Machine tool body of inorganic polymer mineral casting

Abstract

The utility model relates to the technical field of machine tools, and discloses an inorganic polymer mineral casting machine tool body which comprises a machine tool body and a bottom plate, driving chambers are arranged on the two sides of the machine tool body respectively, a worm and a lead screw are rotationally connected into the driving chambers respectively, one side of the lead screw is in meshed connection with the worm through a worm gear, and the other side of the lead screw is in meshed connection with the worm through a worm gear. The lead screw is connected with a limiting assembly, connecting rods are arranged on the two sides of the top end of the lathe bed body, and one side of each connecting rod is connected with the limiting assembly in a clamped mode through a groove. The guide rail fixing device has the advantages that the clamping strips at the bottom ends of the guide rails are clamped with the clamping grooves, the guide rails can be horizontally limited, horizontal displacement of the guide rails can be prevented, the two guide rails can be reinforced through the connecting rod, the integrity and stability of the two guide rails are improved, the worm gear is rotated through the worm, and the guide rails can be fixed through the worm. The lead screw can drive the limiting assembly to move so that the limiting assembly can be clamped with the groove of the connecting rod.

Description

Technical Field

[0001] The utility model relates to the technical field of machine tools, in particular to a machine tool bed made of inorganic polymer mineral castings. Background Art

[0002] The research on mineral casting composite materials has a long history. Different countries have conducted extensive research on mineral composite materials and quickly put them into application. my country's research on mineral composite materials and mineral castings began in the 1970s. At that time, they were mainly used in underground structural parts in the construction industry, such as resin drainage ditches, cable trenches and bridge structures. In the 21st century, with China's accession to the WTO, foreign companies established factories in China and began to produce mineral castings such as machine tool beds and other structural parts. The equipment bases and support structures used in machine tool machinery and energy industries officially opened the application and development of China's mineral castings in the machine tool industry. Inorganic polymer mineral casting materials are used as machine tool parts. The mechanical properties can fully meet the requirements of most machine tool beds and other structural parts. The machine tools have high dynamic stability, which is conducive to improving processing accuracy and speed and extending working life.

[0003] Its application number "CN202322417937.6" discloses a "machine tool bed for mineral castings", which "comprises a base and a fixed plate, a fixed plate is provided on the top of the base, an insert block is provided on the bottom of the fixed plate, the insert block and the fixed plate are fixedly connected, a receiving groove is provided on one side of the insert block, a first spring is provided inside the receiving groove, the first spring and the receiving groove are fixedly connected, a buckle is provided inside the receiving groove, the buckle and the receiving groove are slidably connected, a slot is provided on the top of the base, a card slot is provided on one side of the slot, and the buckle and the slot are fixed by snapping". In the utility model, the installation and disassembly of the guide rail are facilitated by the provided insert block, receiving groove, first spring, buckle, slot and card slot, thereby realizing the guide rail replacement function and reducing the cost of use. When replacing, you only need to press the buckle to retract it into the receiving groove, and then you can pull the insert block out from the inside of the slot to complete the disassembly.

[0004] However, the above method still has the following defects: the guide rail can be installed and removed through slots, plug-ins, card slots and card blocks, and can be replaced, but multiple slots and card slots need to be set up, and installation gaps need to be reserved. After installation, it is difficult to ensure the clamping force of the guide rail. The guide rail is prone to shaking due to the installation gap and has poor stability. In addition, it is difficult to pull out multiple buckles at the same time during the disassembly process, which is inconvenient to operate. Utility Model Content

[0005] The purpose of the utility model is to provide a machine tool bed of inorganic polymer mineral castings to solve the problem proposed in the above background technology that multiple slots and card slots need to be set up, installation gaps need to be reserved, and it is difficult to ensure the clamping force of the guide rail after installation.

[0006] The utility model provides the following technical solutions: a machine tool bed for inorganic polymer mineral castings, comprising a bed body and a base plate, drive chambers are provided on both sides of the bed body, a worm and a lead screw are rotatably connected inside the drive chambers, one side of the lead screw is meshed with the worm through a worm gear, the lead screw is connected to a limiting assembly, connecting rods are provided on both sides of the top of the bed body, one side of the connecting rod is engaged with the limit assembly through a groove, the two sides of the top of the bed body are engaged with a card strip through a card slot, the top of the card strip is welded with a guide rail, the guide rail is welded to the connecting rod, and the four corners of the bottom end of the bed body are respectively connected to the four corners of the top of the base plate through a support assembly.

[0007] As an optimal technical solution of the present utility model, the limiting assembly includes a threaded sleeve, a slide, a splint and a convex strip. The threaded sleeve is threadedly connected to the screw rod. The top of the threaded sleeve is fixed with a slide. The top of the slide is fixedly connected to the splint through two brackets. One side of the splint is fixed with a convex strip, and the convex strip is engaged with the groove.

[0008] As an optimal technical solution of the present invention, slide grooves are provided on both sides of the drive chamber, both sides of the slide plate are slidably connected to the slide grooves, two slideways are provided on both sides of the top of the bed body, and the bracket is slidably connected to the slideways.

[0009] As a preferred technical solution of the present invention, a rotating shaft is fixedly provided at the top end of the worm, the rotating shaft is interpenetratingly connected with the bed body, and a wrench position is provided at the top of the rotating shaft.

[0010] As a preferred technical solution of the present invention, a mounting groove is provided in the middle of the top of the bed body, and cover plates are provided on both sides of the bed body, and the cover plates are connected to the drive chamber.

[0011] As an optimal technical solution of the present invention, the support assembly includes a damping vibration isolator, a positioning plate and a support. The bottom and top ends of the damping vibration isolator are respectively fixed with a positioning plate and a support, and the positioning plate and the support are respectively connected to the base plate and the bed body.

[0012] As an optimal technical solution of the present invention, the bottom end of the positioning plate is fixedly connected to the top end of the bed body by screws, the top end of the damping vibration isolator is fixedly connected to the bottom end of the support by a screw, the screw is threadedly connected with a nut, and the top end of the support is welded to the bottom end of the bed body.

[0013] As a preferred technical solution of the present invention, a backing plate is fixedly provided on the bottom of one side of the driving chamber, and one end of the screw rod is rotatably connected to the inner wall of the backing plate.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. The machine tool bed of the inorganic polymer mineral casting can limit the horizontal position of the guide rail by engaging the clamping strip at the bottom end of the guide rail with the clamping groove, thereby preventing the guide rail from horizontal displacement. The two guide rails can be reinforced by the connecting rod, thereby improving the integrity and stability between the two guide rails. The worm rotates the worm wheel through the worm, and the lead screw can drive the limit assembly to move, so that it can be engaged with the groove of the connecting rod, thereby preventing the guide rail from vertical displacement and facilitating its fixation. At the same time, the clamping force on the connecting rod can be maintained, and the guide rail is not easy to shake and has good stability.

[0016] 2. The machine tool bed of the inorganic polymer mineral casting drives two limit assemblies in sequence through the screw, which is convenient for single-person operation. After the guide rail is fixed, the angular friction between the worm wheel and the worm can realize the self-locking of the screw, which is safe and reliable. The guide rail is not easy to loosen. The support assembly can evenly support the four corners of the bottom end of the bed body, absorb kinetic energy, and provide buffering and vibration reduction for the bed body. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural diagram of the utility model;

[0018] Figure 2 This is a schematic diagram of the explosion structure of the utility model;

[0019] Figure 3 For this utility model Figure 2 A schematic diagram of the enlarged structure at point A;

[0020] Figure 4 This is a schematic structural diagram of the limit assembly of the utility model;

[0021] Figure 5 This is a schematic structural diagram of the guide rail of the utility model;

[0022] Figure 6 This is a structural diagram of the support assembly of the utility model.

[0023] In the figure: 1. Bed body; 2. Drive chamber; 3. Cover plate; 4. Worm; 5. Screw; 6. Rotating shaft; 7. Wrench position; 8. Worm gear; 9. Limiting assembly; 901. Threaded sleeve; 902. Slide plate; 903. Bracket; 904. Clamp; 905. Raised strip; 10. Slide groove; 11. Slideway; 12. Connecting rod; 13. Groove; 14. Slot; 15. Clip; 16. Guide rail; 17. Mounting slot; 18. Support assembly; 1801. Damping isolator; 1802. Positioning plate; 1803. Screw; 1804. Screw; 1805. Support; 1806. Nut; 19. Base plate; 20. Back plate. DETAILED DESCRIPTION

[0024] The present invention will be further described below with reference to the accompanying drawings in the embodiments of the present invention.

[0025] See also Figures 1 to 6 In the embodiment of the present invention, the machine tool bed of the inorganic polymer mineral casting includes a bed body 1 and a bottom plate 19. A driving chamber 2 is provided on both sides of the bed body 1. The inside of the driving chamber 2 is rotatably connected with a worm 4 and a screw 5. One side of the screw 5 is meshed with the worm 4 through a worm gear 8. The screw 5 is connected to a limit assembly 9. Connecting rods 12 are provided on both sides of the top of the bed body 1. One side of the connecting rod 12 is engaged with the limit assembly 9 through a groove 13. The two sides of the top of the bed body 1 are engaged with a card strip 15 through a card slot 14. The card strip 15 A guide rail 16 is welded to the top of the bed body 1. By engaging the clamping strip 15 at the bottom of the guide rail 16 with the clamping groove 14, the horizontal position of the guide rail 16 can be limited to prevent the horizontal displacement of the guide rail 16. The guide rail 16 is welded to the connecting rod 12. The connecting rod 12 can reinforce the two guide rails 16, thereby improving the integrity and stability between the two guide rails 16. The four corners of the bottom end of the bed body 1 are respectively connected to the four corners of the top of the bottom plate 19 through the support assembly 18. The four corners of the bottom end of the bed body 1 can be evenly supported by the support assembly 18;

[0026] In this embodiment, preferably, the limiting assembly 9 includes a threaded sleeve 901, a slide 902, a clamping plate 904 and a ridge 905. The threaded sleeve 901 is threadedly connected to the screw rod 5. The top of the threaded sleeve 901 is fixedly provided with a slide 902. The top of the slide 902 is fixedly connected to the clamping plate 904 through two brackets 903. One side of the clamping plate 904 is fixedly provided with a ridge 905. The ridge 905 is engaged with the groove 13. The threaded sleeve 901 can convert the rotational motion of the screw rod 5 into the linear motion of the slide 902. The slide 902 can drive the clamping plate 904 to move through the bracket 903, and the ridge 905 can be pushed into the interior of the groove 13.

[0027] In this embodiment, preferably, both sides of the drive chamber 2 are provided with a slide groove 10, both sides of the slide plate 902 are slidably connected to the slide groove 10, and both sides of the top of the bed body 1 are provided with two slideways 11, and the bracket 903 is slidably connected to the slideway 11. The slide groove 10 and the slideway 11 can guide the slide plate 902 and the bracket 903 respectively, so as to maintain the stability of the slide plate 902 and the bracket 903;

[0028] In this embodiment, preferably, a rotating shaft 6 is fixed to the top of the worm 4, and the rotating shaft 6 is connected to the bed body 1 through an interlaced manner. A wrench position 7 is provided on the top of the rotating shaft 6, and the rotating shaft 6 is easily rotated by the wrench position 7 to drive the worm 4 to rotate;

[0029] In this embodiment, preferably, a mounting groove 17 is provided in the middle of the top of the bed body 1, through which the slide of the bed body 1 can be installed. Cover plates 3 are provided on both sides of the bed body 1, and the cover plates 3 are connected to the drive chamber 2. The cover plates 3 can provide protection for the interior of the drive chamber 2;

[0030] In this embodiment, preferably, the support assembly 18 includes a damping vibration isolator 1801, a positioning plate 1802 and a support 1805. The bottom end and the top end of the damping vibration isolator 1801 are respectively fixed with a positioning plate 1802 and a support 1805. The positioning plate 1802 and the support 1805 are respectively connected to the bottom plate 19 and the bed body 1. The damping vibration isolator 1801 can support the bottom end of the bed body 1 through the support 1805, absorb kinetic energy, provide buffering and vibration reduction for the bed body 1, and improve the stability and anti-shake ability of the bed body 1.

[0031] In this embodiment, preferably, the bottom end of the positioning plate 1802 is fixedly connected to the top end of the bed body 1 by a screw 1803, the top end of the damping vibration isolator 1801 is fixedly connected to the bottom end of the support 1805 by a screw 1804, the screw 1804 is threadedly connected with a nut 1806, the top end of the support 1805 is welded to the bottom end of the bed body 1, and the screw 1804 and the screw 1803 are used to facilitate the installation and removal of the damping vibration isolator 1801;

[0032] In this embodiment, preferably, a back plate 20 is fixedly provided at the bottom of one side of the driving chamber 2, and one end of the screw rod 5 is rotatably connected to the inner wall of the back plate 20. The back plate 20 can support one end of the screw rod 5, thereby maintaining the stability of the screw rod 5.

[0033] When in use, first engage the card strip 15 at the bottom end of the guide rail 16 with the card slot 14, then rotate the worm 4 through the wrench position 7, and the worm 4 drives the screw rod 5 to rotate through the worm gear 8. The screw rod 5 converts the rotational motion into the linear motion of the slide plate 902 through the threaded sleeve 901 of the limit assembly 9, which can control the clamping plate 904 to clamp the connecting rod 12 and push the convex strip 905 into the inside of the groove 13 to prevent the guide rail 16 from vertical displacement. The installation of the guide rail 16 is completed. After installation, the angular friction between the worm gear 8 and the worm 4 can realize the self-locking of the screw rod 5, which is safe and reliable, and the guide rail 16 is not easy to loosen.

[0034] The staff installs the slide of the bed body 1 through the installation groove 17, and the guide rail 16 can guide the slide. During operation, the damping vibration isolator 1801 of the support assembly 18 can support the bottom end of the bed body 1 through the support 1805, and can absorb kinetic energy and provide buffering and vibration reduction for the bed body 1, which can improve the stability and anti-shake ability of the bed body 1. Since the bottom and top ends of the damping vibration isolator 1801 are fixed by screws 1803 and screws 1804 respectively, the damping vibration isolator 1801 can be installed and replaced. When the guide rail 16 needs to be removed and replaced, the staff rotates the worm 4 in the opposite direction through the wrench position 7 to separate the protrusion 905 from the groove 13, and then vertically lifts the guide rail 16, and takes out the card bar 15 from the card slot 14 to complete the disassembly of the guide rail 16.

[0035] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A machine tool bed for inorganic polymer mineral castings, comprising a bed body (1) and a base plate (19), characterized in that: A driving chamber (2) is provided on both sides of the bed body (1), and a worm (4) and a lead screw (5) are rotatably connected inside the driving chamber (2). One side of the lead screw (5) is meshed with the worm (4) through a worm wheel (8), and the lead screw (5) is connected to a limit assembly (9). Connecting rods (12) are provided on both sides of the top of the bed body (1), and one side of the connecting rod (12) is engaged with the limit assembly (9) through a groove (13). The two sides of the top of the bed body (1) are engaged with a clamping strip (15) through a clamping groove (14). A guide rail (16) is welded to the top of the clamping strip (15), and the guide rail (16) is welded to the connecting rod (12). The four corners of the bottom end of the bed body (1) are respectively connected to the four corners of the top end of the bottom plate (19) through a support assembly (18).

2. The machine tool bed of the inorganic polymer mineral casting according to claim 1, characterized in that: The limiting assembly (9) comprises a threaded sleeve (901), a slide plate (902), a clamping plate (904) and a convex strip (905); the threaded sleeve (901) is threadedly connected to the screw rod (5); the top of the threaded sleeve (901) is fixedly provided with a slide plate (902); the top of the slide plate (902) is fixedly connected to the clamping plate (904) via two brackets (903); one side of the clamping plate (904) is fixedly provided with a convex strip (905); the convex strip (905) is engaged with the groove (13).

3. The machine tool bed of the inorganic polymer mineral casting according to claim 2, characterized in that: Both sides of the drive chamber (2) are provided with slide grooves (10), both sides of the slide plate (902) are slidably connected to the slide grooves (10), and both sides of the top of the bed body (1) are provided with two slideways (11), and the bracket (903) is slidably connected to the slideways (11).

4. The machine tool bed of the inorganic polymer mineral casting according to claim 1, characterized in that: A rotating shaft (6) is fixedly provided at the top end of the worm (4), the rotating shaft (6) is interpenetratingly connected to the bed body (1), and a wrench position (7) is provided at the top end of the rotating shaft (6).

5. The machine tool bed of the inorganic polymer mineral casting according to claim 1, characterized in that: A mounting groove (17) is provided in the middle of the top of the bed body (1), and cover plates (3) are provided on both sides of the bed body (1), and the cover plates (3) are connected to the drive chamber (2).

6. The machine tool bed of the inorganic polymer mineral casting according to claim 1, characterized in that: The support assembly (18) comprises a damping vibration isolator (1801), a positioning plate (1802) and a support (1805), wherein the bottom end and the top end of the damping vibration isolator (1801) are respectively fixed with the positioning plate (1802) and the support (1805), and the positioning plate (1802) and the support (1805) are respectively connected to the bottom plate (19) and the bed body (1).

7. The machine tool bed of the inorganic polymer mineral casting according to claim 6, characterized in that: The bottom end of the positioning plate (1802) is fixedly connected to the top end of the bed body (1) via a screw (1803), the top end of the damping vibration isolator (1801) is fixedly connected to the bottom end of the support (1805) via a screw (1804), the screw (1804) is threadedly connected to a nut (1806), and the top end of the support (1805) is welded to the bottom end of the bed body (1).

8. The machine tool bed of the inorganic polymer mineral casting according to claim 1, characterized in that: A support plate (20) is fixedly provided at the bottom of one side of the driving chamber (2), and one end of the screw rod (5) is rotatably connected to the inner wall of the support plate (20).

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