CN215035711U - Main shaft unclamping knife device - Google Patents
Main shaft unclamping knife device Download PDFInfo
- Publication number
- CN215035711U CN215035711U CN202120760438.5U CN202120760438U CN215035711U CN 215035711 U CN215035711 U CN 215035711U CN 202120760438 U CN202120760438 U CN 202120760438U CN 215035711 U CN215035711 U CN 215035711U
- Authority
- CN
- China
- Prior art keywords
- head
- broach
- broach handle
- handle
- main shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000006835 compression Effects 0.000 claims abstract description 18
- 238000007906 compression Methods 0.000 claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 12
- 239000010959 steel Substances 0.000 claims abstract description 12
- 230000000149 penetrating effect Effects 0.000 claims abstract description 8
- 238000000926 separation method Methods 0.000 abstract description 10
- 239000000463 material Substances 0.000 abstract description 4
- 238000005242 forging Methods 0.000 abstract 1
- 238000010079 rubber tapping Methods 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
Images
Abstract
The utility model relates to the field of machine tool spindles, in particular to a spindle loosening and clamping tool device, which comprises a broach handle, and a compression spring and a tool bit, which are sequentially arranged on the broach handle in a penetrating way; a circular through hole is formed in the cutter head; the broach handle comprises a head part, a through rod and a tail part; the head of the broach handle is provided with a round hole, the round hole is also provided with a steel ball, and the tapping head and the broach handle are connected and matched by adopting right-handed threads; the main shaft unclamping and clamping knife device also comprises a pressure spring separation blade, and the main shaft unclamping and clamping knife device is a circular ring blade; the utility model discloses only need the outside pressure of applying a sword of forging a knife, the broach is accomplished just can be pushed down to the spring, the kinetic energy that needs is few, the spring material fatigue consumption that uses is minimum, three to five years at least in life, the double-layered sword mode of steel ball has from the centering function again, little with the contact surface of handle of a knife, it is unbalanced to have reduced the precision that enters into double-layered knife face and arouse because of debris, but utilize the characteristics of spring automatic re-setting, the mechanism of the automatic broach of a processing center of preparation saves dress sword time, reduce the cost of labor.
Description
Technical Field
The utility model relates to a lathe main shaft field, concretely relates to main shaft pine presss from both sides sword device.
Background
The main shaft of the machine tool refers to a shaft on the machine tool for driving a workpiece or a cutter to rotate. The main shaft component is generally composed of a main shaft, a bearing, a transmission member (gear or pulley), and the like. The movement accuracy and structural rigidity of the spindle unit are important factors determining the machining quality and the cutting efficiency. The main shaft component performance measuring indexes are mainly rotation precision, rigidity and speed adaptability. The rotation precision is that the radial and axial runout (form and position tolerance) of the main shaft in the direction influencing the processing precision during the rotation of the main shaft is mainly determined by the manufacturing and assembling quality of the main shaft and the bearing. And the dynamic stiffness and the static stiffness are mainly determined by the bending stiffness of the main shaft, the stiffness of the bearing and the damping. The speed adaptability is that the allowable maximum rotating speed and rotating speed range are mainly determined by the structure and lubrication of the bearing and the heat dissipation condition. The machine is mainly used for supporting transmission parts such as gears and belt wheels and transmitting motion and torque, such as a machine tool spindle; some are used to clamp a workpiece, such as a mandrel. The spindle of the machine tool is easy to cause the abrasion of the taper hole under the condition of improper use, so that the machined product is directly influenced without a special tool, the operation difficulty is high due to the limitation of the space of the machine tool, and the labor cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the automatic broach mechanism for the machining center is manufactured by utilizing the characteristic that the spring can automatically reset, the time for installing the broach is saved, and the labor cost is reduced.
The technical scheme adopted by the utility model for solving the technical problems is to provide a main shaft tool loosening and clamping device, which comprises a broach handle, a compression spring and a tool striking head, wherein the compression spring and the tool striking head are sequentially arranged on the broach handle;
a circular through hole is formed in the cutter head;
the broach handle comprises a head part, a through rod and a tail part;
the broach handle head is equipped with the round hole, still be equipped with the steel ball on the round hole.
Furthermore, the cutter head and the broach handle are connected and matched by adopting right-handed threads.
Further, the number of the compression springs is 1 or 2.
Furthermore, the number of the circular holes at the head part of the broach handle is 6.
Further, the main shaft tool loosening and clamping device further comprises a pressure spring separation blade, the pressure spring separation blade is a circular ring piece, and the pressure spring separation blade is arranged on the broach handle through rod in a penetrating mode and is arranged between the broach handle head and the compression spring.
The beneficial effects of the utility model reside in that: the utility model discloses only need the outside pressure of applying a broach, the broach is accomplished just can be pushed down to the spring, and the kinetic energy that needs is few, and the spring material fatigue consumption that we used is minimum, and the pulling force undersize and the life-span of the material spring broach mechanism commonly used on the market at present also only half a year, and the utility model discloses three to five years at least of life, the double-layered sword mode of steel ball have from the centering function again, and is little with the contact surface of handle of a knife, has reduced and has entered into the precision unbalance that presss from both sides the tool face and arouse because of debris, utilizes the characteristics that the spring can automatic re-setting, makes the mechanism of the automatic broach of a machining center, sparingly adorns the sword time, reduces the cost of labor.
Drawings
Fig. 1 is a schematic perspective view of a spindle unclamping and clamping device of the present invention;
fig. 2 is a front view of the main shaft unclamping and clamping device of the present invention.
Fig. 3 is a schematic view of a three-dimensional structure of a broach handle of the spindle unclamping and clamping device of the present invention.
Fig. 4 is a schematic view of a three-dimensional structure of a tool bit of the spindle unclamping tool device of the present invention.
Description of reference numerals: 1. a main shaft unclamping knife device; 11. pulling the knife handle; 111. a head portion; 112. a through rod; 113. a tail portion; 114. a circular hole; 12. a compression spring; 13. a cutter head is punched; 131. a through hole; 14. and (5) steel balls.
Detailed Description
To explain the technical content and the realization of the present invention in detail, the spring can be pushed down to complete the broach by applying a knife-striking pressure from the outside, the required kinetic energy is very little, and the fatigue consumption of the used spring material is very small.
Referring to fig. 1 to 4, the technical solution adopted by the present invention to solve the technical problem is to provide a spindle unclamping tool device 1, which includes a broach handle 11, and a compression spring 12 and a tool bit 13 sequentially penetrating through the broach handle 11;
the cutter head 13 is provided with a circular through hole 131; the broach handle comprises a head part 111, a through rod 112 and a tail part 113; the head 111 of the broach handle 11 is provided with a round hole 114, and the round hole 114 is also provided with a steel ball 14.
The first embodiment is as follows:
a main shaft unclamping and clamping knife device 1 comprises a broach handle 11, and a compression spring 12 and a knife head 13 which are sequentially arranged on the broach handle 11 in a penetrating way;
the cutter head 13 is provided with a circular through hole 131; the broach handle comprises a head part 111, a through rod 112 and a tail part 113; the head 111 of the broach handle 11 is provided with a round hole 114, and the round hole 114 is also provided with a steel ball 14.
Specifically, the unclamping head 13 and the broaching tool shank 11 are connected and matched by right-hand threads.
Specifically, the number of the compression springs 12 is one.
Specifically, the number of the circular holes 114 in the head 111 of the broach handle 11 is six.
Specifically, the main shaft unclamping tool device 1 further comprises a pressure spring separation blade, the pressure spring separation blade is a circular ring piece, and the pressure spring separation blade is arranged on the through rod 112 of the broach handle 11 in a penetrating manner and is arranged between the head 111 of the broach handle 11 and the compression spring 12.
Example two:
a main shaft unclamping and clamping knife device 1 comprises a broach handle 11, and a compression spring 12 and a knife head 13 which are sequentially arranged on the broach handle 11 in a penetrating way;
the cutter head 13 is provided with a circular through hole 131; the broach handle comprises a head part 111, a through rod 112 and a tail part 113; the head 111 of the broach handle 11 is provided with a round hole 114, and the round hole 114 is also provided with a steel ball 14.
Specifically, the unclamping head 13 and the broaching tool shank 11 are connected and matched by right-hand threads.
Specifically, the number of the compression springs 12 is two.
Specifically, the number of the circular holes 114 in the head 111 of the broach handle 11 is six.
Specifically, the main shaft unclamping tool device 1 further comprises a pressure spring separation blade, the pressure spring separation blade is a circular ring piece, and the pressure spring separation blade is arranged on the through rod 112 of the broach handle 11 in a penetrating manner and is arranged between the head 111 of the broach handle 11 and the compression spring 12.
The utility model discloses compact structure, positioning accuracy is high, and the steel ball is from taking from the centering function, and is lower to service environment requirement, is applicable to more abominable operational environment.
The utility model discloses the theory of operation: the spring 12 is compressed by the external pressure of the screwdriver head 13, the broach handle 11 is pressed downwards, so that the steel balls 14 are forced to be expanded to the periphery of the circle center, and a handle rivet enters the broach handle 11; the external force of the cutter head 13 is removed, the compression spring 12 is reset, the broach handle 11 moves upwards, and the steel balls are withdrawn into the holes, so that the hilt is tensioned.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (7)
1. A main shaft tool loosening and clamping device is characterized by comprising a broach handle, and a compression spring and a tool striking head which are sequentially arranged on the broach handle in a penetrating manner;
a circular through hole is formed in the cutter head;
the broach handle comprises a head, a through rod and a tail, wherein a round hole is formed in the head of the broach handle, and a steel ball is further arranged on the round hole.
2. The spindle unclamping and clamping device as claimed in claim 1, wherein the unclamping head and the broaching head are engaged by right-handed screw connection.
3. The spindle unclamping device according to claim 1, wherein the number of the compression springs is 1.
4. The spindle unclamping device according to claim 1, wherein the number of the compression springs is 2.
5. The spindle unclamping and clamping device as claimed in claim 1, wherein the number of the circular holes at the head of the broach shank is 6.
6. The spindle unclamping tool device according to claim 1, further comprising a compressed spring retainer, wherein the compressed spring retainer is a circular ring piece.
7. The spindle unclamping and clamping device as claimed in claim 6, wherein the pressure spring retaining piece is disposed through the through-rod of the broach handle and between the head of the broach handle and the compression spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120760438.5U CN215035711U (en) | 2021-04-14 | 2021-04-14 | Main shaft unclamping knife device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120760438.5U CN215035711U (en) | 2021-04-14 | 2021-04-14 | Main shaft unclamping knife device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215035711U true CN215035711U (en) | 2021-12-07 |
Family
ID=79149669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120760438.5U Expired - Fee Related CN215035711U (en) | 2021-04-14 | 2021-04-14 | Main shaft unclamping knife device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215035711U (en) |
-
2021
- 2021-04-14 CN CN202120760438.5U patent/CN215035711U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211207 |