Internal grinding machine with high-rigidity structure

Abstract

The utility model discloses an internal grinding machine with a high-rigidity structure, which belongs to the technical field of grinding machines and comprises a machine tool and a hydraulic cylinder fixedly mounted at one end of the machine tool, a supporting seat is fixedly mounted in the middle of the top of the machine tool, and the top of the supporting seat is movably connected with a mounting seat. An output shaft of the hydraulic cylinder penetrates to the other end of the machine tool, the periphery, located on the inner side of the machine tool, of the output shaft of the hydraulic cylinder is fixedly connected with a synchronous follow-up connecting piece, the two sides of the supporting base are provided with a tailstock saddle and an inner hole grinding spindle saddle correspondingly, and the tailstock saddle and the inner hole grinding spindle saddle are both located at the top of the machine tool. A stable and high-strength grinding mechanism can be formed under the combined action of the double-support rigid grinding rod, the chuck and the support center, and the problems that a traditional internal grinding machine is poor in grinding stability and low in grinding efficiency are solved under the cooperation of the support tailstock and the spindle motor.

Description

Technical Field

[0001] The utility model relates to the technical field of grinding machines, and more specifically to an internal grinding machine with a high-rigidity structure. Background Art

[0002] Internal grinding machine is a machine tool used to grind the inner hole surface and end surface of cylindrical, conical or other shapes. It is mainly used for grinding the inner hole and end surface of basin gear and large bearing ring parts to ensure the accuracy of the inner hole and end surface.

[0003] Based on the above, the inventors found that during the use of the existing internal cylindrical grinder, one end of the grinding rod is usually installed on the output shaft of the driving motor, and then the end with the grinding head is extended into the inner hole of the workpiece to grind its side wall. Since only one end of the grinding rod is fixed, the grinding rod will shake when rotating at high speed, resulting in poor grinding stability, resulting in different sizes of the inner holes of the workpiece, reducing the processing accuracy of the workpiece and affecting its grinding efficiency. Therefore, in view of this, the existing structure is studied and improved, and an internal cylindrical grinder with a high rigidity structure is provided, in order to achieve the purpose of having more practical value. Utility Model Content

[0004] 1. Technical problems to be solved

[0005] In view of the problems existing in the prior art, the purpose of the utility model is to provide an internal cylindrical grinder with a high rigidity structure, which can form a stable and high-strength grinding mechanism under the joint action of double-supported rigid grinding rods, a chuck and a supporting top center, and with the cooperation of the supporting tailstock and the spindle motor, solves the problems of poor grinding stability and low grinding efficiency of traditional internal cylindrical grinders.

[0006] 2. Technical solution

[0007] To solve the above problems, the utility model adopts the following technical solutions.

[0008] The invention relates to an internal cylindrical grinding machine with a high rigidity structure, comprising a machine tool and a hydraulic cylinder fixedly mounted on one end of the machine tool, a supporting seat being fixedly mounted at the middle position on the top of the machine tool, a mounting seat being movably connected to the top of the supporting seat, an output shaft of the hydraulic cylinder passing through the other end of the machine tool, an outer periphery of the output shaft of the hydraulic cylinder being located on the inner side of the machine tool and being fixedly connected with a synchronous follower connecting piece, a tailstock saddle and an inner hole grinding spindle saddle being respectively arranged on two sides of the supporting seat, and the tailstock saddle and the inner hole grinding spindle saddle being both located on the top of the machine tool, connecting rods being fixedly connected between the tops of both ends of the synchronous follower connecting piece and the bottoms of the tailstock saddle and the inner hole grinding spindle saddle respectively, a supporting tailstock being mounted on the top of the tailstock saddle, a supporting top center being mounted on the supporting tailstock, a spindle motor being mounted on the top of the inner hole grinding spindle saddle, and a double-support rigid grinding rod being fixedly connected to the output end of the spindle motor through a chuck.

[0009] Furthermore, two symmetrically arranged guide rails are provided on both sides of the support seat, and the bottom of the guide rails is fixedly connected to the top of the machine tool. The outer periphery of the guide rails is slidably connected with an inductive positioning slider, and the bottom of the tailstock saddle and the inner hole grinding spindle saddle are respectively fixedly connected to the top of the corresponding inductive positioning slider.

[0010] Furthermore, a guide hole is provided on the top of the machine tool at a position corresponding to the connecting rod, and a side wall of the guide hole is slidably connected to the outer periphery of the corresponding connecting rod.

[0011] Furthermore, a through hole is provided on one side of the mounting seat, a chuck is installed on the side of the mounting seat close to the spindle motor, and a workpiece is installed on the chuck.

[0012] Furthermore, the support top center, the double-support rigid grinding rod, the through hole and the workpiece are all on the same axial line.

[0013] Furthermore, the double-support rigid grinding rod includes a clamping handle fixedly mounted on a chuck, one end of the clamping handle is fixedly connected to a grinding head, and one side of the grinding head is fixedly connected to a front end support block.

[0014] Furthermore, two linear slide rails are installed on the top of the support seat, and the top of the linear slide rails is fixedly connected to the bottom of the mounting seat.

[0015] 3. Beneficial effects

[0016] Compared with the prior art, the advantages of the present invention are:

[0017] (1) This scheme forms a stable and high-strength grinding mechanism through the joint action of the double-supported rigid grinding rod, the chuck and the supporting top center. At the same time, the motion mechanism composed of the induction positioning slider, the tailstock saddle, the inner hole grinding spindle saddle, the synchronous follow-up connecting piece and the hydraulic cylinder is used to realize the synchronous movement of the double-supported rigid grinding rod and the supporting top center. With the cooperation of the supporting tailstock and the spindle motor, the grinding of the inner hole side wall of the workpiece is completed. The overall structure is stable, the grinding accuracy is significantly improved, and the grinding efficiency is greatly improved.

[0018] (2) This solution, through the setting of a double-supported rigid grinding rod, sets a clamping handle and a front end support block at both ends of the grinding head. The clamping handle is fixed to the chuck, and the front end support block is supported by the support top center, so that both ends of the grinding head are subjected to a certain support force. When grinding the inner hole of the workpiece, it can avoid the phenomenon of poor inner hole grinding accuracy caused by the swing of the grinding head, thereby greatly improving its grinding stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a front view structural schematic diagram of the utility model;

[0021] Figure 3 It is a schematic diagram of the machine tool position structure of the utility model;

[0022] Figure 4 This is a schematic diagram of the spindle motor position structure of the utility model;

[0023] Figure 5 This is a schematic diagram of the tailstock support position structure of the utility model;

[0024] Figure 6 It is a schematic diagram of the support seat position structure of the utility model.

[0025] Description of the numbers in the figure:

[0026] 1. Machine tools;

[0027] 2. Hydraulic cylinder;

[0028] 3. Support seat;

[0029] 4. Mounting seat;

[0030] 5. Synchronous follower connector; 501. Connecting rod;

[0031] 6. Tail saddle;

[0032] 7. Inner hole grinding spindle saddle;

[0033] 8. Support tailstock;

[0034] 9. Support the top center;

[0035] 10. Spindle motor;

[0036] 11. Chuck;

[0037] 12. Double-supported rigid grinding rod; 1201. Clamping handle; 1202. Grinding head; 1203. Front end support block;

[0038] 13. Guide rails;

[0039] 14. Induction positioning slider;

[0040] 15. Through hole;

[0041] 16. Chuck;

[0042] 17. Workpiece;

[0043] 18. Linear slides. DETAILED DESCRIPTION

[0044] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model; it is obvious that the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the utility model without making creative work are within the scope of protection of the utility model.

[0045] Example:

[0046] See also Figure 1-6A high-rigidity internal grinding machine comprises a machine tool 1 and a hydraulic cylinder 2 fixedly mounted at one end of the machine tool 1, a support seat 3 is fixedly mounted at the middle position of the top of the machine tool 1, a mounting seat 4 is movably connected to the top of the support seat 3, an output shaft of the hydraulic cylinder 2 passes through the other end of the machine tool 1, the output shaft of the hydraulic cylinder 2 is located at the outer periphery of the inner side of the machine tool 1 and is fixedly connected to a synchronous follower connector 5, a tailstock saddle 6 and an inner hole grinding spindle saddle 7 are respectively arranged on both sides of the support seat 3, and the tailstock saddle 6 and the inner hole grinding spindle saddle 7 are both located at the top of the machine tool 1, and the tops of both ends of the synchronous follower connector 5 are respectively connected to the bottoms of the tailstock saddle 6 and the inner hole grinding spindle saddle 7 A connecting rod 501 is fixedly connected between them, a supporting tailstock 8 is installed on the top of the tailstock saddle 6, a supporting top center 9 is arranged on the supporting tailstock 8, a spindle motor 10 is installed on the top of the inner hole grinding spindle saddle 7, and the output end of the spindle motor 10 is fixedly connected to a double-supported rigid grinding rod 12 through a chuck 11. When in use, by adjusting the position of the tailstock saddle 6, the supporting top center 9 and the double-supported rigid grinding rod 12 are tightened and fixed to form a grinding support system, which plays a role in strengthening the center of the grinding rod to maintain its consistency and strength. When the supporting top center 9 and the double-supported rigid grinding rod 12 pass through and are located in the middle of the workpiece 17, the synchronous follow-up connecting piece 5 is fixed.

[0047] See also Figure 2 Two symmetrically arranged guide rails 13 are provided on both sides of the support seat 3, and the bottom of the guide rail 13 is fixedly connected to the top of the machine tool 1, the outer periphery of the guide rail 13 is slidably connected with an inductive positioning slider 14, and the bottom of the tailstock saddle 6 and the inner hole grinding spindle saddle 7 are respectively fixedly connected to the top of the corresponding inductive positioning slider 14.

[0048] See also Figure 3 A guide hole is provided at the top of the machine tool 1 at a position corresponding to the connecting rod 501 , and a side wall of the guide hole is slidably connected to the outer periphery of the corresponding connecting rod 501 .

[0049] See also Figure 1 and Figure 3 A through hole 15 is opened on one side of the mounting seat 4 , and a chuck 16 is installed on the side of the mounting seat 4 close to the spindle motor 10 , and a workpiece 17 is installed on the chuck 16 .

[0050] See also Figure 1 and Figure 2 The supporting top center 9, the double-supported rigid grinding rod 12, the through hole 15 and the workpiece 17 are all on the same axis.

[0051] See also Figure 4The double-supported rigid grinding rod 12 includes a clamping handle 1201 fixedly mounted on the chuck 11, one end of the clamping handle 1201 is fixedly connected to a grinding head 1202, and one side of the grinding head 1202 is fixedly connected to a front end support block 1203. When in use, through the setting of the front end support block 1203, the two ends of the grinding head 1202 can be supported with the cooperation of the supporting top center 9 to ensure the stability of its grinding.

[0052] See also Figure 6 Two linear slide rails 18 are installed on the top of the support seat 3, and the top of the linear slide rail 18 is fixedly connected to the bottom of the mounting seat 4.

[0053] During use: the workpiece 17 is mounted on the mounting seat 4 through the chuck 16, and then the mounting seat 4 is moved between the support top center 9 and the double-support rigid grinding rod 12, and the workpiece 17 and the through hole 15 are on the same axial line as the support top center 9 and the double-support rigid grinding rod 12. At this time, the support tailstock 8 is used to adjust the position of the support top center 9 so that its end is against the front support block 1203, and then the hydraulic cylinder 2 is started, and the output shaft of the hydraulic cylinder 2 is used, and with the cooperation of the synchronous follow-up connecting piece 5, the tailstock saddle 6 and the inner hole grinding spindle saddle 7 can move synchronously. While the tailstock saddle 6 and the inner hole grinding spindle saddle 7 move synchronously, they also drive the support top center 9 on the support tailstock 8 and the double-support rigid grinding rod 12 on the output shaft of the spindle motor 10 to move synchronously. At this time, the grinding head 1202 can stably grind the side wall of the workpiece 17 in the inner hole, which greatly improves the overall grinding efficiency.

[0054] Finally, it should be noted that in the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0055] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0056] The above is only a preferred specific implementation of the utility model; however, the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and improved ideas of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model.

Claims

1. An internal grinding machine with a high rigidity structure, comprising a machine tool (1) and a hydraulic cylinder (2) fixedly mounted on one end of the machine tool (1), characterized in that: A support seat (3) is fixedly installed at the middle position of the top of the machine tool (1), and a mounting seat (4) is movably connected to the top of the support seat (3). The output shaft of the hydraulic cylinder (2) passes through the other end of the machine tool (1), and the output shaft of the hydraulic cylinder (2) is located on the outer periphery of the inner side of the machine tool (1) and is fixedly connected to a synchronous follower connecting piece (5). A tailstock saddle (6) and an inner hole grinding spindle saddle (7) are respectively arranged on both sides of the support seat (3), and the tailstock saddle (6) and the inner hole grinding spindle saddle (7) are both located on the machine The top of the bed (1) is provided with a connecting rod (501), and the tops of both ends of the synchronous follow-up connecting member (5) are respectively fixedly connected to the bottoms of the tailstock saddle (6) and the inner hole grinding spindle saddle (7). A supporting tailstock (8) is installed on the top of the tailstock saddle (6), and a supporting top center (9) is arranged on the supporting tailstock (8). A spindle motor (10) is installed on the top of the inner hole grinding spindle saddle (7), and the output end of the spindle motor (10) is fixedly connected to a double-support rigid grinding rod (12) through a chuck (11).

2. The internal grinding machine with a high rigidity structure according to claim 1, characterized in that: Two symmetrically arranged guide rails (13) are provided on both sides of the support seat (3), and the bottom of the guide rail (13) is fixedly connected to the top of the machine tool (1), the outer periphery of the guide rail (13) is slidably connected to an inductive positioning slider (14), and the bottoms of the tailstock saddle (6) and the inner hole grinding spindle saddle (7) are respectively fixedly connected to the tops of the corresponding inductive positioning sliders (14).

3. The internal grinding machine with high rigidity structure according to claim 1, characterized in that: A guide hole is provided at the top of the machine tool (1) at a position corresponding to the connecting rod (501), and a side wall of the guide hole is slidably connected to the outer periphery of the corresponding connecting rod (501).

4. The internal grinding machine with a high rigidity structure according to claim 1, characterized in that: A through hole (15) is provided on one side of the mounting seat (4), a chuck (16) is installed on the side of the mounting seat (4) close to the spindle motor (10), and a workpiece (17) is installed on the chuck (16).

5. The internal grinding machine with high rigidity structure according to claim 1, characterized in that: The support top center (9), the double-support rigid grinding rod (12), the through hole (15) and the workpiece (17) are all on the same axis.

6. The internal grinding machine with high rigidity structure according to claim 1, characterized in that: The double-support rigid grinding rod (12) comprises a clamping handle (1201) fixedly mounted on a chuck (11), one end of the clamping handle (1201) is fixedly connected to a grinding head (1202), and one side of the grinding head (1202) is fixedly connected to a front end support block (1203).

7. The internal grinding machine with high rigidity structure according to claim 1, characterized in that: Two linear slide rails (18) are installed on the top of the support seat (3), and the top of the linear slide rail (18) is fixedly connected to the bottom of the mounting seat (4).

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