CN209970984U

CN209970984U - Feeding mechanism of milling machine

Info

Publication number: CN209970984U
Application number: CN201822205644.0U
Authority: CN
Inventors: 李晓辉; 胡旭峰
Original assignee: Ningbo Bai Chu Integrated Kitchen Co Ltd
Current assignee: Ningbo Bai Chu Integrated Kitchen Co Ltd
Priority date: 2018-12-26
Filing date: 2018-12-26
Publication date: 2020-01-21
Anticipated expiration: 2028-12-26

Abstract

The utility model discloses a milling machine feed mechanism has solved among the prior art staff and has operated the work piece apart from the nearer regional operation work piece of milling cutter, the low problem of security, and its technical scheme main points are: the clamping device is used for clamping and positioning a workpiece on the bottom plate, the locking device comprises a clamping block and a position adjusting assembly for adjusting the position of the clamping block, the horizontal size of the bottom plate is far larger than that of the workpiece to be machined, and the position of the workpiece to be machined is exposed out of the clamping block and the bottom plate; the utility model discloses a milling machine feed mechanism, staff can operate the work piece in the region far away from milling cutter to press from both sides the work piece tight fixedly with the combined action of grip block on through the bottom plate, the staff as long as promote the bottom plate, make the work piece on the bottom plate hug closely the backup plate position, again along the backup plate to milling cutter's direction removal bottom plate can accomplish processing, safe and reliable, the machining precision is high.

Description

Feeding mechanism of milling machine

Technical Field

The utility model relates to a milling machine field, in particular to milling machine feed mechanism.

Background

Wooden products often have fittings with curves, chamfers, etc., such as handles, backrests, etc. in redwood furniture, the conventional machining process of these fittings, as shown in fig. 1, is carried out by the operator holding the workpiece 3 'close to the milling mechanism on the machine 1', the machining is performed by means of a milling cutter 22 'of a milling mechanism, which, as shown in connection with fig. 2, also comprises a spindle 21' and a backup plate 23 'for assisting the operator in positioning the workpiece 3', wherein the rotating shaft 21 'is vertical to the upper surface of the machine tool 1', the milling cutter 22 'is sleeved on the rotating shaft 21' and rotates by taking the rotating shaft as an axial direction, the backup plate 23 'extends towards the milling cutter 22' on the upper surface of the machine tool, when the machining operation is performed, the operator pushes the workpiece 3 ' to move along the backup plate 23 ' to approach the milling cutter 22 ', at the same time as the milling cutter 22 'rotates at high speed, the operator pushes the workpiece 3' to move along the backup plate 23 'towards the milling cutter 22' so that the milling cutter 22 'mills the workpiece 3'. Since the workpiece 3 ' is completely controlled by the operator to move during machining, when the milling cutter 22 ' rotates at a high speed, the stability of the movement of the workpiece 3 ' is poor, which makes the machining precision of the workpiece 3 ' difficult to control, and the hand of the operator needs to frequently control the workpiece 3 ' to be machined in a region close to the milling cutter 22 ', which is likely to cause injury to the operator, and is more dangerous particularly when the width W of the workpiece 3 ' is small.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a can assist staff's location work piece is provided for the staff improves the operation security at the feed mechanism of the control work piece in the region far away from milling cutter, and improves machining efficiency and machining precision.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

the feeding mechanism of the milling machine comprises a bottom plate and a locking device arranged on the bottom plate, wherein the locking device is used for clamping and positioning a workpiece on the bottom plate, the locking device comprises a clamping block and a position adjusting assembly for adjusting the position of the clamping block, the horizontal size of the bottom plate is far larger than that of the workpiece to be processed, and the position of the workpiece to be processed is exposed out of the clamping block and the bottom plate.

Preferably, the clamping block is located above the workpiece, and the position adjusting assembly can adjust the clamping block to move up and down to clamp the workpiece or loosen the workpiece.

Preferably, the position adjusting assembly comprises a support rod vertically installed on the bottom plate, a screw rod arranged in parallel with the support rod, and a connecting piece for connecting the screw rod to the support rod, wherein a first threaded hole matched with the screw rod is longitudinally arranged on the connecting piece in a penetrating mode, the screw rod penetrates through the first threaded hole and can move up and down along the first threaded hole, the bottom end of the screw rod is fixedly connected with the clamping block, and the connecting piece can move up and down along the support rod.

Preferably, a through hole is longitudinally formed in the connecting piece, the connecting piece is sleeved outside the support rod through the through hole, a second threaded hole penetrating through the through hole is formed in the peripheral surface of the through hole, a locking bolt is connected in the second threaded hole and can move inside and outside along the second threaded hole, the inner end of the locking bolt abuts against the support rod, and the upper position and the lower position of the connecting piece relative to the support rod are fixed.

Preferably, the position adjusting assembly further comprises an installation block fixedly connected to the bottom end of the support rod, a plurality of installation grooves extending along the width direction of the bottom plate are formed in the bottom plate, each installation groove comprises a first sliding groove and a second sliding groove, the first sliding grooves are communicated with the second sliding grooves, the first sliding grooves are located above the second sliding grooves, the width of the first sliding grooves is smaller than that of the second sliding grooves, and the installation block is clamped in the second sliding grooves and can slide along the second sliding grooves.

Preferably, the lower portion of the support rod has an external thread and is sleeved with a locking nut, and the bottom of the locking nut abuts against the upper surface of the bottom plate so as to fix the horizontal position of the support rod relative to the bottom plate.

Preferably, each first sliding groove is provided with at least one mounting opening extending to the second sliding groove, the size of the mounting opening corresponds to that of the mounting block, and the mounting block is placed in the second sliding groove through the mounting opening.

Preferably, the base plate is provided with at least one handle assembly comprising a handle extending away from the workpiece.

Preferably, the bottom of the clamping block is provided with an elastic buffer layer.

Compared with the prior art, the utility model discloses an advantage can be operated the work piece in the region far away apart from milling cutter at the staff to the combined action through bottom plate and grip block is fixed with the work piece clamp, and the staff is as long as promote the bottom plate, makes the backup plate position hugged closely to the work piece on the bottom plate, moves the bottom plate and can accomplish processing to milling cutter's direction along the backup plate again, safe and reliable, and the machining precision is high, and the position of this grip block can be adjusted as required, and application scope is wider.

Drawings

Fig. 1 is a top view of a milling machine in the prior art of the present invention.

Fig. 2 is a side view of a milling mechanism of a milling machine according to the prior art of the present invention.

Fig. 3 is a top view of the milling machine in the embodiment of the present invention.

Fig. 4 is a side view of a milling machine in an embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

Milling machine with feed mechanism of the embodiment of the utility model, combine fig. 3 and fig. 4 to show, including lathe body 1, set up milling mechanism and feed mechanism on lathe body 1 upper surface. The milling mechanism comprises a rotating shaft 21 perpendicular to the upper surface of the machine tool body 1, a motor for driving the rotating shaft 21 to rotate, a milling cutter 22 sleeved on the rotating shaft 21 and a backup plate 23 for assisting a worker in positioning the workpiece 3. The backup plate 23 extends on the upper surface of the machine tool body 1 toward the spindle 21 and the milling cutter 22.

The feeding mechanism comprises a bottom plate 4 and a locking device for fixing the workpiece 3 on the bottom plate 4, the position of the workpiece 3 to be processed is exposed out of the locking device, and the workpiece 3 can move synchronously along with the movement of the bottom plate 4, so that the workpiece 3 can be moved only by operating the movement of the bottom plate 4 by an operator. The bottom plate 4 can be set to be much larger than the width of the workpiece 3, so that the worker can move the workpiece 3 in a position area far away from the milling cutter 22, and the safety of production and processing is improved.

Specifically, the locking device comprises a clamping block 5 positioned above the bottom plate 4 and a position adjusting component for adjusting the position of the clamping block 5, wherein the position adjusting component can adjust the horizontal position of the clamping block 5 above the bottom plate 4 and also can adjust the longitudinal position of the clamping block 5 above the bottom plate 4. The workpiece 3 to be machined is placed on the bottom plate 4, the clamping block 5 is located above the workpiece 3, and the clamping block 5 is adjusted to move up and down through the position adjusting assembly, namely the clamping block 5 moves towards the bottom plate 4 or moves away from the bottom plate 4, so that the workpiece 3 is clamped or the workpiece 3 is loosened. Meanwhile, the position to be processed of the workpiece 3 needs to be exposed from the clamping block 5, and if the position to be processed of the workpiece 3 is the bottom side surface of the workpiece 3, the position to be processed of the workpiece 3 needs to be exposed from the bottom plate 4.

The staff passes through grip block 5 and presss from both sides tight workpiece 3 and installs on bottom plate 4, promote bottom plate 4 again and make workpiece 3 hug closely backup plate 23, bottom plate 4 sets to the width that is far greater than workpiece 3 and grip block 5's thickness, open drive milling cutter 22 pivoted motor this moment, promote bottom plate 4 and make workpiece 3 move to milling cutter 22 direction along backup plate 23, and carry out the processing of workpiece 3, because the setting of bottom plate 4, make the staff can be at the opposite side of bottom plate 4, the regional thrust of exerting 3 workpieces apart from milling cutter 22 far away promptly, the security of staff's operation has been improved.

In this embodiment, the clamping block 5 is made of rubber, so as to avoid the workpiece 3 from being marked when the workpiece 3 is clamped, thereby ensuring the beauty of the workpiece 3, and those skilled in the art should understand that the clamping block 5 itself can be made of hard materials, such as metal, wood, etc., and as long as one side of the clamping block 5 close to the workpiece 3 is separately provided with an elastic buffer layer, such as rubber, or other elastic materials, the above problems can be solved.

In order to facilitate the adjustment of the position of the clamping block 5, the position adjusting assembly in this embodiment includes a support rod 6 vertically installed on the bottom plate 4, a screw rod 7 disposed in parallel with the support rod 6, and a connecting member 8 connecting the screw rod 7 to the support rod 6. In this embodiment, the connecting member 8 is a horizontally disposed metal member, the connecting member 8 is longitudinally provided with a first threaded hole 81 in cooperation with the screw 7 in a penetrating manner, the screw 7 is arranged in the first threaded hole 81 in a penetrating manner, two ends of the screw 7 are exposed out of the first threaded hole 81, the bottom end of the screw 7 is fixedly connected with the clamping block 5, and the top end of the screw 7 is fixedly provided with the holding member. When adjusting the position of grip block 5, connecting piece 8 is fixed motionless, and operating personnel rotates the gripping member, because the meshing of screw thread between first screw hole 81 and the screw rod 7, makes the circumferential motion of screw rod 7 convert into the axial displacement of screw rod 7, demonstrates that grip block 5 is close to the motion of work piece 3 or keeps away from work piece 3 motion to press from both sides tight the installation on bottom plate 4 with work piece 3, perhaps realize that grip block 5 loosens work piece 3, make things convenient for the staff to accomplish the installation and the taking off of work piece 3. It will be appreciated by those skilled in the art that the gripping block 5 may also be controlled to move up and down by a pneumatic or hydraulic cylinder.

The stability of the clamping block 5 to use is guaranteed, the clamping block 5 and the connecting piece 8 need to be close to each other as far as possible, so that the screw 7 cannot be arranged too long, the clamping block 5 can only move up and down for a short distance relative to the connecting piece 8, and therefore the connecting piece 8 can be arranged to be of a structure capable of moving up and down along the supporting rod 6. For example, a through hole is longitudinally formed in the connecting member 8, the connecting member 8 is sleeved outside the support rod 6 through the through hole, the connecting member 8 can move up and down along the support rod 6, a second threaded hole penetrating through the connecting member is formed in the circumferential surface of the through hole, a locking bolt 82 is connected in the second threaded hole in a threaded manner, the inner side end of the locking bolt 82 can abut against the support rod 6, the connecting member 8 is fixed at a certain position of the support rod 6 in the up-down direction, the clamping block 5 and the screw 7 can move up and down along the support rod 6 at the same time within a longer distance range, and the distance between the clamping block 5 and the bottom plate 4 can be adjusted to adapt to workpieces 3 with different.

The clamping blocks 5 can be one or more, when the clamping blocks 5 are multiple, multiple points of one workpiece 3 can be fixed at the same time or multiple workpieces 3 can be fixed at the same time, the screw rods 7 can also be one or more, the clamping blocks 5 can be driven to move at the same time, multiple movements can be driven at one time, or multiple clamping blocks 5 can be driven respectively.

Meanwhile, the supporting rod 6 can be arranged into one or more than one, and when only one supporting rod 6 is arranged, a plurality of clamping blocks 5 can be arranged on the supporting rod 6 through the same connecting piece 8. When the supporting rod 6 is provided with a plurality of clamping blocks and the number of the clamping blocks is consistent with that of the clamping blocks 5, one clamping block 5 is arranged on one supporting rod 6 corresponding to one connecting piece 8, the clamping blocks 5 can synchronously act along with the bottom plate 4 under the combined action of the clamping blocks 5 and the bottom plate 4, and the workpiece 3 can be always clamped on the bottom plate 4 during processing.

Further, in order that the feed mechanism can be adapted to a plurality of workpieces 3 of different sizes, a mounting groove 41 is penetrated through the base plate 4, the mounting groove 41 extends between a position where a worker operates and the milling cutter 22, and a plurality of the mounting grooves are provided at intervals in the width direction of the base plate 4, and the bottom of the position adjusting assembly is inserted into the mounting groove 41 and can move along the mounting groove 41.

At the bottom that the position control subassembly is connected with bottom plate 4, the bottom fixedly connected with installation piece 61 of bracing piece 6, mounting groove 41 includes the first spout 411 that is located the top and the second spout 412 that is located the below that communicate each other, wherein the width of first spout 411 is less than the width of second spout 412, installation piece 61 is slided and is installed in second spout 412, and installation piece 61 blocks in second spout 412 and can slide along second spout 412, bracing piece 6 is located the top of mounting groove 41, the lower part of bracing piece 6 has the external screw thread and the cover is equipped with lock nut 62, so that push down the surface of bottom plate 4 through lock nut 62 and lock bracing piece 6 in certain position of mounting groove 41.

As shown in fig. 3, when two support rods 6 and two clamping blocks 5 are provided, the two support rods 6 can be adjusted according to the length of the workpiece 3 and installed in different installation grooves 41, and the positions of the support rods 6 in the installation grooves 41 can also be positioned according to the width of the workpiece 3, and then the workpiece 3 is locked by driving the clamping blocks 5, so that the feeding clamp realizes the installation of the workpieces 3 with different lengths, widths and thicknesses, and has a wide application range.

In order to facilitate the installation of the supporting rod 6, at least one installation opening 413 extending to the second sliding groove 412 is formed in the first sliding groove 411, the shape and size of the installation opening 413 correspond to those of the installation block 61, the installation block 61 is placed in the second sliding groove 412 through the installation opening 413, and the installation opening 413 is located at one end, far away from the workpiece 3, of the corresponding installation groove 41.

In order to move the bottom plate 4 conveniently, at least one handle assembly is arranged on the bottom plate 4, the handle assembly comprises a connecting rod 92 and a handle 91, one end of the connecting rod 92 is fixedly connected with one side of the bottom plate 4, which is far away from the workpiece 3, the other end of the connecting rod 92 is fixedly connected with the handle 91, the handle 91 extends towards one side, which is far away from the workpiece 3, and anti-skid grains are arranged on the outer side wall of the handle 91 to increase the friction between the handle and the hand of an operator. In this embodiment, two handle assemblies are provided to facilitate simultaneous operation of two hands of an operator, and the connecting rod 92 is fixedly connected to the base plate 4 by a bolt to facilitate detachment and replacement of the handle assemblies.

The utility model has the advantages of the staff can be operated the work piece in the region far away apart from milling cutter to press from both sides the work piece tightly with the combined action of grip block on through the bottom plate, the staff as long as promote the bottom plate, make the work piece on the bottom plate hug closely the backup plate position, again along the backup plate to milling cutter's direction removal bottom plate can accomplish processing, safe and reliable, the machining precision is high, and the position of this grip block can be adjusted according to the length, the width and the thickness of work piece, application scope is extensive.

Although the preferred embodiments of the present invention have been described in detail hereinabove, it should be clearly understood that modifications and variations of the present invention are possible to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a milling machine feed mechanism, includes bottom plate (4) and sets up the locking device on bottom plate (4), its characterized in that: the locking device is used for clamping and positioning a workpiece (3) on a bottom plate (4), and comprises a clamping block (5) and a position adjusting assembly for adjusting the position of the clamping block (5), wherein the horizontal size of the bottom plate (4) is far larger than that of the workpiece (3) to be machined, and the position of the workpiece (3) to be machined is exposed out of the clamping block (5) and the bottom plate (4).

2. A milling machine feed mechanism as claimed in claim 1, wherein: the clamping block (5) is located above the workpiece (3), and the position adjusting assembly can adjust the clamping block (5) to move up and down so as to clamp the workpiece (3) or loosen the workpiece (3).

3. A milling machine feed mechanism as claimed in claim 2, wherein: the position adjusting assembly comprises a support rod (6) vertically installed on a bottom plate (4), a screw rod (7) arranged in parallel with the support rod (6), and a connecting piece (8) connecting the screw rod (7) to the support rod (6), wherein a first threaded hole (81) matched with the screw rod (7) is longitudinally arranged in the connecting piece (8) in a penetrating mode, the screw rod (7) penetrates through the first threaded hole (81) and can be moved up and down along the first threaded hole (81), the bottom end of the screw rod (7) is fixedly connected with a clamping block (5), and the connecting piece (8) can be moved up and down along the support rod (6).

4. A milling machine feed mechanism as claimed in claim 3, wherein: the connecting piece (8) is longitudinally provided with a through hole, the connecting piece (8) is sleeved on the outer side of the supporting rod (6) through the through hole, a second threaded hole penetrating through the through hole is formed in the peripheral surface of the through hole, a locking bolt (82) is connected in the second threaded hole, the locking bolt (82) can move inside and outside the second threaded hole, the inner end of the locking bolt is abutted against the supporting rod (6), and the connecting piece (8) is fixed relative to the upper position and the lower position of the supporting rod.

5. A milling machine feed mechanism as claimed in claim 3 or 4, wherein: the position adjusting assembly further comprises an installation block (61) fixedly connected to the bottom end of the supporting rod (6), a plurality of installation grooves (41) extending along the width direction of the bottom plate (4) are formed in the bottom plate (4), each installation groove (41) comprises a first sliding groove (411) and a second sliding groove (412), the first sliding grooves (411) are communicated with the second sliding grooves (412) and located above the second sliding grooves, the width of each first sliding groove (411) is smaller than that of each second sliding groove (412), and the installation block (61) is clamped in the second sliding grooves (412) and can slide along the second sliding grooves (412).

6. The milling machine feed mechanism of claim 5, wherein: the lower portion of the supporting rod (6) is provided with external threads and is sleeved with a locking nut (62), the locking nut (62) is abutted to the upper surface of the bottom plate (4), and therefore the horizontal position of the supporting rod (6) relative to the bottom plate (4) is fixed.

7. The milling machine feed mechanism of claim 5, wherein: the first sliding groove (411) is provided with at least one mounting opening (413) extending to the second sliding groove (412), the size of the mounting opening (413) corresponds to that of the mounting block (61), and the mounting block (61) is placed in the second sliding groove (412) through the mounting opening (413).

8. A milling machine feed mechanism as claimed in claim 1, wherein: the bottom plate (4) is provided with at least one handle assembly, and the handle assembly comprises a handle (91) extending towards one side far away from the workpiece (3).

9. The milling machine feed mechanism of claim 8, wherein: the bottom of the clamping block (5) is provided with an elastic buffer layer.