CN112658772B - Feeding device for machine tool body and control method thereof - Google Patents
Feeding device for machine tool body and control method thereof Download PDFInfo
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- CN112658772B CN112658772B CN202110300941.7A CN202110300941A CN112658772B CN 112658772 B CN112658772 B CN 112658772B CN 202110300941 A CN202110300941 A CN 202110300941A CN 112658772 B CN112658772 B CN 112658772B
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Abstract
The invention relates to the technical field of machine tools, in particular to a feeding device for a machine tool body and a control method thereof, wherein the feeding device for the machine tool body comprises: the horizontal linkage mechanism is fixedly connected with a strutting part which is positioned at one side of the inserted connecting piece; the opening part is made of flexible materials, the opening part is of an internal hollow structure, cooling liquid is filled in the hollow structure, the opening part is provided with at least one opening curved edge, the opening curved edge is provided with an overflow port, and the overflow port is a normally closed port; when the horizontal linkage mechanism is inserted into the connecting piece, the strutting part is firstly contacted with the connecting piece and is propped outwards so as to be cushioned between the horizontal linkage mechanism and the connecting piece; after the strutting part is propped open to the overflow port, the cooling liquid can pass through the overflow port and flow to between horizontal linkage mechanism and the connecting piece, and then reduce horizontal linkage mechanism's wearing and tearing and to the friction cooling between horizontal linkage mechanism and the connecting piece.
Description
Technical Field
The invention relates to the technical field of machine tools, in particular to a feeding device for a machine tool body and a control method thereof.
Background
Chinese patent, publication (publication) No. CN211387882U, provides a turret milling machine feed mechanism with interpolation function, including a feed base and a balance screw sleeve, the top of the feed base is transversely provided with a balance screw sleeve at the middle position, the balance screw sleeve is fixedly connected to the top of the feed base through an integral casting mold, the top of the feed base is transversely provided with a positioning screw sleeve near the right end edge, the positioning screw sleeve is fixedly connected to the top of the feed base through an integral casting mold, the top of the positioning screw sleeve is provided with a lubricating jack in a penetrating manner, a lubricating component is embedded in the lubricating jack above the positioning screw sleeve, the balance screw sleeve and the positioning screw sleeve are movably bolted with a screw rod, so that a lubricating medium can be effectively and stably and permanently smeared on the surface of the screw rod, further the long-acting lubrication of the screw rod is kept, and meanwhile, through the low permeability of a low permeability sponge ball, the phenomenon of uneven metering during traditional manual coating is avoided.
The manual control feeding base is low in automation degree and cannot guarantee the sliding accuracy of the feeding base, so that the feeding base slides in an electric control mode in the market, the sliding direction of the feeding base is controlled by left and right engagement of the clutch, the engagement process is realized by hard contact, certain abrasion is caused to clutch accessories, and the internal temperature of friction heat generation of the clutch is high.
Disclosure of Invention
The invention aims to provide a feeding device for a machine tool body and a control method thereof.
In order to solve the above technical problem, the present invention provides a feeding device for a machine tool body, including: the feeding base is respectively provided with a horizontal driving mechanism, a horizontal guiding mechanism and a horizontal linkage mechanism; the feeding base is provided with a first cavity and a second cavity which are distributed left and right; the horizontal driving mechanism comprises two direction components arranged in a mirror image mode and a connecting piece positioned between the two direction components, and the two direction components are respectively and rotatably connected to two opposite side walls of the first cavity; the horizontal linkage mechanism is suitable for being inserted into the connecting piece so as to link the feeding base to slide along the horizontal guide mechanism; the horizontal linkage mechanism is fixedly connected with a strutting part, and the strutting part is positioned at one side inserted into the connecting piece; the opening part is made of flexible materials, the opening part is of an internal hollow structure, cooling liquid is filled in the hollow structure, the opening part is provided with at least one opening curved edge, the opening curved edge is provided with an overflow port, and the overflow port is a normally closed port; when the horizontal linkage mechanism is inserted into the connecting piece, the opening part is firstly contacted with the connecting piece and is opened outwards so as to be padded between the horizontal linkage mechanism and the connecting piece; after the opening part is opened until the overflow port is opened, the cooling liquid can flow between the horizontal linkage mechanism and the connecting piece through the overflow port.
Furthermore, the strutting part comprises two oppositely arranged strutting pieces, the strutting pieces are made of flexible materials, the interiors of the strutting pieces are of hollow structures, a strutting curved edge corresponds to one strutting piece, the strutting curved edge is positioned at one side where the two strutting pieces are close to each other, and the distance between the strutting curved edges is gradually increased from the horizontal linkage mechanism to the connecting piece, so that the two strutting pieces are open and face the connecting piece; one sides of the two spreading curved edges, which are close to the horizontal linkage mechanism, are close to each other, and the overflow port is positioned on the spreading curved edge, so that the overflow port on one spreading curved edge is blocked by the other spreading curved edge; when the horizontal linkage mechanism is inserted into the connecting piece, the opening sheet is firstly contacted with the connecting piece and is opened outwards; after the spreading piece is spread until the overflow port is exposed, the cooling liquid can pass through the overflow port and flow to between the horizontal linkage mechanism and the connecting piece.
Furthermore, a sealing groove is formed in one side wall of the overflow port, a sealing strip matched with the sealing groove is arranged on the other side wall of the overflow port, and the overflow port can be blocked by the sealing strip; wherein the opening sheet is opened to the position that the sealing strip is separated from the sealing groove, and the overflow port is opened.
Furthermore, the horizontal linkage mechanism comprises a linkage hand wheel which is rotatably connected to the outer side wall of the feeding base, a linkage shaft which is fixedly connected to the end face of the linkage hand wheel, a linkage rod which is positioned in the first cavity, and a linkage push block which is rotatably connected to the end face of the linkage rod; the linkage shaft penetrates through the feeding base, the linkage rod is fixedly connected with the linkage shaft, and the central axis of the linkage rod is not overlapped with the central axis of the linkage shaft; the linkage push block is provided with an arc-shaped abutting surface at one side far away from the linkage rod, and the abutting surface is suitable for being inserted into the connecting piece; the propping sheets are fixedly connected to the propping surface; after the linkage hand wheel is pushed to the linkage push block to be inserted into the connecting piece, the linkage hand wheel is rotated to enable the connecting piece to be meshed with the component in the required direction.
Furthermore, a water storage cavity is formed inside the linkage push block, and the hollow structure of the opening sheet is communicated with the water storage cavity; the top of the linkage push block is provided with a water inlet, and the bottom of the linkage push block is provided with a water outlet; wherein the cooling liquid enters the water storage cavity from the water inlet and is introduced into the hollow structure.
Furthermore, after the linkage push block is inserted into the connecting piece, a gap is formed between the end surface of the linkage rod and the side wall of the first cavity; a brake rod can be inserted into the gap in a matching manner; the brake rod can block the linkage rod from returning after being inserted into the gap.
Furthermore, the connecting piece comprises a connecting sleeve and two limiting discs, wherein the connecting sleeve is coaxially arranged with the two-direction components, the two limiting discs are sleeved on the connecting sleeve, an inserting position suitable for the linkage push block to be inserted is formed between the two limiting discs, and the distance between the two limiting discs is equal to the thickness of the linkage push block; the inner side walls of the two limiting discs are respectively provided with an accommodating groove, and the accommodating grooves are annular; wherein the strutting piece can be propped open in the containing groove after contacting with the connecting sleeve.
Furthermore, two ends of the connecting sleeve are respectively provided with a first pair of teeth; the horizontal driving mechanism also comprises a motor shaft penetrating through the feeding base, the motor shaft and the linkage shaft are coaxially arranged, and the end part of the motor shaft is provided with a first bevel gear; the direction assembly includes: the inner sleeve is rotatably connected to the inner side wall of the first cavity, the outer sleeve is sleeved outside the inner sleeve, a second pair of teeth capable of being meshed with the first pair of teeth are arranged at the end part of the inner sleeve, and a second conical tooth meshed with the first conical tooth is arranged at the end part of the outer sleeve; wherein the first pair of teeth is capable of engaging a second, different pair of teeth to steer the coupling sleeve.
Furthermore, the horizontal guide mechanism comprises a transmission shaft, a guide screw rod, a positioning threaded sleeve and a balance threaded sleeve, wherein the transmission shaft penetrates through the inner sleeve and the two connecting sleeves to extend into the second cavity; the positioning threaded sleeve and the balance threaded sleeve are respectively in threaded connection with the guide screw rod; the transmission shaft is linked with the guide screw rod; the connecting sleeve is sleeved on the transmission shaft; after the first pair of teeth is meshed with the corresponding second pair of teeth, the connecting sleeve drives the feeding base to slide along the guide screw rod through the transmission shaft.
In another aspect, the present invention further provides a method for controlling a feeding device for a machine tool body, including the feeding device for a machine tool body as described above; pushing the linkage hand wheel towards the direction of the connecting sleeve to enable the opening sheet to be inserted into the inserting position; after the opening pieces are contacted with the connecting sleeve, the linkage hand wheel is continuously pushed, and the two opening pieces respectively extend towards the accommodating groove and are opened; the sealing strip is separated from the sealing groove, so that the cooling liquid passes through the overflow port and is sprayed out for cooling; inserting a brake bar between the linkage bar and a sidewall of the first cavity; the linkage hand wheel is rotated, the limit disc is pushed by the linkage push block to drive the connecting sleeve to slide along the transmission shaft, so that the first pair of teeth is meshed with the corresponding second pair of teeth; when the motor shaft rotates, the first bevel gear is meshed with the second bevel gear to drive the transmission shaft to rotate; the feeding base is driven to slide by the rotation of the linkage guide screw rod.
The feeding device for the machine tool body and the control method thereof have the advantages that the horizontal linkage mechanism is fixedly connected with the opening part, the opening part is positioned at one side inserted into the connecting piece, the direct contact between the horizontal linkage mechanism and the connecting piece is isolated through the arrangement of the opening part, and meanwhile, the opening part is made of flexible materials, so that the mechanical abrasion caused by the fact that the horizontal linkage mechanism is abutted against the rotating connecting piece is reduced; in order to reduce the heat generated by friction between the strutting part and the connecting piece, the strutting part is designed into an internal hollow structure, the hollow structure is filled with cooling liquid, the hollow structure plays a role in storing the cooling liquid, the strutting part is provided with at least one strutting curved edge, the strutting curved edge is provided with an overflow port, and the overflow port is a normally closed port; horizontal link gear inserts during the connecting piece, prop the portion open earlier with the connecting piece contact, when horizontal link gear continues to insert, prop the portion open outwards so that to prop open the bent limit and buckle to the overflow mouth becomes the open mode from the normally closed state, coolant liquid in the hollow structure can flow out and play the cooling effect to the friction between horizontal link gear and the connecting piece, simultaneously, the portion of strutting takes place deformation at the in-process that struts, hollow structure's volume reduces, hollow structure can play again to the coolant liquid from the overflow mouth blowout and play the pressurization effect, and then improve the cooling effect.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a first perspective view of a preferred embodiment of a feed device for a machine tool bed of the present invention;
FIG. 2 is a perspective view of a preferred embodiment of the linkage pusher block of the present invention;
FIG. 3 is a cross-sectional view of a preferred embodiment of the linkage pusher block of the present invention inserted into a docking station;
FIG. 4 is a cross-sectional view of the preferred embodiment of the invention with the spreading sheet spread;
FIG. 5 is a perspective view of a preferred embodiment of the connector of the present invention;
FIG. 6 is a perspective view of a preferred embodiment of the direction assembly of the present invention;
fig. 7 is a second perspective view of a preferred embodiment of the feed device for the bed of the machine tool of the present invention.
In the figure:
a feeding base 1, a first cavity 11 and a second cavity 12;
the horizontal driving mechanism 2, the direction component 21, the inner sleeve 211, the outer sleeve 212, the second pair of teeth 213, the second conical teeth 214, the connecting piece 22, the connecting sleeve 221, the limiting disc 222, the inserting position 223, the accommodating groove 224, the first pair of teeth 225, the motor shaft 23 and the first conical teeth 231;
the horizontal guide mechanism 3, the transmission shaft 31, the guide screw rod 32, the positioning threaded sleeve 33, the balance threaded sleeve 34, the driving gear 35 and the driven gear 36;
the horizontal linkage mechanism 4, a linkage hand wheel 41, a linkage shaft 42, a linkage rod 43, a linkage push block 44, a jacking surface 441, a water storage cavity 442, a water inlet 443, a water outlet 444, a gap 45 and a brake rod 46;
the expansion part 5, the expansion sheet 51, the hollow structure 52, the expansion curved edge 53, the overflow port 54, the sealing groove 541 and the sealing strip 542.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
Example 1
As shown in fig. 1 to 7, the present embodiment provides a feeding device for a bed of a machine tool, including: the feeding base 1 is specifically a frame body, the feeding base 1 is provided with a first cavity 11 and a second cavity 12 which are distributed left and right, the middle of the first cavity 11 and the second cavity 12 is separated by a partition plate, the feeding base 1 is respectively provided with a horizontal driving mechanism 2, a horizontal guiding mechanism 3 and a horizontal linkage mechanism 4, when the feeding base is used, the horizontal linkage mechanism 4 plays a role in linkage of the horizontal driving mechanism 2 and the horizontal guiding mechanism 3, the horizontal guiding mechanism 3 plays a role in guiding the feeding base 1, and the sliding linearity of the feeding base 1 is ensured, so that the processing precision of a workpiece is ensured, and specifically, the horizontal driving mechanism 2 can drive the feeding base 1 to perform the horizontal guiding function; wherein the horizontal driving mechanism 2 comprises two direction components 21 arranged in a mirror image manner and a connecting piece 22 positioned between the two direction components 21, the two direction components 21 are respectively and rotatably connected with two opposite side walls of the first cavity 11, concretely, after the horizontal linkage mechanism 4 is inserted into the connecting piece 22, the sliding direction of the feeding base 1 is controlled by the cooperation of the horizontal linkage mechanism 4 and different direction components 21, the feeding base 1 is driven by the horizontal driving mechanism 2 to slide along the horizontal guiding mechanism 3 according to the adjusted direction, but when the connecting piece 22 is connected with the horizontal driving mechanism 2, the horizontal linkage mechanism 4 rotates along with the horizontal driving mechanism 2, the horizontal linkage mechanism 4 is abutted against the connecting piece 22, after long-time use, the horizontal driving mechanism 2 and the connecting piece 22 generate mechanical wear due to friction, if the wear is excessive, the adjustment of the connecting piece 22 is affected, and the situation that the feeding base 1 cannot be linked to slide is caused, meanwhile, the friction heat generated between the horizontal linkage mechanism 4 and the connecting piece 22 also affects the processing of the workpiece, and in order to solve the above problem, the following scheme is designed.
The horizontal linkage mechanism 4 is fixedly connected with an opening part 5, the opening part 5 is positioned at one side inserted into the connecting piece 22, the direct contact between the horizontal linkage mechanism 4 and the connecting piece 22 is isolated through the arrangement of the opening part 5, and meanwhile, the opening part 5 is made of flexible materials, so that the mechanical abrasion caused by the fact that the horizontal linkage mechanism 4 abuts against the rotating connecting piece 22 is reduced; in order to reduce the heat generated by friction between the opening part 5 and the connecting piece 22, the opening part 5 is designed into an internal hollow structure 52, the hollow structure 52 is filled with cooling liquid, the hollow structure 52 plays a role in storing the cooling liquid, the opening part 5 is provided with at least one opening curved edge 53, the opening curved edge 53 is provided with an overflow port 54, and the overflow port 54 is a normally closed port; horizontal link gear 4 inserts during connecting piece 22, prop open portion 5 earlier with connecting piece 22 contact, when horizontal link gear 4 continues to insert, prop open portion 5 can outwards prop open so that prop open curved edge 53 and buckle to overflow mouth 54 becomes the open mode from the normally closed state, and the coolant liquid in hollow structure 52 can flow out and play the cooling effect to the friction between horizontal link gear 4 and the connecting piece 22, and simultaneously, prop open portion 5 and take place deformation at the in-process of strutting, and the volume of hollow structure 52 reduces, and hollow structure 52 can play again to the coolant liquid from overflow mouth 54 blowout play pressurization effect, and then improves the cooling effect.
The specific structure of the stretching part 5 is as follows, the stretching part 5 comprises two oppositely arranged stretching pieces 51, the stretching pieces 51 are made of flexible materials, a hollow structure 52 is arranged in each stretching piece 51, a stretching curved edge 53 corresponds to each stretching piece 51, the stretching curved edge 53 is positioned on one side of the two stretching pieces 51 close to each other, and when the horizontal linkage mechanism 4 is not inserted into the connecting piece 22, the distance of the stretching curved edge 53 is gradually increased from the horizontal linkage mechanism 4 to the connecting piece 22, so that the two stretching pieces 51 are open and face the connecting piece 22; and when the horizontal linkage mechanism 4 is not inserted into the connecting piece 22, namely when the spreading piece 51 is in an unfolded state, one sides of the two spreading curved edges 53 close to the horizontal linkage mechanism 4 are mutually close and attached, the overflow ports 54 are positioned on the spreading curved edges 53, then when the spreading piece 51 is in an unfolded state, the cooling liquid in the hollow structure 52 cannot flow out from the overflow ports 54, the overflow port 54 on one spreading curved edge 53 is blocked by the other spreading curved edge 53, specifically, the two overflow ports 54 are oppositely arranged, when the two overflow ports 54 are attached to each other, the overflow ports 54 are in a closed state, and after the spreading piece 51 is bent until the overflow ports 54 are exposed, the overflow ports 54 are in an open state, and the cooling liquid can be sprayed out from the overflow ports 54. When horizontal link gear 4 inserts connecting piece 22, prop open piece 51 earlier with the connecting piece 22 contact, horizontal link gear 4 further inserts and makes and prop open piece 51 outwards, prop open piece 51 prop open to after overflow mouth 54 exposes, the coolant liquid can pass overflow mouth 54 flows extremely horizontal link gear 4 with between the connecting piece 22 to lower the temperature to horizontal link gear 4 and connecting piece 22.
In order to improve the spraying effect of the cooling liquid, a sealing groove 541 is formed in one side wall of the overflow port 54, a sealing strip 542 matched with the sealing groove 541 is arranged on the other side wall of the overflow port 54, the sealing strip 542 can block the overflow port 54, and the blocking effect of the overflow port 54 on the cooling liquid in a closed state of the overflow port 54 is further enhanced by the way that the sealing strip 542 is matched with the sealing groove 541, so that the situation that the cooling liquid leaks when the horizontal linkage mechanism 4 is not inserted into the connecting piece 22 is avoided; the opening piece 51 is opened to the sealing strip 542 follows the back is deviate from to the sealing groove 541, the overflow port 54 is opened, compare in the condition that does not set up sealing strip 542 and sealing groove 541, the opportunity that the overflow port 54 was opened can be delayed in this design, and then the deformation volume of opening piece 51 is bigger when the overflow port 54 was opened, and the pressure that the cooling liquid received in hollow structure 52 is bigger, and the power of spouting is bigger when the cooling liquid was spouted, and the blowout is more scattered, and then the cooling effect is better.
In order to realize the pushing of the spreading piece 51, the horizontal linkage mechanism 4 comprises a linkage hand wheel 41 which is rotatably connected to the outer side wall of the feeding base 1, the linkage hand wheel 41 can rotate relative to the feeding base 1, and can be inserted or pulled out relative to the feeding base 1, namely, the linkage hand wheel 41 is inserted into the feeding base 1 to drive the spreading piece 51 to contact with and spread the connecting piece 22, specifically, the linkage hand wheel 41 is connected with the spreading piece 51 through a linkage shaft 42, a linkage rod 43 and a linkage push block 44, the linkage shaft 42 is fixed on the end surface of the linkage hand wheel 41, the linkage shaft 42 is partially positioned in the first cavity 11, the linkage shaft 42 can pass through the feeding base 1, the linkage rod 43 is fixedly connected with the linkage shaft 42, the linkage rod 43 is positioned at one end far away from the linkage hand wheel 41, the linkage push block 44 is rotatably connected on the end surface of the linkage rod 43, the linkage pushing block 44 is positioned at one end far away from the linkage shaft 42, the section of the linkage pushing block 44 is in a fan shape, namely, the linkage pushing block 44 is positioned at one side far away from the linkage rod 43 to form an arc-shaped abutting surface 441, and the abutting surface 441 can contact and rotate with the connecting piece 22 in the process that the linkage pushing block 44 is inserted into the connecting piece 22, namely, the mechanical abrasion at the position of the abutting surface 441 is solved, so that the opening sheet 51 is fixedly connected to the abutting surface 441; after the linkage hand wheel 41 is pushed to the linkage push block 44 and inserted into the connecting piece 22, the linkage push block 44 can keep a vertical state, at the moment, the linkage hand wheel 41 is rotated to drive the connecting piece 22 to swing between the two direction components 21, and the connecting piece 22 can swing to be meshed with the needed direction component 21.
In this embodiment, the central axis of the linkage rod 43 is not coincident with the central axis of the linkage shaft 42, that is, the linkage shaft 42 is eccentric to the linkage rod 43, so that in the process that the linkage hand wheel 41 drives the linkage rod 43 to rotate, the swing amplitude of the linkage push block 44 is larger, and is more easily engaged with the corresponding direction component 21, and meanwhile, the rotation center of the linkage push block 44 is not coincident with the rotation center of the linkage rod 43, so that in the process that the linkage rod 43 rotates, the swing amplitude of the linkage push block 44 can be further increased.
In order to realize the water supply inside the spreading piece 51, a water storage cavity 442 is arranged inside the linkage push block 44, and the hollow structure 52 of the spreading piece 51 is communicated with the water storage cavity 442; the water storage cavity 442 is only a closed cavity, and after the cooling liquid in the water storage cavity 442 is consumed, the water storage cavity 442 cannot be replenished in time, so that a water inlet 443 is arranged at the top of the linkage push block 44, a one-way valve is arranged at the water inlet 443, the cooling liquid in the water storage cavity 442 is ensured to be sufficient by continuously injecting the cooling liquid into the water inlet 443, and meanwhile, after the water storage cavity 442 is used for a long time, the temperature of the cooling liquid in the water storage cavity 442 is gradually increased to influence the cooling effect, so that a water outlet 444 can be arranged at the bottom of the linkage push block 44, the water outlet 444 is also connected with the one-way valve, and the cooling liquid with relatively high temperature in the water storage cavity 442 can be discharged; wherein the cooling liquid enters the impoundment cavity 442 from the impoundment opening 443 and passes into the hollow structure 52 to be sprayed out for cooling.
It should be noted that, because the linkage hand wheel 41, the linkage shaft 42 and the linkage rod 43 are fixed and move synchronously with each other, and the linkage push block 44 is easy to retract after the linkage push block 44 is inserted into the connecting piece 22, so that the connecting piece 22 is separated from the linkage push block 44, in order to solve the above problems, a scheme needs to be designed in which a gap 45 is formed between the end surface of the linkage rod 43 and the side wall of the first cavity 11 after the linkage push block 44 is inserted into the connecting piece 22; a brake rod 46 can be inserted into the gap 45; the thickness of the brake bar 46 is equal to the distance between the linkage bar 43 and the inner side wall of the first cavity 11 when the linkage push block 44 is inserted into the connecting member 22, and the brake bar 46 is inserted into the gap 45 to prevent the linkage bar 43 from backing back, thereby ensuring the linkage stability.
The structure of the specific connecting member 22 is as follows, the connecting member 22 includes a connecting sleeve 221 coaxially arranged with the two-direction assembly 21, two limiting discs 222 sleeved on the connecting sleeve 221, and an inserting position 223 formed between the two limiting discs 222 and suitable for the linkage push block 44 to be inserted, and the distance between the two limiting discs 222 is equal to the thickness of the linkage push block 44, the linkage push block 44 is limited by the limiting discs 222 to keep the linkage push block 44 in a vertical state, by such a design, the condition that the linkage push block 44 deflects and accidentally comes out from the inserting position 223 is avoided, and the linkage stability of the linkage push block 44 to the feeding base 1 is ensured.
It should be noted that, when the spreading pieces 51 are spread outwards, the spreading pieces 51 may press the limiting disc 222, and the spreading pieces 51 and the limiting disc 222 have a larger contact area, so that when the limiting disc 222 rotates along with the connecting sleeve 221, more heat may be generated, in order to solve the above problems, the following scheme is required to be designed, in which the inner side walls of the two limiting discs 222 are respectively provided with an accommodating groove 224, and the accommodating groove 224 is annular, and the accommodating groove 224 is located at the inner ring of the limiting disc 222, that is, the accommodating groove 224 is close to the connecting sleeve 221 side; when the spreading piece 51 is in contact with the connecting sleeve 221 and is spread, the spreading piece 51 is spread into the accommodating groove 224, and the accommodating groove 224 is suitable for accommodating the spread spreading piece 51, so that the contact area between the spreading piece 51 and the connecting sleeve 221 or between the spreading piece 51 and the limiting disc 222 is reduced, frictional heat is reduced, and the processing of a workpiece is ensured.
In order to realize the engagement between the connecting sleeve 221 and the direction component 21, a first pair of teeth 225 are respectively arranged at two ends of the connecting sleeve 221, and the opening directions of the first pair of teeth 225 at two sides are opposite; the horizontal driving mechanism 2 further comprises a motor shaft 23 penetrating through the feeding base 1, the motor shaft 23 and the linkage shaft 42 are coaxially arranged, a first bevel gear 231 is arranged at the end part of the motor shaft 23, and the motor shaft 23 is driven to rotate by the motor so as to provide a driving force for the feeding base 1 to slide; the direction assembly 21 includes: an inner sleeve 211 rotatably connected to the inner side wall of the first cavity 11, an outer sleeve 212 fitted over the inner sleeve 211, the inner sleeve 211 being capable of rotating synchronously with the outer sleeve 212, and the end of the inner sleeve 211 is provided with a second pair of teeth 213 capable of meshing with the first pair of teeth 225, the end of the outer sleeve 212 is provided with second conical teeth 214 engaged with the first conical teeth 231, and after the first conical teeth 231 are engaged with the second conical teeth 214, the motor shaft 23 rotates to drive the outer sleeve 212 to rotate, the outer sleeve 212 rotates to drive the inner sleeve 211 to rotate, the first pair of teeth 225 is engaged with the second pair of teeth 213, so as to drive the connecting sleeve 221 to rotate, after the linkage pushing block 44 is inserted into the inserting position 223, the linkage hand wheel 41 is rotated to drive the linkage pushing block 44 to push the connecting sleeve 221 to slide between the two second pairs of teeth 213, so that the first pair of teeth 225 slide to be engaged with the corresponding second pair of teeth 213, thereby controlling the sliding direction of the feeding base 1.
The specific horizontal guiding mechanism 3 is as follows, the horizontal guiding mechanism 3 includes a transmission shaft 31 extending into the second cavity 12 through an inner sleeve 211 and two connecting sleeves 221, the connecting sleeves 221 are fixed on the transmission shaft 31, the connecting sleeves 221 can slide along the transmission shaft 31, the transmission shaft 31 can synchronously rotate with the connecting sleeves 221, a guide screw 32 is arranged in parallel with the transmission shaft 31, the guide screw 32 is positioned above the feeding base 1, a positioning threaded sleeve 33 and a balance threaded sleeve 34 are fixed on the feeding base 1, the balance threaded sleeve 34 is fixed between the first cavity 11 and the second cavity 12, and the positioning threaded sleeve 33 is installed at one side of the second cavity 12; the positioning screw sleeve 33 and the balance screw sleeve 34 are respectively in threaded connection with the guide screw rod 32; the transmission shaft 31 with the linkage of direction lead screw 32, specific transmission shaft 31 is located second cavity 12 internal fixedly connected with drive gear 35, direction lead screw 32 is at second cavity 12 internal fixedly connected with driven gear 36, driven gear 36 and balanced swivel nut 34 fixed connection, transmission shaft 31 rotates and drives drive gear 35 and rotate, drive direction lead screw 32 through drive gear 35 and 36 meshing of driven gear and rotate, direction lead screw 32 rotates and drives balanced swivel nut 34 and location swivel nut 33 and slide, location swivel nut 33 and balanced swivel nut 34 slide and drive and feed the base 1 and slide.
Example two
In the second embodiment, on the basis of the first embodiment, a control method of a feeding device for a machine tool body is further provided, which includes the feeding device for a machine tool body as described in the first embodiment, and the specific feeding device for a machine tool body is the same as that in the first embodiment, and is not described herein again.
The control method specifically comprises the following steps: pushing the linkage hand wheel 41 towards the connecting sleeve 221 to insert the expansion piece 51 into the insertion position 223; after the spreading pieces 51 contact the connecting sleeve 221, the linkage hand wheel 41 is continuously pushed, and the two spreading pieces 51 respectively extend towards the accommodating groove 224 and spread; the cooling liquid is separated from the sealing groove 541 through the sealing strip 542 so as to be sprayed out through the overflow port 54 for cooling; inserting the braking lever 46 between the linkage lever 43 and the side wall of the first cavity 11; the linked hand wheel 41 is rotated, the limit disc 222 is pushed by the linked push block 44 to drive the connecting sleeve 221 to slide along the transmission shaft 31, so that the first pair of teeth 225 are meshed with the corresponding second pair of teeth 213; when the motor shaft 23 rotates, the first bevel gear 231 is meshed with the second bevel gear 214 to drive the transmission shaft 31 to rotate; the feeding base 1 is driven to slide by the rotation of the linkage guide screw rod 32.
In light of the foregoing description of the preferred embodiment of the present invention, it is to be understood that various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. A feeding device for a machine tool body, comprising:
the feeding base is respectively provided with a horizontal driving mechanism, a horizontal guiding mechanism and a horizontal linkage mechanism;
the feeding base is provided with a first cavity and a second cavity which are distributed left and right;
the horizontal driving mechanism comprises two direction assemblies arranged in a mirror image mode and a connecting piece positioned between the two direction assemblies, the two direction assemblies are respectively and rotatably connected to two opposite side walls of the first cavity, and the sliding direction of the feeding base is adjusted through the cooperation of the horizontal linkage mechanism and different direction assemblies;
the horizontal linkage mechanism is suitable for being inserted into the connecting piece so as to link the feeding base to slide along the horizontal guide mechanism;
the horizontal linkage mechanism is fixedly connected with a strutting part, and the strutting part is positioned at one side inserted into the connecting piece; and
the opening part is made of flexible materials, the opening part is of an internal hollow structure, cooling liquid is filled in the hollow structure, the opening part is provided with at least one opening curved edge, the opening curved edge is provided with an overflow port, and the overflow port is a normally closed port; wherein
When the horizontal linkage mechanism is inserted into the connecting piece, the opening part is firstly contacted with the connecting piece and is opened outwards so as to be padded between the horizontal linkage mechanism and the connecting piece;
after the opening part is opened until the overflow port is opened, the cooling liquid can flow between the horizontal linkage mechanism and the connecting piece through the overflow port.
2. A feeding device for a machine tool body according to claim 1,
the strutting part comprises two oppositely arranged strutting pieces, the strutting pieces are made of flexible materials, the interior of each strutting piece is of a hollow structure, a strutting curved edge corresponds to each strutting piece and is positioned at one side where the two strutting pieces are close to each other, and the distance between the strutting curved edges is gradually increased from the horizontal linkage mechanism to the connecting piece, so that the two strutting pieces are open and face the connecting piece; and
one sides of the two spreading curved edges, which are close to the horizontal linkage mechanism, are close to each other, and the overflow port is positioned on the spreading curved edge, so that the overflow port on one spreading curved edge is blocked by the other spreading curved edge; wherein
When the horizontal linkage mechanism is inserted into the connecting piece, the opening sheet is firstly contacted with the connecting piece and is opened outwards;
after the spreading piece is spread until the overflow port is exposed, the cooling liquid can pass through the overflow port and flow to between the horizontal linkage mechanism and the connecting piece.
3. A feeding device for a machine tool body according to claim 2,
a sealing groove is arranged on one side wall of the overflow port,
the other side wall of the overflow port is provided with a sealing strip matched with the sealing groove, and the overflow port can be blocked by the sealing strip; wherein
The opening sheet is opened until the sealing strip is separated from the sealing groove, and the overflow port is opened.
4. A feeding device for a machine tool body according to claim 3,
the horizontal linkage mechanism comprises a linkage hand wheel which is rotatably connected to the outer side wall of the feeding base, a linkage shaft which is fixedly connected to the end face of the linkage hand wheel, a linkage rod which is positioned in the first cavity, and a linkage push block which is rotatably connected to the end face of the linkage rod; and
the linkage shaft penetrates through the feeding base, the linkage rod is fixedly connected with the linkage shaft, and the central axis of the linkage rod is not overlapped with the central axis of the linkage shaft;
the linkage push block is provided with an arc-shaped abutting surface at one side far away from the linkage rod, and the abutting surface is suitable for being inserted into the connecting piece;
the propping sheets are fixedly connected to the propping surface; wherein
And pushing the linkage hand wheel to the linkage push block to be inserted into the connecting piece, and then rotating the linkage hand wheel to enable the connecting piece to be meshed with the component in the required direction.
5. A feeding device for a machine tool body according to claim 4,
a water storage cavity is formed in the linkage push block, and the hollow structure of the opening piece is communicated with the water storage cavity; and
the top of the linkage push block is provided with a water inlet, and the bottom of the linkage push block is provided with a water outlet; wherein
And the cooling liquid enters the water storage cavity from the water inlet and is introduced into the hollow structure.
6. A feeding device for a machine tool body according to claim 5,
after the linkage push block is inserted into the connecting piece, a gap is formed between the end surface of the linkage rod and the side wall of the first cavity;
a brake rod can be inserted into the gap in a matching manner; wherein
The brake rod can block the linkage rod from returning after being inserted into the gap.
7. A feeding device for a machine tool body according to claim 6,
the connecting piece comprises a connecting sleeve and two limiting discs, wherein the connecting sleeve is coaxially arranged with the two-direction component, the two limiting discs are sleeved on the connecting sleeve, and
an inserting position suitable for the linkage push block to be inserted is formed between the two limiting discs, and the distance between the two limiting discs is equal to the thickness of the linkage push block; and
the inner side walls of the two limiting discs are respectively provided with an accommodating groove, and the accommodating grooves are annular; wherein
The strutting piece can be propped open in the accommodating groove after contacting with the connecting sleeve.
8. A feeding device for a machine tool body according to claim 7,
a first pair of teeth are respectively arranged at two ends of the connecting sleeve;
the horizontal driving mechanism also comprises a motor shaft penetrating through the feeding base, the motor shaft and the linkage shaft are coaxially arranged, and the end part of the motor shaft is provided with a first bevel gear;
the direction assembly includes: the inner sleeve is rotatably connected to the inner side wall of the first cavity, the outer sleeve is sleeved outside the inner sleeve, a second pair of teeth capable of being meshed with the first pair of teeth are arranged at the end part of the inner sleeve, and a second conical tooth meshed with the first conical tooth is arranged at the end part of the outer sleeve; wherein
The first pair of teeth is engageable with a second, different pair of teeth to deflect the coupling sleeve.
9. A feeding device for a machine tool body according to claim 8,
the horizontal guide mechanism comprises a transmission shaft, a guide screw rod, a positioning threaded sleeve and a balance threaded sleeve, wherein the transmission shaft penetrates through the inner sleeve and the two connecting sleeves to extend into the second cavity; and
the positioning threaded sleeve and the balance threaded sleeve are respectively in threaded connection with the guide screw rod;
the transmission shaft is linked with the guide screw rod;
the connecting sleeve is sleeved on the transmission shaft;
after the first pair of teeth is meshed with the corresponding second pair of teeth, the connecting sleeve drives the feeding base to slide along the guide screw rod through the transmission shaft.
10. A method of controlling a feeding device for a machine tool bed, comprising the feeding device for a machine tool bed according to claim 9;
pushing the linkage hand wheel towards the direction of the connecting sleeve to enable the opening sheet to be inserted into the inserting position;
after the opening pieces are contacted with the connecting sleeve, the linkage hand wheel is continuously pushed, and the two opening pieces respectively extend towards the accommodating groove and are opened;
the sealing strip is separated from the sealing groove, so that the cooling liquid passes through the overflow port and is sprayed out for cooling;
inserting a brake bar between the linkage bar and a sidewall of the first cavity;
the linkage hand wheel is rotated, the limit disc is pushed by the linkage push block to drive the connecting sleeve to slide along the transmission shaft, so that the first pair of teeth is meshed with the corresponding second pair of teeth;
when the motor shaft rotates, the first bevel gear is meshed with the second bevel gear to drive the transmission shaft to rotate;
the feeding base is driven to slide by the rotation of the linkage guide screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110300941.7A CN112658772B (en) | 2021-03-22 | 2021-03-22 | Feeding device for machine tool body and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110300941.7A CN112658772B (en) | 2021-03-22 | 2021-03-22 | Feeding device for machine tool body and control method thereof |
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| CN112658772A CN112658772A (en) | 2021-04-16 |
| CN112658772B true CN112658772B (en) | 2021-06-11 |
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| CN202110300941.7A Active CN112658772B (en) | 2021-03-22 | 2021-03-22 | Feeding device for machine tool body and control method thereof |
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Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4310270A (en) * | 1980-02-08 | 1982-01-12 | The Cross Company | Feed unit |
| FR2659890A1 (en) * | 1990-03-22 | 1991-09-27 | Coron Jean Paul | LINEAR GUIDE MODULE FOR THE TRANSLATION AND HANDLING OF ALL PARTS AND ACCESSORIES. |
| JPH08257807A (en) * | 1995-03-24 | 1996-10-08 | Toshiba Tungaloy Co Ltd | Cutting tool with oil feeding hole |
| DE102010049677A1 (en) * | 2010-09-27 | 2012-03-29 | Stama Maschinenfabrik Gmbh | machine tool |
| CN105666225B (en) * | 2016-04-22 | 2018-02-16 | 清华大学 | A kind of ultraprecise low speed ball-screw straight-line feed device |
| CN205673928U (en) * | 2016-05-20 | 2016-11-09 | 双立恒通新材料科技（淮安）有限公司 | A kind of deep hole roller scraper advance and retreat cutter system |
| CN110270697B (en) * | 2019-06-26 | 2024-03-19 | 中船澄西船舶修造有限公司 | Lathe polished rod bracket frock |
| CN211387882U (en) * | 2019-12-16 | 2020-09-01 | 苏州丹维精密机械有限公司 | Turret milling machine feeding mechanism with interpolation function |
| CN111761361B (en) * | 2020-05-13 | 2024-05-24 | 安徽理士电源技术有限公司 | Shaping device for electrode terminal of lead-acid storage battery |
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