CN217223624U

CN217223624U - Main shaft mechanism of numerical control machine tool

Info

Publication number: CN217223624U
Application number: CN202220635379.3U
Authority: CN
Inventors: 李昕
Original assignee: Shanghai Youmai Cnc Technology Research Co ltd
Current assignee: Shanghai Youmai Cnc Technology Research Co ltd
Priority date: 2022-03-23
Filing date: 2022-03-23
Publication date: 2022-08-19
Anticipated expiration: 2032-03-23

Abstract

The utility model relates to a digit control machine tool equipment technical field, and a digit control machine tool spindle mechanism is disclosed, including the headstock, the headstock is connected with the main shaft body through the bearing, main shaft body one side is provided with the transmission structure box, inside detection mechanism and the cooling mechanism of being provided with of headstock, cooling mechanism includes headstock surface welded's first box, first box has the feed liquor pipe through the inside inlet intercommunication that sets up the pump body, first box has first hose through the inside liquid outlet intercommunication that sets up the pump body, the one end intercommunication that first box was kept away from to first hose has the cooling plate, cooling plate internal surface welding has the heat absorption board, cooling plate outside intercommunication has the drain pipe. This digit control machine tool main shaft mechanism, when the heat sink plate drives the absorber plate and presses close to the main shaft body, the main shaft body outside is conducted to the inside water of heat sink plate because of the high temperature of high-speed rotatory production in by the absorber plate to make the main shaft body by quick cooling, improve the life of main shaft body.

Description

Main shaft mechanism of numerical control machine tool

Technical Field

The application relates to the technical field of numerical control machine tool equipment, in particular to a spindle mechanism of a numerical control machine tool.

Background

The main shaft of the numerical control machine tool is used for driving a workpiece or a cutter to rotate on the machine tool, generally, a main shaft structure is formed by the main shaft, a bearing, a transmission part and the like, meanwhile, one side of the main shaft is matched with the transmission structure in the machine to rotate, and the other side of the main shaft of the machine tool can be used for clamping the workpiece.

The existing numerical control machine tool spindle can rotate at a high speed when in use, and the outside of the spindle rubs with air to generate higher high temperature in the process of high-speed rotation of the spindle, so that the service life of the spindle is shortened.

Therefore, a spindle mechanism of a numerical control machine tool is needed to solve the problem of short service life of the spindle due to high temperature.

SUMMERY OF THE UTILITY MODEL

To prior art's not enough, this application provides a digit control machine tool main shaft mechanism, possesses the advantage that reduces the main shaft temperature, has solved the main shaft and has subtracted the problem of weak point because of high temperature life.

In order to achieve the above purpose, the present application provides the following technical solutions: a main shaft mechanism of a numerical control machine tool comprises a main shaft box, wherein the main shaft box is connected with a main shaft body through a bearing, a transmission structure box body is arranged on one side of the main shaft body, and a detection mechanism and a cooling mechanism are arranged in the main shaft box;

the cooling mechanism comprises a first box body welded to the outer surface of the spindle box, the first box body is communicated with a liquid inlet pipe through a liquid inlet in which the pump body is arranged, the first box body is communicated with a first hose through a liquid outlet in which the pump body is arranged, one end, far away from the first box body, of the first hose is communicated with a cooling plate, the inner surface of the cooling plate is welded with a heat absorbing plate, and the outer side of the cooling plate is communicated with a liquid outlet pipe.

The pump body inside the first box is started, the first box passes through the water body outside the liquid inlet pipe extraction, the water body flows inside the first hose and the heat-reducing plate, when the heat-reducing plate drives the heat-absorbing plate to be close to the main shaft body, the high temperature generated by high-speed rotation outside the main shaft body is conducted to the water body inside the heat-reducing plate by the heat-absorbing plate, and therefore the main shaft body is rapidly cooled.

Preferably, the interior of the heat-reducing plate is hollow, the heat-absorbing plate is made of a copper material, a threaded rod is rotatably connected to the outer side of the heat-absorbing plate, a threaded sleeve is in threaded connection with the threaded rod, and the outer surface of the threaded sleeve is welded to the inner wall of the spindle box.

Preferably, the guide rod is welded on the outer side of the heat-reducing plate, the outer surface of the guide rod is connected with a support sleeve in a sliding mode, and the outer surface of the support sleeve is welded on the inner wall of the spindle box.

Preferably, the guide rods are arranged in two groups, and the two groups of guide rods are symmetrically distributed on the outer side of the heat-reducing plate.

Preferably, the detection mechanism includes that the main shaft body passes through the adapter sleeve that the bearing is connected, adapter sleeve skin weld has the connecting block, the connecting block top welds in the headstock internal surface, the adapter sleeve surface is provided with the shock transducer body, the shock transducer body is connected with the connecting wire, the connecting wire runs through in the headstock inner wall.

When the main shaft body runs, the vibration of the main shaft body is detected by the vibration sensor body, and the worker can detect the vibration strength of the main shaft body by using the detection tool to connect the connecting wire, so that the main shaft body can be conveniently detected by the worker when damaged, and the main shaft body is timely overhauled by the worker.

Preferably, the outer surface of the spindle box is welded with a second box body, the second box body is communicated with an air inlet pipe through an air inlet of the fan arranged inside, a filter screen is arranged inside the air inlet pipe, an air outlet of the fan arranged inside the second box body is communicated with a second hose, and the second hose is communicated with the inside of the spindle box.

Preferably, a protective net is arranged on the outer surface of the spindle box.

In summary, the present application includes at least one of the following advantages:

1. this digit control machine tool spindle mechanism, adjust the distance between cooling plate and the main shaft body through rotating the threaded rod, the inside pump body of first box of restart, first box passes through the outside water of feed liquor pipe extraction, the water is at first hose and cooling plate internal flow, when the cooling plate drives the absorber plate and presses close to the main shaft body, the main shaft body outside is conducted to the inside water of cooling plate because of the high temperature of high-speed rotatory production in by the absorber plate, thereby make the main shaft body by quick cooling, the life of improvement main shaft body.

2. This digit control machine tool spindle mechanism, adapter sleeve and the vibrations sensor body through main shaft body surface connection for the vibrations of main shaft body are detected by the vibrations sensor body, and the staff uses detection instrument connecting wire can detect out the intensity of vibrations of main shaft body, can conveniently be detected by the staff when making the main shaft body damage, and the main shaft body can be by the timely maintenance of staff, guarantees going on in order of lathe.

Drawings

FIG. 1 is a schematic view of the overall structure of a spindle mechanism according to the present application;

FIG. 2 is a front view of the internal structure of the spindle head of the present application;

FIG. 3 is a schematic view of the overall structure of the heat-reducing plate of the present application;

fig. 4 is the whole structure diagram of the connection sleeve of the present application.

Wherein: 1. a main spindle box; 111. a first case; 112. a liquid inlet pipe; 113. a first hose; 114. a heat-reducing plate; 115. a heat absorbing plate; 116. a threaded rod; 117. a threaded sleeve; 118. a liquid outlet pipe; 119. a guide bar; 120. a support sleeve; 2. a main shaft body; 211. connecting sleeves; 212. connecting blocks; 213. a vibration sensor body; 214. a connecting wire; 215. a second case; 216. an air inlet pipe; 217. a second hose; 218. a protective net; 3. a transmission structure box body.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.

Referring to fig. 1-4, a spindle mechanism of a numerical control machine tool includes a spindle box 1, the spindle box 1 is connected to a spindle body 2 through a bearing, a transmission structure box 3 is disposed on one side of the spindle body 2, and a detection mechanism and a cooling mechanism are disposed inside the spindle box 1.

Through above-mentioned technical scheme, 3 internal line structures of transmission structure box are prior art, and transmission structure box 3 and headstock 1 are fixed to the lathe equipment on, and the structure of transmission structure box 3 inside drives main shaft body 2 and rotates, makes 2 surface temperature of main shaft body reduce through the inside cooling mechanism of headstock 1, improves main shaft body 2's life.

Specifically, the cooling mechanism comprises a first box body 111 welded on the outer surface of a main spindle box 1, the first box body 111 is communicated with a liquid inlet pipe 112 through a liquid inlet of an internally arranged pump body, the first box body 111 is communicated with a first hose 113 through a liquid outlet of the internally arranged pump body, one end of the first hose 113, which is far away from the first box body 111, is communicated with a cooling plate 114, the cooling plate 114 is hollow, a heat absorbing plate 115 is welded on the inner surface of the cooling plate 114, the heat absorbing plate 115 is made of a copper material, a threaded rod 116 is rotatably connected to the outer side of the heat absorbing plate 115, the threaded rod 116 is in threaded connection with a threaded sleeve 117, the outer surface of the threaded sleeve 117 is welded on the inner wall of the main spindle box 1, a liquid outlet pipe 118 is communicated with the outer side of the cooling plate 114, guide rods 119 are welded on the outer side of the cooling plate 114, two sets of guide rods 119 are arranged, the two sets of guide rods 119 are symmetrically distributed on the outer side of the cooling plate 114, and a support sleeve 120 is slidably connected on the outer surface of the guide rods 119, the outer surface of the supporting sleeve 120 is welded on the inner wall of the main spindle box 1.

Through the technical scheme, the staff adjusts the distance between cooling plate 114 and the main shaft body 2 through rotating threaded rod 116, the inside pump body of first box 111 is restarted, first box 111 extracts outside water through feed liquor pipe 112, the water is at first hose 113 and the inside flow of cooling plate 114, when cooling plate 114 drives absorber plate 115 and presses close to main shaft body 2, the main shaft body 2 outside is because of the high temperature of high-speed rotatory production is conducted in the inside water of cooling plate 114 by absorber plate 115, thereby make main shaft body 2 by quick cooling, improve main shaft body 2's life.

Specifically, detection mechanism includes that main shaft body 2 passes through the adapter sleeve 211 that the bearing is connected, adapter sleeve 211 outer surface welding has connecting block 212, connecting block 212 top welds in 1 internal surface of headstock, adapter sleeve 211 outer surface is provided with shock sensor body 213, shock sensor body 213 is connected with connecting wire 214, connecting wire 214 runs through in 1 inner wall of headstock, 1 outer surface welding of headstock has second box 215, second box 215 has intake pipe 216 through the inside air inlet intercommunication that sets up the fan, the inside filter screen that is provided with of intake pipe 216, second box 215 has second hose 217 through the inside gas outlet intercommunication that sets up the fan, second hose 217 and the inside intercommunication of headstock 1, headstock 1 surface is provided with protection network 218.

Through the above technical solution, the internal circuit structure of the vibration sensor body 213 is the prior art, the vibration sensor body 213 is a KSI 84A x universal acceleration vibration sensor, mainly used for detecting the vibration strength of the main shaft body 2, when the main shaft body 2 is in operation, the vibration of the main shaft body 2 is detected by the vibration sensor body 213, the worker can detect the vibration intensity of the main shaft body 2 by using the detection tool connection line 214, so that the main shaft body 2 can be conveniently detected by the working personnel when being damaged, the main shaft body 2 can be overhauled by the working personnel in time, through the inside fan of second box 215, inside the fan carried the main shaft box 1 with the air through second hose 217, main shaft box 1 is inside leaves main shaft box 1 from protection network 218 because of using accumulational dust for a long time, guarantees the inside cleanness of main shaft box 1 for the dust can not influence the normal operating of main shaft body 2.

When using, the staff adjusts the distance between cooling plate 114 and the main shaft body 2 through rotating threaded rod 116, the inside pump body of first box 111 of restart, first box 111 is through the outside water of feed liquor pipe 112 extraction, the water is at first hose 113 and the inside flow of cooling plate 114, when cooling plate 114 drives absorber plate 115 and presses close to main shaft body 2, the main shaft body 2 outside is because of the high temperature of high-speed rotatory production is conducted in the inside water of cooling plate 114 by absorber plate 115, thereby make main shaft body 2 by quick cooling.

When the main shaft body 2 operates, the vibration of the main shaft body 2 is detected by the vibration sensor body 213, and the worker uses the detection tool to connect the connecting line 214 to detect the vibration intensity of the main shaft body 2, so that the main shaft body 2 can be conveniently detected by the worker when damaged, and the main shaft body 2 can be timely overhauled by the worker.

Although embodiments of the present application have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the application, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a digit control machine tool main shaft mechanism, includes headstock (1), its characterized in that: the spindle box (1) is connected with a spindle body (2) through a bearing, a transmission structure box body (3) is arranged on one side of the spindle body (2), and a detection mechanism and a cooling mechanism are arranged in the spindle box (1);

cooling mechanism includes headstock (1) outer surface welded first box (111), first box (111) have feed liquor pipe (112) through the inside inlet intercommunication that sets up the pump body, first box (111) have first hose (113) through the inside liquid outlet intercommunication that sets up the pump body, the one end intercommunication that first box (111) were kept away from in first hose (113) has cooling plate (114), cooling plate (114) interior skin weld has absorber plate (115), cooling plate (114) outside intercommunication has drain pipe (118).

2. The numerical control machine tool spindle mechanism according to claim 1, characterized in that: the heat-absorbing plate is characterized in that the interior of the heat-absorbing plate (114) is hollow, the heat-absorbing plate (115) is made of a copper material, a threaded rod (116) is rotatably connected to the outer side of the heat-absorbing plate (115), a threaded sleeve (117) is in threaded connection with the threaded rod (116), and the outer surface of the threaded sleeve (117) is welded to the inner wall of the spindle box (1).

3. The numerical control machine tool spindle mechanism according to claim 1, characterized in that: the guide rod (119) is welded on the outer side of the heat-reducing plate (114), a support sleeve (120) is connected to the outer surface of the guide rod (119) in a sliding mode, and the outer surface of the support sleeve (120) is welded on the inner wall of the spindle box (1).

4. The numerical control machine tool spindle mechanism according to claim 3, characterized in that: the guide rods (119) are arranged in two groups, and the two groups of guide rods (119) are symmetrically distributed on the outer side of the heat-reducing plate (114).

5. The numerical control machine tool spindle mechanism according to claim 1, characterized in that: detection mechanism includes main shaft body (2) adapter sleeve (211) of connecting through the bearing, adapter sleeve (211) skin weld has connecting block (212), connecting block (212) top welds in main shaft box (1) internal surface, adapter sleeve (211) surface is provided with vibrations sensor body (213), vibrations sensor body (213) are connected with connecting wire (214), connecting wire (214) run through in main shaft box (1) inner wall.

6. The numerical control machine tool spindle mechanism according to claim 1, characterized in that: the outer surface welding of headstock (1) has second box (215), second box (215) have intake pipe (216) through the inside air inlet intercommunication that sets up the fan, the inside filter screen that is provided with of intake pipe (216), second box (215) have second hose (217) through the inside gas outlet intercommunication that sets up the fan, second hose (217) and headstock (1) inside intercommunication.

7. The numerical control machine tool spindle mechanism according to claim 1, characterized in that: and a protective net (218) is arranged on the outer surface of the spindle box (1).