A split type special-shaped gasket tightening device capable of simultaneously pressing and positioning in both horizontal and vertical directions

Abstract

The invention discloses a split-type special-shaped washer tightening device that can simultaneously compress and position in both horizontal and vertical directions. It includes a base plate of a target fixing component, a special-shaped washer, a fixing bolt, and a fastening nut; the base plate of the target fixing component is provided with an oblique U-shaped groove that is consistent with the inclination angle of the oblique T-shaped groove of the machine tool table; the lower part of the special-shaped washer is obliquely inserted into the oblique U-shaped groove; the fixing bolt obliquely passes through the oblique through hole of the special-shaped washer and the tail is stuck in the oblique T-shaped groove of the machine tool table, and the base plate of the target fixing component can be locked on the machine tool table by the fixing bolt and the fastening nut. The device is used in situations where it is necessary to compress and position simultaneously in both horizontal and vertical directions, and has high positioning accuracy; the original one-piece base plate of the target fixing component with an oblique protrusion is split into the special-shaped washer and the base plate of the target fixing component, and they are manufactured separately, which greatly reduces the processing difficulty and processing cost, improves the manufacturing accuracy; and greatly improves the service life of the base plate of the target fixing component.

Description

Technical Field

[0001] This invention belongs to the field of mechanical processing technology and relates to a split-type irregular-shaped washer clamping device that can simultaneously clamp and position in both horizontal and vertical directions. The vertical direction mentioned in this application refers to the direction perpendicular to the horizontal direction. Background Technology

[0002] Many common machine tools, such as grinding machines, milling machines, and lathes, have movable headstocks, tailstocks, and movable center supports (carriers) that can slide across a machine tool table (i.e., the base table of the machine tool). When machining parts using this machine tool, these movable functional components (i.e., target fixing components) need to be moved to a suitable position for machining the part. Then, it is necessary to... Figure 4 The base plate 2 of the target fixing component is pressed and positioned on the machine tool table 1 with the inclined T-slot by fixing bolts 3 and fastening nuts 6 in both horizontal and vertical directions (bidirectional). That is, fixing bolts 3 pass through the base plate 2 of the target fixing component, the bottom of fixing bolts 3 is positioned in the inclined T-slot 11 on the machine tool table 1, and fastening nuts 6 are screwed on the top of fixing bolts 3 to press them tight. Thus, they can be pressed and positioned in both horizontal and vertical directions at the same time. Only then can the part be processed.

[0003] When using a machine tool to process different types of parts or different parts of the same type of part, it is necessary to move the machine tool's movable headstock, tailstock, or support frame (i.e., target fixing components) to different positions suitable for part processing, and then re-tighten and reposition them. Specifically, the machine tool table 1 has a long, angled T-slot 11 (at least one end is open). Each time the target fixing component is moved to the next processing position, before processing the part, it needs to be simultaneously tightened and positioned on the machine tool table 1 in both horizontal and vertical directions using fixing bolts 3 (that is, the fixing bolts 3 pass through the base plate 2 of the target fixing component, are positioned in the required position in the angled T-slot 11 on the machine tool table 1 by the T-shaped bottom of the fixing bolts 3, and are tightened by screwing on the top of the fixing bolts 3 with fastening nuts 6). In other words, the base plate 2 of the target fixing component requires numerous disassembly and reassembly of the fixing bolts 3 and fastening nuts 6 during use.

[0004] In order to reliably press and position the base plate 2 of the target fixing component on the machine tool table 1 in both horizontal and vertical directions (bidirectional), when designing the base plate 2 of the target fixing component, it is necessary to consider setting an oblique protrusion with a bolt insertion hole on each side of the base plate 2 of the target fixing component to bear and transmit the oblique pressing force of the fixing bolt 3 and the fastening nut 6.

[0005] like Figure 4 , Figure 5As shown, the existing base plate 2 of the target fixing component is currently designed in the following way: the inclined protrusion 8, which has the function of clamping and positioning, is designed as an integral part of the base plate 20 of the target fixing component, that is, it is designed as an integral base plate 20 of the target fixing component with an inclined protrusion, and the bolt insertion hole for the fixing bolt 3 is designed as an inclined U-shaped opening groove 9. This design has the following defects:

[0006] (1) The addition of an oblique protrusion 8 on the base plate 2 of the target fixing component affects its processing technology. In other words, the oblique protrusion 8 severely restricts the processing technology of the base plate 2 of the target fixing component. First, it is very difficult and costly to process an integral component with the oblique protrusion 8 and the base plate 2 of the target fixing component. Second, it is also very difficult to process the bolt insertion hole (i.e., oblique U-shaped opening groove 9) on the oblique protrusion 8 on the base plate 2 of the target fixing component. Third, the upper surface of the base plate 2 of the integral target fixing component with the oblique protrusion 8 is almost impossible to grind, making it difficult to guarantee the processing accuracy of the base plate 2 of the target fixing component.

[0007] (2) Since the oblique protrusion 8 is integrated with the base plate 2 of the target fixing component, it is limited by the strength of the material used in the target fixing component 2, and the bolt tightening force is borne by the U-shaped arc surface of the oblique U-shaped opening groove 9 (e.g. Figure 6 As shown, the bearing area of ​​the clamping force is small and the strength of the bearing surface is low. If it needs to be disassembled many times during use, it is very easy to cause wear and damage to the bearing surface of the clamping force, that is, the part in contact between the inclined U-shaped opening groove 9 and the fastening nut 6 (through the flat washer 5). Summary of the Invention

[0008] The purpose of this invention is to overcome the shortcomings of the existing technology and provide a split-type irregular gasket clamping device that can be simultaneously clamped and positioned horizontally and vertically, with low processing difficulty, low processing cost, simplified processing technology, improved processing quality, and increased service life of components.

[0009] The technical solution of the invention is as follows:

[0010] A split-type irregular-shaped washer clamping device capable of simultaneous horizontal and vertical bidirectional clamping and positioning includes a machine tool table 1 with an inclined T-slot 11, a base plate 2 of a target fixing component, a fixing bolt 3, an irregular-shaped washer 4, and a fastening nut 6. The machine tool table 1 has an inclined T-slot 11, i.e., an inclined T-shaped groove. The base plate 2 of the target fixing component has an inclined U-shaped groove 12 with the same inclination angle as the inclined T-slot 11 of the machine tool table 1. The lower part of the irregular-shaped washer 4 is inclinedly inserted into the inclined U-shaped groove 12 of the base plate 2 of the target fixing component, with a gap between the bottom of the irregular-shaped washer 4 and the upper surface of the machine tool table 1. The irregular-shaped washer 4 has an inclined through hole (bolt hole). The fixing bolt 3 is inclinedly inserted into and passes through the inclined through hole of the irregular-shaped washer 4, with the tail of the fixing bolt 3 engaged in the inclined T-slot 11 of the machine tool table 1. Inside, the head of the fixing bolt 3 is fitted with a fastening nut 6. The fixing bolt 3 and the fastening nut 6 can lock, position, and fix the base plate 2 of the target fixing component to the machine tool table 1. The irregular washer 4 is wide at the top and narrow at the bottom. The shoulder formed by the combination of its wide and narrow parts fits against the upper plane of the base plate 2 at the U-shaped groove of the target fixing component. It serves as the vertical clamping force bearing surface 13, bearing the vertical component of the clamping force generated by the fastening nut 6. The side of the narrower part of the lower part of the irregular washer 4 fits against the side of the U-shaped groove of the base plate 2 of the target fixing component. It serves as the horizontal clamping force bearing surface 14, bearing the horizontal component of the clamping force generated by the fastening nut 6. The irregular washer 4 and the base plate of the target fixing component are designed separately and processed separately.

[0011] Furthermore, the split-type irregular gasket clamping device that can simultaneously clamp and position horizontally and vertically also has the following technical features: the base plate 2 of the target fixing component is placed on the machine tool table 1 with a slanted T-slot and is in contact with the machine tool table 1 in the horizontal direction; the outer side of one side of the machine tool table 1 in the vertical direction is the sliding reference surface 7, and the L-shaped bend on the side of the base plate 2 of the target fixing component is in contact with the sliding reference surface 7 in the vertical direction.

[0012] Furthermore, the split-type irregular gasket clamping device that can simultaneously clamp and position horizontally and vertically also has the following technical feature: the base plate 2 of the target fixing component is the base plate of the movable headstock, tailstock or central support frame (bracket) of the machine tool.

[0013] Furthermore, the split-type irregular washer fastening device that can simultaneously clamp and position horizontally and vertically has the following technical features: the fixing bolt 3 is a T-bolt; the tail (bottom) of the fixing bolt 3 is a T-block 10, i.e., a rectangular block; the tail (bottom) T-block 10 of the fixing bolt 3 is engaged in the inclined T-slot 11 of the machine tool table 1; the front (head) of the fixing bolt 3 is provided with external threads; the fastening nut 6 is provided with internal threads corresponding to the external threads; the fastening nut 6 is fitted and tightened on the head of the fixing bolt 3.

[0014] Furthermore, the split-type irregular washer fastening device that can simultaneously clamp and position horizontally and vertically has the following technical features: the head of the fixing bolt 3 is fitted with a flat washer 5 and a fastening nut 6, the flat washer 5 is close to the head of the irregular washer 4, and the base plate 2 of the target fixing component can be locked, positioned and fixedly connected to the machine tool table 1 by the fixing bolt 3, the flat washer 5 and the fastening nut 6.

[0015] Furthermore, a long, inclined T-slot 11 (with at least one end open) is provided on the machine tool table 1, and an inclined U-shaped groove 12 with the same inclination angle as the inclined T-slot 11 on the front and rear sides of the base plate 2 of the target fixing component is opened; a set of fixing bolts 3, flat washers 5 and fastening nuts 6 are installed at each inclined U-shaped groove 12.

[0016] Furthermore, the split-type irregular-shaped washer fastening device that can simultaneously clamp and position horizontally and vertically has the following technical feature: the irregular-shaped washer 4 is made of steel and has an oblique through hole in the middle, which is a bolt hole.

[0017] Furthermore, the split-type irregular-shaped washer clamping device that can simultaneously clamp and position horizontally and vertically also has the following technical feature: the irregular-shaped washer 4 is made of steel and has undergone hardening treatment.

[0018] The cross-sectional shape of the irregular washer 4 can be square, circular, or other combinations thereof.

[0019] The main innovation of the split-type irregular-shaped washer clamping device that can simultaneously clamp and position horizontally and vertically is that the original one-piece base plate 20 with oblique protrusion of the target fixing component is split into a design of base plate 2 of the target fixing component plus irregular-shaped washer 4. The irregular-shaped washer 4 and the base plate 2 of the target fixing component are designed separately and processed separately.

[0020] Beneficial effects of the invention:

[0021] The invention relates to a split-type irregular-shaped washer clamping device that can simultaneously clamp and position in both horizontal and vertical directions. It is mainly used in situations where a mechanical functional component needs to be fixed on another mechanical base and needs to be clamped and positioned simultaneously in both horizontal and vertical directions. The main features of the invention are as follows: (1) It can clamp and position simultaneously in both horizontal and vertical directions with high positioning accuracy; (2) The original one-piece base plate of the target fixing component with inclined protrusion is split into an irregular-shaped washer and the base plate of the target fixing component, which are manufactured separately. This ensures the manufacturing accuracy of the base plate of the target fixing component and greatly reduces the difficulty of the processing technology, saving processing costs; (3) During the clamping process, the irregular-shaped washer can reduce the local pressure on the clamping part and increase the contact surface strength, thereby greatly improving the service life of the base plate of the target fixing component and making it almost impossible to be damaged.

[0022] The core feature of this invention, a split-type irregular-shaped washer clamping device capable of simultaneous horizontal and vertical bidirectional clamping and positioning, lies in its design of separating the integrated target fixing component with oblique protrusions (oblique bumps) into a split design consisting of the target fixing component and the irregular-shaped washer, allowing for separate processing. In this structure, the irregular-shaped washer is manufactured separately from the base plate of the target fixing component, significantly reducing the processing difficulty and cost of the base plate, improving processing accuracy, and greatly extending the service life of the target fixing component. The irregular-shaped washer itself can be processed using ordinary machining and wire cutting processes, resulting in low processing costs. Furthermore, the irregular-shaped washer can be individually strength-treated, making it virtually impossible to damage during long-term use.

[0023] The invented split-type irregular gasket clamping device, which can simultaneously clamp and position horizontally and vertically, is easy to manufacture, has low manufacturing cost, high manufacturing precision, long service life, strong fastening force, and accurate positioning. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the structure of a split-type irregular-shaped washer clamping device that can simultaneously clamp and position horizontally and vertically.

[0025] Figure 2 This is a three-dimensional structural diagram of the invention's split-type irregular-shaped washer fastening device;

[0026] Figure 3 This is a schematic diagram of the force-bearing area of ​​the invented split-type irregular-shaped washer fastening device (i.e. Figure 2 A schematic diagram of the stress region at point I, where the shaded area represents the stress region of the structure of the invention.

[0027] Figure 4 This is a schematic diagram of the structure of a positioning device currently commonly used in existing technology;

[0028] Figure 5This is a three-dimensional structural diagram of a positioning device currently commonly used in existing technologies;

[0029] Figure 6 This is a schematic diagram of the force-bearing area of ​​a commonly used positioning device in existing technology (i.e.) Figure 5 A schematic diagram of the stress region at point II, where the shaded area represents the stress region of a structure commonly used in the prior art.

[0030] In the diagram: 1. Machine tool table; 2. Base plate of the target fixing component; 3. Fixing bolt; 4. Irregularly shaped washer; 5. Flat washer; 6. Fastening nut; 7. Sliding reference surface; 8. Angled protrusion; 9. Angled U-shaped opening groove; 10. T-block (rectangular block); 11. Angled pull T-slot; 12. Angled U-shaped groove; 13. Vertical clamping force bearing surface; 14. Horizontal clamping force bearing surface; 20. Integrated base plate of the target fixing component with angled protrusion. Detailed Implementation

[0031] The invention will be further described below with reference to the accompanying drawings and embodiments.

[0032] Example

[0033] like Figure 1As shown, an invention discloses a split-type irregular-shaped washer clamping device capable of simultaneous horizontal and vertical bidirectional clamping and positioning. It includes a machine tool table 1 with an inclined T-slot 11, a base plate 2 for the target fixing component (since the base plate 2 of the target fixing component may vary, a plate resembling an L-shaped slide is used to represent the base plate 2 of the target fixing component described in the invention), a fixing bolt 3, an irregular-shaped washer 4, a flat washer 5, and a fastening nut 6 (hexagonal nut); the machine tool table 1 is provided with an inclined T-slot 11, i.e., an inclined T-shaped groove; the base plate 2 of the target fixing component... The top has an oblique U-shaped groove 12 (i.e., an oblique single-sided opening groove, which is inclined at a certain angle from top to bottom with the vertical direction, and its cross-section in the horizontal direction is U-shaped, with the front or back side of the U-shape being open, i.e., the front or back side of the oblique U-shaped groove 12 on the bottom plate 2 of the target fixing component is open); the lower part of the irregular washer 4 is obliquely inserted into the oblique opening groove of the target fixing component 2, and a gap is left between the bottom of the irregular washer 4 and the upper surface of the machine tool table 1, i.e., a section is not fully inserted, to ensure that the clamping force is applied to the target fixing component 2 through the irregular washer 4; the irregular washer 4 has an oblique through hole (for bolts); the fixing bolt 3 is obliquely inserted and passes through the irregular washer 4. The shaped washer 4 has an oblique through hole; the fixing bolt 3 is a T-bolt with a T-block 10 (rectangular block) at its tail; the T-block 10 (rectangular block) at the tail of the fixing bolt 3 is inserted into the oblique pull T-slot 11 of the machine tool table 1; the front (head) of the fixing bolt 3 is provided with an external thread; the fastening nut 6 is provided with an internal thread corresponding to the external thread; the head of the fixing bolt 3 is fitted with a flat washer 5 and a fastening nut 6, the flat washer 5 is close to the head of the shaped washer 4, and the fastening nut 6 is fitted and tightened on the head of the fixing bolt 3, that is, the head of the fixing bolt 3 is fixed by the flat washer 5 and the fastening nut 6. The target fixing component 2 can be locked, positioned and fixedly connected to the machine tool table 1 by the fixing bolt 3, the flat washer 5 and the fastening nut 6.

[0034] like Figure 1 As shown, the irregularly shaped washer 4 is wider at the top and narrower at the bottom. The shoulder formed by the junction of its wide and narrow sections fits against the upper plane of the base plate 2 of the target fixing component at the U-shaped groove, serving as the vertical clamping force bearing surface 13, bearing the vertical component of the clamping force generated by the fastening nut 6. The side of the narrower lower part of the irregularly shaped washer 4 fits against the side of the U-shaped groove of the base plate 2 of the target fixing component, serving as the horizontal clamping force bearing surface 14, bearing the horizontal component of the clamping force generated by the fastening nut 6. The irregularly shaped washer 4 and the base plate 2 of the target fixing component are designed separately and processed separately.

[0035] like Figure 1As shown, the base plate 2 of the target fixing component is placed on the machine tool table 1. The base plate 2 of the target fixing component is in contact with the machine tool table 1 in the horizontal direction (X-axis and Y-axis directions). The outer side of the machine tool table 1 in the vertical direction (Z-axis direction) is the sliding reference surface 7. The L-shaped bend on the side of the base plate 2 of the target fixing component is in contact with the sliding reference surface 7 in the vertical direction (Z-axis direction) on the inner side.

[0036] A long, oblique T-slot 11 is provided on the machine tool table 1, such as Figure 2 As shown, on the base plate 2 of the target fixing component, there is an oblique U-shaped groove 12 on each of the front and rear sides, which is at the same angle as the oblique T-shaped groove 11 of the machine tool table 1; a set of fixing bolts 3, flat washers 5 and fastening nuts 6 are installed at each oblique U-shaped groove 12.

[0037] The irregularly shaped washer 4 is made of steel and has undergone a hardening treatment; such as Figure 1 , Figure 2 As shown, in this embodiment, the cross-sectional shape of the irregular washer 4 is square, but it can also be circular or other combinations of shapes.

[0038] The working principle of the invented split-type irregular-shaped washer clamping device that can simultaneously clamp and position horizontally and vertically is as follows:

[0039] Place the base plate 2 of the target fixing component on the machine tool table 1. After the upper and lower surfaces are aligned vertically, move the base plate 2 of the target fixing component back and forth and left and right. Adjust the L-shaped bend on the side of the base plate 2 of the target fixing component to align with the sliding reference surface 7 on the machine tool table 1 to maintain horizontal alignment (align the oblique opening groove on the base plate 2 of the target fixing component with the oblique pull T-slot on the machine tool table 1). Then, install the irregular washer 4. Next, insert the head and front of the fixing bolt 3 obliquely through the oblique through hole of the irregular washer 4, and lock the T-shaped tail of the fixing bolt 3 into the oblique pull T-slot of the machine tool table 1. Finally, put the flat washer 5 and the fastening nut 6 on the head of the fixing bolt 3, and use the flat washer 5 and the fastening nut 6 to lock (position and fix) the target fixing component 2 and the machine tool table 1 together. Because the bolt hole of the irregular washer 4 forms a certain angle with the horizontal direction, the clamping force generated by the fixing bolt 3 under the locking action of the fastening nut 6 is as follows: Figure 1 The oblique clamping force F shown can be decomposed into a horizontal clamping force F1 and a vertical clamping force F2, thus achieving bidirectional simultaneous high-precision clamping and positioning in both horizontal and vertical directions.

[0040] In this invention, the clamping force generated by the fastening nut 6 is transmitted through the flat washer 5 to the upper surface around the oblique through hole (bolt hole) of the irregular washer 4. The irregular washer 4 is supported by the entire circumferential surface in contact with the flat washer 5 (the supporting surface is as follows). Figure 3 As shown), while in the prior art it is supported by a U-shaped arc surface (the supporting surface is as shown). Figure 6 (As shown). Compared with the prior art, the structure of the invention has a large bearing area for transmitting clamping force because it is a full circumferential surface contact. When the nut 6 is locked, the circumferential force is balanced and there will be no skewing. It is easy to tighten reliably. At the same time, since the irregular washer 4 is made of materials separately from the base plate 2 of the target fixing part, it can be heat treated and strengthened separately, and the bearing surface has high strength. Thus, it will hardly be damaged during use. That is to say, the fastening device of the invention will not cause wear or damage to the contact part between the main bearing surface of the clamping force, i.e., the peripheral end face of the oblique through hole (bolt hole) of the irregular washer 4 and the fastening nut 6, even after countless disassemblies during use. It will also not cause wear or damage to the contact part between the inner wall of the oblique U-shaped groove 12 on the base plate 2 of the target fixing part and the narrow lower part of the irregular washer 4.

[0041] In this invention, the irregularly shaped washer 4 is not integrally formed with the base plate 2 of the target fixing component. Instead, it adopts a split design and is manufactured separately (the original one-piece base plate 20 of the target fixing component with oblique protrusions is split into two parts: the irregularly shaped washer 4 and the base plate 2 of the target fixing component, which are manufactured separately). This greatly reduces the processing difficulty and cost, while ensuring the manufacturing precision of the base plate 2 of the target fixing component (low processing difficulty, low processing cost, and high processing precision). Using this detachable irregularly shaped washer design, since the irregularly shaped washer 4 is separately selected, processed, and heat-treated (i.e., undergoes effective heat treatment and surface strengthening), it is almost never damaged during use, and it also does not damage the base plate 2 of the target fixing component. During the clamping process, the irregularly shaped washer 4 reduces the local pressure on the clamping part, thereby greatly improving the service life of the base plate 2 of the target fixing component.

[0042] The above description is merely a preferred embodiment of the invention. Any minor modifications, equivalent changes, and alterations made to the above embodiments based on the technical solution of the invention shall fall within the scope of the technical solution of the invention.

Claims

1. A split type special-shaped gasket tightening device capable of simultaneously pressing and positioning in both horizontal and vertical directions, characterized in that: It includes a machine tool table with an oblique T-slot, a base plate of a target fixing component, fixing bolts, special-shaped washers, and fastening nuts; the machine tool table is provided with an oblique T-slot, i.e., an oblique T-groove; the base plate of the target fixing component is provided with an oblique U-shaped groove with the same inclination angle as that of the oblique T-slot of the machine tool table; the lower part of the special-shaped washer is obliquely inserted into the oblique U-shaped groove of the base plate of the target fixing component, and a gap is left between the bottom of the special-shaped washer and the plane on the machine tool table; the special-shaped washer is provided with an oblique through hole, i.e., a bolt hole; the fixing bolt is obliquely inserted into and passes through the oblique through hole of the special-shaped washer, the tail of the fixing bolt is stuck in the oblique T-slot of the machine tool table, the head of the fixing bolt is covered with a fastening nut, and is fastened through The fixing bolts and the fastening nuts can lock, position and fix the base plate of the target fixed component to the machine tool table; the special-shaped washer is wide at the top and narrow at the bottom, and the shoulder formed by the wide and narrow combination is in contact with the upper plane of the base plate of the target fixed component at the U-shaped groove, serving as a vertical clamping force bearing surface to withstand the vertical component of the clamping force generated by the fastening nut; the side surface of the narrower lower part of the special-shaped washer is in contact with the side surface of the U-shaped groove of the base plate of the target fixed component, serving as a horizontal clamping force bearing surface to withstand the horizontal component of the clamping force generated by the fastening nut; the special-shaped washer and the base plate of the target fixed component are designed separately and processed separately.

2. The split-type special-shaped gasket tightening device capable of simultaneously pressing and positioning in both horizontal and vertical directions as claimed in claim 1 is characterized in that: The base plate of the target fixing component is placed on a machine tool table with an inclined T-slot and fits with the machine tool table in the horizontal direction; the outer side surface in the vertical direction of one side of the machine tool table is a sliding reference surface, and the inner side surface in the vertical direction of the L-shaped bend on the side edge of the base plate of the target fixing component fits with the sliding reference surface.

3. The split type special-shaped gasket tightening device capable of simultaneously pressing and positioning in both horizontal and vertical directions as claimed in claim 1 or 2, characterized in that: The bottom plate of the target fixed component is the bottom plate of a movable headstock, tailstock or center support frame of a machine tool.

4. The split type special-shaped gasket tightening device capable of simultaneously pressing and positioning in both horizontal and vertical directions as claimed in claim 1 or 2, characterized in that: The fixing bolt is a T-bolt; the tail of the fixing bolt is a T-block; the T-block at the tail of the fixing bolt is stuck in the oblique T-slot of the machine tool table; the head of the fixing bolt is provided with an external thread; the fastening nut is provided with an internal thread corresponding to the external thread; the fastening nut set is tightened on the head of the fixing bolt.

5. The split type special-shaped gasket fixing device capable of simultaneously pressing and positioning in both horizontal and vertical directions as claimed in claim 1 or 2, characterized in that: The head of the fixing bolt is covered with a flat washer and a fastening nut. The flat washer is tightly attached to the head of the special-shaped washer. The base plate of the target fixed component can be locked, positioned and fixedly connected with the machine tool table through the fixing bolt, flat washer and fastening nut.

6. The split type special-shaped gasket fixing device capable of simultaneously pressing and positioning in both horizontal and vertical directions as claimed in claim 5, characterized in that: An oblique T-slot is provided on the machine tool table, and an oblique U-shaped groove with the same inclination angle as the oblique T-slot of the machine tool table is opened on the front and rear sides of the bottom plate of the target fixed component; a set of fixing bolts, flat washers and fastening nuts are installed in each oblique U-shaped groove.

7. The split type special-shaped gasket fixing device capable of simultaneously pressing and positioning in both horizontal and vertical directions as claimed in claim 1 or 2, characterized in that: The special-shaped gasket is made of steel, and has an oblique through hole in the middle, which is a bolt hole.

8. The split type special-shaped gasket fixing device capable of simultaneously pressing and positioning in both horizontal and vertical directions as claimed in claim 1 or 2, characterized in that: The special-shaped washers are made of steel and are hardened.

9. The split type special-shaped gasket tightening device capable of simultaneously pressing and positioning in both horizontal and vertical directions as claimed in claim 1 or 2, characterized in that: The cross-section of the special-shaped gasket is square or circular.

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