CN215699877U

CN215699877U - Clamping device for machining

Info

Publication number: CN215699877U
Application number: CN202121827992.7U
Authority: CN
Inventors: 陈龙
Original assignee: Yancheng Hengyou Precision Machinery Co ltd
Current assignee: Yancheng Hengyou Precision Machinery Co ltd
Priority date: 2021-08-06
Filing date: 2021-08-06
Publication date: 2022-02-01
Anticipated expiration: 2031-08-06

Abstract

The utility model discloses a clamping device for machining, which comprises a bottom plate, wherein a top plate is fixed at the top of the bottom plate through a supporting plate, a rotating table mechanism is installed at the top of the bottom plate, a transverse pressing mechanism is installed on the inner side of the supporting plate, a vertical pressing mechanism is installed at the bottom of the top plate, the vertical pressing mechanism comprises a third motor, a second screw rod, a second sliding block, a second roller, a retainer ring, a sleeve, a limiting plate, a second pressing plate, a guide rod, a fixing plate and a spring, a second sliding groove is formed in the bottom of the top plate, the third motor is installed at the bottom of the top plate, and an output shaft of the third motor is connected with the second screw rod. The utility model has convenient and flexible processing and improves the assembly and disassembly efficiency.

Description

Clamping device for machining

Technical Field

The utility model relates to the technical field of machining, in particular to a clamping device for machining.

Background

The machining process flow is a step of manufacturing and machining a workpiece or a part, and the process of directly changing the shape, the size, the surface quality and the like of a blank into the part by adopting a machining method is called as the machining process flow. The workpiece needs to be fixed in the machining process, a common fixing mode is that a clamp is manually operated to fix, meanwhile, the position of the workpiece is inconvenient to adjust, the workpiece needs to be repeatedly assembled and disassembled, and the clamping device for machining is very troublesome.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a clamping device for machining.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a clamping device for machining comprises a bottom plate, wherein a top plate is fixed at the top of the bottom plate through a supporting plate, a rotating table mechanism is installed at the top of the bottom plate, a transverse pressing mechanism is installed on the inner side of the supporting plate, a vertical pressing mechanism is installed at the bottom of the top plate, the vertical pressing mechanism comprises a third motor, a second lead screw, a second slider, a second roller, a check ring, a sleeve, a limiting plate, a second pressing plate, a guide rod, a fixed plate and a spring, a second sliding groove is formed in the bottom of the top plate, the third motor is installed at the bottom of the top plate, an output shaft of the third motor is connected with the second lead screw, the second slider of two right-angle ladder structures is sleeved on the second lead screw through threads with opposite rotating directions, the second slider is slidably installed in the second sliding groove, the fixed plate is fixed between the two supporting plates, and the guide rod penetrates through the fixed plate in a sliding manner, the second gyro wheel is installed on the top of guide bar, the fixed retaining ring that has cup jointed on the guide bar, the spring has been cup jointed on the guide bar, the sleeve has been cup jointed through the screw thread on the guide bar, telescopic bottom mounting has the second clamp plate.

Preferably, revolving stage mechanism includes first motor, gear, ring gear, places platform, first gyro wheel, install the gear on the output shaft of first motor, annular rolling groove has been seted up at the top of bottom plate, the bottom of placing the platform is installed and is the first gyro wheel that the circumference array was arranged, first gyro wheel roll mounting is in rolling the inslot, the fixed ring that has connect in outside of placing the platform has the ring gear, ring gear and gear engagement transmission.

Preferably, the transverse pressing mechanism comprises a second motor, a hydraulic cylinder, a first pressing plate, a first sliding block and a first screw rod, a first strip-shaped sliding groove is formed in the inner wall of the supporting plate, an output shaft of the second motor is connected with the first screw rod, the first sliding block is sleeved on the first screw rod through threads, the first sliding block is slidably mounted in the first sliding groove, the hydraulic cylinder is mounted on the side edge of the first sliding block, and a piston rod of the hydraulic cylinder is fixed with the first pressing plate.

Preferably, the retainer ring is positioned above the spring, the spring is positioned above the fixing plate, and the bottom end of the guide rod is fixedly provided with the limiting plate.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the third motor drives the second screw rod to rotate, the second screw rod drives the two second sliding blocks to move in a face-to-face or back-to-back mode through the threads, and the second sliding blocks are of a right-angle ladder structure, so that the second roller can be pushed to move through the second sliding blocks, the second pressing plate can be driven to move downwards to press a workpiece from the upper side, the second pressing plate can be driven to move upwards under the restoring force of the spring, the pressure on the workpiece is removed, and the position of the second pressing plate can be adjusted through the thread transmission between the guide rod and the sleeve, so that the workpiece with irregular height can be pressed, the use is flexible and convenient, and the application occasion is wider.

2. According to the utility model, a workpiece can be placed on the placing table, the first motor can drive the gear to rotate, the placing table can be driven to rotate through the meshing of the gear and the gear ring, and the first roller rolls in the rolling groove in the top of the bottom plate, so that the position of the workpiece can be conveniently adjusted, and the workpiece can be better clamped and machined.

3. According to the utility model, the second motor drives the first screw rod to rotate, the first screw rod drives the first slide block to move through the threads, and the first slide block drives the hydraulic cylinders to move, so that the height positions of the hydraulic cylinders are adjusted, and the lateral directions of the workpieces are extruded and fixed through the first pressing plates on the piston rods of the two hydraulic cylinders, so that the workpiece pressing device is very convenient.

Drawings

Fig. 1 is a schematic structural diagram of a clamping device for machining according to the present invention;

fig. 2 is a schematic structural diagram of a vertical pressing mechanism of a clamping device for machining according to the present invention;

FIG. 3 is a schematic structural diagram of a turntable mechanism of a clamping device for machining according to the present invention;

fig. 4 is a schematic structural diagram of a transverse pressing mechanism of a clamping device for machining according to the present invention.

In the figure: 1, a bottom plate, 2 support plates, 3 top plates, 4 rotating table mechanisms, 401 first motors, 402 gears, 403 gear rings, 404 placing tables, 405 first rollers, 5 transverse pressing mechanisms, 501 second motors, 502 hydraulic cylinders, 503 first pressing plates, 504 first sliding blocks, 505 first screw rods, 6 vertical pressing mechanisms, 601 third motors, 602 second screw rods, 603 second sliding blocks, 604 second rollers, 605 retaining rings, 606 sleeves, 607 limiting plates, 608 second pressing plates, 609 guide rods, 610 fixing plates and 611 springs.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example 1:

referring to fig. 1-2, a clamping device for machining comprises a bottom plate 1, a top plate 3 is fixed on the top of the bottom plate 1 through a support plate 2, a rotating table mechanism 4 is installed on the top of the bottom plate 1, a transverse pressing mechanism 5 is installed on the inner side of the support plate 2, a vertical pressing mechanism 6 is installed on the bottom of the top plate 3, the vertical pressing mechanism 6 comprises a third motor 601, a second screw 602, a second slider 603, a second roller 604, a retainer ring 605, a sleeve 606, a limit plate 607, a second press plate 608, a guide rod 609, a fixing plate 610 and a spring 611, a second chute is formed in the bottom of the top plate 3, the third motor 601 is installed on the bottom of the top plate 3, an output shaft of the third motor 601 is connected with the second screw 602, the second slider 603 of two right-angle ladder structures is sleeved on the second screw 602 through threads with opposite screwing directions, the second slider 603 is slidably installed in the second chute, the fixing plate 610 is fixed between the two support plates 2, a guide rod 609 penetrates through the fixing plate 610 in a sliding mode, a second roller 604 is installed at the top end of the guide rod 609, a retainer ring 605 is fixedly sleeved on the guide rod 609, a spring 611 is sleeved on the guide rod 609, a sleeve 606 is sleeved on the guide rod 609 through threads, a second pressing plate 608 is fixed at the bottom end of the sleeve 606, the retainer ring 605 is located above the spring 611, the spring 611 is located above the fixing plate 610, and a limiting plate 607 is fixed at the bottom end of the guide rod 609.

In this embodiment, the third motor 601 drives the second lead screw 602 to rotate, the second lead screw 602 drives the two second sliding blocks 603 to move in opposite directions or in opposite directions through the threads, because the second sliding block 603 is a right-angled ladder structure, therefore, the second roller 604 can be pushed to move through the second sliding block 603, the second pressing plate 608 can be driven to move down to compress the workpiece from above, the second pressing plate 608 can be driven to move up under the restoring force of the spring 611, thereby removing the pressure on the workpiece, through the thread transmission between the guide rod 609 and the sleeve 606, the position of the second pressing plate 608 can be adjusted, thus, the workpiece with irregular height can be compressed, the use is flexible and convenient, and the application occasion is wider.

Example 2:

referring to fig. 3, the rotating table mechanism 4 includes a first motor 401, a gear 402, a gear ring 403, a placing table 404, and first rollers 405, the gear 402 is mounted on an output shaft of the first motor 401, an annular rolling groove is formed in the top of the bottom plate 1, the first rollers 405 arranged in a circumferential array are mounted at the bottom of the placing table 404, the first rollers 405 are roll-mounted in the rolling groove, the gear ring 403 is fixedly sleeved outside the placing table 404, and the gear ring 403 is in meshing transmission with the gear 402.

In this embodiment, a workpiece can be placed on the placing table 4, the first motor 401 can drive the gear 402 to rotate, the placing table 404 can be driven to rotate through the meshing of the gear 402 and the gear ring 403, and the first roller 405 rolls in the rolling groove at the top of the bottom plate 1, so that the position of the workpiece can be conveniently adjusted, and the workpiece can be better clamped and machined.

Example 3:

referring to fig. 4, the transverse pressing mechanism 5 includes a second motor 501, a hydraulic cylinder 502, a first pressing plate 503, a first slider 504 and a first lead screw 505, a first strip-shaped chute is formed in the inner wall of the supporting plate 2, an output shaft of the second motor 501 is connected with the first lead screw 505, the first slider 504 is sleeved on the first lead screw 505 through a thread, the first slider 504 is slidably mounted in the first chute, the hydraulic cylinder 502 is mounted on the side edge of the first slider 504, and a piston rod of the hydraulic cylinder 502 is fixed with the first pressing plate 503.

In this embodiment, the second motor 501 drives the first lead screw 505 to rotate, the first lead screw 505 drives the first slider 504 to move through the thread, and the first slider 504 drives the hydraulic cylinder 502 to move, so as to adjust the height position of the hydraulic cylinder 502, and thus the lateral direction of the workpiece is extruded and fixed through the first pressing plates 503 on the piston rods of the two hydraulic cylinders 502, which is very convenient.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The clamping device for machining comprises a bottom plate (1) and is characterized in that a top plate (3) is fixed at the top of the bottom plate (1) through a support plate (2), a rotating table mechanism (4) is installed at the top of the bottom plate (1), a transverse pressing mechanism (5) is installed on the inner side of the support plate (2), a vertical pressing mechanism (6) is installed at the bottom of the top plate (3), the vertical pressing mechanism (6) comprises a third motor (601), a second screw rod (602), a second sliding block (603), a second roller (604), a retainer ring (605), a sleeve (606), a limiting plate (607), a second pressing plate (608), a guide rod (609), a fixing plate (610) and a spring (611), a second sliding groove is formed in the bottom of the top plate (3), the third motor (601) is installed at the bottom of the top plate (3), and an output shaft of the third motor (601) is connected with the second screw rod (602), second slider (603) of two right angle ladder structures have been cup jointed through the opposite screw of spiral direction on second lead screw (602), second slider (603) slidable mounting is in the second spout, fixed plate (610) are fixed between two backup pads (2), it has guide bar (609) to slide to run through on fixed plate (610), second gyro wheel (604) are installed to the top of guide bar (609), fixed cover has been connect retaining ring (605) on guide bar (609), spring (611) have been cup jointed on guide bar (609), sleeve (606) have been cup jointed through the screw on guide bar (609), the bottom mounting of sleeve (606) has second clamp plate (608).

2. The clamping device for machining according to claim 1, wherein the rotating table mechanism (4) comprises a first motor (401), a gear (402), a gear ring (403), a placing table (404) and a first roller (405), the gear (402) is mounted on an output shaft of the first motor (401), an annular rolling groove is formed in the top of the base plate (1), the first rollers (405) arranged in a circumferential array are mounted at the bottom of the placing table (404), the first rollers (405) are installed in the rolling groove in a rolling manner, the gear ring (403) is fixedly sleeved on the outer portion of the placing table (404), and the gear ring (403) is in meshing transmission with the gear (402).

3. The clamping device for machining according to claim 1, wherein the transverse pressing mechanism (5) comprises a second motor (501), a hydraulic cylinder (502), a first pressing plate (503), a first sliding block (504) and a first screw rod (505), a first strip-shaped sliding groove is formed in the inner wall of the supporting plate (2), an output shaft of the second motor (501) is connected with the first screw rod (505), the first sliding block (504) is sleeved on the first screw rod (505) through threads, the first sliding block (504) is slidably mounted in the first sliding groove, the hydraulic cylinder (502) is mounted on the side edge of the first sliding block (504), and the first pressing plate (503) is fixed to a piston rod of the hydraulic cylinder (502).

4. A clamping device for machining according to claim 1, characterized in that the retainer ring (605) is located above a spring (611), the spring (611) is located above a fixed plate (610), and a retainer plate (607) is fixed to the bottom end of the guide rod (609).