Special machine tool for machining skewed slot of zigzag labyrinth sealing component
By designing a special machine tool for machining inclined grooves in zigzag labyrinth sealing components with a steering device and a clamping device, the problems of low efficiency and poor precision in the existing technology have been solved. Stable adjustment and clamping of multi-angle machining heads have been achieved, improving machining quality and efficiency.
Patent Information
- Application Number
- CN202520365884.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-04
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-04
AI Technical Summary
Existing dedicated machine tools for machining inclined grooves in tortuous labyrinth seal components cannot efficiently machine radial inclined grooves, requiring two clamping operations, resulting in low efficiency, reduced accuracy, and high operational difficulty.
A special machine tool for machining inclined grooves of tortuous labyrinth sealing components was designed. It adopts a steering device and a clamping device. The machining head can be adjusted and stably clamped at multiple angles by a motor-driven threaded rod and a limit rod. Combined with the locking angle of the clamping block and the clamping groove, multi-directional machining can be achieved.
It improves processing efficiency, reduces errors, enhances processing quality and ease of operation, enables multi-angle processing in a single clamping, and ensures processing accuracy.
Smart Images

Figure CN223903402U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to chute processing technical field, concretely relates to a special machine tool for zigzag labyrinth seal part chute processing. BACKGROUND
[0002] The sealing part refers to the mechanical part for preventing fluid, liquid, gas and the like from leaking or entering.
[0003] The chute processing of the sealing part is a work with higher technical content, and needs to comprehensively consider factors such as equipment performance, process parameters and workpiece characteristics.
[0004] The existing special machine tool for zigzag labyrinth seal part chute processing can only process radial sealing grooves and axial sealing grooves, and cannot process radial chute type labyrinth grooves, so it is necessary to reserve the chute type labyrinth groove in numerical control machine processing, and then complete the processing by changing to ordinary lathe processing, the processing mode of twice clamping leads to low processing efficiency, great operation difficulty, and the processing is completed by twice clamping, which also has certain influence on the surface quality of the processed part, and repeated clamping is also prone to mechanical errors, leading to the decline of product precision. UTILITY MODEL CONTENT
[0005] The utility model provides a special machine tool for zigzag labyrinth seal part chute processing solves the problem raised in the above background art.
[0006] To solve the above technical problems, the technical scheme of the utility model is as follows:
[0007] The embodiment of the utility model provides a special machine tool for zigzag labyrinth seal part chute processing, which comprises: a machine base, four support columns are fixedly installed on the upper surface of the machine base, and the four support columns are divided into two groups;
[0008] A first support is fixedly installed at the top of one group of support columns, a first motor and a first limiting rod are fixedly installed on the surface of the first support, a first threaded rod is fixedly connected to the output end of the first motor, one end of the first threaded rod is rotatably connected to the first support, a limiting seat is fixedly installed at the top of the other group of support columns, and a second limiting rod is fixedly connected to the surface of the limiting seat;
[0009] A second support is slidingly connected to the surfaces of the first limiting rod and the second limiting rod, and the second support is threadedly connected to the first threaded rod, a second motor and a third limiting rod are fixedly installed on the surface of the second support, a second threaded rod is fixedly connected to the output end of the second motor, one end of the second threaded rod is rotatably connected to the second support, a moving seat is threadedly connected to the surface of the second threaded rod, the moving seat is slidingly connected to the third limiting rod, and an electric push rod is installed on the surface of the moving seat;
[0010] The turning device is arranged at the telescopic end of the electric push rod and is used for adjusting the angle of the machining head.
[0011] The clamping device is arranged on the upper surface of the base and is used for stabilizing the position of the workpiece.
[0012] Through the above technical scheme, the second support can move horizontally under the cooperation of the first motor, the first threaded rod, the first limiting rod and the second limiting rod, the moving seat can move vertically under the action of the second motor, the second threaded rod and the third limiting rod, the turning device can move up and down under the action of the electric push rod, and the clamping device can stabilize the position of the workpiece, so as to improve the machining precision, and the turning device can perform multi-angle machining work on the workpiece.
[0013] Further, the turning device comprises a support frame fixedly installed at the telescopic end of the electric push rod and provided with two rotating grooves, a driving motor fixedly installed in the support frame, a rotating rod fixedly installed at the output end of the driving motor, a first clamping block fixedly installed at one end of the rotating rod, a fixed plate fixedly installed on the surface of the support frame and rotationally connected with the rotating rod, a ball provided with a sliding groove and fixedly installed on the arc surface of the first clamping block, a first rotating frame and a second rotating frame rotationally connected with the surfaces of the two rotating grooves respectively, a first rotating block fixedly installed on the surface of the first rotating frame, a second rotating block fixedly installed on the surface of the second rotating frame, a second clamping block fixedly installed on the surface of the sliding groove, a connecting rod fixedly connected with the lower surface of the second clamping block and penetrating through the hollow portions of the first rotating frame and the second rotating frame, and a machining head installed at one end of the connecting rod.
[0014] Further, the sizes of the first clamping block and the second clamping block are matched with the size of the sliding groove provided on the ball.
[0015] Through the above technical scheme, the fixed plate can enable the rotating rod to stably rotate under the driving of the driving motor, the rotation of the first clamping block can drive the ball to rotate, the rotation of the ball can drive the second clamping block to rotate, the rotation of the second clamping block can enable the machining head to rotate, and the first rotating frame and the second rotating frame can control the machining head to perform longitudinal rotation and transverse rotation respectively through the movement of the connecting rod and the second clamping block on the sliding groove, so as to realize the rapid adjustment of the angle.
[0016] Further, the size of the first rotating frame is smaller than the size of the second rotating frame, the outer arc surface of the first rotating frame is matched with the inner arc surface of the second rotating frame, the first rotating frame and the second rotating frame are slidingly connected, and the sizes of the hollow portions of the first rotating frame and the second rotating frame are matched with the diameter of the connecting rod.
[0017] Through the technical scheme, the ball cannot fall off through the action of the fixing plate, the first clamping block, the second clamping block, the connecting rod, the first rotating frame and the second rotating frame, the connecting rod can be moved when the first rotating frame and the second rotating frame rotate, and thus the angle of the machining head can be changed.
[0018] Further, the surface of the support frame is provided with two groups of clamping grooves, the surface of the clamping groove is provided with a clamping strip, and the size of the clamping strip is matched with the spacing between the long strips on the knob.
[0019] Through the technical scheme, the angle of the machining head after adjustment can be better locked by inserting the clamping strip into the clamping groove, so that the machining head can maintain the adjusted angle for stable machining.
[0020] Further, the clamping device comprises four fixed seats fixedly installed on the upper surface of the machine base, two longitudinal fixed rods and two transverse fixed rods fixedly connected to the surface of the fixed seat, three longitudinal clamping strips slidingly connected to the surface of the longitudinal fixed rod, three transverse clamping strips slidingly connected to the surface of the transverse fixed rod, through holes formed on one side of the upper surfaces of the longitudinal clamping strips and the transverse clamping strips, two fixed seats as a group symmetrically installed on the upper surface of the machine base, limit holes formed on the surface of the two fixed seats, and an insertion rod with one end inserted into the limit hole slidingly installed at the through hole of the longitudinal clamping strip and the transverse clamping strip.
[0021] Through the technical scheme, the clamping position can be quickly and flexibly adjusted by moving the clamping strip, and the position of the adjusted clamping strip can be limited and locked by the insertion rod and the limit hole formed on the fixed seat.
[0022] Further, the installation height of the transverse fixed rod is lower than that of the longitudinal fixed rod, and the installation height of the transverse clamping strip is lower than that of the longitudinal clamping strip.
[0023] Through the technical scheme, the staggered installation of the longitudinal clamping strip and the transverse clamping strip in the vertical direction does not affect each other during position adjustment, and the clamping position can be quickly and flexibly adjusted by moving the clamping strip.
[0024] Further, the two side surfaces of the longitudinal clamping strip and the transverse clamping strip are fixedly provided with rubber pads.
[0025] Through the technical scheme, the rubber pads can protect the surface of the workpiece from damage caused by knocking and friction of the longitudinal clamping strip and the transverse clamping strip during clamping and adjustment.
[0026] The above-mentioned scheme of the utility model at least has the following beneficial effects:
[0027] 1. The utility model discloses, the processing head is rotated with the drive motor, is rotated respectively through first rotation block and second rotation block and drives first rotating frame and second rotating frame, and the rotation of first rotating frame and second rotating frame will make the angle of processing head change, at the same time, use the angle locking of card strip, thereby realize the adjustment of processing head multidirectional and the multi-angle processing of processing piece, improve work efficiency and reduce the processing error caused by the position of processing piece multiple adjustment, greatly improve the processing quality and operation convenience.
[0028] 2. The utility model discloses, remove multiple longitudinal clamping strips and multiple horizontal clamping strips, under the location of inserting rod, can make processing piece keep stable, also can carry out multidirectional clamping to multiple processing pieces simultaneously, realize the modularization of clamping, after one processing piece completes processing, can make the machine process next processing piece without interruption, save the time of multiple adjustment processing piece, improve work efficiency. ACCURACY
[0029] Figure 1 It is the whole structure schematic diagram of the utility model;
[0030] Figure 2 It is the partial structure schematic diagram of the utility model;
[0031] Figure 3 It is the three-dimensional structure schematic diagram of the utility model steering device;
[0032] Figure 4 It is the exploded structure schematic diagram of the utility model steering device;
[0033] Figure 5 It is the partial structure schematic diagram of the utility model reinforcing device.
[0034] The figure mark explains:
[0035] 1, machine base;11, support column;2, first support;21, first motor;22, first threaded rod;23, first limit rod;24, limit seat;25, second limit rod;3, second support;31, second motor;32, second threaded rod;33, third limit rod;34, moving seat;35, electric push rod;4, steering device;41, support frame;42, drive motor;43, rotating rod;44, fixed plate;45, first clamping block;46, ball;47, sliding slot;48, rotating groove;49, first rotating frame;410, first rotation block;411, second rotating frame;412, second rotation block;413, second clamping block;414, connecting rod;415, processing head;416, card slot;417, card strip;5, clamping device;51, fixed seat;52, longitudinal fixed rod;53, horizontal fixed rod;54, longitudinal clamping strip;55, horizontal clamping strip;56, limit hole;57, inserting rod;58, rubber pad. Detailed Implementation
[0036] Exemplary embodiments of the present invention will now be described in more detail with reference to the accompanying drawings. While exemplary embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this invention will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
[0037] like Figures 1 to 5 As shown, an embodiment of this utility model provides a special machine tool for machining inclined grooves of tortuous labyrinth sealing components, including: a machine base 1, and four support columns 11 fixedly installed on the upper surface of the machine base 1, the four support columns 11 being divided into two groups;
[0038] The first support 2 is fixedly installed on the top of a set of support columns 11. The surface of the first support 2 is fixedly installed with a first motor 21 and a first limiting rod 23. The output end of the first motor 21 is fixedly connected to a first threaded rod 22. One end of the first threaded rod 22 is rotatably connected to the first support 2. The top of another set of support columns 11 is fixedly installed with a limiting seat 24. The surface of the limiting seat 24 is fixedly connected with a second limiting rod 25.
[0039] The second support 3 is slidably connected to the surfaces of the first limiting rod 23 and the second limiting rod 25, and the second support 3 is threadedly connected to the first threaded rod 22. The surface of the second support 3 is fixedly mounted with the second motor 31 and the third limiting rod 33. The output end of the second motor 31 is fixedly connected to the second threaded rod 32. One end of the second threaded rod 32 is rotatably connected to the second support 3. The surface of the second threaded rod 32 is threadedly connected with the movable seat 34, and the movable seat 34 is slidably connected to the third limiting rod 33. The surface of the movable seat 34 is mounted with the electric push rod 35.
[0040] Steering device 4 is located at the telescopic end of electric push rod 35 and is used to adjust the angle of machining head 415;
[0041] The clamping device 5 is installed on the upper surface of the machine base 1 to stabilize the workpiece.
[0042] In this embodiment of the utility model, the first motor 21 drives the first threaded rod 22 to rotate. Under the limiting action of the first limiting rod 23 and the second limiting rod 25, the second support 3 can move laterally. The second motor 31 drives the second threaded rod 32 to rotate. Under the limiting action of the third limiting rod 33, the moving seat 34 can move longitudinally. The electric push rod 35 can make the steering device 4 move up and down. The workpiece is stabilized by the reinforcement device, and the workpiece can be processed at multiple angles by the steering device 4.
[0043] likeFigures 1 to 4 As shown, the steering device 4 includes a support frame 41 fixedly installed at the telescopic end of the electric push rod 35 and having two rotating slots 48. A drive motor 42 is fixedly installed inside the support frame 41. A rotating rod 43 is fixedly installed at the output end of the drive motor 42. A first locking block 45 is fixedly installed at one end of the rotating rod 43. A fixing plate 44 rotatably connected to the rotating rod 43 is fixedly installed on the surface of the support frame 41. A ball 46 with a sliding groove 47 is installed on the arc surface of the first locking block 45. The surfaces of the two rotating slots 48 are respectively rotatably connected to the first rotating rod 46. The first rotating frame 49 and the second rotating frame 411 are equipped with a first rotating block 410 fixedly mounted on the surface of the first rotating frame 49 and a second rotating block 412 fixedly mounted on the surface of the second rotating frame 411. A second locking block 413 is mounted on the surface of the slide groove 47. A connecting rod 414 passing through the hollow part of the first rotating frame 49 and the second rotating frame 411 is fixedly connected to the lower surface of the second locking block 413. A processing head 415 is mounted on one end of the connecting rod 414. The dimensions of the first locking block 45 and the second locking block 413 are adapted to the dimensions of the slide groove 47 opened on the sphere 46.
[0044] In this embodiment of the utility model, the fixed plate 44 enables the drive motor 42 to stably drive the rotating rod 43 and the first locking block 45 installed on the slide 47 to rotate. The rotation of the first locking block 45 can drive the ball 46 to rotate, and the rotation of the ball 46 can drive the second locking block 413 to rotate. The rotation of the second locking block 413 allows the processing head 415 to rotate. Through the first rotating block 410 and the second rotating block 412, the first rotating frame 49 and the second rotating frame 411 can control the processing head 415 to rotate longitudinally and laterally respectively by the movement of the connecting rod 414 and the second locking block 413 on the slide 47, thereby realizing the rapid adjustment of the angle to facilitate the slant processing of the workpiece.
[0045] like Figures 1 to 4 As shown, the size of the first rotating frame 49 is smaller than that of the second rotating frame 411, and the outer arc surface of the first rotating frame 49 is in contact with the inner arc surface of the second rotating frame 411. The first rotating frame 49 and the second rotating frame 411 are slidably connected. The size of the hollow part of the first rotating frame 49 and the second rotating frame 411 is adapted to the diameter of the connecting rod 414. Two sets of slots 416 are opened on the surface of the support frame 41. A strip 417 is installed on the surface of the slots 416. The size of the strip 417 is adapted to the spacing between the strips on the two rotating blocks.
[0046] In the embodiment of the utility model, through the action of fixed plate 44, first clamping block 45, second clamping block 413, connecting rod 414, first rotating frame 49 and second rotating frame 411 can make the ball 46 not fall off from first clamping block 45 and second clamping block 413 during work, when using first rotating block 410 and second rotating block 412 to adjust first rotating frame 49 and second rotating frame 411, inserting clamping strip 417 into clamping groove 416 can better lock the adjusted angle, can install multiple clamping strips 417 to strengthen the locking effect.
[0047] As shown in Figure 1 and Figure 5 The clamping device 5 includes four fixed seats 51 fixedly installed on the upper surface of the base 1, the surface of the fixed seat 51 is fixedly connected with two longitudinal fixed rods 52 and two transverse fixed rods 53, the surface of the longitudinal fixed rod 52 is slidably connected with three longitudinal clamping strips 54, the surface of the transverse fixed rod 53 is slidably connected with three transverse clamping strips 55, a through hole is formed in one side of the upper surface of the longitudinal clamping strip 54 and the transverse clamping strip 55, the four fixed seats 51 are symmetrically installed in two groups on the upper surface of the base 1, limit holes 56 are formed in the surface of two of the fixed seats 51, and a plug rod 57 with one end inserted into the limit hole 56 is slidably installed at the through hole of the longitudinal clamping strip 54 and the transverse clamping strip 55.
[0048] In the embodiment of the utility model, the longitudinal clamping strip 54 and the transverse clamping strip 55 can be increased or decreased according to the use condition, the clamping position can be quickly and flexibly adjusted by moving the clamping strip, the position of the adjusted clamping strip can be limited and locked by the plug rod 57 and the limit hole 56 formed in the fixed seat 51, the longitudinal clamping strip 54 and the transverse clamping strip 55 are staggered in the vertical direction, so that they do not affect each other during position adjustment, and multiple transverse clamping strips 55 and multiple longitudinal clamping strips 54 can realize reinforcement of the workpiece from multiple directions, and multiple workpieces can also be clamped when multiple transverse clamping strips 55, longitudinal clamping strips 54 and plug rods 57 are arranged.
[0049] As shown in Figures 1 to 5 The two side surfaces of the longitudinal clamping strip 54 and the transverse clamping strip 55 are fixedly installed with rubber pads 58.
[0050] In the embodiment of the utility model, the rubber pad 58 can protect the surface of the workpiece from being damaged by knocking and friction of the longitudinal clamping strip 54 and the transverse clamping strip 55 during clamping and adjustment.
[0051] The above is the preferred embodiment of the utility model, it should be pointed out that for ordinary skilled person in the art, without departing from the principle of the utility model, a number of improvements and refinements can be made, these improvements and refinements should also be regarded as the protection scope of the utility model.
Claims
1. A special machine tool for machining inclined grooves of tortuous labyrinth sealing components, characterized in that, Include: The base (1), the upper surface of the base (1) is fixedly installed four supports (11), four supports (11) are divided into two groups; The first support (2) is fixedly installed at the top of a group of supports (11), the surface of the first support (2) is fixedly installed with first motor (21) and first limit rod (23), the output end of the first motor (21) is fixedly connected with first threaded rod (22), one end of the first threaded rod (22) is rotatably connected with the first support (2), the top of the other group of supports (11) is fixedly installed with limit seat (24), the surface of the limit seat (24) is fixedly connected with second limit rod (25); The second support (3) is slidably connected to the surface of the first limit rod (23) and the second limit rod (25), and the second support (3) is threadedly connected with the first threaded rod (22), the surface of the second support (3) is fixedly installed with second motor (31) and third limit rod (33), the output end of the second motor (31) is fixedly connected with second threaded rod (32), one end of the second threaded rod (32) is rotatably connected with the second support (3), the surface of the second threaded rod (32) is threadedly connected with moving seat (34), and the moving seat (34) is slidably connected with the third limit rod (33), the surface of the moving seat (34) is installed with electric push rod (35); The steering device (4) is provided at the telescopic end of the electric push rod (35) for adjusting the angle of the processing head (415); The clamping device (5) is provided on the upper surface of the base (1) for stabilizing the workpiece.
2. A machine tool for processing a labyrinth seal member according to claim 1, wherein The steering device (4) includes a support frame (41) fixedly installed at the telescopic end of the electric push rod (35) and provided with two rotating grooves (48), a driving motor (42) fixedly installed in the support frame (41), a rotating rod (43) fixedly installed at the output end of the driving motor (42), a first clamping block (45) fixedly installed at one end of the rotating rod (43), a fixed plate (44) fixedly installed on the surface of the support frame (41) and rotatably connected with the rotating rod (43), a ball (46) provided with a sliding groove (47) and installed on the arc surface of the first clamping block (45), a first rotating frame (49) and a second rotating frame (411) rotatably connected with the surfaces of the two rotating grooves (48), a first rotating block (410) fixedly installed on the surface of the first rotating frame (49), a second rotating block (412) fixedly installed on the surface of the second rotating frame (411), a second clamping block (413) installed on the surface of the sliding groove (47), and a connecting rod (414) fixedly connected with the lower surface of the second clamping block (413) and penetrating through the hollow portions of the first rotating frame (49) and the second rotating frame (411), and a processing head (415) installed at one end of the connecting rod (414).
3. The machine tool for processing the labyrinth seal part according to claim 2, wherein The sizes of the first clamping block (45) and the second clamping block (413) are adapted to the size of the sliding groove (47) provided on the ball (46).
4. The machine tool for processing the labyrinth seal part according to claim 2, wherein The size of the first rotating frame (49) is smaller than that of the second rotating frame (411), and the outer arc surface of the first rotating frame (49) is attached to the inner arc surface of the second rotating frame (411), the first rotating frame (49) and the second rotating frame (411) are in sliding connection, and the size of the hollow part of the first rotating frame (49) and the second rotating frame (411) is matched with the diameter of the connecting rod (414).
5. The machine tool for processing the labyrinth seal member according to claim 2, wherein The surface of the support frame (41) is provided with two groups of clamping grooves (416), the surface of the clamping groove (416) is provided with a clamping strip (417), and the size of the clamping strip (417) is matched with the distance between the long strips on the knob.
6. A machine tool for processing a labyrinth seal member according to claim 1, wherein The clamping device (5) comprises four fixed seats (51) fixedly installed on the upper surface of the base (1), two longitudinal fixed rods (52) and two transverse fixed rods (53) fixedly connected to the surface of the fixed seat (51), three longitudinal clamping strips (54) slidably connected to the surface of the longitudinal fixed rod (52), three transverse clamping strips (55) slidably connected to the surface of the transverse fixed rod (53), and through holes are formed in one side of the upper surface of the longitudinal clamping strip (54) and the transverse clamping strip (55), two of the four fixed seats (51) are symmetrically installed on the upper surface of the base (1), and the surface of the other two fixed seats (51) is provided with a limiting hole (56), and the through hole of the longitudinal clamping strip (54) and the transverse clamping strip (55) is slidably installed with a plug rod (57) inserted into the limiting hole (56).
7. The machine tool for processing the labyrinth seal member according to claim 6, wherein The installation height of the transverse fixed rod (53) is lower than that of the longitudinal fixed rod (52), and the installation height of the transverse clamping strip (55) is lower than that of the longitudinal clamping strip (54).
8. The machine tool for processing the labyrinth seal part according to claim 6, wherein The two side surfaces of the longitudinal clamping strip (54) and the transverse clamping strip (55) are fixedly installed with rubber pads (58).