Cutting device for screw tap machining

Abstract

The utility model discloses a cutting device for screw tap machining, which belongs to the field of screw tap cutting and comprises an operating platform, a cutting device, a cutting device and a cutting device. And the clamping and propelling component is used for clamping and propelling the screw tap to be machined. According to the cutting device for screw tap machining, through the arranged clamping and pushing component, a worker starts a first driving motor to enable the output end of the first driving motor to output so as to drive a top plate to move in the length direction of a connecting lead screw, and meanwhile, the top plate is driven to move in the length direction of the connecting lead screw; a worker starts a first electric air cylinder to enable the output end of the first electric air cylinder to output so as to drive a second v-shaped clamping block to move in the direction of a first v-shaped clamping block, a to-be-machined screw tap located between the first v-shaped clamping block and the second v-shaped clamping block can be clamped, and the to-be-machined screw tap can be continuously pushed.

Description

Technical Field

[0001] The utility model belongs to the field of tap cutting, and in particular relates to a cutting device for tap processing. Background Art

[0002] A tap is a tool for processing internal threads. It can be divided into spiral taps and straight-edge taps according to its shape, and into hand taps and machine taps according to its use environment. The taps need to go through processes such as turning the outer circle, quenching, outer circle grinding, squaring, groove grinding, outer grinding, thread grinding, tip scraping, and passivation to be processed into finished taps. In order to ensure the quality of the finished taps, the finished taps need to be inspected for appearance to observe whether the finished taps have unqualified appearance, so as to ensure the quality of the taps when they are discharged;

[0003] When processing the tap to be processed, it is first necessary to cut the tap to be processed so that a columnar segment of material can be divided into multiple groups of sub-columnar segment materials. In the prior art, when the staff cuts the tap to be processed, they often apply pressure to the tap to be processed through a saw blade to cut the tap into sections. However, how to ensure the stability of the tap to be cut during cutting has become an urgent problem to be solved. At the same time, how to ensure that the tap to be cut can achieve the integration of clamping, pushing, positioning, cutting and collecting of the tap to be processed has also become an urgent problem to be solved.

[0004] The present invention seeks to alleviate or at least mitigate such problems or deficiencies by providing new or otherwise improved tap cutting. Utility Model Content

[0005] In response to one or more of the above defects or improvement needs in the prior art, the utility model provides a cutting device for tap processing, which has the advantages of improved stability of the tap during cutting and integrated clamping, pushing, positioning, cutting and collecting of the tap to be processed.

[0006] To achieve the above-mentioned purpose, the utility model provides a cutting device for tap processing, which includes an operating table having a mounting plane thereon;

[0007] A clamping and pushing member for clamping and pushing the tap to be processed, which is detachably arranged on the installation plane of the operating table;

[0008] A clamping member for positioning the tap to be processed, which is detachably arranged on the clamping and pushing member;

[0009] A cutting member for cutting the tap to be processed, which is detachably arranged on the mounting plane of the operating table and is located above the tap to be processed;

[0010] A blanking plate, which is detachably arranged in the operating table and is inclined with respect to the installation plane; and

[0011] The silo is arranged at the rear end of the operating table and is used to collect the taps after cutting.

[0012] As a further improvement of the present invention, the clamping and pushing member comprises

[0013] A connecting base is detachably mounted on a mounting plane of the operating table, and a sliding rod is detachably mounted therein;

[0014] A first driving motor is detachably arranged on the connecting base, an output end of which passes through the connecting base, a connecting screw rod is detachably arranged on the output end of the first driving motor, and the connecting screw rod passes through the connecting base;

[0015] A ball bearing base, which is located in the connecting base and is passed through by the sliding rod and the connecting screw rod in sequence;

[0016] A top plate, which is detachably mounted on the ball bearing base, and on which a first V-shaped clamping block is detachably arranged;

[0017] A first side plate is detachably arranged on one side of the top plate, and a first electric cylinder is detachably arranged on the side plate, and an output end of the first electric cylinder passes through the first side plate;

[0018] A second V-shaped clamping block, which is located on the top plate and is detachably connected to the output end of the first electric cylinder;

[0019] Wherein, when the output end of the first driving motor outputs, it is used to drive the top plate to move along the length direction of the connecting screw rod;

[0020] When the output end of the first electric cylinder outputs, it is used to drive the second V-shaped clamping block to move toward the first V-shaped clamping block, so as to clamp the tap to be processed between the first V-shaped clamping block and the second V-shaped clamping block.

[0021] As a further improvement of the utility model, the clamping member comprises

[0022] A second side plate, which is detachably arranged on the connecting base;

[0023] A second electric cylinder is detachably mounted on a side surface of the second side plate, and an output end thereof passes through the second side plate;

[0024] A third V-shaped clamping block is detachably arranged on the second side plate and has a first cutting edge therein;

[0025] an embedded block detachably mounted on the output end of the second electric cylinder; and

[0026] a fourth V-shaped clamping block, which is detachably mounted on the embedded block and has a second cutting edge therein, and the second cutting edge is on the same straight line as the first cutting edge;

[0027] When the output end of the second electric cylinder outputs, it is used to push the fourth V-shaped clamping block to move toward the third V-shaped clamping block, so as to clamp and position the tap to be processed that penetrates into the fourth V-shaped clamping block and the third V-shaped clamping block.

[0028] As a further improvement of the utility model, a third side plate is detachably mounted on the second side plate, the third side plate is composed of a vertical section and a horizontal section, the horizontal section of which is located above the fourth V-shaped clamping block, and a clamping cylinder is detachably mounted on the horizontal section of the third side plate, the clamping cylinder is used for secondary clamping and positioning operations on the tap to be processed.

[0029] As a further improvement of the utility model, the cutting member comprises

[0030] A first rotating shaft seat is detachably arranged on a mounting plane of the operating table, and a supporting arm is rotatably arranged on the first rotating shaft seat;

[0031] A second driving motor is detachably arranged on the supporting arm, and a driving wheel is detachably arranged on the output end of the second driving motor, and a belt is sleeved on the driving wheel;

[0032] A rotating shaft is rotatably arranged on the supporting arm, and a driven wheel is detachably arranged on one end of the rotating shaft, and the driven wheel is passed around by the belt;

[0033] a saw blade detachably disposed on the other end of the rotating shaft; and

[0034] A second rotating shaft seat is detachably mounted inside the operating table, on which a third electric cylinder is rotatably arranged, and an output end of the third electric cylinder is detachably connected to the support arm;

[0035] Wherein, when the output end of the third electric cylinder outputs, it is used to drive the saw blade to press down;

[0036] When the output end of the second driving motor outputs, it is used to drive the saw blade to perform a cutting operation on the tap to be processed.

[0037] As a further improvement of the utility model, a shell is further provided on the outside of the second driving motor, and the shell surrounds the belt therein, and the size of the shell is adapted to the size of the belt.

[0038] As a further improvement of the utility model, a protective shell is detachably mounted on the rotating shaft, and the protective shell surrounds the saw blade therein.

[0039] As a further improvement of the utility model, a guide plate is detachably arranged on the installation plane of the operating table, and the guide plate is located above the unloading plate. A fourth electric cylinder is detachably arranged on the guide plate, and the output end of the fourth electric cylinder passes through the guide plate. A pull-back plate is detachably arranged on the output end of the fourth electric cylinder.

[0040] In general, compared with the prior art, the above technical solutions conceived by the utility model have the following beneficial effects:

[0041] The utility model discloses a cutting device for processing taps, through the arranged clamping and pushing components, a staff turns on the first driving motor so that the output end of the first driving motor outputs, so as to drive the top plate to move along the length direction of the connecting screw rod, and at the same time, the staff turns on the first electric cylinder so that the output end of the first electric cylinder outputs, so as to drive the second V-shaped clamping block to move in the direction of the first V-shaped clamping block, so as to clamp the tap to be processed between the first V-shaped clamping block and the second V-shaped clamping block, and can continuously push the tap to be processed, through the arranged clamping members, to complete the positioning operation of the tap to be processed, through the arranged cutting members, after the tap to be processed is positioned by the clamping members, the third electric cylinder is turned on, so that the output end of the third electric cylinder outputs, so as to drive the saw blade to press down, and at the same time, the output end of the second driving motor outputs, so as to drive the saw blade to cut the tap to be processed, the overall stability during cutting is improved, and the cutting efficiency and the integrated operation of pushing and cutting the finished tap are strong. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] Figure 1 This is a schematic diagram of the structure of the cutting device for tap processing of the utility model;

[0043] Figure 2 This is a schematic diagram of the structure of the cutting device for tap processing of the utility model when viewed from the bottom;

[0044] Figure 3 This is a schematic diagram of the structure of the cutting device for tap processing of the utility model viewed from another angle;

[0045] Figure 4 It is a schematic diagram of the overall structure of the clamping and pushing component of the utility model;

[0046] Figure 5 It is a schematic diagram of the overall structure of the clamping member of the utility model;

[0047] Figure 6 It is a schematic diagram of the overall structure of the cutting component of the utility model.

[0048] In all the drawings, the same reference numerals represent the same technical features, specifically: 1. operating table; 11. unloading plate; 12. material bin; 2. clamping and pushing member; 21. connecting base; 22. sliding rod; 23. first driving motor; 24. connecting screw rod; 25. ball bearing base; 26. top plate; 27. first V-shaped clamping block; 28. first side plate; 281. first electric cylinder; 29. ​​second V-shaped clamping block; 3. clamping member; 31. second side plate; 32. Second electric cylinder; 33. Third V-shaped clamping block; 34. Embedded block; 35. Fourth V-shaped clamping block; 36. Third side plate; 37. Clamping claw cylinder; 4. Cutting member; 41. First rotating shaft seat; 42. Support arm; 43. Second driving motor; 44. Rotating shaft; 45. Saw blade; 46. Protective shell; 47. Sleeve shell; 48. Second rotating shaft seat; 49. Third electric cylinder; 5. Guide plate; 51. Fourth electric cylinder; 52. Pull-back plate. DETAILED DESCRIPTION

[0049] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0050] The terms used herein are only for describing specific embodiments and are not intended to limit the present invention. The terms "include", "comprises", etc. used herein indicate the existence of the features, steps, operations and / or components, but do not exclude the existence or addition of one or more other features, steps, operations or components.

[0051] All terms (including technical and scientific terms) used herein have the meanings commonly understood by those skilled in the art, unless otherwise defined. It should be noted that the terms used herein should be interpreted as having a meaning consistent with the context of this specification, and should not be interpreted in an idealized or overly rigid manner.

[0052] In the embodiment, Figure 1-6 Provided is a cutting device for tap processing, wherein: Figure 1 This is a schematic diagram of the structure of the cutting device for tap processing of the utility model; Figure 2 This is a schematic diagram of the structure of the cutting device for tap processing of the utility model when viewed from the bottom; Figure 3 This is a schematic diagram of the structure of the cutting device for tap processing of the utility model viewed from another angle; Figure 4It is a schematic diagram of the overall structure of the clamping and pushing component of the utility model; Figure 5 It is a schematic diagram of the overall structure of the clamping member of the utility model; Figure 6 It is a schematic diagram of the overall structure of the cutting component of the utility model, which includes an operating table 1 with a mounting plane on it; a clamping and pushing component 2 for clamping and pushing the tap to be processed, which is detachably arranged on the mounting plane of the operating table 1; a clamping piece 3 for positioning the tap to be processed, which is detachably arranged on the clamping and pushing component 2; a cutting component 4 for cutting the tap to be processed, which is detachably arranged on the mounting plane of the operating table 1 and is located above the tap to be processed; a blanking plate 11, which is detachably arranged in the operating table 1 and is inclined with respect to the mounting plane; and a silo 12, which is arranged at the rear end of the operating table 1 and is used to collect the taps after cutting.

[0053] The utility model is based on an overall idea that, through the arrangement of the clamping and propulsion member 2, the staff turns on the first drive motor 23 so that the output end of the first drive motor 23 outputs, so as to drive the top plate 26 to move along the length direction of the connecting screw rod 24. At the same time, the staff turns on the first electric cylinder 281 so that the output end of the first electric cylinder 281 outputs, so as to drive the second V-shaped clamping block 29 to move toward the direction of the first V-shaped clamping block 27, so as to move the tap to be processed between the first V-shaped clamping block 27 and the second V-shaped clamping block 29. The tap to be processed can be clamped and continuously pushed forward. The clamping member 3 is arranged to complete the positioning operation of the tap to be processed. The cutting member 4 is arranged, and after the tap to be processed is positioned by the clamping member 3, the third electric cylinder 49 is turned on to make the output end of the third electric cylinder 49 output to drive the saw blade 45 to press down. At the same time, the output end of the second drive motor 43 is output to drive the saw blade 45 to cut the tap to be processed. The overall stability during cutting is improved, and the cutting efficiency and the integrated operation of pushing and cutting the finished tap are strong.

[0054] Next, the clamping and propulsion member 2 is given a more specific structure and construction as a whole for further explanation. The clamping and propulsion member 2 includes a connecting base 21, which is detachably mounted on the mounting plane of the operating table 1, and a slide bar 22 is detachably mounted therein; a first drive motor 23, which is detachably arranged on the connecting base 21, and its output end passes through the connecting base 21, and a connecting screw rod 24 is detachably arranged on its output end, and the connecting screw rod 24 penetrates into the connecting base 21; a ball base 25, which is located at the connecting base 21, and a connecting screw rod 24 is detachably arranged on the connecting base 21. The connecting base 21 is connected to the connecting base 21, and is passed through by the sliding rod 22 and the connecting screw rod 24 in sequence; the top plate 26 is detachably mounted on the ball bearing base 25, and a first V-shaped clamping block 27 is detachably arranged on it; the first side plate 28 is detachably arranged on one side of the top plate 26, and a first electric cylinder 281 is detachably arranged on it, and the output end of the first electric cylinder 281 passes through the first side plate 28; the second V-shaped clamping block 29 is located on the top plate 26, and is detachably connected to the output end of the first electric cylinder 281;

[0055] Next, the overall use principle of the clamping and pushing member 2 is further explained. After the staff turns on the switch of the first driving motor 23, the output end of the first driving motor 23 can be driven to output, so as to drive the top plate 26 to move along the length direction of the connecting screw rod 24;

[0056] In addition, after the staff drives the switch of the first electric cylinder 281 to turn on, the output end of the first electric cylinder 281 can be output to drive the second V-shaped clamping block 29 to move toward the first V-shaped clamping block 27, so as to clamp the tap to be processed between the first V-shaped clamping block 27 and the second V-shaped clamping block 29;

[0057] During the process of cutting the tap to be processed, the material pushing operation can be performed synchronously, and the tap to be processed can be pushed toward the cutting member 4 synchronously.

[0058] Next, the clamping member 3 is given a more specific structure and construction as a whole for further explanation. The clamping member 3 includes a second side plate 31, which is detachably arranged on the connecting base 21; a second electric cylinder 32, which is detachably mounted on a side surface of the second side plate 31, and its output end passes through the second side plate 31; a third V-shaped clamping block 33, which is detachably arranged on the second side plate 31 and has a first blade therein; an embedded block 34, which is detachably mounted on the output end of the second electric cylinder 32; and a fourth V-shaped clamping block 35, which is detachably mounted on the embedded block 34 and has a second blade therein, and the second blade is on the same straight line as the first blade;

[0059] Next, the overall working principle of the clamping member 3 is further explained. The staff turns on the switch of the second electric cylinder 32 so that the output end of the second electric cylinder 32 outputs, which is used to push the fourth V-shaped clamping block 35 toward the third V-shaped clamping block 33 to clamp and position the tap to be processed that is inserted into the fourth V-shaped clamping block 35 and the third V-shaped clamping block 33.

[0060] In some embodiments, in order to further improve the clamping and positioning effect of the tap to be processed and prevent the tap to be processed from shaking during the cutting process, a third side plate 36 is detachably installed on the second side plate 31, and the third side plate 36 is composed of a vertical section and a horizontal section, and the horizontal section is located above the fourth V-shaped clamping block 35. A clamping claw cylinder 37 is detachably installed on the horizontal section of the third side plate 36, and the clamping claw cylinder 37 is used for secondary clamping and positioning of the tap to be processed.

[0061] Next, the cutting member 4 is given a more specific structure and construction as a whole for further explanation. The cutting member 4 includes a first rotating shaft seat 41, which is detachably arranged on the installation plane of the operating table 1, and a support arm 42 is rotatably arranged thereon; a second driving motor 43, which is detachably arranged on the support arm 42, and a driving wheel is detachably arranged on its output end, and a belt is sleeved on the driving wheel; a rotating shaft 44, which is rotatably arranged on the support arm 42, and a driven wheel is detachably arranged on one tail end thereof, and the driven wheel is bypassed by the belt; a saw blade 45, which is detachably arranged on the other tail end of the rotating shaft 44; and a second rotating shaft seat 48, which is detachably installed inside the operating table 1, and a third electric cylinder 49 is rotatably arranged thereon, and the output end of the third electric cylinder 49 is detachably connected to the support arm 42;

[0062] Next, the overall use principle of the cutting member 4 is further explained. The staff turns on the switch of the third electric cylinder 49 so that the output end of the third electric cylinder 49 outputs to drive the saw blade 45 to press down.

[0063] At the same time, by turning on the switch of the second drive motor 43 and enabling the output end of the second drive motor 43 to output, so as to drive the saw blade 45 to cut the tap to be processed, the cutting efficiency is improved.

[0064] In some other embodiments, in order to further protect the driving wheel, the belt, and the driven wheel, a shell 47 is provided on the outside of the second driving motor 43, and the shell 47 surrounds the belt therein, and the size of the shell 47 is adapted to the size of the belt.

[0065] In some embodiments, in order to further protect the saw blade 45 when in use, a protective shell 46 is detachably provided on the rotating shaft 44 , and the protective shell 46 surrounds the saw blade 45 therein.

[0066] In some embodiments, in order to be able to perform further guiding and unloading operations on the taps to be processed after cutting, a guide plate 5 is detachably arranged on the installation plane of the operating table 1, and the guide plate 5 is located above the unloading plate 11. A fourth electric cylinder 51 is detachably arranged on the guide plate 5, and the output end of the fourth electric cylinder 51 passes through the guide plate 5. A pull-back plate 52 is detachably arranged on the output end of the fourth electric cylinder 51.

[0067] In summary, through the arranged clamping and propulsion member 2, the staff turns on the first drive motor 23 so that the output end of the first drive motor 23 outputs, so as to drive the top plate 26 to move along the length direction of the connecting screw rod 24. At the same time, the staff turns on the first electric cylinder 281 so that the output end of the first electric cylinder 281 outputs, so as to drive the second V-shaped clamping block 29 to move toward the direction of the first V-shaped clamping block 27, so as to clamp the tap to be processed between the first V-shaped clamping block 27 and the second V-shaped clamping block 29, and can maintain Continue to push the tap to be processed, through the arranged clamping part 3 to complete the positioning operation of the tap to be processed, through the arranged cutting component 4, after the tap to be processed is positioned by the clamping part 3, open the third electric cylinder 49 to make the output end of the third electric cylinder 49 output, so as to drive the saw blade 45 to press down, at the same time, make the output end of the second drive motor 43 output, so as to drive the saw blade 45 to cut the tap to be processed, the overall stability during cutting is improved, and the cutting efficiency and the integrated operation of pushing and cutting the finished tap are strong.

[0068] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cutting device for tap processing, characterized in that: It includes An operating table (1) having a mounting surface thereon; A clamping and pushing member (2) for clamping and pushing a tap to be processed, which is detachably arranged on a mounting plane of the operating table (1); A clamping member (3) for positioning a tap to be processed, which is detachably arranged on the clamping and pushing member (2); A cutting component (4) for cutting the tap to be processed, which is detachably arranged on a mounting plane of the operating table (1) and is located above the tap to be processed; A blanking plate (11) is detachably arranged in the operating table (1) and is inclined relative to the mounting plane; and A material bin (12) is arranged at the rear end of the operating table (1) and is used to collect taps after cutting.

2. The cutting device for tap machining according to claim 1, characterized in that: The clamping and advancing member (2) comprises A connecting base (21) is detachably mounted on a mounting plane of the operating table (1), and a sliding rod (22) is detachably mounted therein; A first drive motor (23) is detachably arranged on the connection base (21), an output end of which passes through the connection base (21), a connection screw rod (24) is detachably arranged on the output end, and the connection screw rod (24) passes through the connection base (21); A ball bearing base (25), which is located inside the connecting base (21) and is passed through by the sliding rod (22) and the connecting screw rod (24) in sequence; A top plate (26) is detachably mounted on the ball bearing base (25), and a first V-shaped clamping block (27) is detachably arranged on the top plate; A first side plate (28) is detachably arranged on a side surface of the top plate (26), and a first electric cylinder (281) is detachably arranged on the side plate, and an output end of the first electric cylinder (281) passes through the first side plate (28); A second V-shaped clamping block (29), which is located on the top plate (26) and is detachably connected to the output end of the first electric cylinder (281); Wherein, when the output end of the first driving motor (23) outputs, it is used to drive the top plate (26) to move along the length direction of the connecting screw rod (24); When the output end of the first electric cylinder (281) outputs, it is used to drive the second V-shaped clamping block (29) to move in the direction of the first V-shaped clamping block (27), so as to clamp the tap to be processed located between the first V-shaped clamping block (27) and the second V-shaped clamping block (29).

3. The cutting device for tap machining according to claim 2, characterized in that: The clamping member (3) comprises A second side plate (31) detachably arranged on the connecting base (21); A second electric cylinder (32) is detachably mounted on a side surface of the second side plate (31), and an output end thereof passes through the second side plate (31); A third V-shaped clamping block (33) is detachably arranged on the second side plate (31) and has a first cutting edge therein; an embedded block (34) which is detachably mounted on the output end of the second electric cylinder (32); and a fourth V-shaped clamping block (35) which is detachably mounted on the embedded block (34) and has a second cutting edge therein, and the second cutting edge is on the same straight line as the first cutting edge; When the output end of the second electric cylinder (32) outputs, it is used to push the fourth V-shaped clamping block (35) to move toward the third V-shaped clamping block (33), so as to clamp and position the tap to be processed that is inserted into the fourth V-shaped clamping block (35) and the third V-shaped clamping block (33).

4. The cutting device for tap machining according to claim 3, characterized in that: A third side plate (36) is detachably mounted on the second side plate (31). The third side plate (36) is composed of a vertical section and a horizontal section, wherein the horizontal section is located above the fourth V-shaped clamping block (35). A clamping claw cylinder (37) is detachably mounted on the horizontal section of the third side plate (36). The clamping claw cylinder (37) is used for performing a secondary clamping and positioning operation on the tap to be processed.

5. The cutting device for tap machining according to claim 4, characterized in that: The cutting member (4) comprises A first rotating shaft seat (41) is detachably arranged on a mounting plane of the operating table (1), and a supporting arm (42) is rotatably arranged on the first rotating shaft seat; A second driving motor (43) is detachably arranged on the support arm (42), and a driving wheel is detachably arranged on the output end of the second driving motor (43), and a belt is sleeved on the driving wheel; A rotating shaft (44) is rotatably arranged on the support arm (42), and a driven wheel is detachably arranged on one end of the rotating shaft, and the driven wheel is passed around by the belt; a saw blade (45) detachably disposed on the other rear end of the rotating shaft (44); and a second rotating shaft seat (48) which is detachably mounted inside the operating table (1), on which a third electric cylinder (49) is rotatably arranged, and an output end of the third electric cylinder (49) is detachably connected to the support arm (42); When the output end of the third electric cylinder (49) outputs, it is used to drive the saw blade (45) to press downward; When the output end of the second driving motor (43) is output, it is used to drive the saw blade (45) to perform a cutting operation on the tap to be processed.

6. The cutting device for tap machining according to claim 5, characterized in that: A casing (47) is also sleeved on the outside of the second drive motor (43), and the casing (47) surrounds the belt therein, and the size of the casing (47) is adapted to the size of the belt.

7. The cutting device for tap machining according to claim 6, characterized in that: A protective shell (46) is detachably mounted on the rotating shaft (44), and the protective shell (46) surrounds the saw blade (45) therein.

8. The cutting device for tap machining according to claim 7, characterized in that: A guide plate (5) is detachably arranged on the installation plane of the operating table (1), the guide plate (5) being located above the blanking plate (11), a fourth electric cylinder (51) is detachably arranged on the guide plate (5), and the output end of the fourth electric cylinder (51) passes through the guide plate (5), and a pull-back plate (52) is detachably arranged on the output end of the fourth electric cylinder (51).

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