CN216178716U

CN216178716U - Two-sided milling machine location frock

Info

Publication number: CN216178716U
Application number: CN202122666334.0U
Authority: CN
Inventors: 叶有文
Original assignee: Xiangyang Yuanfa Machinery Manufacturing Co ltd
Current assignee: Xiangyang Yuanfa Machinery Manufacturing Co ltd
Priority date: 2021-11-01
Filing date: 2021-11-01
Publication date: 2022-04-05
Anticipated expiration: 2031-11-01

Abstract

The utility model relates to the technical field of machining equipment, and discloses a positioning tool of a double-sided milling machine, which comprises a base, wherein the base is detachably connected to a workbench through bolts, a workpiece to be machined is placed above the base, supporting columns are arranged on the left side and the right side of the upper surface of the base, supporting plates are arranged at the top ends of the supporting columns, the supporting columns are detachably connected with the supporting plates, an air cylinder is fixed in the middle of the top end of each supporting plate, a pressing rod is vertically arranged below each supporting plate, the top end of each pressing rod is connected with the end of a piston rod of the air cylinder, the bottom end of each pressing rod abuts against the top of the workpiece to be machined, and clamping mechanisms are arranged on the bases on the left side and the right side of the workpiece to be machined. The positioning tool for the double-sided milling machine can firmly fix the workpiece, is stable to install, has high workpiece installation efficiency, is simple to operate, and reduces the labor intensity of workers.

Description

Two-sided milling machine location frock

Technical Field

The utility model relates to the technical field of machining equipment, in particular to a positioning tool of a double-sided milling machine.

Background

The milling machine mainly refers to a machine tool for milling the surface of a workpiece by using a milling cutter. Usually, the milling cutter is moved mainly by a rotational movement, and the movement of the workpiece to be machined and the milling cutter is a feed movement. It can be used for machining plane and groove, and also can be used for machining various curved surfaces and gears. The double-sided milling machine is one of the most widely used milling machines in machine manufacturing and assembly plants, and is different from the conventional milling machine in that the milling of both sides of a workpiece can be performed simultaneously.

When the milling machine is used for processing a workpiece, the workpiece needs to be fixed by using a positioning tool, and the positioning tool plays a vital role in the processing quality if the workpiece is fixed stably. However, the existing positioning tool of the double-sided milling machine generally adopts a bolt fastening structure, so that the labor intensity is high and the working efficiency is low when workers operate.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art, and provides a positioning tool of a double-sided milling machine, which can firmly fix a workpiece, is stable in installation, has high workpiece installation efficiency and simple operation, and reduces the labor intensity of workers.

The technical purpose of the utility model is realized by the following technical scheme: a positioning tool of a double-sided milling machine is arranged on a workbench of the double-sided milling machine, the workbench is used for driving the positioning tool to do linear reciprocating motion on the double-sided milling machine, the positioning tool comprises a base which is detachably connected on the workbench through a bolt, a workpiece to be processed is placed above the base, supporting columns are arranged on the left side and the right side of the upper surface of the base, the top end of the supporting column is provided with a supporting plate, the supporting column is detachably connected with the supporting plate, an air cylinder is fixed in the middle of the top end of the supporting plate, a pressing rod is vertically arranged below the supporting plate, the top end of the pressing rod is connected with the end of a piston rod of the air cylinder, the bottom end of the pressing rod is tightly abutted to the top of the workpiece to be machined, and clamping mechanisms are arranged on the bases on the left side and the right side of the workpiece to be machined.

By adopting the technical scheme, when the double-sided milling machine positioning tool is used, an operator installs the positioning tool on a workbench of a double-sided milling machine, installs a workpiece to be machined on the positioning tool, and drives the positioning tool to linearly reciprocate on the double-sided milling machine through the workbench, so that a cutter machines the workpiece. When the installation is waited to process the work piece, place the work piece on the base, cylinder drive compression bar supports tightly on the work piece top, plays the effect of stable installation to the work piece, presss from both sides tight fixedly to the work piece left and right sides through fixture simultaneously, prevents that the work piece from taking place the skew or rocking milling process in-process, ensures processingquality.

The utility model is further provided with: fixture includes accommodate the lead screw, two between the support column set up flutedly on the base, accommodate the lead screw sets up in the recess, accommodate the lead screw's both ends are run through respectively the left and right sides wall of base and with the base lateral wall rotates to be connected, accommodate the lead screw includes left side section lead screw and right side section lead screw, a left side section lead screw with the thread pitch of right side section lead screw equals and revolves to opposite, be connected with left through the screw nut seat on the left side section lead screw and press from both sides tight piece, be connected with right through the screw nut seat on the right side section lead screw and press from both sides tight piece.

By adopting the technical scheme, after a workpiece to be machined is placed on the base and is pressed tightly through the pressing rod, an operator rotates the adjusting screw rod to drive the left clamping block and the right clamping block to approach each other until the workpiece to be machined is clamped tightly; after the machining is finished, an operator reversely rotates the adjusting screw rod to enable the left clamping block and the right clamping block to be away from each other, clamping of the workpiece is released, the air cylinder drives the pressing rod to ascend, and the workpiece can be taken down. The clamping mechanism is simple in structure and is matched with the pressing rod, so that a stable clamping effect is provided for a workpiece.

The utility model is further provided with: and one end of the adjusting screw rod is provided with a handle.

Through adopting above-mentioned technical scheme, the handle is convenient for operating personnel to grasp and rotate.

The utility model is further provided with: the left clamping block and the right clamping block are arranged in a cambered surface mode, and a rubber pad is arranged on the cambered surface.

Through adopting above-mentioned technical scheme, the cambered surface with treat that the work piece surface phase-match increases the area of contact with the work piece, ensures the clamping force degree, is provided with the rubber pad on the cambered surface, plays certain guard action to the work piece.

The utility model is further provided with: the bottom of the pressing rod is provided with a containing groove, a spring is arranged in the containing groove, the bottom end of the spring is fixedly connected with a propping block, and the propping block is arranged in a spherical shape and is positioned at an opening of the containing groove.

Through adopting above-mentioned technical scheme, when the work piece was placed on the workstation, support tight piece and support tightly on the work piece top, support the frictional force when tight piece can reduce the work piece installation, make things convenient for the work piece to install on the workstation, the spring can play certain cushioning effect, avoids compressing tightly the pole and acts on the too big in the twinkling of an eye pressure on work piece top, causes the damage to the work piece.

The utility model is further provided with: the bottom end of the pressing rod is provided with an annular rubber pad.

Through adopting above-mentioned technical scheme, the rubber pad can prevent to produce the slip between with the work piece, increases the frictional force between with the work piece, makes the fixed effect of pressure bar to the work piece better.

The utility model is further provided with: the support column is characterized in that threads are arranged on the outer wall of the upper portion of the support column, through holes are formed in the two ends of the support plate, the support column penetrates through the through holes, and gaskets and nuts are arranged on the support column at the upper end and the lower end of the support plate.

Through adopting above-mentioned technical scheme, support column and backup pad pass through the nut and realize dismantling the connection, and the installation of the location frock of being convenient for is dismantled.

The utility model has the beneficial effects that: according to the positioning tool for the double-sided milling machine, the air cylinder drives the compression rod to abut against the top end of the workpiece, so that the workpiece is stably installed, and meanwhile, the left side and the right side of the workpiece are clamped and fixed through the clamping mechanism, so that the workpiece is prevented from shifting or shaking in the milling process, and the processing quality is ensured.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of a double-sided milling machine and a positioning tool of the present invention;

FIG. 2 is a schematic structural view of a double-sided milling machine positioning tool of the present invention;

fig. 3 is a schematic sectional view of a pressing rod of the double-sided milling machine positioning tool.

In the figure, 1, positioning a tool; 2. a double-sided milling machine 21, a workbench; 3. a base 31, a bolt 32 and a groove; 4. support column, 41, spacer, 42, nut; 5. a support plate; 6. a cylinder; 7. the pressing rod 71, the accommodating groove 72, the spring 73 and the abutting block; 8. the clamping mechanism 81, the adjusting screw rod 82, the left clamping block 83, the right clamping block 84 and the handle; 9. and (5) processing the workpiece.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to specific embodiments. It is to be understood that the described embodiments are merely a few embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.

Referring to fig. 1, a two-sided milling machine location frock, location frock 1 sets up on the workstation 21 of two-sided milling machine 2, workstation 21 is used for driving location frock 1 and makes sharp reciprocating motion on two-sided milling machine 2, location frock 1 includes base 3, base 3 can dismantle through bolt 31 and connect on workstation 21, base 3 top is used for placing and treats processing work piece 9, the left and right sides of base 3 upper surface all is provided with support column 4, support column 4 top is provided with backup pad 5, support column 4 can dismantle with backup pad 5 and be connected, the middle part on backup pad 5 top is fixed with cylinder 6, the vertical compressing tightly pole 7 that is provided with in below of backup pad 5, compressing tightly the pole 7 top is connected with the tailpiece of the piston rod of cylinder 6, compressing tightly pole 7 bottom is at treating processing work piece 9 top, be provided with fixture 8 on the base 3 of treating processing work piece 9 left and right sides. When the double-sided milling machine positioning tool is used, an operator installs the positioning tool 1 on the workbench 21 of the double-sided milling machine 2, installs the workpiece 9 to be processed on the positioning tool 1, and drives the positioning tool 1 to linearly reciprocate on the double-sided milling machine 2 through the workbench 21 so that a cutter processes the workpiece. When processing work piece 9 is treated in the installation, place the work piece on base 3, cylinder 6 drive compressing tightly pole 7 supports tightly on the work piece top, plays the effect of stable installation to the work piece, presss from both sides tightly fixedly to the work piece left and right sides through fixture 8 simultaneously, prevents that the work piece from taking place the skew or rocking at milling process, ensures processingquality.

Referring to fig. 2, the clamping mechanism 8 includes an adjusting screw 81, a groove 32 is provided on the base 3 between the two support columns 4, the adjusting screw 81 is disposed in the groove 32, both ends of the adjusting screw 81 respectively run through the left and right side walls of the base 3 and are rotatably connected with the side walls of the base 3, the adjusting screw 81 includes a left section screw and a right section screw, the thread pitches of the left section screw and the right section screw are equal and opposite in rotation direction, a left clamping block 82 is connected to the left section screw through a screw nut 42 seat, and a right clamping block 83 is connected to the right section screw through a screw nut 42 seat. After a workpiece 9 to be machined is placed on the base 3 and is pressed through the pressing rod 7, an operator rotates the adjusting screw rod 81 to drive the left clamping block 82 and the right clamping block 83 to approach each other until the workpiece 9 to be machined is clamped; after the machining is finished, an operator rotates the adjusting screw rod 81 in the reverse direction, so that the left clamping block 82 and the right clamping block 83 are away from each other, clamping of the workpiece is released, the air cylinder 6 drives the pressing rod 7 to ascend, and the workpiece can be taken down. The clamping mechanism 8 is simple in structure and is matched with the pressing rod 7, so that a stable clamping effect is provided for a workpiece. A handle 84 is arranged at one end of the adjusting screw rod 81, so that an operator can grasp and rotate the adjusting screw rod conveniently; the opposite surfaces of the left clamping block 82 and the right clamping block 83 are arranged as cambered surfaces and are matched with the outer surface of a workpiece 9 to be processed, the contact area of the cambered surfaces with the workpiece is increased, the clamping force is ensured, and the cambered surfaces are provided with rubber pads which play a certain role in protecting the workpiece.

Referring to fig. 3, a containing groove 71 is formed in the bottom of the pressing rod 7, a spring 72 is arranged in the containing groove 71, a supporting block 73 is fixedly connected to the bottom end of the spring 72, the supporting block 73 is arranged in a spherical shape and is located at an opening of the containing groove 71, when a workpiece is placed on the workbench 21, the supporting block 73 is tightly supported on the top end of the workpiece, the friction force generated during workpiece installation can be reduced by the supporting block 73, the workpiece can be conveniently installed on the workbench 21, the spring 72 can play a certain buffering role, and the phenomenon that the workpiece is damaged due to the fact that the pressing rod 7 is applied to overlarge instantaneous pressure on the top end of the workpiece is avoided. The bottom end of the pressing rod 7 is provided with an annular rubber pad, the air cylinder 6 pushes the pressing rod 7 until the annular rubber pad below the pressing rod 7 abuts against the top end of the workpiece, the workpiece is fixed and limited, the rubber pad can be prevented from sliding with the workpiece, friction between the rubber pad and the workpiece is increased, and the fixing effect of the pressing rod 7 on the workpiece is better.

Specifically, be provided with the screw thread on the outer wall of 4 upper portions of support column, the through-hole has all been seted up at the both ends of backup pad 5, and support column 4 passes the through-hole, all is provided with gasket 41 and nut 42 on the support column 4 at both ends about backup pad 5, and support column 4 and backup pad 5 pass through nut 42 and realize dismantling the connection, and the installation of the location frock of being convenient for 1 is dismantled.

Claims

1. The utility model provides a two-sided milling machine location frock, location frock (1) sets up on workstation (21) of two-sided milling machine (2), workstation (21) are used for driving location frock (1) is in make sharp reciprocating motion on two-sided milling machine (2), its characterized in that: the positioning tool (1) comprises a base (3), the base (3) is detachably connected to the workbench (21) through a bolt (31), a workpiece (9) to be processed is placed above the base (3), the left side and the right side of the upper surface of the base (3) are provided with supporting columns (4), a supporting plate (5) is arranged at the top end of the supporting column (4), the supporting column (4) is detachably connected with the supporting plate (5), a cylinder (6) is fixed in the middle of the top end of the supporting plate (5), a pressing rod (7) is vertically arranged below the supporting plate (5), the top end of the pressing rod (7) is connected with the piston rod end of the cylinder (6), the bottom end of the pressing rod (7) is tightly propped against the top of the workpiece (9) to be processed, clamping mechanisms (8) are arranged on the bases (3) on the left side and the right side of the workpiece (9) to be machined.

2. The double-sided milling machine positioning tool according to claim 1, characterized in that: fixture (8) are including accommodate the lead screw (81), two between support column (4) set up fluted (32) on base (3), accommodate the lead screw (81) set up in recess (32), the both ends of accommodate the lead screw (81) are run through respectively the left and right sides wall of base (3) and with base (3) lateral wall rotates to be connected, accommodate the lead screw (81) are including left section lead screw and right section lead screw, left side section lead screw with the screw thread pitch of right section lead screw equals and revolves to opposite, it presss from both sides tight piece (82) to be connected with a left side through lead screw nut seat on the left side section lead screw, it presss from both sides tight piece (83) to be connected with the right side through lead screw nut seat on the right side section lead screw.

3. The double-sided milling machine positioning tool according to claim 2, characterized in that: and one end of the adjusting screw rod (81) is provided with a handle (84).

4. The double-sided milling machine positioning tool according to claim 2, characterized in that: the opposite surface of the left clamping block (82) and the right clamping block (83) is an arc surface, and a rubber pad is arranged on the arc surface.

5. The double-sided milling machine positioning tool according to claim 1, characterized in that: the bottom of the pressing rod (7) is provided with a containing groove (71), a spring (72) is arranged in the containing groove (71), the bottom end of the spring (72) is fixedly connected with a supporting block (73), and the supporting block (73) is arranged in a spherical shape and is located at an opening of the containing groove (71).

6. The double-sided milling machine positioning tool according to claim 5, characterized in that: the bottom end of the pressing rod (7) is provided with an annular rubber pad.

7. The double-sided milling machine positioning tool according to any one of claims 1 to 6, characterized in that: be provided with the screw thread on support column (4) upper portion outer wall, the through-hole has all been seted up at the both ends of backup pad (5), support column (4) pass the through-hole, both ends about backup pad (5) all are provided with gasket (41) and nut (42) on support column (4).