Mandrel with heat insulation structure
By setting components such as a housing, mounting plate, and connecting sleeve on the spindle, combined with heat insulation material pipes and cooling chambers, the heat problem of the spindle during high-speed rotation is solved, enabling rapid absorption and dissipation of heat, protecting the spindle and surrounding parts, and improving the working stability of the motor.
Patent Information
- Application Number
- CN202520186919.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-06
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2035-02-06
AI Technical Summary
When the motor drives the spindle to rotate at high speed, it generates a lot of heat, which causes the temperature of the electric spindle to rise, affecting its thermal and dynamic characteristics. In addition, the heat dissipation causes high-temperature radiation to surrounding parts, affecting normal operation.
A mandrel with a heat insulation structure was designed, including a shell, a mounting plate, a connecting sleeve, and a connecting sleeve. Through the heat insulation mechanism composed of a heat insulation material tube, a heat absorption material tube, and a cooling chamber, and in conjunction with a water inlet pipe and a water outlet pipe, heat is quickly absorbed and discharged to prevent heat from being transferred to the outside.
It effectively isolates and dissipates the heat generated by the spindle, protects the spindle and surrounding parts, prevents damage caused by excessive temperature, and improves the working stability and safety of the motor.
Smart Images
Figure CN223594712U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to motor equipment technical field, concretely is a core shaft with heat insulation structure. BACKGROUND
[0002] The core shaft is a mechanical part connected with rotating parts, and the mutual connection between the parts is ensured in the present mechanical field, and the normal work of large equipment is ensured. The structure of the core shaft is usually simple, the other parts are clamped and stabilized by adding connecting rods and clamping blocks, the parts are prevented from falling off during rotation of the core shaft, and the fixing section can be conveniently inserted through the through hole of the part by moving the clamping block through the spring, the part installation efficiency and maintenance efficiency are improved, and the core shaft is convenient to install and replace.
[0003] However, when the motor drives the core shaft to rotate at high speed, a large amount of heat is generated, the temperature of the motor spindle rises, the thermal and dynamic characteristics of the motor spindle deteriorate, the normal work of the motor spindle is affected, and the heat diffused also causes high temperature radiation to the surrounding parts, affecting the work of the surrounding parts, so a mechanism for quickly absorbing and transferring internal heat needs to be designed. UTILITY MODEL CONTENTS
[0004] (I) Technical problem solved
[0005] The utility model aims at providing a core shaft with heat insulation structure to solve the problem that when the motor drives the core shaft to rotate at high speed, a large amount of heat is generated, the temperature of the motor spindle rises, the thermal and dynamic characteristics of the motor spindle deteriorate, the normal work of the motor spindle is affected, and the heat diffused also causes high temperature radiation to the surrounding parts, affecting the work of the surrounding parts.
[0006] (II) Technical scheme
[0007] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a core shaft with heat insulation structure, which comprises a core shaft, a shell sleeve is arranged on the outer side of the middle part of the core shaft, two mounting discs are arranged on the outer sides of the two ends of the core shaft, two connecting sleeve pipes are respectively fixedly connected between the two mounting discs and the shell sleeve, two connecting sleeves are symmetrically arranged on the outer sides of the two ends of the core shaft, connecting pieces are sleeved in the interiors of the two connecting sleeves, two groups of connecting mechanisms are respectively arranged between the two connecting sleeves and the two mounting discs, and a heat insulation mechanism is arranged in the interior of the shell sleeve.
[0008] Each group of connecting mechanisms comprises four connecting plates, four first fixing bolts and four second fixing bolts, four transversely arranged through slots are formed in the mounting disc in axial symmetry, and the four connecting plates are respectively arranged through the four through slots.
[0009] Preferably, four threaded holes one are symmetrically arranged on each mounting disc, threaded holes two are arranged through each connecting plate and matched with the threaded holes one, and fixed bolts one are threadedly connected in each pair of threaded holes one and threaded holes two.
[0010] Through the above technical scheme, the corresponding connecting plate is fixedly installed on the mounting disc through the fixed bolt one, and when the fixed bolt one is not fixed, the connecting plate can be moved in the through slot, so that the rotation and threaded connection of the mandrel and the connecting piece are not affected.
[0011] Preferably, each connecting sleeve is symmetrically provided with an insertion slot matched with the connecting plate on one side close to the corresponding mounting disc, each connecting plate is provided with a threaded hole three at one end close to the connecting sleeve, each connecting sleeve is symmetrically provided with a threaded hole four matched with the threaded hole three, and a fixed bolt two is threadedly connected in each threaded hole four.
[0012] Through the above technical scheme, one end of the connecting plate is inserted into the corresponding insertion slot on the connecting sleeve, and then one end of the connecting plate is fixedly connected with the connecting sleeve through the fixed bolt two, so as to achieve the function of fixedly connecting the connecting sleeve and the mounting disc.
[0013] Preferably, each connecting piece is provided with a threaded groove on the inner side of one end close to the mandrel, and the mandrel is provided with external threads on the outer side of both ends.
[0014] Through the above technical scheme, the connecting piece and the mandrel are quickly threadedly connected, and then the connecting plate is moved in the through slot to the original position after being fixed, and then the fixed bolt one is used for fixing.
[0015] Preferably, rotating rings are fixedly installed in the through holes on both ends of the shell sleeve, two rotating grooves are arranged on the mandrel, and the two rotating rings are threadedly connected in the corresponding rotating grooves.
[0016] Through the above technical scheme, the rotating ring is freely rotated in the rotating groove, so that the shell sleeve is stably installed on the outer side of the mandrel. When the mandrel rotates at high speed, the shell sleeve remains stationary due to the fixed connection between the two mounting discs and the connecting sleeve.
[0017] Preferably, the heat insulation mechanism comprises a heat insulation material pipe, a heat absorption material pipe and a cooling chamber, the heat insulation material pipe is fixedly installed on the inner wall of the shell sleeve, the heat absorption material pipe is fixedly installed on the inner side of the heat insulation material pipe, and the cooling chamber is arranged between the heat insulation material pipe and the heat absorption material pipe.
[0018] Through the technical scheme, the heat insulation material pipe insulates the heat generated when the mandrel rotates at high speed from the outside, prevents the heat dissipation from causing high-temperature damage to the elements outside, the heat absorption material pipe is used for quickly absorbing the heat on the surface of the mandrel, the cooling chamber is used for storing the cooling liquid, the heat absorbed by the heat absorption material pipe is absorbed, and thus the generated heat is quickly digested.
[0019] Preferably, the upper end left side of the shell sleeve is fixedly connected with a water inlet pipe, the lower end right side of the shell sleeve is fixedly connected with a water outlet pipe, the water inlet pipe and the water outlet pipe are in communication with the cooling chamber, and valves are installed on the water inlet pipe and the water outlet pipe.
[0020] Through the technical scheme, the water inlet pipe is used for adding the liquid for cooling into the cooling chamber, the water outlet pipe is used for discharging the heated liquid in the cooling chamber, and the valves are used for conveniently controlling the opening and closing of the water inlet pipe and the water outlet pipe.
[0021] Compared with the prior art, the mandrel with the heat insulation structure has the following beneficial effects:
[0022] 1、The shell sleeve, the mounting disc, the connecting sleeve, the connecting sleeve and other components are arranged, and the connecting mechanism is arranged, so that the mandrel and the shell sleeve can be quickly and conveniently installed between the components of the two connecting pieces for use, the connection is stable, and the disassembly is also very convenient.
[0023] 2、The heat insulation mechanism composed of the heat insulation material pipe, the heat absorption material pipe and the cooling chamber is arranged, the water inlet pipe, the water outlet pipe and the valve are used, heat generated by the high-speed rotating mandrel can be quickly absorbed in the cooling liquid, the heat transfer between the outside and the heat is insulated, and the heated cooling liquid is discharged in time, so that the mandrel and the surrounding parts are protected, and part damage caused by high temperature is prevented. DETAILED DESCRIPTION
[0024] Figure 1 It is a three-dimensional structure schematic view of the utility model;
[0025] Figure 2 It is a sectional structure schematic view of the utility model;
[0026] Figure 3 It is a sectional structure schematic view of the utility model; Figure 2 It is an enlarged structure schematic view of A in the utility model;
[0027] Figure 4 It is an enlarged structure schematic view of B in the utility model. Figure 2
[0028] In the diagram: 1. Mandrel; 2. Shell; 3. Mounting plate; 4. Connecting sleeve; 5. Connecting sleeve; 6. Connector; 7. Connecting mechanism; 71. Connecting plate; 72. Fixing bolt one; 73. Fixing bolt two; 8. Heat insulation mechanism; 81. Heat insulation material tube; 82. Heat absorption material tube; 83. Cooling chamber; 9. Threaded groove; 10. Rotating groove; 11. Rotating ring; 12. Water inlet pipe; 13. Water outlet pipe; 14. Valve; 15. Through groove; 16. Threaded hole one; 17. Threaded hole two; 18. Threaded hole three; 19. Threaded hole four; 20. Slot. Detailed Implementation
[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0030] Example 1:
[0031] like Figures 1-4 As shown, the present invention provides a mandrel with a heat insulation structure, including a mandrel 1, a shell 2 sleeved on the outer side of the middle part of the mandrel 1, mounting plates 3 sleeved on the outer sides of both ends of the mandrel 1, connecting sleeves 4 fixedly connected between the two mounting plates 3 and the shell 2, two connecting sleeves 5 symmetrically arranged on the outer sides of both ends of the mandrel 1, connecting pieces 6 sleeved inside the two connecting sleeves 5, two sets of connecting mechanisms 7 respectively arranged between the two connecting sleeves 5 and the two mounting plates 3, and a heat insulation mechanism 8 arranged inside the shell 2;
[0032] Each set of connecting mechanisms 7 includes four connecting plates 71, four fixing bolts 1 72 and four fixing bolts 2 73. Each mounting plate 3 has four transverse slots 15 symmetrically arranged on its axis, and the four connecting plates 71 are respectively provided with the corresponding four slots 15.
[0033] Specifically, each mounting plate 3 has four threaded holes 16 symmetrically arranged on its axis, and each connecting plate 71 has a threaded hole 17 that matches the threaded holes 16. Each pair of threaded holes 16 and threaded holes 17 is connected by a fixing bolt 72. The advantage is that the corresponding connecting plate 71 is fixedly mounted on the mounting plate 3 by the fixing bolt 72, and when the fixing bolt 72 is not fixed, the connecting plate 71 can be moved within the through groove 15, so as not to affect the rotational threaded connection between the spindle 1 and the connecting piece 6.
[0034] Specifically, each connecting sleeve 5 is axially symmetrical to the side of the corresponding mounting disc 3 and is provided with a slot 20 matched with the connecting plate 71, each connecting plate 71 is provided with a threaded hole three 18 at one end close to the connecting sleeve 5, each connecting sleeve 5 is axially symmetrical and is provided with a threaded hole four 19 matched with the threaded hole three 18, and each threaded hole four 19 is screwed with a fixed bolt two 73. Advantage is that one end of the connecting plate 71 is inserted into the corresponding slot 20 of the connecting sleeve 5, and then the fixed bolt two 73 is used to fix and connect one end of the connecting plate 71 with the connecting sleeve 5, so as to achieve the effect of fixing and connecting the connecting sleeve 5 with the mounting disc 3.
[0035] Specifically, each connecting piece 6 is provided with a threaded groove 9 at one end close to the inner side of the shaft 1, and the outer side of both ends of the shaft 1 is provided with an external thread. Advantage is that the connecting piece 6 and the shaft 1 are quickly screwed, and after being fixed, the connecting plate 71 is moved to the original position in the slot 15 and is fixed by the fixed bolt one 72.
[0036] Specifically, the rotating ring 11 is fixedly installed in the inner side of the perforation at both ends of the shell sleeve 2, and the shaft 1 is provided with two matched rotating grooves 10, and the two rotating rings 11 are respectively screwed in the corresponding rotating grooves 10. Advantage is that the rotating ring 11 is freely rotated in the rotating groove 10, so as to stably install the shell sleeve 2 on the outer side of the shaft 1, and when the shaft 1 rotates at high speed, the shell sleeve 2 remains stationary due to the fixed connection between the mounting disc 3 and the connecting sleeve 5.
[0037] Example two:
[0038] As shown in Figure 2 and 4 , which is an improvement on the previous embodiment. Specifically, the heat insulation mechanism 8 includes a heat insulation material pipe 81, a heat absorption material pipe 82 and a cooling chamber 83, the heat insulation material pipe 81 is fixedly installed on the inner wall of the shell sleeve 2, the heat absorption material pipe 82 is fixedly installed on the inner side of the heat insulation material pipe 81, and the cooling chamber 83 is provided between the heat insulation material pipe 81 and the heat absorption material pipe 82. Advantage is that the heat insulation material pipe 81 insulates the heat generated by the high-speed rotation of the shaft 1 from the outside, preventing the heat from spreading to the outside and causing high-temperature damage to the elements on the outside, the heat absorption material pipe 82 is used to quickly absorb the heat on the surface of the shaft 1, and the cooling chamber 83 is used to store cooling liquid to absorb the heat absorbed by the heat absorption material pipe 82, so as to quickly digest the generated heat.
[0039] Specific, the upper end left side of the shell 2 is fixedly connected with the water inlet pipe 12, the lower end right side of the shell 2 is fixedly connected with the water outlet pipe 13, the water inlet pipe 12 and the water outlet pipe 13 are communicated with the cooling chamber 83, and the water inlet pipe 12 and the water outlet pipe 13 are both provided with the valve 14. Advantage is, the water inlet pipe 12 is used to add the liquid for cooling into the cooling chamber 83, the water outlet pipe 13 is used to discharge the liquid heated in the cooling chamber 83, and the valve 14 is convenient to control the opening and closing of the water inlet pipe 12 and the water outlet pipe 13 respectively.
[0040] In use, first, the connecting piece 6 sleeved with the connecting sleeve 5 is connected by screwing, the two ends of the mandrel 1 are screwed into the two connecting pieces 6 respectively, then the connecting plate 71 in each slot 15 is pushed respectively, and the end of the connecting plate 71 away from the mandrel 1 is pushed into the corresponding slot 20 on the connecting sleeve 5, the fixing bolt one 72 is screwed into each corresponding thread hole one 16 and thread hole two 17 respectively, so that the connecting plate 71 is fixed on the mounting disc 3, then the fixing bolt two 73 is screwed into each corresponding thread hole three 18 and thread hole four 19, so that the mandrel 1, the shell 2, the mounting disc 3 and the connecting sleeve pipe 4 are connected together as a whole; in use, since the connecting piece 6 drives the mandrel 1 to rotate quickly, a high heat is generated, the heat generated when the mandrel 1 rotates at high speed is isolated from the outside by the heat insulation material pipe 81, so that the heat is prevented from being dissipated to the outside elements to cause high-temperature damage, the heat absorption material pipe 82 is used to quickly absorb the heat on the surface of the mandrel 1, so that the mandrel 1 is protected, at this time, the liquid for cooling can be added into the cooling chamber 83 through the water inlet pipe 12, the heat on the heat absorption material pipe 82 is absorbed, and the device is discharged through the water outlet pipe 13, so that the heat is effectively transferred out, the device and the parts outside the device are protected, and overheating damage is prevented.
[0041] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A mandrel with a thermal insulation structure, comprising a mandrel (1), characterized in that: The middle part of the mandrel (1) is sleeved with a shell (2), the two ends of the mandrel (1) are sleeved with mounting discs (3), connecting sleeves (4) are fixedly connected between the two mounting discs (3) and the shell (2) respectively, two connecting sleeves (5) are symmetrically arranged outside the two ends of the mandrel (1), connecting pieces (6) are sleeved in the two connecting sleeves (5) respectively, two groups of connecting mechanisms (7) are arranged between the two connecting sleeves (5) and the two mounting discs (3) respectively, and a heat insulation mechanism (8) is arranged in the shell (2). Each group of connecting mechanisms (7) comprises four connecting plates (71), four first fixing bolts (72) and four second fixing bolts (73), four transversely arranged through slots (15) are symmetrically formed on each mounting disc (3), and the four connecting plates (71) are arranged through the four through slots (15) respectively.
2. The mandrel with a thermal barrier structure according to claim 1, characterized in that: Four first threaded holes (16) are symmetrically formed on each mounting disc (3), second threaded holes (17) matched with the first threaded holes (16) are formed through each connecting plate (71), and the first threaded holes (16) and the second threaded holes (17) are threadedly connected with the first fixing bolts (72).
3. The mandrel with a thermal barrier according to claim 1, characterized in that: Each connecting sleeve (5) is symmetrically formed with an insertion groove (20) matched with the connecting plate (71) on one side close to the corresponding mounting disc (3), a third threaded hole (18) is formed through one end of each connecting plate (71) close to the connecting sleeve (5), each connecting sleeve (5) is symmetrically formed with a fourth threaded hole (19) matched with the third threaded hole (18), and each fourth threaded hole (19) is threadedly connected with the second fixing bolt (73).
4. The mandrel with a thermal barrier according to claim 1, wherein: Each connecting piece (6) is formed with a threaded groove (9) on one end close to the mandrel (1), and the two ends of the mandrel (1) are provided with external threads.
5. The mandrel with a thermal barrier according to claim 1, characterized in that: Rotating rings (11) are fixedly installed in the through holes of the two ends of the shell (2), and two matched rotating grooves (10) are formed in the mandrel (1).
6. The mandrel with a thermal barrier according to claim 1, wherein: The heat insulation mechanism (8) comprises a heat insulation material pipe (81), a heat absorption material pipe (82) and a cooling cavity (83), the heat insulation material pipe (81) is fixedly installed on the inner wall of the shell (2), the heat absorption material pipe (82) is fixedly installed on the inner side of the heat insulation material pipe (81), and the cooling cavity (83) is formed between the heat insulation material pipe (81) and the heat absorption material pipe (82).
7. A mandrel having a thermally insulating structure according to claim 6, characterized in that: A water inlet pipe (12) is fixedly connected to the upper left side of the shell (2), a water outlet pipe (13) is fixedly connected to the lower right side of the shell (2), the water inlet pipe (12) and the water outlet pipe (13) are in communication with the cooling cavity (83), and the water inlet pipe (12) and the water outlet pipe (13) are provided with valves (14).