CN214643444U

CN214643444U - Combined machining workbench

Info

Publication number: CN214643444U
Application number: CN202121075375.6U
Authority: CN
Inventors: 杨洁; 蒋凌锋
Original assignee: Gansu Vocational College of Energy and Chemical Industry
Current assignee: Gansu Vocational College of Energy and Chemical Industry
Priority date: 2021-05-19
Filing date: 2021-05-19
Publication date: 2021-11-09
Anticipated expiration: 2031-05-19

Abstract

The utility model discloses a combined machining workbench, which relates to the technical field of machining, and comprises a lead screw, wherein the lead screw and a sliding block are matched to have self-locking performance, and when the lead screw is not rotating, the sliding block is kept still; the first worm is matched with the worm wheel to adjust the angle of the clamping plate; the worm wheel and the first worm are matched to have self-locking performance, so that the clamping plate is ensured not to rotate any more after the position of the clamping plate is determined; a gap is reserved between the first worm and one clamping plate on the left side, so that the first worm is prevented from being in contact with the clamping plate to generate interference when rotating; the supporting device can support the workpiece which is clamped completely, and the phenomenon that the workpiece drops off from between the two clamping plates and normal processing is influenced when the workpiece receives too large downward force during processing is avoided. The utility model discloses simple structure is reliable, need not to carry out the centre gripping to the work piece many times when adding man-hour, and is little to the damage of work piece surface, and machining efficiency is high, is suitable for the popularization.

Description

Combined machining workbench

Technical Field

The utility model relates to a machining technical field, concretely relates to modular machining workstation.

Background

The mechanical production and processing process refers to the whole process of manufacturing products from raw materials or semi-finished products, for mechanical processing, the contents of the mechanical processing process comprise the transportation and storage of the raw materials, the preparation of production, the manufacturing of blanks, the processing and heat treatment of parts, the assembly and debugging of the products, painting, packaging and the like, the contents of the mechanical processing process are very wide, modern enterprises organize the production and guide the production by using the principle and the method of system engineering, the mechanical production and processing process is regarded as a production system with input and output, a mechanical processing workbench is a key device in the mechanical production and processing process, and the workbench is suitable for various application occasions such as molds, benches, detection, maintenance, assembly and the like.

The workpiece is required to be clamped tightly when being processed, the workpiece is prevented from shaking to influence the processing effect, the current machining table is required to be clamped for multiple times when being used for processing different surfaces of the workpiece, the surface quality of the workpiece can be damaged, and meanwhile, the machining efficiency is influenced due to complex operation.

Disclosure of Invention

The utility model provides an above-mentioned problem, a modular machining workstation is provided, solves present machining platform and can harm workpiece surface quality when pressing from both sides tightly to the work piece many times, influences the machining efficiency problem simultaneously.

The technical scheme of the utility model is that: a combined machining workbench comprises a workbench, fixed blocks, supporting plates, a screw rod, a sliding block, a bracket, a clamping plate and a supporting device;

a fixed block is arranged on one side of the upper end of the workbench, two support plates are symmetrically arranged on the other side of the upper end of the workbench, a lead screw is arranged between the two support plates, the first end of the lead screw is rotatably connected with the first support plate, the second end of the lead screw penetrates through the second support plate, a sliding block is sleeved on the lead screw and is in threaded connection with the lead screw, and the sliding block is in sliding connection with the workbench;

the upper ends of the fixed block and the sliding block are respectively provided with a bracket, the inner sides of the two brackets are respectively and rotatably connected with a clamping plate, a limiting device is arranged between one clamping plate on the left side and the bracket, and the two clamping plates are detachably connected;

the workbench is provided with a supporting device, and the supporting device is arranged between the fixed block and the first supporting plate in a sliding connection mode.

Furthermore, a first handle is arranged outside the second supporting plate, and the second end of the lead screw penetrates through the second supporting plate and is connected with the first handle.

Further, the bracket is of an L-shaped structure.

Further, stop device includes worm wheel, mount and first worm, left one the grip block outside is equipped with the worm wheel, through muffjoint between worm wheel and the grip block, the sleeve both ends respectively with worm wheel and grip block fixed connection, the worm wheel is connected with the rotate bracket connection, left one the support both sides all are equipped with the mount, two be connected with the first worm with worm wheel engaged with between the mount, the first end of first worm rotates with one of them mount to be connected, first worm second end runs through another mount and is connected with the second handle.

Further, a gap is reserved between the first worm and the left clamping plate.

Furthermore, a rubber pad is arranged on the inner side of the clamping plate.

Further, the supporting device comprises a base, a second worm, a connecting rod, teeth and a supporting plate, a sliding groove is transversely formed in the workbench, the base is connected in the sliding groove in a sliding mode, a cavity is formed in the base, a through groove is formed in the side wall of the cavity, the second worm is arranged in the through groove in a rotating mode, the two sides of the second worm protrude out of the through groove, the connecting rod is connected in the cavity in a sliding mode, the teeth matched with the second worm are arranged on one side of the connecting rod, the second worm is connected with the teeth in a meshed mode, the supporting plate is arranged at the upper end of the connecting rod, and the supporting plate is detachably connected with the upper end of the base.

Further, base bottom one side is equipped with the stopper, stopper sliding connection's setting is in the spout, the vertical screw that is equipped with on the stopper, the spiro union has matched with spacing bolt in the screw, spacing bolt front end can dismantle with spout bottom inner wall and be connected.

The utility model has the advantages that:

the utility model has self-locking property by matching the lead screw and the sliding block, when the lead screw is not rotating, the sliding block is kept still; the rubber pad arranged on the inner side of the clamping plate can increase the friction force during clamping, so that the workpiece is prevented from being separated, and the rubber pad can prevent the surface of the workpiece from being scratched by overlarge clamping force in the clamping process; the first worm is matched with the worm wheel to adjust the angle of the clamping plate; the worm wheel and the first worm are matched to have self-locking performance, so that the clamping plate is ensured not to rotate any more after the position of the clamping plate is determined; a gap is reserved between the first worm and one clamping plate on the left side, so that the first worm is prevented from being in contact with the clamping plate to generate interference when rotating; the supporting device can support the clamped workpiece, so that the workpiece is prevented from falling off between the two clamping plates due to overlarge downward force applied to the workpiece during machining, and the normal machining is prevented from being influenced; the second worm and the teeth are matched to realize the up-and-down movement of the supporting and protecting plate, so that the workpiece is supported; the limiting bolt can limit the movement of the base and ensure that the supporting plate keeps still when in work. The utility model discloses simple structure is reliable, need not to carry out the centre gripping to the work piece many times when adding man-hour, and is little to the damage of work piece surface, and machining efficiency is high, is suitable for the popularization.

In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of a first worm installation of the present invention;

fig. 3 is a schematic structural view of the supporting device of the present invention.

Reference numerals:

1 is a workbench, 2 is a fixed block, 3 is a supporting plate, 4 is a screw rod, 5 is a sliding block, 6 is a bracket, 7 is a clamping plate, 8 is a supporting device, 801 is a base, 802 is a second worm, 803 is a connecting rod, 804 is a tooth, 805 is a supporting plate, 806 is a through groove, 807 is a limiting block, 808 is a limiting bolt, 809 is a sliding groove, 9 is a first handle, 10 is a worm wheel, 11 is a fixed frame, 12 is a first worm, 13 is a second handle, 14 is a rubber pad, and 15 is a sleeve.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1 to 3, a combined machining workbench includes a workbench 1, a fixed block 2, a support plate 3, a screw rod 4, a slide block 5, a bracket 6, a clamping plate 7, and a support device 8;

one side of the upper end of a workbench 1 is provided with a fixed block 2, the other side of the upper end of the workbench 1 is symmetrically provided with two support plates 3, a screw rod 4 is arranged between the two support plates 3, the first end of the screw rod 4 is rotationally connected with the first support plate 3, the support plates 3 play a role of supporting the screw rod 4 to ensure that the screw rod 4 can normally rotate, the second end of the screw rod 4 penetrates through the second support plate 3, the screw rod 4 is sleeved with a sliding block 5, the sliding block 5 is in threaded connection with the screw rod 4, the sliding block 5 is in sliding connection with the workbench 1, the workbench 1 limits the rotation of the sliding block 5 to ensure that the sliding block 5 can only move back and forth on the workbench 1 when the screw rod 4 rotates, the screw rod 4 and the sliding block 5 are matched to have self-locking property, when the screw rod 4 is not rotating, the sliding block 5 is kept still, a first handle 9 is arranged outside the second support plate 3, and the second end of the screw rod 4 penetrates through the second support plate 3 to be connected with the first handle 9, the first handle 9 facilitates manual control of the rotation of the lead screw 4;

the upper ends of the fixed block 2 and the sliding block 5 are respectively provided with a support 6, the inner sides of the two supports 6 are respectively and rotatably connected with a clamping plate 7, a limiting device is arranged between one clamping plate 7 on the left side and the support 6 and is used for limiting the rotation of the clamping plate 7, the clamping plates 7 are guaranteed not to rotate when the rotating angle of the clamping plates 7 meets the requirement, the support 6 is of an L-shaped structure, the two clamping plates 7 are detachably connected, the two clamping plates 7 are matched to clamp a workpiece to be processed, a rubber pad 14 is arranged on the inner side of each clamping plate 7, the rubber pad 14 can increase the friction force during clamping and avoid the workpiece from being separated, and meanwhile, the rubber pad 14 can avoid the phenomenon that the surface of the workpiece is scratched due to overlarge clamping force in the clamping process;

the limiting device comprises a worm wheel 10, a fixing frame 11 and a first worm 12, the worm wheel 10 is arranged on the outer side of one clamping plate 7 on the left side, the worm wheel 10 is connected with the clamping plate 7 through a sleeve 15, two ends of the sleeve 15 are respectively fixedly connected with the worm wheel 10 and the clamping plate 7, the sleeve 15 can ensure that the clamping plate 7 can drive the worm wheel 10 to rotate together when rotating, the worm wheel 10 is separated from the clamping plate 7, the worm wheel 10 is rotatably connected with a bracket 6, the fixing frame 11 is arranged on two sides of one bracket 6 on the left side, a first worm 12 meshed with the worm wheel 10 is connected between the two fixing frames 11, the fixing frame 11 is used for installing the first worm 12 to ensure that the first worm 12 can normally rotate, the first worm 12 can drive the worm wheel 10 to rotate when rotating, the first end of the first worm 12 is rotatably connected with one fixing frame 11, the second end of the first worm 12 penetrates through the other fixing frame 11 and is connected with a second handle 13, the second handle 13 is convenient for manually controlling the rotation of the first worm 12, the worm wheel 10 and the first worm 12 are matched to have self-locking performance, the clamping plate 7 is ensured not to rotate any more after the position of the clamping plate is determined, a gap is reserved between the first worm 12 and one clamping plate 7 on the left side, and the first worm 12 is prevented from being in contact with the clamping plate 7 to generate interference when rotating;

the workbench 1 is provided with a supporting device 8, the supporting device 8 is arranged between the fixed block 2 and the first supporting plate 3 in a sliding connection mode, the supporting device 8 is used for supporting a clamped workpiece, the phenomenon that the workpiece falls off between the two clamping plates 7 due to the fact that the workpiece receives overlarge downward force during machining and the normal machining is influenced is avoided, and the supporting device 8 can move back and forth to adjust the supporting position;

the supporting device 8 comprises a base 801, a second worm 802, a connecting rod 803, teeth 804 and a supporting plate 805, a sliding groove 809 is transversely arranged on the workbench 1, the base 801 is connected in the sliding groove 809 in a sliding manner, a cavity is arranged in the base 801, a through groove 806 is arranged on the side wall of the cavity, the second worm 802 is arranged in the through groove 806 in a rotating manner, the two sides of the second worm 802 protrude out of the through groove 806, the part protruding out of the through groove 806 ensures that the rotation of the second worm 802 can be manually controlled, the connecting rod 803 is connected in the sliding manner in the cavity, the teeth 804 matched with the second worm 802 are arranged on one side of the connecting rod 803, the second worm 802 is meshed with the teeth 804, the part protruding out of the through groove 806 ensures that the second worm 802 can be normally meshed with the teeth 804, the combination of the second worm 802 and the teeth 804 is similar to a movable wrench, when the second worm 802 rotates, the second worm 802 is meshed with the teeth 804 to bring the movable teeth 804 to move up and down, the connecting rod 803 is further driven to move up and down in the cavity, a supporting and protecting plate 805 is arranged at the upper end of the connecting rod 803, the supporting and protecting plate 805 is detachably connected with the upper end of the base 801, and the connecting rod 803 drives the supporting and protecting plate 805 to move upwards to be in contact with the lower surface of a workpiece, so that the workpiece can be supported;

base 801 bottom one side is equipped with stopper 807, stopper 807 sliding connection's setting is in the spout, the vertical screw that is equipped with on the stopper 807, threaded connection has matched with stop bolt 808 in the screw, stop bolt 808 front end can be dismantled with spout bottom inner wall and be connected, stop bolt 808 is used for restricting base 801's removal, after the position of supporting plate 805 is confirmed, rotate stop bolt 808, stop bolt 808 moves down to when contacting with spout 809 bottom inner wall, the frictional force between stop bolt 808 and the spout 809 bottom inner wall guarantees that base 801 no longer moves.

The utility model discloses a use method: when mechanical machining is required, a workpiece to be machined is placed between two clamping plates 7, a first handle 9 is rotated, the first handle 9 drives a screw rod 4 to rotate, so that a sliding block 5 is driven to move leftwards, the sliding block 5 drives one clamping plate 7 on the right side to move rightwards to be close to the clamping plates 7, the two clamping plates 7 are matched to clamp the workpiece, then a base 801 is moved, the position of a supporting plate 805 is adjusted, when the supporting plate 805 is just positioned under the workpiece, the base 801 stops moving, then a limit bolt 808 is rotated, the limit bolt 808 moves downwards to be in contact with the inner wall of the bottom of a sliding groove 809, the friction force between the limit bolt 808 and the inner wall of the bottom of the sliding groove 809 ensures that the base 801 does not move any more, then a second worm 802 is rotated, the second worm 802 is meshed with teeth 804 to drive the teeth 804 to move upwards, so that a connecting rod 803 is driven to move upwards in a cavity, the connecting rod 803 drives the supporting plate 805 to move upwards to be in contact with the workpiece, the workpiece is supported, and the workpiece is completely limited and can not move any more at the moment, so that subsequent processing can be carried out;

when different surfaces of a workpiece need to be machined, the second worm 802 is rotated reversely, the second worm 802 drives the teeth 804 to move downwards, the supporting and protecting plate 805 is further driven to move downwards and not to contact with the workpiece any more, then the second handle 13 is rotated, the second handle 13 drives the first worm 12 to rotate, the first worm 12 is meshed with the worm wheel 10 to drive the worm wheel 10 to rotate, the clamping plate 7 is further driven, the clamping plate 7 drives the workpiece to rotate for a certain angle, when the rotation angle of the workpiece meets the machining requirement, the second handle 13 is stopped to rotate, the second worm 802 is rotated, the supporting and protecting plate 805 is controlled to move upwards again and to contact with the workpiece, at the moment, the workpiece is completely limited and not to move any more, and machining work can be conducted again.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A combined machining workbench is characterized by comprising a workbench (1), a fixed block (2), a supporting plate (3), a screw rod (4), a sliding block (5), a bracket (6), a clamping plate (7) and a supporting device (8);

a fixed block (2) is arranged on one side of the upper end of the workbench (1), two supporting plates (3) are symmetrically arranged on the other side of the upper end of the workbench (1), a lead screw (4) is arranged between the two supporting plates (3), the first end of the lead screw (4) is rotatably connected with the first supporting plate (3), the second end of the lead screw (4) penetrates through the second supporting plate (3), a sliding block (5) is sleeved on the lead screw (4), the sliding block (5) is in threaded connection with the lead screw (4), and the sliding block (5) is in sliding connection with the workbench (1);

the upper ends of the fixed block (2) and the sliding block (5) are respectively provided with a bracket (6), the inner sides of the two brackets (6) are respectively rotatably connected with a clamping plate (7), a limiting device is arranged between one clamping plate (7) on the left side and the bracket (6), and the two clamping plates (7) are detachably connected;

the workbench (1) is provided with a supporting device (8), and the supporting device (8) is arranged between the fixing block (2) and the first supporting plate (3) in a sliding connection mode.

2. The modular machining station of claim 1, wherein: a first handle (9) is arranged outside the second supporting plate (3), and the second end of the screw rod (4) penetrates through the second supporting plate (3) to be connected with the first handle (9).

3. The modular machining station of claim 1, wherein: the bracket (6) is of an L-shaped structure.

4. The modular machining station of claim 1, wherein: stop device includes worm wheel (10), mount (11) and first worm (12), left one grip block (7) outside is equipped with worm wheel (10), be connected through sleeve (15) between worm wheel (10) and grip block (7), sleeve (15) both ends respectively with worm wheel (10) and grip block (7) fixed connection, worm wheel (10) rotate with support (6) and are connected, left one support (6) both sides all are equipped with mount (11), two be connected with between mount (11) with worm wheel (10) engaged with first worm (12), first worm (12) first end is rotated with one of them mount (11) and is connected, first worm (12) second end runs through another mount (11) and is connected with second handle (13).

5. The modular machining station of claim 4, wherein: a gap is reserved between the first worm (12) and one clamping plate (7) on the left side.

6. The modular machining station of claim 1, wherein: and a rubber pad (14) is arranged on the inner side of the clamping plate (7).

7. The modular machining station of claim 1, wherein: the supporting device (8) comprises a base (801), a second worm (802), a connecting rod (803), teeth (804) and a supporting plate (805), a sliding chute (809) is transversely arranged on the workbench (1), a base (801) is connected in the sliding chute (809) in a sliding way, a cavity is arranged in the base (801), a through groove (806) is arranged on the side wall of the cavity, a second worm (802) is rotatably connected in the through groove (806), both sides of the second worm (802) protrude out of the through groove (806), a connecting rod (803) is connected in the cavity in a sliding way, one side of the connecting rod (803) is provided with teeth (804) matched with the second worm (802), the second worm (802) is meshed with the teeth (804), a supporting and protecting plate (805) is arranged at the upper end of the connecting rod (803), and the supporting and protecting plate (805) is detachably connected with the upper end of the base (801).

8. The modular machining station of claim 7, wherein: base (801) bottom one side is equipped with stopper (807), stopper (807) sliding connection's setting is in spout (809), stopper (807) are gone up the vertical screw that is equipped with, threaded connection has matched with stop bolt (808) in the screw, stop bolt (808) front end can be dismantled with spout (809) bottom inner wall and be connected.