CN216178472U

CN216178472U - Bar-shaped workpiece clamping device for machining

Info

Publication number: CN216178472U
Application number: CN202122963144.5U
Authority: CN
Inventors: 陈磊
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-04-05
Anticipated expiration: 2031-11-29

Abstract

The utility model discloses a rod-shaped workpiece clamping device for machining, which comprises a shell, wherein the inner wall of one side of the shell is connected with a fixed disc through a bolt, the center of the fixed disc is provided with a stepping hole, the outer wall of one side of the fixed disc is provided with sliding grooves which are centrosymmetrically distributed, the inner parts of the sliding grooves are connected with an extrusion plate in a sliding manner, the outer wall of one side of the extrusion plate is welded with a connecting rod, one side of the fixed disc is provided with a toothed ring, the inner parts of the toothed ring are welded with a connecting ring, the outer wall of one side of the connecting ring is provided with adjusting grooves which are centrosymmetrically distributed, the connecting ring is connected with the connecting rod in a sliding manner through the adjusting grooves, and the outer wall of one side of the shell is connected with a rotating shaft through a bearing. According to the utility model, through the connecting ring, the fixed disk and the extrusion plates, the driving gear is used for driving the gear ring to rotate, so that the gear ring drives the extrusion plates in the fixed disk to synchronously move through the rotation of the connecting ring, and further the extrusion plates synchronously clamp the rod-shaped workpiece, thereby realizing the effect of convenient workpiece clamping.

Description

Bar-shaped workpiece clamping device for machining

Technical Field

The utility model relates to the technical field of machining equipment, in particular to a rod-shaped workpiece clamping device for machining.

Background

The clamping device is a device for fixing a processing object to occupy a correct position for receiving construction or detection in a mechanical manufacturing process, and is also called a clamp. In a broad sense, any device for quickly, conveniently and safely mounting a workpiece at any step in a process may be referred to as a jig, and the shape of the clamped workpiece may be distinguished from a square-shaped bar-shaped one.

When a rod-shaped workpiece in the prior art is processed, the rod-shaped workpiece is clamped and fixed through a bench vice, the workpiece is inconvenient to fix due to the fact that the rod-shaped workpiece is smooth relatively, and the workpiece can vibrate in the processing process, so that the workpiece can be loosened in the processing process. Therefore, it is desirable to design a rod-shaped workpiece clamping device for machining to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects of inconvenient and unstable fixation in the prior art, and provides a rod-shaped workpiece clamping device for machining.

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

the utility model provides a bar-shaped workpiece clamping device for machining, includes the casing, there is the fixed disk one side inner wall of casing through bolted connection, the center department of fixed disk opens there is the hole of stepping down, open one side outer wall of fixed disk has the spout that is central symmetric distribution, the inside sliding connection of spout has the stripper plate, one side outer wall welding of stripper plate has the connecting rod, one side of fixed disk is provided with the ring gear, the inside welding of ring gear has the go-between, open one side outer wall of go-between has the adjustment tank that is central symmetric distribution, the go-between passes through adjustment tank and connecting rod sliding connection, one side outer wall of casing is connected with the pivot through the bearing, the one end of pivot extends to the casing inside and is connected with the driving gear through the parallel key, driving gear and ring meshing.

Furthermore, the outer wall of one side of the toothed ring is provided with a matching groove, and the fixed disc is located inside the matching groove.

Furthermore, the outer wall of one side of the shell is connected with an end cover through a bolt, and the outer wall of one side of the end cover is welded with a feeding hole.

Furthermore, a positioning sleeve is welded on the outer wall of one side of the shell and is sleeved outside the rotating shaft.

Furthermore, a nut is welded on the outer wall of the top of the positioning sleeve, and a fastening bolt is connected inside the nut through threads.

Furthermore, a force applying rod is inserted into one end of the rotating shaft, and stop blocks are welded at two ends of the force applying rod.

Furthermore, the outer wall of the bottom of the shell is welded with a base, and the outer wall of the top of the base is provided with a fixing hole.

The utility model has the beneficial effects that:

1. through the go-between, fixed disk and the stripper plate that set up, utilize the driving gear to drive the ring gear and rotate for the ring gear drives a plurality of stripper plates of fixed disk inside through the rotation of go-between and carries out synchronous motion, and then makes the stripper plate carry out synchronous centre gripping to bar-shaped work piece, has consequently realized the convenient effect of work piece centre gripping.

2. Through the arranged force applying rod and the rotating shaft, the rotating shaft is driven to rotate by the force applying rod in a labor-saving mode, so that the rotating shaft drives the driving gear to rotate, the workpiece is fixed, and the effect of fixing the workpiece in a labor-saving mode is achieved.

3. Through the nut and the fastening bolt that set up, utilize fastening bolt and nut to carry out threaded connection for fastening bolt can conflict fixedly to the countershaft, prevents that bar-shaped work piece from being added to hold the back and lead to the work piece not hard up because of vibrations, has consequently realized the stable effect of work piece centre gripping.

4. Through the cooperation groove that sets up, utilize the inside cooperation groove of ring gear to cup joint with the fixed disk for the ring gear can carry out stable pivot in the outside of fixed disk, and then makes the positioning accuracy of work piece higher.

Drawings

FIG. 1 is a schematic view of the overall structure of a bar-shaped workpiece clamping device for machining according to the present invention;

FIG. 2 is a schematic structural view of a fixing plate of the rod-shaped workpiece clamping device for machining according to the present invention;

FIG. 3 is a schematic cross-sectional view of a bar-shaped workpiece holder for machining according to the present invention;

fig. 4 is a schematic structural view of an extrusion plate of the clamping device for the rod-shaped workpiece for machining according to the present invention.

In the figure: the device comprises a shell 1, end covers 2, a feed inlet 3, a base 4, a fixing hole 5, a rotating shaft 6, a force applying rod 7, a stop block 8, a fixing disc 9, a sliding groove 10, an extrusion plate 11, a toothed ring 12, a connecting ring 13, an adjusting groove 14, a driving gear 15, a yielding hole 16, a matching groove 17, a positioning sleeve 18, a nut 19, a fastening bolt 20 and a connecting rod 21.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-4, a bar-shaped workpiece clamping device for machining, including a housing 1, a fixed disk 9 connected to an inner wall of one side of the housing 1 through a bolt, a relief hole 16 opened at a center of the fixed disk 9, a sliding slot 10 formed in a central symmetrical distribution formed on an outer wall of one side of the fixed disk 9, a pressing plate 11 slidably connected to an inside of the sliding slot 10, the workpiece being fixed by sliding the pressing plate 11 in the sliding slot 10, a connecting rod 21 welded to an outer wall of one side of the pressing plate 11, a toothed ring 12 disposed on one side of the fixed disk 9, a connecting ring 13 welded to an inside of the toothed ring 12, an adjusting slot 14 formed in a central symmetrical distribution formed on an outer wall of one side of the connecting ring 13, the adjusting slot 14 being in a circular track shape, the connecting ring 13 being slidably connected to the connecting rod 21 through the adjusting slot 14, such that when the toothed ring 12 rotates, the toothed ring 12 drives the connecting ring 13 to move, go-between 13 makes connecting rod 21 drive stripper plate 11 to remove through adjustment tank 14, a plurality of stripper plates 11 carry out synchronous mutual approaching in the spout 10 inside of fixed disk 9 and slide, make the effect of the common grip that plays bar-shaped work piece of one end of stripper plate 11, one side outer wall of casing 1 is connected with pivot 6 through the bearing, the one end of pivot 6 extends to casing 1 inside and is connected with driving gear 15 through the parallel key, driving gear 15 and ring gear 12 mesh, make pivot 6 drive driving gear 15 rotate when rotating, driving gear 15's rotation drives ring gear 12 and rotates.

Furthermore, a matching groove 17 is formed in the outer wall of one side of the toothed ring 12, the fixed disk 9 is located inside the matching groove 17, the toothed ring 12 can rotate outside the fixed disk 9, and the fixed disk 9 plays a role in positioning the toothed ring 12 during rotation.

Furthermore, an end cover 2 is connected to the outer wall of one side of the shell 1 through a bolt, a feeding hole 3 is welded to the outer wall of one side of the end cover 2, and a clamped workpiece is inserted into the shell 1 from the feeding hole 3.

Furthermore, the outer wall of one side of the shell 1 is welded with a positioning sleeve 18, the positioning sleeve 18 is sleeved outside the rotating shaft 6, and the rotating shaft 6 can rotate inside the positioning sleeve 18, so that the rotating shaft 6 rotates more stably.

Furthermore, the outer wall of the top of the positioning sleeve 18 is welded with a nut 19, the inside of the nut 19 is connected with a fastening bolt 20 through threads, the fastening bolt 20 is an inner hexagonal hole bolt, and the fastening bolt 20 can be used for abutting and fixing the rotating shaft 6.

Further, the one end of pivot 6 is inside to be pegged graft and is had stress application pole 7, makes pivot 6's rotation more laborsaving through stress application pole 7, and the both ends welding of stress application pole 7 has dog 8, and dog 8 prevents stress application pole 7 and pivot 6 and breaks away from.

Further, the bottom outer wall welding of casing 1 has base 4, and the top outer wall of base 4 is opened has fixed orifices 5, conveniently fixes casing 1 through fixed orifices 5.

The working principle is as follows: during the use, when needs are fixed to bar-shaped work piece, the work piece passes through feed inlet 3 and injects inside casing 1, rotate countershaft 6 through stress application pole 7, the rotation of pivot 6 drives driving gear 15 and rotates, driving gear 15's rotation drives ring gear 12 and rotates, make ring gear 12 drive go-between 13 and move, go-between 13 makes connecting rod 21 drive stripper plate 11 remove through adjustment tank 14, a plurality of stripper plates 11 are synchronous to be close to each other and are slided inside spout 10 of fixed disk 9, make the one end of stripper plate 11 play the effect of centre gripping to bar-shaped work piece jointly, when needs make the work piece keep fixed, rotate fastening bolt 20 through six arris spanner, make fastening bolt 20's bottom and pivot 6 conflict, can make pivot 6 fix, thereby make the work piece by firm centre gripping.

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 rod-shaped workpiece clamping device for machining comprises a shell (1) and is characterized in that a fixed disc (9) is connected to the inner wall of one side of the shell (1) through a bolt, a yielding hole (16) is formed in the center of the fixed disc (9), sliding grooves (10) which are distributed in a central symmetry mode are formed in the outer wall of one side of the fixed disc (9), an extrusion plate (11) is connected to the inside of each sliding groove (10) in a sliding mode, a connecting rod (21) is welded to the outer wall of one side of the extrusion plate (11), a toothed ring (12) is arranged on one side of the fixed disc (9), a connecting ring (13) is welded inside the toothed ring (12), adjusting grooves (14) which are distributed in a central symmetry mode are formed in the outer wall of one side of the connecting ring (13), the connecting ring (13) is connected with the connecting rod (21) in a sliding mode through the adjusting grooves (14), and a rotating shaft (6) is connected to the outer wall of one side of the shell (1) through a bearing, one end of the rotating shaft (6) extends to the inside of the shell (1) and is connected with a driving gear (15) through a flat key, and the driving gear (15) is meshed with the gear ring (12).

2. A clamping device for a rod-shaped workpiece for machining according to claim 1, characterized in that the outer wall of one side of the toothed ring (12) is provided with a fitting groove (17), and the fixed disk (9) is located inside the fitting groove (17).

3. The rod-shaped workpiece clamping device for machining according to claim 1, characterized in that an end cover (2) is connected to one side of the outer wall of the shell (1) through bolts, and the feeding hole (3) is welded to one side of the outer wall of the end cover (2).

4. The rod-shaped workpiece clamping device for machining according to claim 1, characterized in that a positioning sleeve (18) is welded on the outer wall of one side of the shell (1), and the positioning sleeve (18) is sleeved outside the rotating shaft (6).

5. A clamping device for a rod-shaped workpiece for machining according to claim 4, characterized in that a nut (19) is welded to the outer wall of the top of the positioning sleeve (18), and a fastening bolt (20) is screwed into the nut (19).

6. The rod-shaped workpiece clamping device for machining according to claim 1, wherein a stress application rod (7) is inserted into one end of the rotating shaft (6), and stoppers (8) are welded to two ends of the stress application rod (7).

7. A clamping device for a rod-shaped workpiece for machining according to claim 1, characterized in that a base (4) is welded to the outer wall of the bottom of the housing (1), and a fixing hole (5) is formed in the outer wall of the top of the base (4).