Positioning tool for saw cutting of pressing shell

Abstract

The invention relates to the technical field of press shell machining, in particular to a positioning tool for press shell sawing, which comprises a base mounted on a sawing machine, the base is provided with a moving seat and an adjusting assembly for driving the moving seat, the moving seat is connected with a plurality of fixing seats, and the fixing seats are arranged on the base. The fixed seat is provided with a mounting seat used for stabilizing the pressing shell and a locking assembly used for locking the mounting seat, and the movable seat is provided with a limiting assembly used for stabilizing the pressing shell. The positioning tool has the effect of improving the applicability of the positioning tool.

Description

Technical Field

[0001] The present application relates to the technical field of compression shell processing, and in particular to a positioning tool for compression shell sawing. Background Art

[0002] The compression shell is a common workpiece in industrial production. It is made by proportioning, smelting, refining, and slag removal of alloy raw materials, casting the molten metal raw materials into a mold, and performing trimming, heat treatment, mechanical property and metallographic inspection on the cast workpiece.

[0003] When the compression shell 01 is cast, there is often excess material 011, refer to Figure 1 The remaining material 011 is integrally formed on one side of the compression shell 01. The remaining material 011 of the compression shell 01 is usually cut by a sawing machine 1, and the compression shell 01 has a special shape. In order to ensure the stability and processing efficiency of the compression shell 01 during processing, a positioning tool needs to be set on the sawing machine 1.

[0004] Due to the special shape of the compression shell, a seat matching its shape needs to be set on the tooling to limit the freedom of the compression shell. In the prior art, the seat is fixedly connected to the tooling to pursue the stability of the overall tooling. Such a setting results in the prior art tooling being only suitable for the processing of compression shells of one size, reducing the applicability of the positioning tooling.

[0005] Application Contents In order to improve the applicability of the positioning tool, the present application provides a positioning tool for compression shell sawing.

[0006] The present application provides a positioning tool for shell sawing, which adopts the following technical solution: A positioning tool for sawing a compression shell, comprising a base installed on a sawing machine, wherein the base is provided with a movable seat and an adjusting component for driving the movable seat, wherein the movable seat is connected to a plurality of fixed seats, wherein the fixed seat is provided with a mounting seat for stabilizing the compression shell and a locking component for locking the mounting seat, and wherein the movable seat is provided with a limiting component for stabilizing the compression shell.

[0007] By adopting the above technical solution, when clamping the compression shell, the compression shell is embedded in the mounting seat, the mounting seat is slidably matched on the fixed seat, and the mounting seat is locked by the locking assembly, the compression shell is limited by the limiting assembly, and finally the position of the movable seat is adjusted by the adjusting assembly, so that the saw belt on the sawing machine is aligned with the sawing part of the compression shell, thereby realizing the installation of the compression shell. By sliding the mounting seat on the fixed seat, when replacing compression shells of different models and sizes, only the mounting seat needs to be replaced, and finally the mounting seat is limited by the locking assembly, so that the positioning tool is applicable to the installation of compression shells of multiple models and sizes, thereby improving the applicability of the positioning tool.

[0008] Optionally, a stopper is connected to the movable seat, the top of the fixed seat is tilted, the thickness of the fixed seat gradually decreases from one side of the fixed seat to the stopper as a reference direction, a sliding bar is connected to the top of the fixed seat, the sliding bar is a T-shaped bar, and the mounting seat is slidably fitted on the sliding bar and fits the stopper.

[0009] By adopting the above technical solution, the top of the fixing seat is tilted and cooperates with the stop block to limit the position of the mounting seat. Compared with the horizontal setting of the top of the fixing seat, the locking stability of the mounting seat is further improved.

[0010] Optionally, the locking assembly includes a connecting column, a clamping arc rod, a rotating block, a locking bolt and a stabilizing block, one end of the connecting column is connected to the mounting seat, the connecting column passes through the block, one end of the clamping arc rod is rotatably connected to the block, the clamping arc rod fits the surface of the connecting column, the rotating block is rotatably connected to the other end of the clamping arc rod, a connecting plate is connected to the rotating block, the locking bolt is rotatably connected to the rotating block, a locking bolt is threadedly fitted with a clamping block, the clamping block fits the connecting plate, a clamping inclined surface is provided on the side wall of the clamping block away from the locking bolt, and the stabilizing block is connected to the block, and the stabilizing block fits the clamping inclined surface.

[0011] By adopting the above technical solution, when locking the mounting seat, the mounting seat is fitted with the block, one end of the connecting column passes through the block, the clamping arc rod is flipped so that the clamping arc rod fits the surface of the connecting column, the rotating block is flipped, and the locking bolt is rotated to move the clamping block until the clamping inclined surface fits the stabilizing block, thereby limiting the freedom of the clamping arc rod and the freedom of the connecting column, thereby achieving the effect of locking the mounting seat.

[0012] Optionally, the adjustment assembly includes an adjustment screw, a connecting block and a limiting rail, wherein the limiting rail is connected to several strips on the base, the limiting rail is a T-shaped rail, the connecting block is connected to the movable seat, the adjustment screw is rotatably connected to the base and is parallel to the limiting rail, the adjustment screw passes through the connecting block and is threadedly engaged with the connecting block.

[0013] By adopting the above technical solution, when adjusting the position of the compression shell, the adjusting screw is rotated, and the connecting block is moved through the restriction of the limiting rail, driving the moving seat to move until the sawing part of the compression shell is aligned with the saw belt of the sawing machine, thereby achieving the effect of adjusting the position of the compression shell.

[0014] Optionally, two clamping seats are provided on the sawing machine, the base is detachably connected to the sawing machine and is located between the two clamping seats, side positioning blocks are connected to both sides of the base, the side positioning blocks are in contact with the surface of the clamping seats, and the clamping seat is provided with a clamping piece for pressing the side positioning blocks tightly against the surface of the clamping seat.

[0015] By adopting the above technical solution, the side positioning block is fitted with the clamping seat to limit the installation angle of the base, thereby improving the sawing accuracy of the compression shell.

[0016] Optionally, the clamping member is a clamping frame, the clamping member is detachably connected to the clamping seat, a clamping bolt is threadedly engaged on the clamping member, a clamping plate is connected to the clamping bolt, and the clamping plate presses against the side positioning block.

[0017] By adopting the above technical solution, when installing the base, the clamping bolt is rotated to move the clamping plate, pushing the side positioning block to move until the side positioning block fits the side wall of the clamp seat, thereby limiting the position of the base in the width direction. At this time, the clamp seat is started again to drive the base to move on the sawing machine to adjust the position of the base in the length direction, thereby achieving the effect of positioning the base.

[0018] Optionally, the limiting assembly includes a rotary downward pressure cylinder and a side pressure cylinder, two fixed seats are provided, the rotary downward pressure cylinder is connected to the movable seat and is located between the two fixed seats, the rotating end of the rotary downward pressure cylinder is connected to a pressure plate, two side pressure cylinders are connected to the movable seat, two fixed seats are located between the two side pressure cylinders, the side pressure cylinder is connected to a rotating seat, a side pressure block is rotatably connected to the rotating seat, a driving column is connected to the output shaft of the side pressure cylinder, and the driving column is slidably fitted with one end of the side pressure block.

[0019] By adopting the above technical solution, when limiting the compression shell, the rotating downward pressure cylinder is started to rotate and descend the pressure plate until the pressure plate presses the top of the compression shell, and then the side pressure cylinder is started to rotate the side pressure block to press the side wall of the compression shell, thereby limiting the freedom of the compression shell and achieving the effect of limiting the compression shell.

[0020] Optionally, the limiting assembly includes a pressure frame, a fixed column, a connecting tube, a limiting block and an ejection spring, two fixed seats are provided, the fixed column is connected to the movable seat and is located between the two fixed seats, the connecting tube is sleeved on the top of the fixed column, the pressure frame is rotatably connected to the connecting tube, both ends of the pressure frame are provided with pressure inclined surfaces, the top of the fixed column is provided with a accommodating hole, the ejection spring is connected in the accommodating hole, the connecting tube is connected with a pressure column, the pressure block is connected to the pressure column, the pressure block presses the ejection spring, the limiting block is connected to several blocks on the inner wall of the connecting tube, a moving groove and a limiting ring groove are provided on the surface of the fixed column, the moving groove is connected to the limiting ring groove and is perpendicular to the limiting ring groove, when limiting the pressure shell, the pressure inclined surface presses the pressure shell, the limiting block is located in the limiting ring groove, and the ejection spring is in a compressed state.

[0021] By adopting the above technical solution, when limiting the compression shell, the connecting tube is sleeved on the fixed column, the limiting block enters the movable groove, the pressure block enters the accommodating hole, the pressing frame is located above the two compression shells, and the pressure is continued to be applied and the connecting tube is rotated to make the limiting block enter the limiting ring groove. At this time, the pressure inclined surface presses the compression shell and the ejection spring is compressed, thereby limiting the freedom of the compression shell and realizing the installation of the compression shell.

[0022] In summary, the present application includes at least one of the following beneficial technical effects: 1. When clamping the compression shell, embed the compression shell on the mounting seat, slide the mounting seat on the fixed seat, and use the locking assembly to lock the mounting seat, use the limiting assembly to limit the compression shell, and finally use the adjusting assembly to adjust the position of the movable seat so that the saw belt on the sawing machine is aligned with the sawing part of the compression shell, thus realizing the installation of the compression shell. By sliding the mounting seat on the fixed seat, when replacing compression shells of different models and sizes, only the mounting seat needs to be replaced, and finally the locking assembly is used to limit the mounting seat, so that the positioning tooling is applicable to the installation of compression shells of multiple models and sizes, thereby improving the applicability of the positioning tooling; 2. When locking the mounting seat, the mounting seat fits the stopper, one end of the connecting column passes through the stopper, the arc rod is turned over to make the arc rod fit the surface of the connecting column, the rotating block is turned over, and the locking bolt is turned to move the pressing block until the pressing inclined surface fits the stabilizing block, thereby limiting the freedom of the arc rod and the connecting column, and achieving the effect of locking the mounting seat; 3. When limiting the compression shell, the connecting tube is sleeved on the fixed column, the limiting block enters the movable groove, the pressure block enters the accommodating hole, the pressing frame is located above the two compression shells, and the pressure continues to be applied and the connecting tube is rotated to make the limiting block enter the limiting ring groove. At this time, the pressure inclined surface presses the compression shell and the ejection spring is compressed, thereby limiting the freedom of the compression shell and realizing the installation of the compression shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of the pressure shell in the prior art.

[0024] Figure 2 It is a schematic diagram of the structure of the sawing machine and positioning tooling in Example 1 of the present application.

[0025] Figure 3 It is a structural schematic diagram of the positioning tool and the clamping seat in Example 1 of the present application.

[0026] Figure 4 It is a schematic diagram of the structure of the clamping member in Example 1 of the present application.

[0027] Figure 5 It is a schematic diagram of the structure of the regulating component and the limiting component in Example 1 of the present application.

[0028] Figure 6 It is a schematic diagram of the structure of the locking assembly in Example 1 of the present application.

[0029] Figure 7 yes Figure 6 Enlarged view of point A in the middle.

[0030] Figure 8 It is a structural schematic diagram of the restriction component in Example 2 of the present application.

[0031] Fig. 9 It is an exploded view used to reflect the structure of the restriction component in Example 2 of the present application.

[0032] Fig.10 It is a cross-sectional view used to reflect the structure of the limiting component in Example 2 of the present application.

[0033] Explanation of reference numerals: 01, compression shell; 011, excess material; 1, sawing machine; 11, clamping seat; 2, base; 21, side positioning block; 22, moving seat; 221, fixed seat; 222, stopper; 223, sliding bar; 224, mounting seat; 3, clamping member; 31, clamping bolt; 4, adjusting assembly; 41, adjusting screw; 42, connecting block; 43, limiting rail; 5, locking assembly; 51, connecting column; 52, clamping arc rod ; 53, rotating block; 531, connecting plate; 54, locking bolt; 541, tightening block; 55, stabilizing block; 6, limiting assembly; 61, rotating downward pressure cylinder; 611, pressure plate; 62, side pressure cylinder; 621, side pressure block; 63, pressure frame; 64, fixing column; 641, accommodating hole; 642, moving groove; 643, limiting ring groove; 65, connecting tube; 651, pressure block; 66, limiting block; 67, ejection spring. DETAILED DESCRIPTION

[0034] The following is combined with Figure 2-Figure 10 This application is described in further detail.

[0035] Embodiment 1 of the present application discloses a positioning tool for sawing a pressed shell. Figure 2 , Figure 3 and Figure 4 The positioning tool for compression shell sawing includes a base 2 placed on a sawing machine 1, the base 2 is connected to the sawing machine 1 by bolts, and side positioning blocks 21 are fixedly connected on both sides of the length direction of the base 2. Two clamping seats 11 are provided on the sawing machine 1, and the side positioning blocks 21 are attached to the clamping seats 11, and the side positioning blocks 21 are used to limit the position of the base 2 in the width direction. A clamping member 3 is provided on the clamping seat 11, and the clamping member 3 is a clamping frame and is arranged in a Z shape. The clamping member 3 is connected to the clamping seat 11 by bolts. A clamping bolt 31 is threadedly matched on the clamping member 3, and a clamping plate is fixedly connected to the clamping bolt 31, and the clamping plate clamps the side positioning block 21.

[0036] Reference Figure 5The base 2 is provided with a movable seat 22 and an adjustment assembly 4, and the adjustment assembly 4 includes an adjustment screw 41, a connection block 42 and a limiting rail 43. A plurality of limiting rails 43 are fixedly connected to the base 2. In this embodiment, two are taken as an example. The limiting rails 43 are T-shaped rails, and the movable seat 22 is slidably matched on the limiting rails 43. The connection block 42 is fixedly connected to the movable seat 22, and the adjustment screw 41 is rotationally connected to the base 2 and is parallel to the limiting rail 43. The adjustment screw 41 passes through the connection block 42 and is threadedly matched with the connection block 42.

[0037] When adjusting the position of the movable seat 22 , the adjusting screw 41 is rotated to move the connecting block 42 through the restriction of the restriction rail 43 , thereby driving the movable seat 22 to move to the specified position, thereby achieving the effect of adjusting the position of the movable seat 22 .

[0038] Reference Figure 5 and Figure 6 , the movable seat 22 is fixedly connected with a plurality of fixed seats 221, and two are taken as an example in this embodiment. The movable seat 22 is fixedly connected with a stopper 222, and the stopper 222 fits the other side of the fixed seat 221. The top of the fixed seat 221 is tilted, and the height of the fixed seat 221 gradually decreases from one side of the fixed seat 221 to the stopper 222 as the reference direction. The top of the fixed seat 221 is fixedly connected with a plurality of sliding bars 223, and the sliding bars 223 are T-shaped bars. The sliding bar 223 is slidably matched with a mounting seat 224, and one side of the mounting seat 224 fits the stopper 222.

[0039] Reference Figure 6 and Figure 7 , a locking assembly 5 is provided on the stopper 222, and the locking assembly 5 includes a connecting column 51, a clamping arc rod 52, a rotating block 53, a locking bolt 54 and a stabilizing block 55. One end of the connecting column 51 is fixedly connected to one side of the mounting seat 224, and a U-shaped groove is provided at the position of the stopper 222 corresponding to the connecting column 51, and the connecting column 51 passes through the U-shaped groove. One end of the clamping arc rod 52 is hinged on the stopper 222, and the clamping arc rod 52 fits the surface of the connecting column 51. The rotating block 53 is hinged on the other end of the clamping arc rod 52, and a connecting plate 531 is fixedly connected to the rotating block 53. The locking bolt 54 is rotatably connected to the rotating block 53, and a tightening block 541 is threadedly matched on the locking bolt 54, and the tightening block 541 fits the connecting plate 531. The stabilizing block 55 is fixedly connected to the stopper 222 , and a tightening slope is provided on the side wall of the tightening block 541 close to the stabilizing block 55 . The thickness of the tightening block 541 gradually decreases from the connecting plate 531 to the clamping arc rod 52 , and the stabilizing block 55 fits the tightening slope.

[0040] When locking the mounting seat 224, the mounting seat 224 is fitted with the stop block 222, the compression arc rod 52 is flipped, so that the compression arc rod 52 fits the connecting column 51, the rotating block 53 is flipped, and the locking bolt 54 is rotated to move the clamping block 541 until the clamping inclined surface clamps the stabilizing block 55, thereby limiting the freedom of the clamping arc rod 52 and the freedom of the connecting column 51, thereby achieving the effect of locking the mounting seat 224.

[0041] Reference Figure 5 , a limiting assembly 6 is provided on the movable seat 22, and the limiting assembly 6 includes a rotary downward pressure cylinder 61 and a side pressure cylinder 62. The rotary downward pressure cylinder 61 is installed on the movable seat 22 and is located between the two fixed seats 221. The rotary downward pressure cylinder 61 is vertically arranged, and the movable end of the rotary downward pressure cylinder 61 is connected to a pressure plate 611 by bolts. Two side pressure cylinders 62 are installed on the movable seat 22, and the two fixed seats 221 are both located between the two side pressure cylinders 62. A rotating seat is fixedly connected to the side pressure cylinder 62, and a side pressure block 621 is hinged on the rotating seat. A driving column is fixedly connected to the output shaft of the side pressure cylinder 62, and a waist-shaped groove is opened at one end of the side pressure block 621, and the driving column slides in the waist-shaped groove.

[0042] When limiting the compression shell 01, start the rotating downward pressure cylinder 61 to make the pressure plate 611 descend and rotate until the pressure plate 611 presses the two compression shells 01, and then start the side pressure cylinder 62 to make the side pressure block 621 rotate until it presses one side of the compression shell 01, thereby limiting the freedom of the compression shell 01 and realizing the installation of the compression shell 01.

[0043] The implementation principle of a positioning tool for sawing a compression shell in Example 1 of the present application is as follows: during installation, the compression shell 01 is placed on the mounting seat 224, the mounting seat 224 is slidably fitted on the fixing seat 221, and is in contact with the stop block 222, the compression arc rod 52 is flipped and pressed, the compression arc rod 52 is in contact with the connecting column 51, the rotating block 53 is flipped, and the locking bolt 54 is rotated to move the pressing block 541 until the pressing surface is pressed against the stabilizing block 55 to lock the mounting seat 224, and then the rotating downward pressing cylinder 61 is started to rotate and descend the pressing plate 611 until the pressing plate 611 presses the top of the compression shell 01, the side pressure cylinder 62 is started, the side pressure block 621 rotates, and presses the side wall of the compression shell 01 to limit the compression shell 01, and finally the adjusting screw 41 is rotated to move the connecting block 42, driving the moving seat 22 to move until the saw belt of the sawing machine 1 is aligned with the sawing part of the compression shell 01, thereby realizing the installation of the compression shell 01.

[0044] By sliding the mounting seat 224 on the fixing seat 221, when replacing a compression shell 01 of a different model or size, only the mounting seat 224 needs to be replaced, and finally the mounting seat 224 is locked by the locking assembly 5, so that the positioning tool is suitable for the installation of compression shells 01 of multiple models and sizes, thereby improving the applicability of the positioning tool.

[0045] Embodiment 2: The difference between this embodiment and embodiment 1 is that the structure of the limiting component 6 is different.

[0046] Reference Figure 8 , Fig. 9 and Fig.10 The limiting assembly 6 includes a pressure frame 63, a fixed column 64, a connecting tube 65, a limiting block 66 and an ejection spring 67. The fixed column 64 is fixedly connected to the movable seat 22 and is located between the two fixed seats 221. The top of the fixed column 64 is provided with a receiving hole 641, and the ejection spring 67 is installed in the receiving hole 641. The surface of the fixed column 64 is provided with a plurality of moving grooves 642. In this embodiment, two are taken as an example. The moving grooves 642 are parallel to the axial direction of the fixed column 64. One end of the moving groove 642 is connected with a limiting ring groove 643, and the limiting ring groove 643 is perpendicular to the moving groove 642.

[0047] Reference Fig. 9 and Fig.10 The connecting tube 65 is sleeved on the top of the fixed column 64. A pressure column is fixedly connected to the inner top wall of the connecting tube 65. A pressure block 651 is fixedly connected to the bottom end of the pressure column. The pressure block 651 is located in the receiving hole 641 and squeezes the ejection spring 67. The pressure frame 63 is rotatably connected to the surface of the connecting tube 65. Both ends of the pressure frame 63 are provided with pressure inclined surfaces. The limiting block 66 is fixedly connected to the inner wall of the connecting tube 65 at a position corresponding to the moving groove 642. The moving groove 642 and the limiting ring groove 643 match the shape of the limiting block 66.

[0048] When limiting the compression shell 01, the connecting tube 65 is sleeved on the top of the fixed column 64, the pressure block 651 contacts the ejection spring 67, the pressure frame 63 is located above the two compression shells 01, the limiting block 66 enters the movable groove 642, and the connecting tube 65 continues to be pressurized and rotated, the limiting block 66 enters the limiting ring groove 643, the pressure block 651 presses the ejection spring 67, and the pressure frame 63 presses the top of the compression shell 01, thereby limiting the degree of freedom of the compression shell 01 and realizing the installation of the compression shell 01.

[0049] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A positioning tool for sawing a pressed shell, characterized in that: The invention comprises a base (2) mounted on a sawing machine (1), wherein a movable seat (22) and an adjusting component (4) for driving the movable seat (22) are arranged on the base (2), a plurality of fixed seats (221) are connected to the movable seat (22), a mounting seat (224) for stabilizing a compression shell (01) and a locking component (5) for locking the mounting seat (224) are arranged on the fixed seat (221), and a limiting component (6) for stabilizing the compression shell (01) is arranged on the movable seat (22).

2. The positioning tool for sawing of pressed shells according to claim 1, characterized in that: The movable seat (22) is connected to a stopper (222); the top end of the fixed seat (221) is tilted, and the reference direction is from one side of the fixed seat (221) to the stopper (222); the thickness of the fixed seat (221) gradually decreases; the top end of the fixed seat (221) is connected to a sliding bar (223); the sliding bar (223) is a T-shaped bar; the mounting seat (224) is slidably fitted on the sliding bar (223) and fits the stopper (222).

3. The positioning tool for pressing shell sawing according to claim 2 is characterized in that: The locking assembly (5) comprises a connecting column (51), a clamping arc rod (52), a rotating block (53), a locking bolt (54) and a stabilizing block (55); one end of the connecting column (51) is connected to the mounting seat (224); the connecting column (51) passes through the stopper (222); one end of the clamping arc rod (52) is rotatably connected to the stopper (222); the clamping arc rod (52) is in contact with the surface of the connecting column (51); the rotating block (53) is rotatably connected to the clamping arc rod (52) ), the rotating block (53) is connected to a connecting plate (531), the locking bolt (54) is rotatably connected to the rotating block (53), the locking bolt (54) is threadedly matched with a clamping block (541), the clamping block (541) is in contact with the connecting plate (531), a side wall of the clamping block (541) away from the locking bolt (54) is provided with a clamping inclined surface, the stabilizing block (55) is connected to the stopper (222), and the stabilizing block (55) is in contact with the clamping inclined surface.

4. The positioning tool for pressing shell sawing according to claim 1, characterized in that: The adjustment assembly (4) comprises an adjustment screw (41), a connecting block (42) and a limiting rail (43); the limiting rail (43) is connected to the base (2) in a plurality of strips; the limiting rail (43) is a T-shaped rail; the connecting block (42) is connected to the movable seat (22); the adjustment screw (41) is rotatably connected to the base (2) and is parallel to the limiting rail (43); the adjustment screw (41) passes through the connecting block (42) and is threadedly engaged with the connecting block (42).

5. The positioning tool for pressing shell sawing according to claim 1, characterized in that: The sawing machine (1) is provided with two clamping seats (11); the base (2) is detachably connected to the sawing machine (1) and is located between the two clamping seats (11); side positioning blocks (21) are connected to both sides of the base (2); the side positioning blocks (21) are in contact with the surface of the clamping seat (11); and a pressing member (3) is provided on the clamping seat (11) for pressing the side positioning blocks (21) against the surface of the clamping seat (11).

6. The positioning tool for sawing of pressed shells according to claim 5, characterized in that: The clamping member (3) is a clamping frame, and the clamping member (3) is detachably connected to the clamping seat (11). The clamping member (3) is threadedly fitted with a clamping bolt (31), and the clamping bolt (31) is connected to a clamping plate, and the clamping plate is pressed against the side positioning block (21).

7. The positioning tool for pressing shell sawing according to claim 1, characterized in that: The limiting component (6) includes a rotating downward pressure cylinder (61) and a side pressure cylinder (62), two fixed seats (221) are provided, the rotating downward pressure cylinder (61) is connected to the movable seat (22) and is located between the two fixed seats (221), the rotating end of the rotating downward pressure cylinder (61) is connected to a pressure plate (611), two side pressure cylinders (62) are connected to the movable seat (22), the two fixed seats (221) are located between the two side pressure cylinders (62), the side pressure cylinder (62) is connected to a rotating seat, the rotating seat is rotatably connected to a side pressure block (621), the output shaft of the side pressure cylinder (62) is connected to a driving column, and the driving column is slidably fitted on one end of the side pressure block (621).

8. The positioning tool for press shell sawing according to claim 1, characterized in that: The limiting assembly (6) comprises a pressure frame (63), a fixed column (64), a connecting tube (65), a limiting block (66) and an ejection spring (67). Two fixed seats (221) are provided. The fixed column (64) is connected to the movable seat (22) and is located between the two fixed seats (221). The connecting tube (65) is sleeved on the top of the fixed column (64). The pressure frame (63) is rotatably connected to the connecting tube (65). Both ends of the pressure frame (63) are provided with pressure inclined surfaces. The top of the fixed column (64) is provided with a receiving hole (641). The ejection spring (67) is connected in the receiving hole (641). A pressure column is connected inside the connecting tube (65), and a pressure block (651) is connected to the pressure column. The pressure block (651) applies pressure to the ejection spring (67). The limiting block (66) is connected to several blocks on the inner wall of the connecting tube (65). A movable groove (642) and a limiting ring groove (643) are opened on the surface of the fixed column (64). The movable groove (642) is connected to the limiting ring groove (643) and is perpendicular to the limiting ring groove (643). When the pressure shell (01) is limited, the pressure inclined surface presses the pressure shell (01), the limiting block (66) is located in the limiting ring groove (643), and the ejection spring (67) is in a compressed state.

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