CN213857311U

CN213857311U - Multi-station brake camshaft milling machine hydraulic fixture

Info

Publication number: CN213857311U
Application number: CN202023021279.1U
Authority: CN
Inventors: 王亚权; 刘建国; 张灿银
Original assignee: Jiangsu Weibo Machinery Manufacturing Co ltd
Current assignee: Jiangsu Weibo Machinery Manufacturing Co ltd
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2021-08-03
Anticipated expiration: 2030-12-15

Abstract

The utility model discloses a multistation brake camshaft milling machine hydraulically operated fixture, its technical scheme main points are: the hydraulic fixing device comprises a base, a hydraulic rod, a lap plate and a fixed block, wherein the hydraulic rod is fixedly arranged on the upper surface of the base, the lap plate is fixedly connected above the hydraulic rod, the fixed block is fixedly installed at the front end of the lap plate, a through hole is formed in the fixed block, a limiting rod is arranged in the through hole, the limiting rod is fixedly connected with the base, fixed plates are fixed to the left side and the right side of the lap plate through bolts, a rotary plate is movably installed at the front end of the fixed plate, an extrusion groove is formed in the surface of the rotary plate, a sliding groove is formed in the fixed plate, and a communication groove is formed in the front surface of the fixed plate; the device can simultaneously drive a plurality of clamping assemblies by matching the extrusion structure with the elastic structure, so that the device can clamp objects at a plurality of positions, and the application range of the device is wider.

Description

Multi-station brake camshaft milling machine hydraulic fixture

Technical Field

The utility model relates to a braking camshaft processing technology field, concretely relates to multistation braking camshaft milling machine hydraulically operated fixture.

Background

Inside the brake camshaft is often used for the engine of motorbus, in the in-process of processing brake camshaft, need grind it, consequently need use the milling machine, the milling machine mainly comes the grinding work to the surface of metal through the rotation of milling cutter, still need use supporting hydraulic fixture to carry out centre gripping and location work to brake camshaft in the in-process of processing the article through the milling machine.

Chinese patent No. CN201920111406.5 discloses a multi-station brake camshaft milling machine hydraulic fixture, which comprises a mounting plate, a fixing plate and an oil cylinder, wherein a plurality of mounting grooves are arranged on the side wall of the mounting plate along the circumferential direction at equal intervals, the mounting grooves are of a conical structure, each mounting groove is internally provided with a clamping mechanism, the clamping mechanism comprises a chuck arranged in the mounting groove, the oil cylinder is mounted on the fixing plate through a first bolt, the piston end of the oil cylinder penetrates through the fixing plate and is fixedly connected with a traction ring, the traction ring is detachably connected with the chuck, one end of the chuck far away from the traction ring is provided with a clamping groove, the middle part of the side wall of the mounting plate is fixedly connected with a fixing rod, one end of the fixing rod far away from the mounting plate penetrates through the fixing plate and is rotatably connected with the fixing plate, the fixing mechanism for fixing the fixing rod is arranged on the side wall of the fixing plate, fixedly connected with spacing packing ring on the mounting panel is close to a lateral wall of fixed plate, through setting up a plurality of mounting grooves and a plurality of clamping mechanism, can be according to the tight needs of the clamp of the camshaft of different specifications, rotate the mounting panel and make the clamping mechanism who corresponds the specification rotate to the top to be connected with traction ring, insert the tip of camshaft in the clamping groove on the chuck, can pass through the hydro-cylinder, the pulling chuck, the chuck receives the restriction of mounting groove toper structure, and then the shrink realizes pressing from both sides tightly fixedly to the camshaft.

The device clamps and fixes a plurality of workpieces only through four mounting grooves with different sizes, however, in the actual use process, the brake cam shafts with different sizes are usually required to be fixed, different processing requirements are hardly adapted only through the four mounting grooves with different sizes, and the application range is narrow.

SUMMERY OF THE UTILITY MODEL

To the problem of mentioning in the background art, the utility model aims at providing a multistation braking camshaft milling machine hydraulically operated fixture to solve the problem of mentioning in the background art.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a multistation braking camshaft milling machine hydraulically operated fixture, includes base, hydraulic stem, overlap joint board and fixed block, the last fixed surface of base is provided with the hydraulic stem, and the top fixedly connected with overlap joint board of hydraulic stem to the front end fixed mounting of overlap joint board has the fixed block, the through-hole has been seted up to the inside of fixed block, and the inside of through-hole is provided with the gag lever post to be fixed connection between gag lever post and the base, the equal bolt fastening in the left and right sides of overlap joint board has the fixed disk, and the front end movable mounting of fixed disk has the carousel to the extrusion groove has been seted up on the surface of carousel, the spout has been seted up to the inside of fixed disk, and the front surface of fixed disk has seted up the intercommunication groove.

Through adopting above-mentioned technical scheme, can come to carry out centre gripping and fixed to article through the fixed disk of the last left and right sides of device to cooperation milling machine carries out grinding and hands over work, and the hydraulic stem comes the height of adding man-hour to the device wholly to adjust simultaneously, has promoted the practicality of device.

The preferred, the gag lever post runs through in the inside of fixed block, and the axis of fixed block, gag lever post, base and hydraulic stem all is in the coplanar, the equal symmetric distribution of fixed disk and carousel is in the left and right sides of overlap joint board, and the diameter of fixed disk is greater than the diameter of carousel.

Through adopting above-mentioned technical scheme, the device can utilize the hydraulic stem to come to adjust and fixed work with holding the holistic height of subassembly when using, and the cooperation gag lever post comes to spacing the centre gripping subassembly, has guaranteed the stability when the device adjusts.

The preferred, the fixed bearing that is provided with in the inside centre of carousel, and the outside fixedly connected with pivot of bearing to the pivot constitute rotating-structure between bearing and the fixed disk, the front end fixedly connected with connecting axle of pivot, and the side fixedly connected with holding rod of connecting axle front end to the peripheral fixed mounting of holding rod has cyclic annular gum cover, cyclic annular gum cover is at the equidistant distribution in surface of holding rod, pivot, connecting axle and holding rod formula structure as an organic whole, the carousel passes through and constitutes rotating-structure between pivot and the fixed disk.

Through adopting above-mentioned technical scheme, can utilize the inside bearing of device to rotate the carousel for the carousel drives each department's fishplate bar on the device at the pivoted in-process and moves simultaneously, thereby reaches the transmission effect.

Preferably, the inside movable mounting of extrusion groove has the nose bar, and the rear end fixedly connected with fishplate bar of nose bar to the front end fixedly connected with butt joint plate of fishplate bar, the surface paste of butt joint plate is provided with the rubber pad.

Through adopting above-mentioned technical scheme, can protect when fixing brake camshaft through the rubber pad, avoid the pressurized condition of colliding with the loss to take place, security when having promoted the device and using.

Preferably, the inner connecting plate forms a telescopic structure with the fixed disc through the convex rod, the extrusion groove and the rotary disc, and the inner connecting plate and the butt joint plate are perpendicular to each other.

Through adopting above-mentioned technical scheme, can carry out the centre gripping in a plurality of azimuths and fixed work to the braking camshaft through the extending structure on the device, stability when having promoted the device and using.

Preferably, the inner wall of the sliding groove and the outer wall of the inner connecting plate are mutually attached, a spring is fixedly arranged in the sliding groove, and the sliding groove is distributed in the fixed disc in a central symmetry manner.

Through adopting above-mentioned technical scheme, can utilize the spring on the device to hold interior fishplate bar to the butt joint board that makes interior fishplate bar front end can be stably press from both sides tightly the object.

Preferably, the springs and the communication grooves correspond to each other, the width of the communication grooves is equal to the diameter of the convex rods, and the convex rods form a sliding structure with the fixed disc through the communication grooves.

Through adopting above-mentioned technical scheme, can come to restrict the maximum distance of the outside extension of internal plate through the sliding construction on the device, avoid the spring to receive overstretch, promote the result of use of device.

To sum up, the utility model discloses mainly have following beneficial effect:

(1) the device is provided with a transmission structure consisting of the extrusion groove and the convex rod, the inner wall of the extrusion groove can extrude the outer wall of the convex rod by rotating the rotary table, so that the convex rods at all positions on the device can be inwards contracted or outwards expanded, the purpose of driving the multiple internal connecting plates on the device to simultaneously move by rotating the rotary table is achieved, and the brake camshafts with different sizes and different shapes can be stably fixed by the butt plates distributed at equal angles, the application range of the device is expanded, and the clamping stability is ensured;

(2) a plurality of annular rubber sleeves are distributed on the handle at the front end of the device at equal angles, so that the device is more stable in operation, the device limits the lapping plate through the limiting rod, the lapping plate vertically moves up and down, the stability of the device when the height of the device is adjusted is guaranteed, the device clamps the braking cam shaft through the rubber pads distributed at equal angles, friction force is provided during clamping, and the phenomenon that an object drops is avoided.

Drawings

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

FIG. 2 is a schematic rear sectional view of the fixing plate of the present invention;

fig. 3 is an enlarged schematic view of a portion a of fig. 1 according to the present invention;

fig. 4 is a schematic front view of the fixing plate of the present invention;

FIG. 5 is a schematic view of the connection structure of the fixing block and the limiting rod of the present invention;

FIG. 6 is a schematic view of the connection structure of the butt plate and the rubber pad of the present invention;

reference numerals: 1. a base; 2. a hydraulic lever; 3. a lap plate; 4. a fixed block; 5. a through hole; 6. a limiting rod; 7. fixing the disc; 8. a turntable; 9. a bearing; 10. a rotating shaft; 11. a connecting shaft; 12. a holding rod; 13. an annular rubber sleeve; 14. extruding a groove; 15. a nose bar; 16. an inner connecting plate; 17. a butt plate; 18. a rubber pad; 19. a chute; 20. a spring; 21. a communicating groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, 4 and 5, a multi-station brake camshaft milling machine hydraulic fixture comprises a base 1, a hydraulic rod 2, a lapping plate 3 and a fixing block 4, wherein the hydraulic rod 2 is fixedly arranged on the upper surface of the base 1, the lapping plate 3 is fixedly connected to the upper side of the hydraulic rod 2, the fixing block 4 is fixedly mounted at the front end of the lapping plate 3, a through hole 5 is formed in the fixing block 4, a limiting rod 6 is arranged in the through hole 5, the limiting rod 6 is fixedly connected with the base 1, fixing plates 7 are fixedly bolted on the left side and the right side of the lapping plate 3, a turntable 8 is movably mounted at the front end of the fixing plate 7, an extrusion groove 14 is formed in the surface of the turntable 8, a sliding groove 19 is formed in the fixing plate 7, a communicating groove 21 is formed in the front surface of the fixing plate 7, the limiting rod 6 penetrates through the fixing block 4, the fixing block 4 and the limiting rod 6, The central axes of the base 1 and the hydraulic rod 2 are in the same plane, so that the weight of the left end and the right end of the device is balanced, and the stability of the subsequent adjustment of the device is ensured.

Referring to fig. 1 to 4, the fixed tray 7 and the turntable 8 are symmetrically disposed at both left and right sides of the strap 3, the diameter of the fixed disc 7 is larger than that of the rotary disc 8, a bearing 9 is fixedly arranged in the middle of the inner part of the rotary disc 8, a rotating shaft 10 is fixedly connected with the outer side of the bearing 9, and a rotating structure is formed between the rotating shaft 10 and the fixed disc 7 through a bearing 9, the front end of the rotating shaft 10 is fixedly connected with a connecting shaft 11, the side surface of the front end of the connecting shaft 11 is fixedly connected with a holding rod 12, and the periphery of the holding rod 12 is fixedly provided with an annular rubber sleeve 13, the annular rubber sleeve 13 is distributed on the surface of the holding rod 12 at equal intervals, the rotating shaft 10, the connecting shaft 11 and the holding rod 12 are of an integrated structure, the rotating disc 8 forms a rotating structure through the rotating shaft 10 and the fixed disc 7, the rotational structure on the device may be used in conjunction with the subsequently used extrusion structure to simultaneously adjust the position of the multiple inner tabs 16 on the device.

Referring to fig. 2-4 and 6, a protruding rod 15 is movably mounted inside the extrusion groove 14, an inner connecting plate 16 is fixedly connected to the rear end of the protruding rod 15, a butt plate 17 is fixedly connected to the front end of the inner connecting plate 16, a rubber pad 18 is adhered to the surface of the butt plate 17, the inner connecting plate 16 forms a telescopic structure through the protruding rod 15, the extrusion groove 14, the rotary disc 8 and the fixed disc 7, the inner connecting plate 16 and the butt plate 17 are perpendicular to each other, the telescopic structure on the device is matched with the inner connecting plate 16 and the butt plate 17 which are distributed at equal angles to clamp and fix an object to be processed in multiple directions, and stability during processing is guaranteed.

Referring to fig. 1-4, the inner wall of chute 19 and the outer wall of inner connecting plate 16 are mutually attached, and the fixed spring 20 that is provided with in the inside of chute 19, and chute 19 is central symmetry form distribution in the inside of fixed disk 7, correspond mutually between spring 20 and the intercommunication groove 21, and the width of intercommunication groove 21 equals the diameter of nose bar 15, and nose bar 15 constitutes sliding structure through intercommunication groove 21 and fixed disk 7 between, come to advance spacingly to inner connecting plate 16 through chute 19 in the device, avoid inner connecting plate 16 to rock, guarantee inner connecting plate 16 straight movement, the practical effect of device has been promoted.

The working principle is as follows: as shown in fig. 1-5, the whole device supports the hydraulic rod 2 and the limiting rod 6 through the base 1, the whole height of the lapping plate 3 is adjusted through the hydraulic rod 2, the through hole 5 in the fixing block 4 is attached to the limiting rod 6, so when the lapping plate 3 is lifted, the whole device is more stable, and at the same time, the device fixes the fixing discs 7 on the left and right sides through the lapping plate 3, thereby performing multi-station processing work, when processing, the braking camshaft needs to be fixed, firstly, as shown in fig. 1-4, the device rotates the whole device to the state of fig. 3 by rotating the holding rod 12 and the annular rubber sleeve 13 to ensure the resistance when holding, it should be noted that the position of the protruding rod 15 in fig. 3 is the same as the position of the protruding rod 15 in fig. 2, and the spring 20 in the sliding groove 19 is in a stretched state, finishing preliminary preparation work;

as shown in fig. 2-4 and 6, another worker moves to the rear of the device, and the opposite direction is as shown in fig. 2, by placing the braking camshaft into the center of the rear side of the fixed disk 7, at this time, the worker at the front of the device releases the grip 12, since the connecting shaft 11 can rotate on the fixed disk 7 through the rotating shaft 10 and the bearing 9, and the rotating disk 8 and the rotating shaft 10 are fixed to each other, the protruding rod 15 moves to the center of the circle of the fixed disk 7 under the pulling force of the spring 20 to the inner connecting plate 16, and at the same time, the outer wall of the protruding rod 15 presses the inner wall of the pressing groove 14, so that the rotating disk 8 rotates clockwise (as shown in fig. 3) under the pressing force, thereby simultaneously extending and retracting the plurality of inner connecting plates 16, the protruding rod 15 slides in the communicating groove 21, and the braking camshaft is protected by the rubber pad 18 when being clamped, the whole operation process of the device is performed for the purpose of multi-directional holding and fixing, and the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a multistation braking camshaft milling machine hydraulically operated fixture, includes base (1), hydraulic stem (2), overlap joint board (3) and fixed block (4), its characterized in that: the upper surface of base (1) is fixed and is provided with hydraulic stem (2), and the top fixedly connected with bridging plate (3) of hydraulic stem (2) to the front end fixed mounting of bridging plate (3) has fixed block (4), through-hole (5) have been seted up to the inside of fixed block (4), and the inside of through-hole (5) is provided with gag lever post (6), and be fixed connection between gag lever post (6) and base (1), the equal bolt fastening in the left and right sides of bridging plate (3) has fixed disk (7), and the front end movable mounting of fixed disk (7) has carousel (8) to extrusion groove (14) have been seted up on the surface of carousel (8), spout (19) have been seted up to the inside of fixed disk (7), and intercommunication groove (21) have been seted up to the front surface of fixed disk (7).

2. The multi-station brake camshaft milling machine hydraulic fixture according to claim 1, characterized in that: gag lever post (6) run through in the inside of fixed block (4), and the axis of fixed block (4), gag lever post (6), base (1) and hydraulic stem (2) all is in the coplanar, fixed disk (7) and the equal symmetric distribution of carousel (8) are in the left and right sides of overlap joint board (3), and the diameter of fixed disk (7) is greater than the diameter of carousel (8).

3. The multi-station brake camshaft milling machine hydraulic fixture as claimed in claim 2, wherein: fixed bearing (9) that is provided with in the middle of carousel (8) inside, and outside fixedly connected with pivot (10) of bearing (9) to pivot (10) pass through and constitute revolution mechanic between bearing (9) and fixed disk (7), the front end fixedly connected with connecting axle (11) of pivot (10), and the side fixedly connected with holding rod (12) of connecting axle (11) front end to the peripheral fixed mounting of holding rod (12) has cyclic annular gum cover (13), cyclic annular gum cover (13) are at the equidistant distribution in surface of holding rod (12), pivot (10), connecting axle (11) and holding rod (12) formula structure as an organic whole, carousel (8) constitute revolution mechanic between through pivot (10) and fixed disk (7).

4. The multi-station brake camshaft milling machine hydraulic fixture according to claim 1, characterized in that: the inside movable mounting of extrusion groove (14) has nose bar (15), and the rear end fixedly connected with interior fishplate bar (16) of nose bar (15) to the front end fixedly connected with butt plate (17) of interior fishplate bar (16), the surface paste of butt plate (17) is provided with rubber pad (18).

5. The multi-station brake camshaft milling machine hydraulic fixture of claim 4, wherein: the inner connecting plate (16) forms a telescopic structure with the fixed disc (7) through the convex rod (15), the extrusion groove (14) and the rotary disc (8), and the inner connecting plate (16) and the butt joint plate (17) are perpendicular to each other.

6. The multi-station brake camshaft milling machine hydraulic fixture according to claim 1, characterized in that: the inner wall of the sliding groove (19) is mutually attached to the outer wall of the inner connecting plate (16), a spring (20) is fixedly arranged in the sliding groove (19), and the sliding groove (19) is distributed in the fixed disc (7) in a central symmetry manner.

7. The multi-station brake camshaft milling machine hydraulic fixture of claim 6, wherein: the springs (20) and the communication grooves (21) correspond to each other, the width of the communication grooves (21) is equal to the diameter of the protruding rods (15), and the protruding rods (15) and the fixed disc (7) form a sliding structure through the communication grooves (21).