression spring 67 is wound around the rear side of the extrusion shaft 66.

[0066] Reference Figure 2 、 Figure 5 、 Figure 6 and Figure 7 The limiting and stabilizing mechanism 7 includes a second latch 71, a third compression spring 72 and a trimming block 73. The two slide rails 65 are slidably connected with the second latch 71. The third compression spring 72 is connected between the second latch 71 on the left and the slide rail 65 on the left, and the third compression spring 72 is connected between the second latch 71 on the right and the slide rail 65 on the right. The third compression spring 72 is wound around the second latch 71. Two trimming blocks 73 are welded on the lower side of the sliding frame 64. The trimming block 73 on the left is slidably connected to the slide rail 65 on the left, and the trimming block 73 on the right is slidably connected to the slide rail 65 on the right. After the trimming block 73 on the left moves, it contacts the second latch 71 on the left. After the trimming block 73 on the right moves, it contacts the second latch 71 on the right. Second slots 74 are opened on both sides of the left and right sides of the sliding frame 64.

[0067] When people need to use the metal tailstock 2, people can use this metal tailstock device with reinforcement function. First, people fix the metal bottom frame 1 in a suitable position with bolts. Then people can slide the metal tailstock 2 downward along the rear of the limiting frame 3 into the metal bottom frame 1. When the metal tailstock 2 moves downward until it contacts the first bayonet 4, the first bayonet 4 adaptively moves outward, so that the first compression spring 5 is compressed. When the first slot 41 contacts the first bayonet 4, the first compression spring 5 resets and drives the first bayonet 4 to move inward into the first slot 41, thereby achieving a fixing effect. Then people can insert the metal into the metal tailstock 2. Then people can rotate the push frame 62 clockwise, so that the driving shaft 63 moves upward, so that the sliding frame 64 and the extrusion shaft 66 move forward, and then the trimming block 73 moves forward. When the extrusion shaft 66 contacts the metal tailstock 2, the sliding frame 64 continues to move forward, so that the second compression spring 67 is stretched, thereby achieving a reinforcement effect and preventing the metal tailstock 2 from moving easily. When the trimming block 73 moves forward and contacts the second bayonet 71, the trimming block 73 drives the second bayonet 71 to move outward, thereby stretching the third compression spring 72. When the second bayonet 71 contacts the second slot 74, the third compression spring 7 2 reset drives the second bayonet pin 71 to move inwardly into the second slot 74, so that the sliding frame 64 is stuck, and then people work on the metal. When people finish their work, they can take out the remaining metal from the metal tailstock 2, and then people manually move the second bayonet pin 71 outwardly, so that the third compression spring 72 is stretched. When the second bayonet pin 71 moves outwardly away from the second slot 74, people rotate the pushing frame 62 counterclockwise, so that the driving shaft 63 moves downward, so that the sliding frame 64 and the trimming block 73 move backward, and then the extrusion shaft 66 moves backward. When the extrusion shaft 66 moves backward away from the metal tailstock 2, the second The compression spring 67 resets and drives the extrusion shaft 66 to reset. When the sliding frame 64 moves backward to the appropriate position, people release the second pin 71, so that the third compression spring 72 resets and drives the second pin 71 to move inward. Then people manually move the metal tail stock 2 upward. When the first pin 4 contacts the metal tail stock 2, the first pin 4 adaptively moves outward, causing the first compression spring 5 to be compressed. When the metal tail stock 2 continues to move upward away from the first pin 4, the first compression spring 5 resets and drives the first pin 4 to move inward. Then people clean the metal tail stock 2. After cleaning, people can collect the metal tail stock 2.

[0068] Example 2

[0069] Based on Example 1, Figure 1 、 Figure 2 and Figure 8, also includes a side pressing mechanism 8, the side pressing mechanism 8 includes a limiting frame 81, a first lower pressing frame 83, a second fixed rod 84 and a slider 85. The left and right sides of the sliding frame 64 are fixedly connected to the limiting frame 81 by bolts, and the two limiting frames 81 are each provided with a slide groove 82. The front side of the bottom inner bottom of the metal bottom frame 1 is connected to two second fixed rods 84, and the upper sides of the two second fixed rods 84 are both slidably connected to the slider 85. The left slider 85 is slidably connected to the left slide groove 82, and the right slider 85 is slidably connected to the right slide groove 82. The inner sides of the two sliders 85 are both slidably connected to the first lower pressing frame 83. After the first lower pressing frame 83 moves, it contacts the metal tailstock 2.

[0070] Reference Figure 1 、 Figure 2 、 Figure 9 and Figure 10 , also includes an inner pressing mechanism 9, the inner pressing mechanism 9 includes a second lower pressing frame 91, an inner clamping device 92, a third fixing rod 93 and a fourth compression spring 94, the outer sides of the two sliders 85 are welded with a second lower pressing frame 91, the second lower pressing frame 91 is slidably connected to the bottom of the metal bottom frame 1, the second lower pressing frame 91 passes through the bottom of the metal bottom frame 1, and the front side of the bottom of the metal bottom frame 1 is connected to two third fixing rods 93, and the two third fixing rods 93 are slidably connected to the inner clamping device 92. After the second lower pressing frame 91 on the left moves, it contacts the inner clamping device 92 on the left. After the second lower pressure frame 91 on the right side moves, it contacts the inner clamp 92 on the right side. A fourth compression spring 94 is connected between the inner clamp 92 on the left side and the third fixed rod 93 on the left side. A fourth compression spring 94 is connected between the inner clamp 92 on the right side and the third fixed rod 93 on the right side. The fourth compression spring 94 is wound around the inner clamp 92. Two third clamping grooves 95 are opened on the lower side of the metal tailstock 2. After the inner clamp 92 on the left side moves, it is clamped with the third clamping groove 95 on the left side. After the inner clamp 92 on the right side moves, it is clamped with the third clamping groove 95 on the right side.

[0071] Reference Figure 1 、 Figure 2 、 Figure 11 and Figure 12 , also includes a centering and stabilizing positioning mechanism 10, the centering and stabilizing positioning mechanism 10 includes a fixed base 101, a third pin 102 and a limit rod 103, the fixed base 101 is welded to the front side of the top of the metal bottom frame 1, the limit rod 103 is slidably connected to the fixed base 101, the third pin 102 is slidably connected to the top of the fixed base 101, the third pin 102 is in contact with the limit rod 103, and a fourth slot 104 is opened on the upper front side of the metal tailstock 2, and the limit rod 103 is engaged with the fourth slot 104.

[0072] Reference Figure 1 、 Figure 2 、 Figure 13 and Figure 14 , also includes a pressure distance adjustment mechanism 11, the pressure distance adjustment mechanism 11 includes a block 111, a fixed shaft 112 and a fifth compression spring 113, three fifth slots 114 are opened on the two sliders 85, the front sides of the two first lower pressure frames 83 are welded with fixed shafts 112, and the two fixed shafts 112 are slidably connected with blocks 111, the left block 111 is slidably connected to the first lower pressure frame 83 on the left, and the right block 111 is slidably connected to the first lower pressure frame 83 on the right, the left block 111 is engaged with the fifth slot 114 on the left, and the right block 111 is engaged with the fifth slot 114 on the right, a fifth compression spring 113 is connected between the left block 111 and the first lower pressure frame 83 on the left, and a fifth compression spring 113 is connected between the right block 111 and the first lower pressure frame 83 on the right, and the fifth compression spring 113 is wound around the fixed shaft 112.

[0073] First, people can adaptively move the first lower pressure frame 83, and then the sliding frame 64 moves forward to drive the limiting frame 81 to move forward, so that the slider 85 moves downward along the inclined surface of the slide groove 82, thereby making the first lower pressure frame 83 move downward until it contacts the metal tailstock 2, thereby achieving a clamping effect, and the sliding frame 64 moves backward to drive the limiting frame 81 to move backward, so that the slider 85 moves upward along the inclined surface of the slide groove 82, thereby making the first lower pressure frame 83 move upward away from the metal tailstock 2.

[0074] The slider 85 moves downward, driving the second lower pressure frame 91 to move downward. When the raised portion of the second lower pressure frame 91 contacts the inner clamp 92, the second lower pressure frame 91 drives the inner clamp 92 to move outward, thereby compressing the fourth compression spring 94. Subsequently, the inner clamp 92 moves outward and contacts the third clamping groove 95, thereby achieving a clamping effect and strengthening the fixing effect. The slider 85 moves upward, driving the second lower pressure frame 91 to move upward. When the raised portion of the second lower pressure frame 91 is away from the inner clamp 92, the fourth compression spring 94 resets, driving the inner clamp 92 to move inward away from the third clamping groove 95.

[0075] When people need to place the metal tailstock 2, people can place the fourth latching slot 104 forward. When people have placed the metal tailstock 2, people manually move the third latch 102 upward. When the third latch 102 moves upward and away from the limit rod 103, people manually move the limit rod 103 backward. When the limit rod 103 contacts the fourth latching slot 104, people manually move the third latch 102 downward. When the third latch 102 locks the limit rod 103, people release the third latch 102, thereby achieving a stable effect. When people need to take out the metal tailstock 2, people can manually move the third latch 102 upward. When the third latch 102 moves upward and away from the limit rod 103, people manually move the limit rod 103 forward. When the limit rod 103 moves forward and away from the fourth latching slot 104, people can manually move the third latch 102 downward to lock the limit rod 103, and then people can take out the metal tailstock 2.

[0076] When people need to adjust the position of the first lower pressure frame 83, people can manually move the block 111 upward to stretch the fifth compression spring 113. When the block 111 moves upward away from the fifth slot 114, people can manually move the first lower pressure frame 83. When the first lower pressure frame 83 moves to a suitable position, people can release the block 111, so that the fifth compression spring 113 resets and drives the block 111 to move downward into the fifth slot 114, thereby achieving the adjustment effect.

[0077] Those skilled in the art can make various other corresponding changes and deformations based on the technical solutions and concepts described above, and all of these changes and deformations should fall within the scope of protection of the claims of the present invention.

Claims

1. A metal tailstock device with reinforcement function, characterized in that: Includes: A metal bottom frame (1) and a metal tailstock (2), wherein the metal tailstock (2) is placed on the front side of the bottom inner portion of the metal bottom frame (1); A limiting frame (3) is connected to the limiting frame (3) at the front side of the bottom of the metal bottom frame (1); a first latch (4) is symmetrically and slidably connected to the front side of the bottom of the metal bottom frame (1), and the first latch (4) is used to clamp the metal tailstock (2); A first clamping slot (41), the front and rear parts of the metal tailstock (2) are both provided with a first clamping slot (41), and the first clamping slot (41) is located at the lower part of the metal tailstock (2); A first compression spring (5), wherein the first compression spring (5) is connected between the outer side of the first bayonet (4) and the metal bottom frame (1); A bottom-to-top reinforcement mechanism (6) is provided on the rear side of the bottom of the metal bottom frame (1), and the bottom-to-top reinforcement mechanism (6) is used to reinforce the metal tailstock (2); A position limiting and stabilizing mechanism (7) is provided on the bottom-to-top reinforcement mechanism (6), and the position limiting and stabilizing mechanism (7) is used to clamp the bottom-to-top reinforcement mechanism (6); The bottom-to-top reinforcement mechanism (6) comprises: A first fixing rod (61), the rear side of the inner bottom of the metal bottom frame (1) is connected to the first fixing rod (61); A pushing frame (62) is rotatably connected between the first fixing rod (61); A driving shaft (63) is slidably connected to the left and right sides of the pushing frame (62); A slide rail (65) is connected to the rear side of the bottom of the metal bottom frame (1); The sliding frame (64) and the slide rail (65) are slidably connected to each other, and the driving shaft (63) is slidably connected to the sliding frame (64); An extrusion shaft (66) is slidably connected to the sliding frame (64), and the extrusion shaft (66) moves to reinforce the metal tailstock (2), and the extrusion shaft (66) passes through the sliding frame (64); A second compression spring (67) is connected between the sliding frame (64) and the extrusion shaft (66), and the second compression spring (67) is wound around the rear side of the extrusion shaft (66); the position limiting and stabilizing mechanism (7) includes: A second bayonet (71), the slide rail (65) is slidably connected to the second bayonet (71); A third compression spring (72) is connected between the slide rail (65) and the second bayonet (71) sliding therein, and the third compression spring (72) is wound around the second bayonet (71); A trimming block (73) is connected to the lower side of the sliding frame (64), the trimming block (73) on the left side is slidably connected to the left slide rail (65), and the trimming block (73) on the right side is slidably connected to the right slide rail (65), and a second slot (74) is provided on both the left and right sides of the sliding frame (64); The invention also includes a side pressing mechanism (8) for pressing the metal tailstock (2), and the side pressing mechanism (8) includes: The limiting frame (81) is connected to the limiting frame (81) on both sides of the sliding frame (64), and the limiting frame (81) is provided with a sliding groove (82); A second fixing rod (84), the front side of the inner bottom of the metal bottom frame (1) is connected to the second fixing rod (84); The slider (85) and the upper side of the second fixed rod (84) are both slidably connected with the slider (85), the left slider (85) is slidably connected to the left chute (82), and the right slider (85) is slidably connected to the right chute (82); The first lower pressing frame (83) and the inner side of the slider (85) are both slidably connected to the first lower pressing frame (83).

2. The metal tailstock device with reinforcement function according to claim 1, characterized in that: The limiting frame (3) is arc-shaped.

3. The metal tailstock device with reinforcement function as claimed in claim 2, characterized in that: It also includes an inner side pressing mechanism (9) for fixing the inner side of the metal tailstock (2), and the inner side pressing mechanism (9) includes: The second lower pressing frame (91) is connected to the outer side of the slider (85), and the second lower pressing frame (91) is connected to the bottom of the metal bottom frame (1) in a sliding manner. The second lower pressing frame (91) passes through the bottom of the metal bottom frame (1); A third fixing rod (93), the front side of the bottom of the metal bottom frame (1) is connected to the third fixing rod (93); an inner clamp (92), the inner clamp (92) is slidably connected to the third fixing rod (93); A fourth compression spring (94) is connected between the third fixing rod (93) and the inner clamp (92) sliding therein. The fourth compression spring (94) is wound around the inner clamp (92). A third clamping groove (95) is opened on the lower side of the metal tailstock (2).

4. The metal tailstock device with reinforcement function as claimed in claim 3, characterized in that: The invention also includes a centering and stabilizing mechanism (10) for clamping the metal tailstock (2), and the centering and stabilizing mechanism (10) includes: A fixed base (101), the top front side of the metal bottom frame (1) is connected to the fixed base (101); A limiting rod (103) is slidably connected to the fixed base (101); a third latch (102) is slidably connected to the top of the fixed base (101); and a fourth latch groove (104) is opened on the upper side of the front of the metal tailstock (2).

5. The metal tailstock device with reinforcement function as claimed in claim 4, characterized in that: It also includes a pressure distance adjustment mechanism (11) for adjusting the position of the first lower pressure frame (83), and the pressure distance adjustment mechanism (11) includes: The fixed shaft (112) and the slider (85) are each provided with three fifth slots (114), and the front side of the first lower pressing frame (83) is connected to the fixed shaft (112); The clamping block (111) and the fixed shaft (112) are both slidably connected with the clamping block (111), the clamping block (111) on the left side is slidably connected to the first lower pressing frame (83) on the left side, and the clamping block (111) on the right side is slidably connected to the first lower pressing frame (83) on the right side; A fifth compression spring (113) is connected between the first lower pressing frame (83) and the clamping block (111). The clamping block (111) slides on the first lower pressing frame (83). The fifth compression spring (113) is wound around the fixed shaft (112).

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