CN215510371U

CN215510371U - Foot support frame for numerically controlled grinder

Info

Publication number: CN215510371U
Application number: CN202120975842.4U
Authority: CN
Inventors: 张善语
Original assignee: Guizhou Dingshan Precision Machinery Co ltd
Current assignee: Guizhou Dingshan Precision Machinery Co ltd
Priority date: 2021-05-08
Filing date: 2021-05-08
Publication date: 2022-01-14
Anticipated expiration: 2031-05-08

Abstract

The utility model discloses a foot support frame for a numerically controlled grinder, belongs to the technical field of numerically controlled grinders, solves the problems of incapability of eliminating collision and high noise caused by collision, and provides a foot support frame for a numerically controlled grinder, which comprises an upper support rod and a lower support rod which is arranged on the upper support rod and is in sliding connection with the upper support rod, wherein a first chute is arranged at the bottom of the upper support rod, a second chute is arranged on the lower support rod, a first rubber plug is arranged at the bottom of an inner ring of the upper support rod, a buffer device is arranged in the second chute, the buffer device comprises an extension spring and a positioning rod connected with one end of the extension spring, so that collision between a cutter and a workpiece can not be eliminated in time in the process of processing different workpieces according to the numerically controlled grinder to solve the problem of integral vibration, multi-level vibration absorption measures are designed to buffer the operation and absorb vibration of equipment, therefore, noise generated by vibration among all parts is relieved, and the running stability of the whole equipment is indirectly improved.

Description

Foot support frame for numerically controlled grinder

Technical Field

The utility model belongs to the technical field of numerical control grinding machines, and particularly relates to a foot support frame for a numerical control grinding machine.

Background

The foot support frame for the numerically controlled grinder is mainly used for supporting the numerically controlled grinder, can be lifted up and down in two directions according to the horizontal height required by the numerically controlled grinder when a workpiece is machined, and the bidirectional foot support of the numerically controlled grinder needs to press the clamping blocks on two sides firstly when lifted up and down so as to separate the inner shaft from the outer pipe, so that the inner shaft can slide in the outer pipe, and the application range of the numerically controlled grinder is wider. Meanwhile, when the grinding machine is used for machining, collision between the cutter and the workpiece cannot be eliminated in time, integral vibration is caused, connection of all parts is damaged in different degrees, and strong noise is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a foot support frame for a numerical control grinding machine, which solves the problems that collision caused by collision cannot be eliminated and noise is high.

The technical scheme adopted by the utility model is as follows:

a foot support frame for a numerical control grinding machine comprises an upper support rod and a lower support rod which is arranged on the upper support rod and is in sliding connection with the upper support rod, wherein a first sliding groove for the lower support rod to vertically slide is formed in the bottom of the upper support rod; first spout shape is loop configuration, goes up the bracing piece and has inner ring and outer loop set up the second spout that supplies the sliding usefulness of the inner ring of bracing piece on the lower support bar, the outer loop of going up the bracing piece is along the vertical slip of body surface of lower support bar, the inner ring bottom of going up the bracing piece is provided with first rubber buffer, first rubber buffer constitutes confined seal chamber with the second spout.

In the structure, the first rubber plug and the second sliding groove which are arranged on the inner ring of the upper supporting rod form a sealed sealing cavity, the air in the sealed sealing cavity is used for buffering, the equipment is subjected to shock absorption, so that the noise generated by the shock between each part is relieved, the collision damage between each part is reduced, the acting force generated by the collision between the cutter and the workpiece is weakened, and the running stability of the whole equipment is improved indirectly.

Further, be provided with buffer in the second spout, buffer includes extension spring and the locating lever of being connected with extension spring one end, the extension spring other end is connected on the inside wall of second spout, the locating lever passes first rubber buffer and last bracing piece bottom, gives the secondary shock attenuation on above-mentioned basis, and through the reaction force that provides behind the extension spring atress, cushions when carrying out the support to last bracing piece.

Furthermore, at least two extension springs are arranged and are symmetrically arranged about a symmetric central axis of the positioning rod, and a plurality of extension springs are symmetrically arranged on two sides of the positioning rod in a symmetrical mode in order to keep the stress balance of the extension springs.

Further, the locating lever below is provided with the second rubber buffer, second rubber buffer and second spout sliding connection, the second rubber buffer of being connected by the locating lever below forms the second spout and seals the cavity, forms two with the cavity on foretell mode basis, realizes shock attenuation work for the third time, and simultaneously, vacant lower support bar and last bracing piece have reduced the whole weight of foot support frame, and the in-process of installation or transport is more laborsaving.

Further, the below of second rubber buffer is provided with compression spring, the one end and the compression spring of second rubber buffer are connected, the tank bottom at the second spout is connected to the second rubber buffer other end, and design compression spring provides the support for the second rubber buffer, ensures under the normal no external force's the condition, and the second rubber buffer has certain height apart from the tank bottom of second spout, and the second rubber buffer is so that compress the air wherein to can also provide reaction force in the compression, compression spring still provides the additional action for the buffering work of second rubber buffer.

Furthermore, a positioning disc is arranged at the bottom of the lower supporting rod, a bearing is arranged on the positioning disc and the lower supporting rod, the outer ring of the bearing is connected with the positioning disc, and the inner ring of the bearing is connected with the lower supporting rod.

Furthermore, the positioning disc is provided with an adjusting device for adjusting the height of the protrusion, and the adjusting device is controlled by lifting in the upper direction and the lower direction according to the horizontal height required by the numerically-controlled grinding machine when the workpiece is machined, so that the numerically-controlled grinding machine is kept balanced.

Furthermore, adjusting device adopts the telescopic link, telescopic link and positioning disk threaded connection, open threaded hole below the positioning disk and correspond the screw thread post that opens on the telescopic link, can rotate the positioning disk and can adjust the telescopic link and extend the bellied height in positioning disk bottom and adjust, in order to ensure that last bracing piece and be provided with on last bracing piece with its sliding connection's bottom bracing piece can not follow the rotation, be provided with the bearing between positioning disk and bottom bracing piece, the bearing outer lane is connected with the positioning disk, the bearing inner circle is connected with the bottom bracing piece.

In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:

1. in order to solve the problem that the collision between a cutter and a workpiece cannot be eliminated in time to cause overall vibration in the process of machining different workpieces according to a numerically controlled grinder, damping measures are designed, and first echelon buffering and damping are provided by a first rubber plug, a second sliding groove and a second rubber plug; the second rubber plug and the second sliding groove provide second fleet buffering and shock absorption; providing third fleet damping by extension and compression springs; the damping device is suitable for damping foot supporting frames of different numerically controlled grinders, the damping is realized through air in the sealed cavity, the damping is carried out on the device, the noise generated by vibration between each part is relieved, collision damage between each part is reduced, the acting force generated by collision between a cutter and a workpiece is weakened, and the running stability of the whole device is improved indirectly.

2. The adjusting device who designs altitude mixture control adapts to different height demands, compensate and adjust on the difference in height, open threaded hole below the positioning disk and correspond the screw thread post that opens on the telescopic link, can rotate the positioning disk and can adjust the telescopic link and extend the bellied height in positioning disk bottom and adjust, in order to ensure that the bracing piece with and be provided with on the last bracing piece with its sliding connection's bottom bracing piece can not follow rotation design bearing and connect both, swift and convenient.

3. The lower support rod and the upper support rod of the cavity structure reduce the overall weight of the foot support frame, and the manufacturing cost of the foot support frame for the numerically controlled grinder is reduced while labor is saved in the installation or carrying process.

Drawings

FIG. 1 is a cross-sectional view of the overall structure of the present invention;

FIG. 2 is a perspective view of the overall construction of the present invention;

the labels in the figure are: 2. a first chute; 3. a second chute; 4. a lower support bar; 5. a second rubber plug; 6. a compression spring; 7. an adjustment device; 8. a bearing; 9. positioning a plate; 10. a compression spring; 11. positioning a rod; 12. a first rubber plug; 13. an upper support rod; 13a. inner ring; 13b. outer ring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Example 1:

as shown in fig. 1 and 2, a foot support frame for a numerically controlled grinder comprises an upper support rod 13 and a lower support rod 4 slidably connected to the upper support rod 13, wherein a first chute 2 for the lower support rod 4 to vertically slide is formed at the bottom of the upper support rod 13; the shape of the first chute 2 is an annular structure, the upper supporting rod 13 is provided with an inner ring 13a and an outer ring 13b, the lower supporting rod 4 is provided with a second chute 3 for sliding the inner ring of the upper supporting rod 13, the outer ring of the upper supporting rod 13 vertically slides along the body surface of the lower supporting rod 4, the bottom of the inner ring of the upper supporting rod 13 is provided with a first rubber plug 12, and the first rubber plug 12 and the second chute 3 form a sealed sealing cavity.

In the above structure, the first sliding groove 2 of the upper support rod 13 having the inner ring 13a and the outer ring 13b to form a ring structure provides the lower support rod 4 with up and down movement, ensures that no offset occurs, the lower support rod 4 is provided with a second sliding chute 3 for sliding the inner ring of the upper support rod 13, a channel is provided for the up-and-down movement of the inner ring 13a of the upper support rod 13, so that the inner ring can directionally move along the second sliding chute 3, meanwhile, the first rubber plug 12 arranged on the inner ring 13a of the upper support rod 13 and the second chute 3 form a sealed cavity, when the upper support rod 13 is subjected to external force, the air in the sealed cavity is compressed, thereby realizing the buffering of the device and damping the device, thereby relieving the noise generated by the vibration among all parts, and collision damage among all parts is reduced, acting force generated by collision between the cutter and the workpiece is weakened, and the running stability of the whole equipment is indirectly improved.

Example 2:

the embodiment is developed on the basis of embodiment 1, as shown in fig. 1 and fig. 2, a buffer device is arranged in the second chute 3, the buffer device comprises an extension spring 10 and a positioning rod 11 connected with one end of the extension spring 10, the other end of the extension spring 10 is connected to the inner side wall of the second chute 3, the positioning rod 11 penetrates through a first rubber plug 12 and the bottom of an upper supporting rod 13, secondary shock absorption is performed on the basis, and the upper supporting rod 13 is buffered while being supported by a reaction force provided after the extension spring 10 is stressed; a second rubber plug 5 is arranged below the positioning rod 11, the second rubber plug 5 is in sliding connection with the second sliding chute 3, the second sliding chute 3 is formed into a closed cavity by the second rubber plug 5 connected below the positioning rod 11, and two cavities are formed on the basis of the mode, so that third damping work is realized, meanwhile, the empty lower supporting rod 4 and the empty upper supporting rod 13 reduce the overall weight of the foot supporting frame, and labor is saved in the installation or carrying process; a compression spring 6 is arranged below the second rubber plug 5, one end of the second rubber plug 5 is connected with the compression spring 6, the other end of the second rubber plug 5 is connected to the bottom of the second sliding groove 3, the compression spring 6 is designed to support the second rubber plug 5, and under the condition of ensuring normal no external force, the second rubber plug 5 has a certain height from the bottom of the second sliding groove 3, the second rubber plug 5 is convenient for compressing air therein and can also provide a reaction force while compressing, and the compression spring 6 also provides an auxiliary action for the buffering work of the second rubber plug 5; at least two extension springs 10 are arranged and symmetrically arranged about a symmetric central axis of the positioning rod 11, and a plurality of extension springs 10 are symmetrically arranged on two sides of the positioning rod 11 in a symmetric mode in order to keep the stress balance of the extension springs 10.

Example 3:

the embodiment is developed on the basis of embodiment 2, as shown in fig. 1 and fig. 2, a positioning disc 9 is arranged at the bottom of the lower support rod 4, a bearing 8 is arranged between the positioning disc 9 and the lower support rod 4, the outer ring of the bearing 8 is connected with the positioning disc 9, and the inner ring of the bearing 8 is connected with the lower support rod 4; the positioning disc 9 is provided with an adjusting device 7 for adjusting the height of the protrusion, and the adjusting device 7 is controlled to lift up and down in two directions according to the horizontal height required by the numerically-controlled grinding machine when a workpiece is machined so as to keep the numerically-controlled grinding machine balanced; adjusting device 7 adopts the telescopic link, telescopic link and 9 threaded connection of positioning disk, it has the screw thread post that the screw hole opened on the corresponding telescopic link of positioning disk 9 below, can rotate positioning disk 9 and can adjust the telescopic link and extend the bellied height in positioning disk 9 bottom and adjust, in order to ensure that last bracing piece 13 with and be provided with on last bracing piece 13 with its sliding connection's lower bracing piece 4 can not follow the rotation, be provided with bearing 8 between positioning disk 9 and lower bracing piece 4, bearing 8 outer lane is connected with positioning disk 9, bearing 8 inner circle is connected with lower bracing piece 4.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A foot support frame for a numerically controlled grinder is characterized by comprising an upper support rod (13), a lower support rod (4) which is connected with the upper support rod in a sliding manner and arranged on the upper support rod (13), and a first sliding groove (2) for the lower support rod (4) to vertically slide is formed in the bottom of the upper support rod (13); first spout (2) shape is the loop configuration, goes up bracing piece (13) and has inner ring and outer loop set up second spout (3) that the inner ring of confession bracing piece (13) slided and use on lower support bar (4), the outer loop of going up bracing piece (13) is along the vertical slip of body surface of lower support bar (4), the inner ring bottom of going up bracing piece (13) is provided with first rubber buffer (12), first rubber buffer (12) constitute confined seal chamber with second spout (3).

2. The foot support frame for the numerically controlled grinder according to claim 1, wherein a buffering device is arranged in the second sliding groove (3), the buffering device comprises an extension spring (10) and a positioning rod (11) connected with one end of the extension spring (10), the other end of the extension spring (10) is connected to the inner side wall of the second sliding groove (3), and the positioning rod (11) penetrates through the bottoms of the first rubber plug (12) and the upper support rod (13).

3. The foot rest for the numerically controlled grinding machine as claimed in claim 2, characterized in that the tension springs (10) are provided in at least two and are arranged symmetrically with respect to the central axis of symmetry of the positioning rod (11).

4. The foot rest for the numerically controlled grinder as claimed in claim 2, wherein a second rubber plug (5) is provided below the locating rod (11), the second rubber plug (5) being slidably connected to the second chute (3).

5. The foot rest for the numerically controlled grinder according to claim 4, wherein a compression spring (6) is arranged below the second rubber plug (5), one end of the second rubber plug (5) is connected with the compression spring (6), and the other end of the second rubber plug (5) is connected to the bottom of the second chute (3).

6. The foot support frame for the numerically controlled grinder as claimed in claim 1, wherein a locating disc (9) is arranged at the bottom of the lower support rod (4), a bearing (8) is arranged between the locating disc (9) and the lower support rod (4), the outer ring of the bearing (8) is connected with the locating disc (9), and the inner ring of the bearing (8) is connected with the lower support rod (4).

7. A foot rest for a numerically controlled grinding machine as claimed in claim 6, characterised in that the puck (9) is provided with means (7) for adjusting the height of the protrusions.

8. The foot rest for the numerically controlled grinding machine as claimed in claim 7, characterized in that the adjustment means (7) are telescopic rods, which are screwed to the positioning plate (9).