High-temperature-resistant and high-pressure-resistant precision casting for machine tool

Abstract

The utility model relates to the related technical field of precision casting, in particular to a high-temperature-resistant and high-pressure-resistant precision casting for a machine tool, which comprises a box body, one side of the box body is fixedly connected with a reinforcing rib, one side of the inner wall of the box body is fixedly connected with a reinforcing rib, and the other side of the box body is provided with a cooling mechanism. In order to ensure that an installation environment is clean, dry and free of sundries and dust, appearance inspection is carried out on a casting to confirm that no damage is caused in the transportation process, a small-sized press machine or a special tool can be used for assisting in installation, pressure needs to be controlled, damage to a connecting bearing is avoided, and when a rear connecting bearing is installed, the coaxiality of the rear connecting bearing and a front connecting bearing needs to be ensured. In the installation process, the accuracy and reliability of connection with other transmission parts need to be paid attention to, after all the parts are installed, the installation position of the whole casting on the machine tool is checked and adjusted finally, and the machining precision of the machine tool is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the related technical field of precision casting especially relates to a high temperature and high pressure resistant precision casting for machine tool. BACKGROUND

[0002] In modern machine tool manufacturing, in order to meet the processing demand of high precision and high efficiency, various parts of the machine tool need to maintain stable performance under high temperature and high pressure and other harsh conditions, and the high temperature and high pressure resistant precision casting as the key basic part of the machine tool plays a vital role in ensuring the overall performance, machining precision and reliability of the machine tool, and in some special processing fields such as aerospace, automobile manufacturing, energy and other industries, the machine tool needs to process high-strength and high-hardness materials, and a large amount of heat will be generated during the processing, and the cutting force between the tool and the workpiece will also make the machine tool parts bear high pressure, therefore, a high temperature and high pressure resistant precision casting for machine tool is particularly needed.

[0003] But the existing precision casting, in the process of using, because the precision casting inside does not have corresponding adjusting mechanism, thereby in the process of using, under high temperature environment, material strength can appear the problem such as sharp drop, deformation, influence machine tool's normal operation and service life, ordinary precision casting is not fully considered when designing and manufacturing the stress situation under high pressure, its structure and material strength are difficult to bear the high pressure generated when the machine tool runs, and it is easy to appear crack, breakage and other damage phenomena, leading to machine tool failure, affecting the machining accuracy of the machine tool. UTILITY MODEL CONTENTS

[0004] The utility model discloses a high temperature and high pressure resistant precision casting for machine tool, to solve the problem that the existing precision casting in the prior art is used, because the precision casting inside does not have corresponding adjusting mechanism, thereby in the process of using, under high temperature environment, material strength can appear the problem such as sharp drop, deformation, influence machine tool's normal operation and service life, ordinary precision casting is not fully considered when designing and manufacturing the stress situation under high pressure, its structure and material strength are difficult to bear the high pressure generated when the machine tool runs, and it is easy to appear crack, breakage and other damage phenomena, leading to machine tool failure, affecting the machining accuracy of the machine tool.

[0005] To achieve the above object, the utility model provides the following technical scheme: a high temperature and high pressure resistant precision casting for machine tool, including the box, the one side of box is connected with the reinforcing rib, the one side of box inner wall is connected with the reinforcing rib, the other side of box is provided with cooling mechanism;

[0006] The cooling mechanism includes a bearing seat, a cooling groove, a fixed block, a connecting pipe, a first mounting hole, an embedded block, a connecting bearing, a transmission shaft, a spline shaft and a connecting pile, one side of the box body is fixedly connected with the bearing seat, the bearing seat is internally provided with the cooling groove, one side of the bearing seat is fixedly connected with the fixed block, the inner side surface of the fixed block is fixedly connected with the connecting pipe, one end of the bearing seat is provided with the first mounting hole, the other end of the bearing seat is embeddedly connected with the embedded block, the inner side surface of the embedded block is fixedly connected with the connecting bearing, the inner side surface of the connecting bearing is fixedly connected with the transmission shaft, one end of the transmission shaft is embeddedly connected with the spline shaft, and one end of the spline shaft is fixedly connected with the connecting pile.

[0007] Preferably, the cooling groove is spirally arranged, and the fixed block is fixedly connected with the box body.

[0008] Preferably, the connecting bearing is fixedly connected with the first mounting hole, and the connecting pile is embeddedly connected with the transmission shaft.

[0009] Preferably, the reinforcing ribs and the reinforcing ribs are fixedly connected with the bearing seat.

[0010] Preferably, one end of the connecting pile is provided with a mounting groove, one side of the surface of the spline shaft is embeddedly connected with a gear, and one end of the gear is provided with a second mounting hole.

[0011] Preferably, one end of the transmission shaft is provided with a concave structure matched with the size of the connecting pile, and one side of the surface of the gear is provided with a weight-reducing hole.

[0012] Preferably, the surface of the gear is made of a titanium nitride coating.

[0013] Compared with the prior art, the high-temperature and high-pressure precision casting for machine tools has the advantages that the corresponding cooling mechanism is arranged in the interior, the cooling groove is arranged in the using process, the pumping device with cooling liquid arranged outside can deliver the cooling liquid to the channels to timely take away the heat generated by the connecting bearing and the heat transmitted by the transmission shaft, the low-temperature environment of the bearing seat is maintained, the normal work of the connecting bearing and the rotation precision of the transmission shaft are ensured, and the machining precision of the machine tool is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a side view appearance structure schematic view of the utility model;

[0015] Figure 2 It is a part cooling mechanism structure schematic view of the utility model;

[0016] Figure 3 It is a part cooling mechanism structure schematic view of the utility model; Figure 2 It is an enlarged structure schematic view of A in the utility model;

[0017] Figure 4 It is the schematic diagram of mutual cooperation structure of part bearing seat and fixed block of the utility model;

[0018] Figure 5 It is the schematic diagram of mutual cooperation structure of part box and reinforcing rib of the utility model.

[0019] In the drawing: 1, box; 2, reinforcing rib; 3, reinforcing rib; 4, cooling mechanism; 401, bearing seat; 402, cooling groove; 403, fixed block; 404, connecting pipe; 405, first mounting hole; 406, fitting block; 407, connecting bearing; 408, transmission shaft; 409, spline shaft; 410, connecting pile; 411, mounting groove; 412, gear; 413, second mounting hole. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] Please refer to Figures 1-5 The utility model provides a kind of technical scheme: a kind of high-temperature and high-pressure resistant precision casting for machine tool, including box 1, the side of box 1 is fixedly connected with reinforcing rib 2, the side of the inner wall of box 1 is fixedly connected with reinforcing rib 3, the other side of box 1 is provided with cooling mechanism 4;

[0022] The cooling mechanism 4 comprises a bearing seat 401, a cooling groove 402, a fixing block 403, a connecting pipe 404, a first mounting hole 405, an embedded block 406, a connecting bearing 407, a transmission shaft 408, a spline shaft 409 and a connecting pile 410. The bearing seat 401 is fixedly connected to one side of the box body 1. The cooling groove 402 is arranged in the bearing seat 401. The fixing block 403 is fixedly connected to one side of the bearing seat 401. The connecting pipe 404 is fixedly connected to the inner side surface of the fixing block 403. The first mounting hole 405 is arranged at one end of the bearing seat 401. The embedded block 406 is embeddedly connected to the other end of the bearing seat 401. The connecting bearing 407 is fixedly connected to the inner side surface of the embedded block 406. The transmission shaft 408 is fixedly connected to the inner side surface of the connecting bearing 407. The spline shaft 409 is embeddedly connected to one end of the transmission shaft 408. The connecting pile 410 is fixedly connected to one end of the spline shaft 409. During use, before installation, it is ensured that the installation environment is clean and dry, free of sundries and dust. The appearance of the casting is checked to confirm that there is no damage caused by transportation, such as knocking and scratching. Other machine tool parts cooperating with the casting for installation, such as the connecting bearing 407, the transmission shaft 408 and the gear 412, are checked to ensure that their dimensional accuracy and surface quality meet the design requirements and are free of damage. During installation, special installation tools are used. According to the design requirements, the connecting bearing 407 of the corresponding specification and model is prepared. The connecting bearing 407 is gently placed into the bearing seat 401 to ensure that the connecting bearing 407 is tightly and gaplessly matched with the bearing seat 401. A small-sized press or a special tooling is used to assist installation, but attention should be paid to controlling the pressure to avoid damaging the connecting bearing 407. After installation, the coaxiality of the connecting bearing 407 with the front connecting bearing 407 is ensured. In addition to ensuring the coaxiality with other bearing seats 401, attention should be paid to the accuracy of the installation position, because it has an important influence on the rigidity and anti-deformation capacity of the transmission shaft 408. During installation, the measuring tool is used for calibration multiple times.

[0023] Further, the cooling groove 402 is arranged in a spiral shape. The fixing block 403 is fixedly connected to the box body 1. Through the arrangement of the spiral-shaped cooling groove 402, the external cooling liquid pumping device can deliver the cooling liquid to the channels to flow, so as to timely take away the heat generated by the operation of the connecting bearing 407 and the heat transmitted by the transmission shaft 408, maintain the low-temperature environment of the bearing seat 401, ensure the normal work of the connecting bearing 407 and the rotation accuracy of the transmission shaft 408, and through the arrangement of the fixing block 403 and the box body 1, the connecting pipe 404 can stably deliver the cooling liquid delivered by the external cooling liquid pumping device, which is beneficial to the heat dissipation effect of the device.

[0024] Further, the connecting bearing 407 is fixedly connected with the first mounting hole 405, and the connecting pile 410 is embeddedly connected with the transmission shaft 408. Through the arrangement of the connecting bearing 407 and the first mounting hole 405, the connection between the connecting bearing 407 and the bearing seat 401 is more stable, thereby improving the stability of the device. Through the arrangement of the connecting pile 410 and the transmission shaft 408, the connection between the transmission shaft 408 and the spline shaft 409 is more stable, and the transmission shaft 408 and the spline shaft 409 can be coaxially rotated, thereby improving the operation efficiency of the device.

[0025] Further, the reinforcing ribs 2 and the reinforcing ribs 3 are fixedly connected with the bearing seat 401. Through the arrangement of the reinforcing ribs 2 and the reinforcing ribs 3 and the bearing seat 401, the distribution of the reinforcing ribs 2 and the reinforcing ribs 3 can effectively disperse and bear the stress generated by the rotation and cutting force transmission of the transmission shaft 408 and the spline shaft 409, thereby improving the rigidity and stability of the box body 1 as a whole.

[0026] Further, one end of the connecting pile 410 is provided with a mounting groove 411, one side of the surface of the spline shaft 409 is embeddedly connected with a gear 412, and one end of the gear 412 is provided with a second mounting hole 413. In the use process, when the gear 412 is installed on the corresponding transmission shaft 408, attention should be paid to whether the modulus, the number of teeth and the key groove of the gear 412 match the spline shaft 409. If the gear 412 is installed on the upper part or the side of the box body 1, attention should be paid to the connection accuracy and reliability of other transmission components during the installation process. After the installation of each component is completed, the installation position of the entire casting on the machine tool is finally checked and adjusted.

[0027] Further, one end of the transmission shaft 408 is provided with an inner recess structure matching the size of the connecting pile 410, and one side of the surface of the gear 412 is provided with a lightening hole. Through the arrangement of the transmission shaft 408 and the connecting pile 410, the transmission shaft 408 can be smoothly embeddedly connected with the spline shaft 409, thereby facilitating the stable connection between the transmission shaft 408 and the spline shaft 409. Through the arrangement of the lightening hole on one side of the surface of the gear 412, part of the material is removed to reduce the weight of the gear 412 under the premise of ensuring the strength and performance of the gear 412, which is helpful for the dynamic balance of the gear 412 during high-speed rotation, increases the contact area between the gear 412 and the surrounding medium, and is conducive to the heat dissipation of the gear 412.

[0028] Further, the material of the surface of the gear 412 is titanium nitride coating, through the setting of the titanium nitride coating on the surface of the gear 412, the titanium nitride has very high hardness, which is much higher than that of ordinary steel material, when being used as the surface coating of the gear 412, the wear resistance of the gear 412 can be significantly improved, effectively resisting the wear caused by friction during the meshing of the gear 412, greatly prolonging the service life of the gear, at the same time, the titanium nitride coating has good lubricity, which can effectively reduce the friction coefficient of the surface of the gear 412, helping to reduce the working temperature of the gear 412, improving its reliability and stability.

[0029] Working principle: during use, before installation, ensure that the installation environment is clean, dry, free of sundries and dust, and the appearance of the casting is checked to confirm that there is no damage caused by transportation, such as bumps and scratches, other machine tool parts that cooperate with the casting during installation are checked, such as the connecting bearing 407, the transmission shaft 408, the gear 412, etc., to ensure that the dimensional accuracy and surface quality meet the design requirements, and there is no damage, during installation, special installation tools can be used, according to the design requirements, the connecting bearing 407 of the corresponding specification and model is prepared, the connecting bearing 407 is gently placed into the bearing seat 401, to ensure that the connecting bearing 407 is tightly matched with the bearing seat 401 without gap, a small press or special tooling can be used to assist installation, but attention should be paid to control the pressure to avoid damaging the connecting bearing 407, after installation, the coaxiality of the connecting bearing 407 is ensured, in addition to ensuring the coaxiality with other bearing seats 401, attention should also be paid to the accuracy of its installation position, because it has an important influence on the rigidity and anti-deformation ability of the transmission shaft 408, during installation, measuring tools can be used multiple times for calibration, when the gear 412 is installed on the corresponding transmission shaft 408, attention should be paid to whether the modulus, tooth number and keyway of the gear 412 match the spline shaft 409, if the gear 412 is installed on the upper part or side of the box 1, attention should be paid to the connection accuracy and reliability of other transmission parts during installation, after the installation of each part is completed, the final inspection and adjustment of the installation position of the entire casting on the machine tool is carried out, greatly improving the machining accuracy of the machine tool.

[0030] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A high-temperature and high-pressure resistant precision casting for machine tools, comprising a housing (1), characterized in that: A reinforcing rib (2) is fixedly connected to one side of the box (1), a reinforcing rib (3) is fixedly connected to one side of the inner wall of the box (1), and a cooling mechanism (4) is provided on the other side of the box (1). The cooling mechanism (4) includes a bearing seat (401), a cooling groove (402), a fixing block (403), a connecting pipe (404), a first mounting hole (405), a fitting block (406), a connecting bearing (407), a drive shaft (408), a splined shaft (409), and a connecting pin (410). A bearing seat (401) is fixedly connected to one side of the housing (1). A cooling groove (402) is provided inside the bearing seat (401). A fixing block (403) is fixedly connected to one side of the bearing seat (401). A connecting pipe (404) is fixedly connected to the inner surface of the bearing housing (401). A first mounting hole (405) is opened at one end of the bearing housing (401). A fitting block (406) is fitted to the other end of the bearing housing (401). A connecting bearing (407) is fixedly connected to the inner surface of the fitting block (406). A drive shaft (408) is fixedly connected to the inner surface of the connecting bearing (407). A spline shaft (409) is fitted to one end of the drive shaft (408). A connecting pin (410) is fixedly connected to one end of the spline shaft (409).

2. The high-temperature and high-pressure resistant precision casting for machine tools according to claim 1, characterized in that: The cooling tank (402) is spirally arranged, and the fixing block (403) is fixedly connected to the box body (1).

3. A high-temperature and high-pressure resistant precision casting for machine tools according to claim 1, characterized in that: The connecting bearing (407) is fixedly connected to the first mounting hole (405), and the connecting pile (410) is fitted and connected to the transmission shaft (408).

4. A high-temperature and high-pressure resistant precision casting for machine tools according to claim 1, characterized in that: The reinforcing ribs (2) and reinforcing bars (3) are fixedly connected to the bearing housing (401).

5. A high-temperature and high-pressure resistant precision casting for machine tools according to claim 1, characterized in that: One end of the connecting pile (410) is provided with an installation groove (411), and a gear (412) is fitted and connected to one side of the surface of the spline shaft (409). One end of the gear (412) is provided with a second installation hole (413).

6. A high-temperature and high-pressure resistant precision casting for machine tools according to claim 5, characterized in that: One end of the drive shaft (408) is provided with a concave structure that matches the size of the connecting pile (410), and a weight-reducing hole is provided on one side of the surface of the gear (412).

7. A high-temperature and high-pressure resistant precision casting for machine tools according to claim 5, characterized in that: The surface of the gear (412) is made of titanium nitride coating.

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