CN212761347U

CN212761347U - Arc milling equipment for lower fork of frame

Info

Publication number: CN212761347U
Application number: CN202021503601.1U
Authority: CN
Inventors: 何泽水
Original assignee: Geant China Co ltd
Current assignee: Geant China Co ltd; Giant China Co Ltd
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2021-03-23
Anticipated expiration: 2030-07-27

Abstract

The utility model discloses a frame lower fork arc milling device, which comprises a frame and an arc milling device arranged on the frame, wherein the arc milling device is provided with a bearing die holder, a pressing block, a limiting block and a milling cutter, the lower fork is horizontally arranged, the bearing die holder is positioned on the upper side surface of the frame, the pressing block is movably arranged above the bearing die holder and can do downward pressing movement relative to the bearing die holder, so that the front part of the lower fork is firmly pressed on the bearing die holder; the limiting block can be movably arranged on the bearing die holder, and a positioning piece capable of limiting and positioning the rear part of the lower fork is further formed on the limiting block; the milling cutter can horizontally move and rotate relative to the bearing die holder so as to mill an arc on the lower fork arranged on the bearing die holder. The arc milling equipment for the lower fork of the frame is novel and reasonable in structure, high in automation degree and high in processing stability, and can well improve the arc milling precision and the arc milling efficiency of the lower fork; but also can improve the cleaning cleanness of the bottom fork five-way cambered surface and reduce the production cost.

Description

Arc milling equipment for lower fork of frame

Technical Field

The utility model relates to a mill arc equipment technical field, specifically provide a fork mills arc equipment under frame.

Background

At present, when the five-way arc is milled by a lower fork, the arc milling equipment is limited by the technology, and the phenomena of inaccurate arc milling and deviation are easy to occur, so that the qualification rate of products is low. And current arc equipment of milling adopts the feed mode of perpendicular to lower fork mostly, and this can push down the fork with the aluminium bits or remain on the five-way cambered surface, so for ensureing to produce the line and go on, just need arrange the special messenger and clear away the aluminium bits to lead to manpower resources extravagant, manufacturing cost to improve, influence enterprise competitiveness.

In view of this, the present invention is especially provided.

Disclosure of Invention

In order to overcome the defects, the utility model provides arc milling equipment for a lower fork of a frame, which has novel and reasonable structure, high automation degree and high processing stability on one hand, and can well improve the arc milling precision and the arc milling efficiency of the lower fork; on the other hand, the cleaning cleanliness of the bottom fork five-way arc surface can be improved, and the production cost is reduced.

The utility model discloses a solve the technical scheme that its technical problem adopted and be: the arc milling device for the lower fork of the frame comprises a base and an arc milling device arranged on the base, wherein the arc milling device is provided with a bearing die holder, a pressing block, a limiting block and a milling cutter, the bearing die holder is horizontally arranged on the upper side face of the base, the pressing block is movably arranged above the bearing die holder and can do downward pressing movement relative to the bearing die holder, and therefore the front part of the lower fork is firmly pressed against the bearing die holder; the limiting block can be movably arranged on the bearing die holder, and a positioning piece capable of limiting and positioning the rear part of the lower fork is further formed on the limiting block; the milling cutter can horizontally move and rotate relative to the bearing die holder so as to mill an arc on a lower fork arranged on the bearing die holder (20).

As a further improvement of the present invention, the receiving base has a first receiving base for receiving the front portion of the lower fork and a second receiving base for receiving the rear portion of the lower fork, the first receiving base and the second receiving base are arranged side by side and are positioned on the upper side of the base, and the first receiving base and the second receiving base are arranged side by side and are defined as the front-rear direction.

As a further improvement, the briquetting activity arrange in first top of accepting the seat and can be relative first accept the seat and do and push down the removal, concrete implementation structure does: be equipped with first mount pad, installation pole and lift cylinder, wherein, first mount pad location set up in on the frame side and be close to in first position department on accepting the seat right side, the installation pole transversely articulate in on the first mount pad upside, just installation pole length direction's one end still stretch put in first top of accepting the seat, and install installation pole length direction's one end location the briquetting, lift cylinder location install in on the outside founds the wall of frame, the piston rod of lift cylinder can stretch out and draw back the location from top to bottom, just the piston rod of lift cylinder still with installation pole length direction's other end location is connected.

As a further improvement of the present invention, three receiving grooves are formed in the second receiving base and arranged side by side in the left-right direction, one receiving groove located in the middle is defined as a receiving groove a, the remaining two receiving grooves are defined as receiving grooves B, and the two receiving grooves B are used for receiving the rear portion of the lower fork;

the limiting block can be movably mounted in the accommodating groove A, and the limiting block is further provided with a positioning piece which can limit and position the tail at the rear part of the lower fork.

As a further improvement of the utility model, realize the restriction piece can movable mounting in structure in the accepting groove A does: a first sliding rail extending along the front-rear direction is formed on the inner wall of the bottom of the accommodating groove A; the first sliding rail is provided with a first sliding groove A, a first sliding rail B and a first sliding rail B, the first sliding rail B is provided with a first sliding rail A, the first sliding rail B is provided with a first sliding rail, the first sliding rail B is provided with a first; the limiting block is movably arranged in the accommodating groove A and is connected with the bottom end of the lifting screw in a positioning way;

in addition, the left side wall and the right side wall of the limiting block are respectively and integrally formed with a clamping column which can be clamped and matched with a tail hook at the rear part of the lower fork, and the clamping column is the positioning piece.

As a further improvement, the utility model discloses a still be equipped with two sets of clamping components, each clamping component respectively has a die clamping cylinder, two die clamping cylinder lays two relatively the outside of accepting groove B, two the activity that die clamping cylinder's piston rod can correspond respectively is inserted and is arranged in two in the accepting groove B, and two still install a tight piece of clamp on die clamping cylinder's the piston rod one end respectively, promptly: two clamping cylinder can drive two the tail that presss from both sides tight piece towards fork rear portion colludes the removal down to the realization compresses tightly the location to fork rear portion down.

As a further improvement, the utility model discloses a realize milling cutter can be relative accept die holder horizontal migration and rotatory structure is: a second sliding rail extending along the left-right direction is positioned and laid on the upper side face of the machine base, and one end of the second sliding rail in the length direction also extends to the left side of the first bearing seat; is provided with a power unit, the power unit comprises a second mounting seat, a driving cylinder, a motor and a transmission shaft extending along the left and right directions, wherein the second mounting seat is slidably mounted on the second slide rail, the driving cylinder is positioned on the upper side surface of the machine seat, a piston rod of the driving cylinder can be telescopically positioned along the left-right direction, and the piston rod of the driving cylinder is also connected with the second mounting seat in a positioning way, the motor is arranged on the top side of the second mounting seat in a positioning way, a speed reducer is arranged on a power output shaft of the motor, the transmission shaft is movably arranged in the second mounting seat, and one shaft end of the transmission shaft is in transmission connection with an output shaft of the speed reducer through a synchronous belt pulley assembly, the other shaft end of the transmission shaft extends out of the second mounting seat, and the milling cutter is positioned and mounted on the other shaft end of the transmission shaft.

The utility model has the advantages that: milling arc equipment's novel structure, reasonable, degree of automation is high, and processing stability is high, what the promotion fork was down that can be fine mills the arc precision and mill arc efficiency. Mill arc equipment and adopt the side direction feed to mill the arc mode, can effectively avoid the aluminium bits to get into down the fork or remain on the five-way cambered surface to both can promote the washing cleanliness of the five-way cambered surface of fork down, ensure to promote the intensity when subsequent assemblage welding, can cancel the work of having milled the unhairing limit and falling the aluminium bits behind the arc again, reduced manufacturing cost, and reduced personnel's intensity of labour.

Drawings

Fig. 1 is a schematic structural view of the arc milling equipment for the lower fork of the frame of the present invention;

fig. 2 is an enlarged view of a portion of the structure of fig. 1.

The following description is made with reference to the accompanying drawings:

1, a machine base; 20-a bearing die holder; 200-a first bearing seat; 201-a second bearing seat; 202-a containing groove; 21-briquetting; 22-a limit block; 23-a milling cutter; 240 — a first mount; 241-mounting a rod; 242-lifting cylinder; 250-a support; 251-a lifting screw; 252 — horizontal screw; 26-a clamping cylinder; 270 — a second mount; 271-motor.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and the present invention is not limited to the embodiments described in the present application.

It should be understood that the structures, ratios, sizes, etc. shown in the drawings attached to the present specification are only used for matching with the contents disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any modification of the structures, changes of the ratio relation or adjustment of the size should still fall within the scope covered by the technical contents disclosed in the present invention without affecting the function and the achievable purpose of the present invention. The terms "first" and "second" used herein are used for convenience of description and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.

Example 1:

please refer to fig. 1 and fig. 2, which are a schematic structural diagram and a schematic partial structural enlargement diagram of the frame bottom fork arc milling apparatus according to the present invention.

The arc milling equipment for the lower fork of the frame comprises a frame 1 and an arc milling device arranged on the frame 1, wherein the arc milling device is provided with a receiving die holder 20 for horizontally placing the lower fork F, a pressing block 21 made of a plastic material, a limiting block 22 and a milling cutter 23, the receiving die holder 20 is positioned on the upper side surface of the frame 1, the pressing block 21 is movably arranged above the receiving die holder 20 and can move downwards relative to the receiving die holder 20 so as to firmly press the front part of the lower fork against the receiving die holder 20; the limiting block 22 can be movably mounted on the receiving die holder 20, and a positioning part capable of limiting and positioning the rear part of the lower fork is further formed on the limiting block 22; the milling cutter 23 can horizontally move and rotate relative to the receiving die holder 20 to mill an arc of the lower fork placed on the receiving die holder 20.

In this embodiment, it is preferable that the receiving mold base 20 has a first receiving seat 200 for receiving the front portion of the bottom fork and a second receiving seat 201 for receiving the rear portion of the bottom fork, the first receiving seat 200 and the second receiving seat 201 are positioned and installed on the upper side surface of the base 1, and the direction of the side-by-side arrangement of the first receiving seat 200 and the second receiving seat 201 is defined as the front-back direction.

Preferably, the pressing block 21 is movably disposed above the first bearing seat 200 and can be pressed down and moved relative to the first bearing seat 200, and the specific implementation structure is as follows: be equipped with first mount pad 240, installation pole 241 and lift cylinder 242, wherein, first mount pad 240 location set up in on the side on the frame 1 and be close to in the first position department on accepting the seat 200 right side, installation pole 241 transversely articulate in on the first mount pad 240 upside, just installation pole 241 length direction's one end still stretch put in first top of accepting seat 200, and install installation pole 241 length direction's one end location briquetting 21, lift cylinder 242 location install in on the outside founds the wall of frame 1, lift cylinder 242's piston rod can stretch out and draw back the location from top to bottom, just lift cylinder 242's piston rod still with installation pole 241 length direction's other end location is connected.

Preferably, three receiving grooves 202 are formed in the second socket 201 and arranged side by side in the left-right direction, one receiving groove 202 located in the middle is defined as a receiving groove a, the remaining two receiving grooves 202 are both defined as receiving grooves B, and the two receiving grooves B are used for receiving the rear portion of the bottom fork;

the limiting block 22 can be movably mounted in the accommodating groove A, and the limiting block 22 is further provided with a positioning piece which can limit and position the tail at the rear part of the lower fork.

Further preferably, the structure that the restricting block 22 can be movably mounted in the housing groove a is: a first sliding rail extending along the front-rear direction is formed on the inner wall of the bottom of the accommodating groove A; the device is further provided with a driving assembly, the driving assembly is provided with a bracket 250 which is slidably mounted on the first sliding rail, a lifting screw 251 which is vertically arranged and is in threaded connection with the bracket 250, and a horizontal screw 252 which extends in the front-back direction and is in threaded connection with the accommodating groove A, one end of the horizontal screw 252 is also in positioning connection with the bottom side of the bracket 250, and the other end of the horizontal screw 252 is provided with a hand wheel for an operator to operate; the limiting block 22 is movably arranged in the containing groove A and is connected with the bottom end of the lifting screw 251 in a positioning way;

in addition, the left and right side walls of the limiting block 22 are respectively integrally formed with a clamping column which can be clamped and matched with the tail hook at the rear part of the lower fork, and the clamping column is the positioning element.

Further preferably, two sets of clamping assemblies are further provided, each clamping assembly is provided with a clamping cylinder 26, the two clamping cylinders 26 are oppositely arranged at the outer sides of the two accommodating grooves B, piston rods of the two clamping cylinders 26 can be respectively and correspondingly movably inserted into the two accommodating grooves B, and one end of each piston rod of the two clamping cylinders 26 is further provided with a clamping block, that is: the two clamping cylinders 26 can drive the two clamping blocks to move towards the tail hook at the rear part of the lower fork, so that the rear part of the lower fork is pressed and positioned.

In this embodiment, it is preferable that the structure for enabling the milling cutter 23 to horizontally move and rotate with respect to the receiving mold base 20 is: a second sliding rail extending along the left-right direction is positioned and laid on the upper side surface of the machine base 1, and one end of the second sliding rail in the length direction also extends to the left side of the first bearing seat 200; the power unit is arranged and comprises a second mounting seat 270, a driving air cylinder, a motor 271 and a transmission shaft extending along the left-right direction, wherein the second mounting seat 270 is slidably mounted on the second slide rail, the driving air cylinder is positioned and arranged on the upper side surface of the machine base 1, a piston rod of the driving air cylinder can be telescopically positioned along the left-right direction, the piston rod of the driving air cylinder is also positioned and connected with the second mounting seat 270, the motor 271 is positioned and mounted on the top side of the second mounting seat 270, a speed reducer is mounted on a power output shaft of the motor 271, the transmission shaft is movably mounted in the second mounting seat 270, one shaft end of the transmission shaft is in transmission connection with an output shaft of the speed reducer through a synchronous belt pulley assembly (consisting of two belt pulleys and a synchronous belt), and the other shaft end of the transmission shaft extends out of the second mounting seat 270, the milling cutter 23 is positioned and mounted on the other shaft end of the transmission shaft; preferably, the milling cutter is of a serrated cutter type, and can cut the lower fork in a single point manner to perform large-area arc milling operation, so that fine aluminum chips are avoided.

In conclusion, the arc milling equipment for the lower fork of the frame has the advantages of novel and reasonable structure, high automation degree and high processing stability, and can well improve the arc milling precision and the arc milling efficiency of the lower fork; but also can improve the cleaning cleanness of the bottom fork five-way cambered surface and reduce the production cost.

The above description is only a preferred embodiment of the present invention, but not intended to limit the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as within the protection scope of the present invention.

Claims

1. The utility model provides a fork mills arc equipment under frame, includes frame (1) and install in mill arc device on frame (1), its characterized in that: the arc milling device is provided with a bearing die holder (20) for horizontally placing a lower fork, a pressing block (21), a limiting block (22) and a milling cutter (23), wherein the bearing die holder (20) is positioned on the upper side surface of the machine base (1), and the pressing block (21) is movably arranged above the bearing die holder (20) and can perform downward pressing movement relative to the bearing die holder (20) so as to firmly press the front part of the lower fork against the bearing die holder (20); the limiting block (22) can be movably arranged on the bearing die holder (20), and a positioning piece capable of limiting and positioning the rear part of the lower fork is further formed on the limiting block (22); the milling cutter (23) can horizontally move and rotate relative to the bearing die holder (20) so as to mill a lower fork on the bearing die holder (20).

2. The frame bottom fork arc milling apparatus of claim 1, wherein: the bearing die holder (20) is provided with a first bearing seat (200) for bearing the front part of the lower fork and a second bearing seat (201) for bearing the rear part of the lower fork, the first bearing seat (200) and the second bearing seat (201) are arranged side by side and positioned on the upper side surface of the base (1), and the parallel arrangement direction of the first bearing seat (200) and the second bearing seat (201) is defined as the front-back direction.

3. The frame bottom fork arc milling apparatus of claim 2, wherein: the briquetting (21) activity arrange in the top of first accepting seat (200), and can do the removal of pushing down relatively first accepting seat (200), specifically realize the structure and do: is provided with a first mounting seat (240), a mounting rod (241) and a lifting cylinder (242), wherein the first mounting seat (240) is positioned and arranged on the upper side surface of the machine base (1) and close to the position on the right side of the first bearing seat (200), the mounting rod (241) is transversely hinged on the upper side of the first mounting seat (240), and one end of the mounting rod (241) in the length direction also extends above the first bearing seat (200), the pressing block (21) is positioned and installed at one end of the installation rod (241) in the length direction, the lifting cylinder (242) is positioned and installed on the outer side vertical wall of the machine base (1), a piston rod of the lifting cylinder (242) can be stretched and positioned up and down, and the piston rod of the lifting cylinder (242) is also connected with the other end of the mounting rod (241) in the length direction in a positioning manner.

4. The frame bottom fork arc milling apparatus of claim 2, wherein: three receiving grooves (202) are formed in the second bearing seat (201) and are arranged side by side in the left-right direction, one receiving groove (202) in the middle is defined as a receiving groove A, the remaining two receiving grooves (202) are both defined as receiving grooves B, and the two receiving grooves B are used for receiving the rear part of the lower fork;

the limiting block (22) can be movably mounted in the accommodating groove A, and the limiting block (22) is further provided with a positioning piece which can limit and position the tail hook at the rear part of the lower fork.

5. The frame bottom fork arc milling apparatus of claim 4, wherein: the structure that the limiting block (22) can be movably arranged in the containing groove A is as follows: a first sliding rail extending along the front-rear direction is formed on the inner wall of the bottom of the accommodating groove A; the driving assembly is further provided with a support (250) which is slidably mounted on the first sliding rail, a lifting screw (251) which is vertically arranged and is in threaded connection with the support (250), and a horizontal screw (252) which extends in the front-back direction and is in threaded connection with the accommodating groove A, and one end of the horizontal screw (252) is also in positioning connection with the bottom side of the support (250); the limiting block (22) is movably arranged in the accommodating groove A and is connected with the bottom end of the lifting screw rod (251) in a positioning way;

in addition, the left side wall and the right side wall of the limiting block (22) are respectively and integrally formed with clamping columns which can be clamped and matched with the tail hooks at the rear parts of the lower forks, and the clamping columns are the positioning pieces.

6. The frame bottom fork arc milling apparatus of claim 5, wherein: the clamping device is characterized by further comprising two groups of clamping assemblies, each clamping assembly is provided with a clamping cylinder (26), the two clamping cylinders (26) are oppositely arranged on the outer sides of the two accommodating grooves B, piston rods of the two clamping cylinders (26) can be respectively and correspondingly movably inserted into the two accommodating grooves B, and one end of each piston rod of the two clamping cylinders (26) is further provided with a clamping block, namely: two clamping cylinder (26) can drive two the end that presss from both sides tight piece towards fork rear portion colludes and removes to the realization compresses tightly the location to fork rear portion down.

7. The frame bottom fork arc milling apparatus of claim 2, wherein: the structure for realizing the horizontal movement and rotation of the milling cutter (23) relative to the bearing die holder (20) comprises the following structures: a second sliding rail extending along the left-right direction is positioned and laid on the upper side surface of the machine base (1), and one end of the second sliding rail in the length direction also extends to the left side of the first bearing base (200); the power unit is arranged and comprises a second mounting seat (270), a driving air cylinder, a motor (271) and a transmission shaft extending along the left-right direction, wherein the second mounting seat (270) is slidably mounted on a second slide rail, the driving air cylinder is positioned and arranged on the upper side surface of the machine base (1), a piston rod of the driving air cylinder can be telescopically positioned along the left-right direction, the piston rod of the driving air cylinder is also positioned and connected with the second mounting seat (270), the motor (271) is positioned and mounted on the top side of the second mounting seat (270), a speed reducer is mounted on a power output shaft of the motor (271), the transmission shaft is movably mounted in the second mounting seat (270), one shaft end of the transmission shaft is in transmission connection with an output shaft of the speed reducer through a synchronous belt pulley component, and the other shaft end of the transmission shaft extends out of the second mounting seat (270), and the milling cutter (23) is positioned and installed on the other shaft end of the transmission shaft.