TWI556905B - Auxiliary elevating device of drill press - Google Patents

Description

Auxiliary lifting device for drilling machine

The present invention relates to a processing machine, and more particularly to an auxiliary lifting device for a drilling machine.

For example, the Chinese drilling machine No. M459043 patent application and the publication No. 201249570 patent application show that a general drilling machine includes a base, a guide post fixed to the base, a head mounted on the top of the guide post, and an adjustable height. And a sliding seat mounted between the head and the base, an adjusting unit mounted on the sliding seat, a locking unit mounted on the sliding seat, and a working platform connected to the sliding seat, the guiding column has a guiding column An axially extending row of teeth, the adjustment unit has a gear set that meshes with the row of teeth of the guide post and a handle that drives the rotation of the gear set.

When the use height of the table connected to the carriage is to be adjusted, the operator first loosens the lock unit. Then, the operator rotates the handle again, and by using the gear set to engage the tooth row of the guide post, the slider can be adjusted to move relative to the guide post, and after the positioning is adjusted, the locking unit is tightened.

Since the sliding seat and the guiding column are single-pointed, the adjustment operation is unstable, and the workbench is heavy, which may make the sliding seat relatively The skewing of the guide post may cause the adjustment operation to be troublesome or even stuck.

Moreover, since the carriage and the guide cylinder have no design in the hoop direction, the carriage may rotate relative to the guide post when the table is adjusted.

In addition, during the above adjustment process, the operator must support the workbench by hand to prevent the workbench from being dangerous due to the weight loss. Therefore, it is cumbersome and laborious to operate.

US Pat. No. 8,562,263 and CA1138687, respectively, utilize crank structure and chain traction, which may prevent the table of the drilling machine from rotating during adjustment, but the sliding seat and the guide column are still single-pointed, so the adjustment is made. The problem of less stable operation still exists.

Accordingly, it is an object of the present invention to provide an auxiliary lifting device for a drill press which is capable of ensuring stable operation of the adjustment of the member and easy adjustment of the operation.

Therefore, the auxiliary lifting device of the drilling machine of the present invention comprises a lower fixing member, an upper fixing member, a main rod, an auxiliary guiding rod and a working unit. The upper fixing member is spaced apart from the lower fixing member, the guiding rod is longitudinally disposed, extends along an axis and is coupled to the lower fixing member and the upper fixing member, and the auxiliary guiding rod is coupled to the lower fixing member and the upper fixing member Between the members, and parallel to the main rod, the working unit has a working portion, at least one main fitting portion connected to the working portion and slidably sleeved on the main rod, and at least one connected to the main sleeve And slidably sleeved on the auxiliary sleeve of the auxiliary guide The lower fixing member is disposed at the bottom of the main rod, and has a ring sleeve for connecting the auxiliary guiding rod and a base that can be stably fixed to the ground, and the ring sleeve can be tightly positioned or released relative to the base. .

The effect of the present invention is that the main rod of the working unit is connected to the working portion and is slidably sleeved on the working rod, and the auxiliary sleeve is connected to the auxiliary rod. The main sleeve portion is slidably sleeved on the auxiliary guide rod, so that the working portion can produce stable lifting adjustment, and the adjustment operation ensures smooth operation.

10‧‧‧ Lower fixtures

11‧‧‧Enclosed

12‧‧‧Base

20‧‧‧Upper fixture

21‧‧‧ positioning ring

22‧‧‧Adjust the handle

30‧‧‧Dollar

L‧‧‧ axis

40‧‧‧Auxiliary Guide

50‧‧‧Working unit

51‧‧‧Working Department

52‧‧‧Main Assembly

53‧‧‧Deputy Assembly

54‧‧‧Locking parts

60‧‧‧Flexible parts

70‧‧‧ head unit

The other features and advantages of the present invention will be apparent from the detailed description of the embodiments of the present invention, wherein: FIG. 1 is a top perspective view of an embodiment of an auxiliary lifting device for a drill press of the present invention; 3 is a front view combined view of the above embodiment of the present invention, illustrating a working portion disposed between the lower fixing member and a head unit; and FIG. 4 is the above embodiment of the present invention. An adjustment diagram of the work department of the example.

Referring to FIG. 1 , FIG. 2 and FIG. 3 , an embodiment of the auxiliary lifting device of the drilling machine of the present invention comprises a lower fixing member 10 , an upper fixing member 20 , a main rod 30 , an auxiliary guiding rod 40 , a working unit 50 , An elastic member 60 and a head unit 70 disposed on the top of the main rod 30.

The lower fixing member 10 is disposed on the bottom of the main rod 30 opposite to the head unit 70, and has a ring sleeve for connecting the auxiliary guiding rod 40. 11 and a base 12 that can be stably fixed to the ground, and the collar 11 can be tightened or released relative to the base 12.

The upper fixing member 20 of the embodiment is spaced apart from the lower fixing member 10 and is adjustably disposed between the lower fixing member 10 and the head unit 70. The upper fixing member 20 has a positioning collar 21 and an adjustment handle 22 for causing the positioning collar 21 to be tightly positioned or released relative to the main rod 30.

The main shaft 30 is disposed in the longitudinal direction and extends along an axis L and is connected to the lower fixing member 10 and the positioning ring sleeve 21 of the upper fixing member 20. In this embodiment, the top end of the main rod 30 passes through the upper fixing member. 20 positioning ring sleeve 21.

The auxiliary guiding rod 40 is connected between the collar 11 of the lower fixing member 10 and the positioning collar 21 of the upper fixing member 20 and parallel to the guiding rod 30.

The working unit 50 of the embodiment may be a workbench, and has a working portion 51 in the form of a platform, a main sleeve portion 52 connected to the working portion 51 and slidably sleeved on the main rod 30, and two respectively a sub-sleeve portion 53 slidably sleeved on the main sleeve portion 52 and slidably sleeved on the auxiliary guide rod 40 and mounted on the main sleeve portion 52 and the main sleeve portion 52 can be bundled relative to the main rod portion 30 A locking member 54 that is tightly positioned or released. The sub-sockets 53 are connected to the upper and lower ends of the main fitting portion 52 at intervals corresponding to the axis L.

The elastic member 60 is coupled to the working unit 50, and the elastic force of the elastic member 60 constantly keeps the working unit 50 close to the upper fixing member 20. The elastic member 60 of the embodiment is sleeved outside the auxiliary guiding rod 40 The compression spring is biased between the collar 11 of the lower fixture 10 and the sub-jacket 53 located below.

The head unit 70 can mount a tool and perform a machining operation on a workpiece (not shown) fixed to the working portion 51.

As shown in FIG. 3, when the overall assembly of the drilling machine is completed, the head unit 70 is disposed above the working portion 51 of the working unit 50, and the tool mounted by the head unit 70 can be fixed to the working portion 51. The workpiece (not shown) is processed.

When the workpieces of different sizes are matched and the height of the working unit 50 is to be adjusted, the operator can first operate the locking member 54 and release the main fitting portion 52 relative to the main rod 30. At this time, the elasticity is utilized. The elastic force of the member 60 can elastically resist the working unit 50 and resist the self-weight of the working unit 50 to prevent the working unit 50 from falling down at random, and the operator can press the working portion 51 downward. Until the working portion 51 is adjusted to the required height, the main fitting portion 52 is slid relative to the main rod 30 during the adjustment, and the sub-socket portions 53 are slid relative to the auxiliary guiding rod 40. Finally, the locking member 54 is operated again, and the main fitting portion 52 is tightened and positioned relative to the main rod 30, so that the height of the working unit 50 can be adjusted without any step (see FIG. 4).

In the process of adjusting the working unit 50, the main sleeve portion 52 is slidably sleeved on the main rod 30, and the sub-socket portions 53 are slidably sleeved on the auxiliary guide rod 40. The working unit 50 can be multi-pointed with the main rod 30 and the auxiliary guiding rod 40, so that the adjustment operation is quite stable even if the working portion 51 is heavy. The main fitting portion 52 and the auxiliary sleeve portion 53 are prevented from being skewed with respect to the main guide rod 30 and the auxiliary guide rod 40, so that the adjustment operation is smooth.

Furthermore, the main sleeve portion 52 and the main rod 30, the sub-socket portions 53 and the auxiliary guide rod 40 are slidably sleeved, and the loop sleeve 11 can be tightened relative to the base 12. The function of positioning or releasing can be operated when the main sleeve 52 is released from the main rod 30 and the loop 11 is also released from the base 12, and the working unit 50 and the auxiliary can be operated. The guiding rod 40 rotates with the main rod 30 as an axis, adjusts the horizontal position of the working unit 50, and can adjust the relative position of the working unit 50 and the head unit 70.

It is worth mentioning that when the working unit 50 is performing the lifting adjustment, the working unit 50 can be elastically biased by the elastic force of the elastic member 60, and the operator only needs to hold the working unit 50 by hand. The work unit 50 is prevented from being dangerous due to the falling of its own weight, so it is safer and labor-saving during operation, and is quite time-saving.

In summary, the constituent elements of the present invention are relatively simple, and the manufacturing assembly is relatively easy, and the lifting adjustment of the working unit 50 can be made relatively stable, smooth, safe, and labor-saving, so that the object of the present invention can be achieved.

However, the above is only the embodiment of the present invention, and the scope of the present invention is not limited thereto, that is, the simple equivalent changes and modifications made by the patent application scope and the patent specification of the present invention are still It is within the scope of the patent of the present invention.

10‧‧‧ Lower fixtures

11‧‧‧Enclosed

12‧‧‧Base

20‧‧‧Upper fixture

21‧‧‧ positioning ring

22‧‧‧Adjust the handle

30‧‧‧Dollar

40‧‧‧Auxiliary Guide

50‧‧‧Working unit

51‧‧‧Working Department

52‧‧‧Main Assembly

53‧‧‧Deputy Assembly

60‧‧‧Flexible parts

70‧‧‧ head unit

Claims (6)

An auxiliary lifting device for a drilling machine, comprising: a lower fixing member; an upper fixing member spaced apart from the lower fixing member; a main rod longitudinally disposed along an axis and connected to the lower fixing member and the upper fixing member An auxiliary guide rod connected between the lower fixing member and the upper fixing member and parallel to the main rod; and a working unit having a working portion, at least one connected to the working portion and slidably sleeved a main sleeve portion of the main rod and at least one sub-sleeve portion slidably sleeved on the main sleeve portion and slidably sleeved on the auxiliary guide rod; wherein the lower fixing member is disposed at the bottom of the main rod The utility model has a ring sleeve for connecting the auxiliary guiding rod and a base which can be stably fixed to the ground, and the ring sleeve can be tightly positioned or released relative to the base. The auxiliary lifting device of the drilling machine according to claim 1, further comprising an elastic member connected to the working unit, the elastic force of the elastic member constantly keeping the working unit close to the tendency of the upper fixing member. The auxiliary lifting device of the drilling machine of claim 2, wherein the elastic member is a compression spring sleeved outside the auxiliary guiding rod and abuts between the lower fixing member and the auxiliary sleeve portion. The auxiliary lifting device of the drilling machine according to claim 3, wherein the number of the sub-sockets of the working unit is two, and the upper and lower ends of the main fitting portion are connected to the axis at intervals. The auxiliary lifting device of the drilling machine according to any one of claims 1 to 4, wherein the drilling machine further has a head unit disposed on the top of the main rod, the lower fixing member being disposed opposite to the head unit At the bottom of the main rod, the working unit can be a workbench. The auxiliary lifting device of the drilling machine of claim 5, wherein the working unit further has a locking member mounted to the main fitting portion and capable of tightening or releasing the main fitting portion relative to the main rod.