Numerically-controlled machine tool with double-end inner supporting structure

Abstract

The utility model discloses a numerical control machine tool with a double-end inner support structure, which relates to the field of numerical control machine tools and comprises a machine tool shell, a sliding inner groove is arranged at the top of the upper surface of the machine tool shell, a push-pull protective door is mounted in the sliding inner groove, and the sliding track of the push-pull protective door corresponds to the opening direction of the machine tool shell. A control panel is installed on the outer surface of the machine tool shell, and a sliding limiting groove is formed in the machine tool shell. According to the numerical control machine tool with the double-end inner supporting structure, when a special-shaped workpiece needs to be machined, firstly, the workpiece is placed above a placement sliding plate, the back of the workpiece is attached to an abutting limiting plate, and after placement is stable, a transmission handle is rotated to drive a rotating worm at the same time; and the rotating worm rotates to push the pushing abutting plate forwards again through the fixed transmission rack until the pushing abutting plate abuts against the front end of the special-shaped workpiece, and the machining face of the machine tool is wider through the design that the transmission handle is tightened again for rotating and fixing.

Description

TECHNICAL FIELD

[0001] The utility model relates to numerical control machine tool technical field, concretely is numerical control machine tool with double -end inner support structure. BACKGROUND

[0002] With the development of economy, the demand of manufacturing industry is increasing, in order to improve efficiency and reduce cost, application lathe processing becomes a better choice, and in order to further improve manufacturing efficiency and product quality, numerical control processing is needed, and in order to ensure the quality and precision of finished products, high-precision numerical control lathe is needed for processing.

[0003] For special-shaped parts and workpieces prone to deformation, if the clamping force is too large when clamping or clamping with the existing lathe fixture, the part will be deformed, if the clamping force is not enough, not only the processing quality is affected, but also there is a security risk, it is difficult to complete the processing of workpiece and easy to cause a large amount of waste products, the lathe inner support clamp used by people mainly has the shortcomings of easy deformation, easy damage to workpiece and unable to process thin-walled pipe fittings.

[0004] In order to overcome the above defects, the prior art (Chinese patent with publication number CN109465658A and application date of November 23, 2018) discloses a numerical control machine tool fourth five-axis automatic inner support clamping device, which comprises a base, a driving assembly installed on the base, a rotating seat installed on the base, a clamping assembly provided on the rotating seat, and the clamping assembly is drivingly connected with the driving assembly; the clamping assembly comprises a divider, the input shaft of the divider is drivingly connected with the driving assembly, the output shaft of the divider is provided with a support seat, the support seat is provided with a support nozzle, the support nozzle is provided with a pull rod, the pull rod penetrates the divider, one end of the pull rod is provided with a pull rod executing part, the pull rod executing part is provided with a rotating body fixing block, the rotating body fixing block is provided with a rotating body, the rotating body is fixed with the pull rod, the fixed end of the pull rod executing part is fixed on the fixed seat, the rotating seat is provided with an executing part controller, the executing part controller controls the pull rod executing part, the cooperation of the pull rod and the pull rod executing mechanism is adopted, the support nozzle is pushed by the reciprocating movement of the pull rod, so as to realize relaxation or clamping, and the efficiency is improved.

[0005] Although the existing design can solve the above problems, when the relatively long workpiece needs to be rotated and processed, the existing design cannot be well stabilized, so that the relatively long workpiece swings during the working process and the processing is unstable, and the double-end inner support design is insufficient for the overall fixation and processing of special-shaped workpieces. UTILITY MODEL CONTENTS

[0006] The utility model discloses a double -end inner support structure is equipped with numerical control machine tool to solve the longer workpiece need to carry out the rotating processing operation when the above -mentioned background art, the existing design can not be well and make the work process longer workpiece swing processing unstable, and face the processing double -end inner support design of special-shaped workpiece is insufficient to carry out the overall fixed processing problem.

[0007] To realize above -mentioned purpose, the utility model provides following technical scheme: a double -end inner support structure is equipped with numerical control machine tool, including machine tool shell, the upper surface top of machine tool shell is seted up with sliding inner groove, and the inside installation of sliding inner groove has push -pull protective door, the sliding track of push -pull protective door corresponds with the opening direction of machine tool shell, and the outer surface of machine tool shell is installed with control panel, the inside installation of machine tool shell has sliding limit slot, and the inside installation of sliding limit slot has sliding engagement mechanism to push -pull contact plate and push, sliding engagement mechanism includes clamping bench vice, and the lower surface of clamping bench vice slides along the inside of sliding limit slot, the inside installation of sliding limit slot has mobile placement slider, and the above of mobile placement slider is installed with the elastic nest mechanism of fixed half -round contact lever.

[0008] Further, the elastic nest mechanism includes a circulating pull motor, and the circulating pull motor is fixedly installed above the mobile placement slider, a first docking inner support head is installed on the outer surface of the front output end of the circulating pull motor, a fitting docking rod is installed on the lower surface of the first docking inner support head, the fitting docking rod is slidingly installed on the outer surface of the first docking inner support head, and a second docking inner support head is installed on the inner surface side of the machine tool shell.

[0009] Further, a docking limit slot is installed below the second docking inner support head, the docking limit slot is slidingly installed on the outer surface of the second docking inner support head, a nest fixing hole is formed on the outer surface of the fitting docking rod, a contact sliding frame is installed on the lower surface of the docking limit slot, a half-round contact lever is installed in the contact sliding frame, and a return compression spring is installed on the outer surface of the half-round contact lever.

[0010] Further, push-contact plates are installed on the left and right sides of the inner surface of the clamping bench vice, a placement sliding plate is installed in the push-contact plates, the placement sliding plate is fixedly installed on the inner surface side of the clamping bench vice, and a fixed transmission rack is installed on the lower surface of the push-contact plates.

[0011] Further, a transmission handle is installed in the lower surface of the clamping bench vice, a rotating worm is fixedly installed at the front end of the transmission handle, the rotating worm is in meshing engagement with the fixed transmission rack, and a contact limit plate is installed at the inner end of the clamping bench vice.

[0012] Further, the end surface of the push-pull protection door is in contact with the inner surface of the sliding inner groove to form a sliding structure, and the outer surface of the sliding plate is in contact with the inner surface of the push contact plate to form a sliding structure, and the outer surface of the rotating worm is in contact with the lower surface of the fixed transmission rack to form a meshing structure.

[0013] Further, the end of the reset compression spring is in contact with the bottom of the inner surface of the butt joint limiting groove, and the opening position of the nested fixed hole is nested with the upper end of the semicircular design of the semicircular contact rod.

[0014] Compared with the prior art, the beneficial effects of the utility model are that: when the special-shaped workpiece needs to be processed, the workpiece is first placed above the sliding plate and the back of the workpiece is attached to the contact limiting plate, the workpiece is placed stably, the transmission handle is rotated to drive the rotating worm, the rotating worm drives the fixed transmission rack to push the contact plate forward, until the contact plate contacts the front end of the workpiece, and the transmission handle is further rotated to fix the design, so that the machining surface of the machine tool is wider;

[0015] Further, when the two end support heads need to be used, the first butt joint support head is first driven by the circulating pulling motor to move forward until it contacts the front end of the workpiece, the end of the workpiece is placed in the second butt joint support head, the forward movement of the first butt joint support head drives the embedded butt joint rod to move and gradually coincide with the butt joint limiting groove, the nested fixed hole continuously slides with the semicircular contact rod until the limit position of the workpiece, and the embedded butt joint rod and the butt joint limiting groove are rotatably installed on the outer surfaces of the first butt joint support head and the second butt joint support head, so that the workpiece does not affect the machining operation during rotation.

[0016] Further, the control panel is fixed on the outer surface of the machine tool shell and corresponds to the left side of the push-pull protection door, so that the operator can control the machine tool in time, and the sliding of the push contact plate through the sliding plate ensures that the workpiece is not affected during movement. DRAWINGS

[0017] Figure 1 It is a three-dimensional structure schematic view of the control panel of the utility model;

[0018] Figure 2 It is a three-dimensional structure schematic view of the second butt joint support head of the utility model;

[0019] Figure 3 It is a three-dimensional structure schematic view of the sliding plate of the utility model;

[0020] Figure 4 It is a three-dimensional structure schematic view of the fixed transmission rack of the utility model;

[0021] Figure 5 It is the three-dimensional structure schematic view of the butt joint limiting groove of the utility model;

[0022] Figure 6 It is the three-dimensional structure schematic view of the reset extrusion spring of the utility model.

[0023] In the figure: 1, machine tool shell; 2, push-pull protective door; 3, sliding inner groove; 4, control panel; 5, sliding limiting groove; 6, clamping bench vice; 7, circulating pull motor; 8, first butt joint inner support head; 9, second butt joint inner support head; 10, abutting limiting plate; 11, placing sliding plate; 12, transmission handle; 13, rotating worm; 14, pushing abutting plate; 15, fixed transmission rack; 16, moving placing sliding block; 17, embedded butt joint rod; 18, butt joint limiting groove; 19, nested fixing hole; 20, semicircular abutting rod; 21, abutting sliding frame; 22, reset extrusion spring. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] Embodiment one: please refer to Figures 1-6 The utility model provides the following technical scheme: a numerical control machine tool with double-head inner support structure, including machine tool shell 1, the upper surface top of machine tool shell 1 is set with sliding inner groove 3, and the inside of sliding inner groove 3 is installed with push-pull protective door 2, and the sliding track of push-pull protective door 2 corresponds with the opening direction of machine tool shell 1, and the outer surface of machine tool shell 1 is installed with control panel 4, and the inside of machine tool shell 1 is installed with sliding limiting groove 5, and the inside of sliding limiting groove 5 is installed with sliding engagement mechanism that pushes pushing abutting plate 14, and sliding engagement mechanism includes clamping bench vice 6, and the lower surface of clamping bench vice 6 slides along the inside of sliding limiting groove 5, and the inside of sliding limiting groove 5 is installed with moving placing sliding block 16, and the top of moving placing sliding block 16 is installed with elastic nested mechanism that fixes semicircular abutting rod 20.

[0026] As Figure 1 , Figure 3 , Figure 4The technical scheme is shown, in order to solve the problem of the limitation of the inner support machine tool for processing of the special-shaped workpiece, disclosed are: the inner surface of the clamping bench vice 6 is provided with a pushing contact plate 14 on the left and right sides, the inside of the pushing contact plate 14 is provided with a sliding plate 11, the side surface of the sliding plate 11 is fixedly installed on the inner surface side of the clamping bench vice 6, the lower surface of the pushing contact plate 14 is provided with a fixed transmission rack 15, the inside of the lower surface of the clamping bench vice 6 is provided with a transmission handle 12, the front end of the transmission handle 12 is fixedly installed with a rotating worm 13, the rotating worm 13 is in meshing with the fixed transmission rack 15, the inside end of the clamping bench vice 6 is provided with a contact limiting plate 10, the end outer surface of the push-pull protective door 2 is in contact with the inner surface of the sliding inner groove 3 to form a sliding structure, the outer surface of the sliding plate 11 is in contact with the inside of the pushing contact plate 14 to form a sliding structure, and the outer surface of the rotating worm 13 is in contact with the lower surface of the fixed transmission rack 15 to form a meshing structure.

[0027] When it is necessary to clamp and fix the special-shaped workpiece, first, the workpiece is placed into the clamping bench vice 6 which is slidingly installed in the sliding limiting groove 5, the bottom surface of the workpiece first contacts the upper surface of the sliding plate 11 which is fixedly installed on the two side surfaces in the inside of the clamping bench vice 6, the workpiece is horizontally slid until the back part is attached to the inner surface of the contact limiting plate 10 which is fixedly installed at the limit position of the clamping bench vice 6, after the workpiece is positioned, the transmission handle 12 which is rotatingly installed in the inside of the lower surface of the clamping bench vice 6 is rotated, since the front end of the transmission handle 12 is fixedly installed with the rotating worm 13, the rotating worm 13 is synchronously rotated, the pushing contact plate 14 is slidingly installed in the inside of the clamping bench vice 6, the lower surface of the pushing contact plate 14 is fixedly installed with the fixed transmission rack 15, the rotating worm 13 is in meshing motion with the fixed transmission rack 15, the fixed transmission rack 15 drives the pushing contact plate 14 to slide along the inside of the clamping bench vice 6, and finally contacts the other surface of the workpiece, the forward sliding of the pushing contact plate 14 passes through the sliding plate 11 to ensure the stability of the sliding track, and does not affect the contact between the pushing contact plate 14 and the workpiece, when processing, the push-pull protective door 2 is slidingly closed in the sliding inner groove 3 which is provided on the top of the machine tool shell 1 to avoid the scattering of iron filings.

[0028] As Figure 2 , Figure 5 , Figure 6The technical scheme is shown, in order to solve the problem of insufficient stability of long workpiece during rotation, which may cause the middle section to deviate, discloses: the elastic nesting mechanism includes a circulating pulling motor 7, and the circulating pulling motor 7 is fixedly installed above the moving placement slider 16, a first butt-in inner support head 8 is installed on the outer surface of the front output end of the circulating pulling motor 7, a matching butt joint rod 17 is installed on the lower surface of the first butt-in inner support head 8, the matching butt joint rod 17 is slidingly installed on the outer surface of the first butt-in inner support head 8, a second butt-in inner support head 9 is installed on the inner surface side of the machine tool housing 1, a butt joint limiting groove 18 is installed below the second butt-in inner support head 9, the butt joint limiting groove 18 is slidingly installed on the outer surface of the second butt-in inner support head 9, a nesting fixing hole 19 is formed on the outer surface of the matching butt joint rod 17, a rubbing sliding frame 21 is installed on the lower surface of the butt joint limiting groove 18, a semicircular rubbing rod 20 is installed in the rubbing sliding frame 21, a reset extrusion spring 22 is installed on the outer surface of the semicircular rubbing rod 20, the end of the reset extrusion spring 22 rubs against the inner surface bottom of the butt joint limiting groove 18, and the nesting fixing hole 19 is correspondingly nested with the upper end semicircular design of the semicircular rubbing rod 20.

[0029] When the inner support head is needed to process the long workpiece, first, a section of the workpiece is inserted into the second butt-in inner support head 9 fixedly installed on the inner surface of the machine tool housing 1, so that the workpiece remains horizontal, then the control panel 4 fixedly installed on the outer surface of the machine tool housing 1 is used to control the moving placement slider 16 to be in a position convenient for processing, then the circulating pulling motor 7 fixedly installed above the moving placement slider 16 is started again through the control panel 4, when the circulating pulling motor 7 is started, the first butt-in inner support head 8 fixedly installed on the outer surface of the front output end is pushed forward, at the same time, the matching butt joint rod 17 rotatingly installed on the outer surface below the first butt-in inner support head 8 is driven to move forward synchronously, the matching butt joint rod 17 gradually slides into the butt joint limiting groove 18, and the lower surface rubs against the semicircular rubbing rod 20, because the upper end of the semicircular rubbing rod 20 is semicircular in design and the semicircular rubbing rod 20 is slidingly installed in the rubbing sliding frame 21, when the nesting fixing hole 19 formed on the surface of the matching butt joint rod 17 contacts the front end of the semicircular rubbing rod 20, it directly rubs downward and then passes through, until the first butt-in inner support head 8 contacts the other end of the workpiece and clamps it, the semicircular rubbing rod 20 and the corresponding nesting fixing hole 19 are nested and fixed, and the reset extrusion spring 22 ensures better nesting effect, the rotating installation of the matching butt joint rod 17 and the butt joint limiting groove 18 ensures that the workpiece is not affected during processing.

[0030] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, the term "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium.

[0031] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A numerical control machine tool with double-head inner support structure, comprising a machine tool shell (1), the upper surface of the machine tool shell (1) is provided with a sliding inner groove (3), and the inside of the sliding inner groove (3) is provided with a sliding protective door (2); characterized in that The sliding track of the sliding protective door (2) corresponds to the opening direction of the machine tool shell (1), and the outer surface of the machine tool shell (1) is provided with a control panel (4), the inside of the machine tool shell (1) is provided with a sliding limiting groove (5), and the inside of the sliding limiting groove (5) is provided with a sliding engagement mechanism for pushing the pushing contact plate (14), the sliding engagement mechanism comprises a clamping bench vice (6), and the lower surface of the clamping bench vice (6) slides along the inside of the sliding limiting groove (5), the inside of the sliding limiting groove (5) is provided with a moving placement slider (16), and the upper side of the moving placement slider (16) is provided with an elastic nesting mechanism for fixing the semicircular contact rod (20).

2. A CNC machine tool provided with a double-end internal support structure according to claim 1, characterized in that: The elastic nesting mechanism comprises a circulating pulling motor (7), and the circulating pulling motor (7) is fixedly installed above the moving placement slider (16), the front output surface of the circulating pulling motor (7) is provided with a first butt inner support head (8), and the lower surface of the first butt inner support head (8) is provided with an embedded butt rod (17), the embedded butt rod (17) is slidingly installed on the outer surface of the first butt inner support head (8), and the inner surface side of the machine tool shell (1) is provided with a second butt inner support head (9).

3. A CNC machine tool provided with a double-end internal support structure according to claim 2, characterized in that: The lower side of the second butt inner support head (9) is provided with a butt limiting groove (18), and the butt limiting groove (18) is slidingly installed on the outer surface of the second butt inner support head (9), the outer surface of the embedded butt rod (17) is provided with a nesting fixing hole (19), and the lower surface of the butt limiting groove (18) is provided with a contact sliding frame (21), the inside of the contact sliding frame (21) is provided with a semicircular contact rod (20), and the outer surface of the semicircular contact rod (20) is provided with a return extrusion spring (22).

4. The numerically controlled machine tool provided with a double-end internal support structure according to claim 1, characterized in that: The left and right sides of the inner surface of the clamping bench vice (6) are provided with a pushing contact plate (14), and the inside of the pushing contact plate (14) is provided with a placement sliding plate (11), the side of the placement sliding plate (11) is fixedly installed on the inner surface side of the clamping bench vice (6), and the lower surface of the pushing contact plate (14) is provided with a fixed transmission rack (15).

5. A CNC machine tool provided with a double-end internal support structure according to claim 4, characterized in that: The inside of the lower surface of the clamping bench vice (6) is provided with a transmission handle (12), and the front end of the transmission handle (12) is fixedly provided with a rotating worm (13), the rotating worm (13) is engaged with the fixed transmission rack (15), and the inside of the clamping bench vice (6) is provided with a contact limiting plate (10).

6. A CNC machine tool provided with a double-end internal support structure according to claim 5, characterized in that: The end outer surface of the sliding protective door (2) and the inner surface of the sliding inner groove (3) constitute a sliding structure, and the outer surface of the placement sliding plate (11) and the inside of the pushing contact plate (14) constitute a sliding structure, and the outer surface of the rotating worm (13) and the lower surface of the fixed transmission rack (15) constitute an engagement structure.

7. The numerically controlled machine tool provided with a double-end internal support structure according to claim 3, characterized in that: The end of the reset compression spring (22) abuts against the inner surface bottom of the butt joint limiting groove (18), and the opening position of the nested fixing hole (19) corresponds to the upper end semicircle design of the semicircle abutting rod (20).

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