CN213195797U

CN213195797U - Turret milling machine

Info

Publication number: CN213195797U
Application number: CN202021729695.4U
Authority: CN
Inventors: 董飞
Original assignee: Kunshan Quanzhongyu Precision Machinery Co ltd
Current assignee: Kunshan Quanzhongyu Precision Machinery Co ltd
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2021-05-14
Anticipated expiration: 2030-08-18

Abstract

The utility model provides a gun turret milling machine belongs to the machining technology field, include: a base; the workbench is arranged on the base; and the damping mechanism is clamped between the base and the workbench, and comprises a damping shell connected to the base, a supporting table connected with the workbench and arranged in the damping shell, and an elastic assembly connected between the supporting table and the bottom wall of the damping shell. The technical effects are as follows: a damping mechanism is arranged between the workbench and the base, the support table and the damping shell are movably arranged through a guide rail, so that a guiding effect can be achieved, the stability of the workbench is improved, and the first elastic piece can damp the workbench; simultaneously, the first drive plate that sets up in pairs can guarantee that the workstation is in relative horizontally stationary state with set up the second drive plate in pairs as far as possible synchronous motion, and the second drive plate that connects each other can further make the workstation be in relative horizontally stationary state, reduces the slope of workstation, and the second elastic component can carry out the shock attenuation to the workstation.

Description

Turret milling machine

Technical Field

The utility model belongs to the technical field of the machine tooling, more specifically say, relate to a gun turret milling machine.

Background

The turret milling machine is also called as a rocker milling machine, a universal milling machine and the like, can mill planes, grooves, gear teeth, threads, spline shafts and the like, has compact structure, small volume and high flexibility, the milling head can rotate left and right and back and forth, the rocker can stretch back and forth and can rotate in the horizontal plane, and the effective working range of the milling machine is greatly improved. Because the turret milling machine processing vibrations are big, influence cutting process accuracy nature, in order to avoid the unstable problem of cutter head that vibrations bring, reduce the finished product disability rate, need control the vibration range of turret milling machine.

The traditional turret milling machine generally sets up shock pad, damping spring etc. at the base to alleviate produced vibrations in the course of working, and then guarantee the milling stability of cutter head, improve the finished product yield. However, the above-mentioned damping method is poor in damping effect, and is easy to cause the worktable to incline to a certain extent.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a turret milling machine aims at solving traditional shock attenuation mode shock attenuation effect relatively poor, makes the workstation produce the technical problem of the slope of certain degree easily.

In order to achieve the above object, the utility model adopts the following technical scheme: there is provided a turret milling machine comprising: a base; the workbench is arranged on the base; the damping mechanism is clamped between the base and the workbench, and comprises a damping shell connected to the base, a supporting table connected with the workbench and arranged in the damping shell, and an elastic assembly connected between the supporting table and the bottom wall of the damping shell; a guide rail for the support table to move is arranged in the shock absorption shell, and a first elastic piece is connected between the support table and the bottom wall of the shock absorption shell in a limiting space formed by the guide rail; the elastic assembly comprises first transmission plates, transmission gears and second transmission plates, the first transmission plates are connected to the supporting table in a paired mode, the transmission gears are correspondingly meshed with the first transmission plates, the second transmission plates are correspondingly meshed with the transmission gears, the second transmission plates are arranged in a paired mode and are connected with each other, and second elastic pieces are connected between the second transmission plates and the bottom wall of the damping shell.

Furthermore, the end of the support table is provided with a sliding block, and the sliding block is in sliding fit with the guide rail.

Furthermore, a clamping groove is formed between the sliding block and the supporting table, and a clamping edge matched with the clamping groove is formed on the guide rail.

Furthermore, the support table is provided with a plurality of matching surfaces matched with the guide rail in a moving mode, and each matching surface is provided with a roller matched with the guide rail in a rolling mode.

Further, the guide rails are arranged in pairs and are arranged in axial symmetry with respect to the table.

Furthermore, the first transmission plate and the second transmission plate respectively comprise a plate body connected to the support platform and a rack arranged on the edge of the plate body.

Furthermore, a connecting plate is arranged between the second transmission plates which are arranged in pairs, and the second elastic piece is arranged between the connecting plate and the bottom wall of the damping shell.

Further, the turret milling machine further comprises a damping cylinder arranged on the connecting plate, a piston arranged in the damping cylinder in a sliding mode, compressed gas arranged in the damping cylinder, and a push rod connected with the piston and connected with the supporting table.

Furthermore, a third elastic element is arranged between the support platform and the outer wall of the damping cylinder.

Further, the base is provided with a plurality of detachable balancing weights, and the gravity centers of the balancing weights are overlapped with the gravity centers of the base, the workbench and the damping mechanism in the gravity direction.

The utility model provides a turret milling machine has following technological effect at least: compared with the prior art, in the turret milling machine provided by the utility model, the damping mechanism is arranged between the workbench and the base, the support table and the damping shell are arranged by the guide rail in a moving way, so that the guiding function can be realized, the stability of the workbench is improved, and the first elastic part can damp the workbench; simultaneously, the first drive plate that sets up in pairs can guarantee that the workstation is in relative horizontally stationary state with set up the second drive plate in pairs as far as possible synchronous motion, and the second drive plate that connects each other can further make the workstation be in relative horizontally stationary state, reduces the slope of workstation, and the second elastic component can carry out the shock attenuation to the workstation.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a turret milling machine according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a workbench and a damping mechanism in an embodiment of the present invention;

fig. 3 is a schematic view illustrating the cooperation between the guide rail and the supporting platform according to an embodiment of the present invention;

fig. 4 is a schematic view of the guide rail and the supporting platform according to another embodiment of the present invention.

In the figure:

100. turret milling machine 110, base 120 and workbench

130. Damper mechanism 131, damper housing 132, and guide rail

133. Support table 134, slide block 135 and card slot

136. Clamping edge 137, roller 138 and elastic component

139. A first transmission plate 140, a transmission gear 141, and a second transmission plate

142. Second elastic member 143, connecting plate 144, and damper cylinder

145. Piston 146, push rod 147, third elastic member

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

Referring to fig. 1 to 4 together, a turret milling machine 100 according to an embodiment of the present invention will now be described.

Referring to fig. 1 and 2, an embodiment of the present invention provides a turret milling machine 100, including: a base 110; a table 120 disposed on the base 110; the damping mechanism 130 is clamped between the base 110 and the workbench 120, and comprises a damping shell 131 connected to the base 110, a supporting platform 133 connected to the workbench 120 and arranged in the damping shell 131, and an elastic component 138 connected between the supporting platform 133 and the bottom wall of the damping shell 131; wherein, the damping shell 131 is internally provided with a guide rail 132 for the support platform 133 to move, and in a limit space formed by the guide rail 132, a first elastic part is connected between the support platform 133 and the bottom wall of the damping shell 131; the elastic member 138 includes a pair of first driving plates 139 coupled to the support base 133, a driving gear 140 engaged with the first driving plates 139, and a second driving plate 141 engaged with the driving gear 140, the pair of second driving plates 141 being coupled to each other, and a second elastic member 142 coupled between the second driving plate 141 and the bottom wall of the shock-absorbing housing 131.

It should be noted that, in the embodiment of the present invention, the turret milling machine 100 further includes a frame body connecting the base 110, the workbench 120, the milling head, the driving mechanism, and the like. The table 120 may directly bear on the supporting table 133, or may be supported by other supporting members, which is not limited thereto.

It is understood that, in order to increase the damping effect and the strength reliability, the first elastic member and the second elastic member 142 may be made of springs with relatively high stiffness, and meanwhile, multiple sets may be provided in a limited space.

The support base 133 can be displaced relative to the damper housing 131 by the guide rail 132, and can serve as a guide for moving up and down, thereby preventing the table 120 from being tilted. The first driving plate 139, the second driving plate 141 and the driving gear 140 are arranged in pairs, so that the stability of each buffering member can be ensured, and the stability and the levelness of the workbench 120 can be further ensured. Since the second driving plates 141 are connected to each other, the synchronism of the entire up and down movement of the table 120 can be further improved.

In addition, in the horizontal direction, an auxiliary elastic member is further provided in the circumferential direction of the table 120, and is used for absorbing and buffering impact force in the horizontal direction. If the space permits, a similar damper mechanism 130 may be provided in the circumferential direction of the table 120, and only the arrangement direction of the respective members may be changed.

The utility model provides a gun turret milling machine 100 has following technological effect at least: compared with the prior art, in the turret milling machine 100 provided by the utility model, the damping mechanism 130 is arranged between the workbench 120 and the base 110, the support platform 133 and the damping shell 131 are movably arranged through the guide rail 132, so that the guiding effect can be achieved, the stability of the workbench 120 is improved, and the first elastic part can damp the workbench 120; meanwhile, the first driving plate 139 disposed in pair and the second driving plate 141 disposed in pair can move synchronously as much as possible, so that the worktable 120 is ensured to be in a relatively horizontal stable state, and the second driving plates 141 connected to each other can further make the worktable 120 be in a relatively horizontal stable state, so that the inclination of the worktable 120 is reduced, and the second elastic member 142 can absorb shock to the worktable 120.

Referring to fig. 3, as an embodiment, a sliding block 134 is disposed at an end of the supporting platform 133, and the sliding block 134 is slidably engaged with the guiding rail 132. In this embodiment, the sliding block 134 may be formed integrally with the support base 133, or may be fixed together by welding. The contact surface between the slide block 134 and the guide rail 132 is as smooth as possible to reduce the friction generated when the slide block 134 slides, thereby preventing the tilt of the table 120 due to the seizure.

Further, a catching groove 135 is formed between the slide block 134 and the support stage 133, and a catching edge 136 engaged with the catching groove 135 is formed on the guide rail 132. In this embodiment, the engagement between the engaging groove 135 and the engaging edge 136 can prevent the sliding block 134 from disengaging from the guide rail 132, thereby limiting the sliding block 134 in the circumferential direction, i.e., preventing the sliding block 134 from shifting in the horizontal direction.

Referring to fig. 4, as another embodiment, the supporting platform 133 has a plurality of engaging surfaces movably engaged with the guide rail 132, and each engaging surface is provided with a roller 137 in rolling engagement with the guide rail 132. Generally, three mating surfaces are provided between the support platform 133 and the guide rail 132, and each mating surface is provided with a roller 137, so that the friction force of the support platform 133 during the up-and-down movement can be reduced, and the tilting phenomenon of the worktable 120 caused by the jamming can be prevented.

To improve the smoothness and levelness of the table 120, the guide rails 132 are arranged in pairs and are axisymmetrically arranged with respect to the table 120, as a specific embodiment. The plurality of guide rails 132 are arranged in the shock absorption housing 131, two guide rails are arranged in pairs, and each pair of guide rails 132 is arranged in axial symmetry with respect to the workbench 120, so that the supporting table 133 can ensure synchronous and stable movement amount when moving up and down, and further ensure the synchronism of the workbench 120 when moving up and down.

In order to increase the supporting reliability of the supporting base 133, as a specific embodiment, each of the first driving plate 139 and the second driving plate 141 includes a plate body connected to the supporting base 133, and a rack provided at an edge of the plate body. In this embodiment, the first driving plate 139 and the second driving plate 141 each include a plate body connected to the supporting base 133, and a contact area between the first driving plate 139 and the supporting base 133 can be increased to increase stress reliability, and the second driving plate 141 and the first driving plate 139 are provided in the same configuration in order to match the same driving gear 140. The rack is engaged with the transmission gear 140, thereby realizing the transmission of force.

Further, referring to fig. 2, a connecting plate 143 is disposed between the second driving plates 141 arranged in pairs, and a second elastic member 142 is disposed between the connecting plate 143 and the bottom wall of the shock absorbing housing 131. In this embodiment, since the pair of second transmission plates 141 have a certain distance therebetween, the pair of second transmission plates 141 are fixedly connected by the connection plate 143, the connection plate 143 has a connection surface parallel to the worktable 120, and a plurality of second elastic members 142 are disposed between the connection surface and the bottom wall of the shock-absorbing housing 131, so as to increase the shock-absorbing and buffering effects.

In order to increase the damping effect, referring to fig. 2, as an embodiment, the turret milling machine 100 further includes a damping cylinder 144 disposed on the connecting plate 143, a piston 145 slidably disposed in the damping cylinder 144, a compressed gas disposed in the damping cylinder 144, and a push rod 146 connected to the piston 145 and connected to the supporting table 133. When the supporting platform 133 is impacted, the push rod 146 can push the piston 145 to move to extrude compressed gas, the compressed gas rebounds to buffer the force of the supporting platform 133 moving up and down, and the damping and buffering effect on the workbench 120 is further realized. It is understood that, in order to ensure the smoothness and levelness of the table 120, when one shock-absorbing cylinder 144 is provided, the center of the shock-absorbing cylinder 144 coincides with the center of the connection plate 143, and when a plurality of shock-absorbing cylinders 144 are provided, the plurality of shock-absorbing cylinders 144 are symmetrically disposed about the center of the connection plate 143.

Further, a third elastic member 147 is disposed between the support base 133 and the outer wall of the damping cylinder 144. In this embodiment, a relatively rigid spring is generally used as the third elastic member 147, and the third elastic member 147 is uniformly provided in plural numbers. The third elastic member 147 is connected to the outer portion of the top wall of the damping cylinder 144, and the third elastic member 147 can buffer the supporting table 133, so as to buffer the working table 120, thereby realizing multi-stage damping and buffering, and ensuring the stability and levelness of the working table 120 as much as possible.

In order to reduce the shaking of the whole structure, as a specific embodiment, the base 110 is provided with a plurality of detachable weight blocks, and the gravity centers of the plurality of weight blocks coincide with the gravity centers of the base 110, the workbench 120 and the damping mechanism 130 in the gravity direction. The number and weight of the balancing weights can be selected according to the actual milling speed and intensity, and are not limited in this regard. For ease of installation, the center of gravity position may be marked forward on the base 110.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The turret milling machine is characterized by comprising:

a base;

the workbench is arranged on the base; and

the damping mechanism is clamped between the base and the workbench and comprises a damping shell connected to the base, a supporting table connected with the workbench and arranged in the damping shell, and an elastic component connected between the supporting table and the bottom wall of the damping shell;

a guide rail for the support table to move is arranged in the shock absorption shell, and a first elastic piece is connected between the support table and the bottom wall of the shock absorption shell in a limiting space formed by the guide rail;

the elastic assembly comprises first transmission plates, transmission gears and second transmission plates, the first transmission plates are connected to the supporting table in a paired mode, the transmission gears are correspondingly meshed with the first transmission plates, the second transmission plates are correspondingly meshed with the transmission gears, the second transmission plates are arranged in a paired mode and are connected with each other, and second elastic pieces are connected between the second transmission plates and the bottom wall of the damping shell.

2. A turret milling machine according to claim 1, wherein the end of the support platform is provided with a sliding block which is in sliding engagement with the guide rail.

3. The turret milling machine according to claim 2, wherein a catching groove is formed between the slide block and the support table, and the guide rail is formed with a catching edge that engages with the catching groove.

4. A turret milling machine according to claim 1, wherein said support table has a plurality of engagement surfaces for movable engagement with said guide rail, each of said engagement surfaces being provided with a roller for rolling engagement with said guide rail.

5. The turret milling machine according to claim 1, wherein the guide rails are arranged in pairs and are arranged axisymmetrically with respect to the table.

6. The turret milling machine according to claim 1, wherein each of the first and second transmission plates includes a plate body connected to the support table, and a rack provided at an edge of the plate body.

7. The turret milling machine according to claim 1, wherein a connecting plate is provided between the second transmission plates arranged in pairs, and the second elastic member is provided between the connecting plate and the bottom wall of the damper housing.

8. The turret milling machine according to claim 7, further comprising a damping cylinder provided on the connecting plate, a piston slidably provided in the damping cylinder, a compressed gas provided in the damping cylinder, and a push rod connected to the piston and to the support table.

9. The turret milling machine according to claim 8, wherein a third elastic member is further provided between the support table and the outer wall of the damper cylinder.

10. A turret milling machine according to claim 1, wherein said base is provided with a plurality of removable weights, the center of gravity of said plurality of weights coinciding with the center of gravity of said base, said table and said damping mechanism.