CN215280748U - Fastening chuck for camshaft - Google Patents

Abstract

The utility model relates to a machine parts field specifically is a camshaft is with fastening chuck, comprises an operation bench, the vertical support column that is equipped with in operation panel upper end one side, support column upper end one side is equipped with and pushes down the subassembly, it is equipped with fastening components through first adjusting part activity to push down the subassembly lower extreme, the device slides two fastening blocks and two mounting bars respectively on the slide bar to suitable position through with fastening bolt and fixes, then support the camshaft of different length and cam mounted position, improve the stability of support, two chucks through spring self-adaptation connection when contacting with the camshaft, along with pressing down of fastening block, two chuck one side all the time with camshaft both sides in close contact with, guarantee the clamping stability of chuck under the contact action of fixed plate at last, and the adaptability of different camshaft diameters, and through the fastening block, The rubber pad that mounting bar and chuck set up avoids the camshaft to damage the deformation because of the centre gripping.

Description

Fastening chuck for camshaft

Technical Field

The utility model relates to a machine parts field specifically is a camshaft is with fastening chuck.

Background

The function of a component in a piston engine in the camshaft is to control the opening and closing of the valves. The main part of camshaft is a cylindrical rod body with the same approximate length of cylinder group, the axis body is sleeved with a plurality of cams used for driving the valve, the position of each cam is limited by the axial direction and the circumferential direction, other accessories need to be further pressed on the camshaft, and due to the importance of the camshaft, in the process of assembling the camshaft accessories, the stability needs to be kept, the error needs to be reduced as much as possible, the size of the camshaft in the prior art is different, when the camshafts with different lengths and diameters are fixed, a unchanged fastening chuck exists, and the camshaft has great instability after being clamped, and is extremely inconvenient to use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a camshaft is with fastening chuck to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a fastening chuck for a camshaft comprises an operating platform, wherein a supporting column is vertically arranged on one side of the upper end of the operating platform, a pressing component is arranged on one side of the upper end of the supporting column, a fastening component is movably arranged at the lower end of the pressing component through a first adjusting component, an installing box is integrally arranged at the center of the upper end of the operating platform, a movable seat is vertically inserted and connected with the upper end in the installing box through a rebounding component, a clamping component is movably connected and arranged at the upper end in the movable seat through a second adjusting component, a fixing plate is horizontally arranged at the lower end in the installing box through an installing frame, the upper end of the fixing plate penetrates through the lower end of the installing box and is inserted and arranged in the clamping component,

preferably, the pushing assembly comprises a lower pressing cylinder, a positioning plate is horizontally arranged on one side of the supporting column, the first adjusting assembly comprises an adjusting box, four guide rods are symmetrically arranged on the upper end of the adjusting box in a vertical mode, the four guide rods are respectively arranged on the inserting positioning plate in a penetrating mode, and the lower end of the pushing cylinder penetrates through the positioning plate and is connected with the upper end of the adjusting box.

Preferably, the adjusting box is internally and horizontally and symmetrically provided with two first sliding rods, the fastening assembly comprises two fastening blocks, and the two fastening blocks are respectively sleeved with the two first sliding rods through first fastening bolts.

Preferably, the second adjusting component comprises two second sliding rods, the two second sliding rods are horizontally and symmetrically arranged at the upper end in the movable seat, the clamping component comprises two mounting bars, and the two mounting bars are sleeved with the two second sliding rods through second fastening bolts.

Preferably, the adaptation groove has been seted up to the mounting bar lower extreme, and the equal horizontally connect in the adaptation inslot is equipped with the round bar, and equal symmetry cup joints on the round bar and is equipped with the chuck, and the round bar both sides all cup joint and are equipped with first spring, and two first spring one sides contact with chuck one side respectively, and mounting bar upper end center runs through adaptation groove one side and has seted up the spout, and runs through the spout respectively and peg graft and arrange the mounting bar upper end in two chuck upper ends.

Preferably, a plurality of fixed racks are symmetrically arranged at the upper end of the fixing plate in an integrated mode, a plurality of connecting teeth are arranged at the lower end of one side, in the adapting groove, of the chuck, through the connecting strips, and the vertical sectional areas of the connecting teeth and the fixed racks are the same.

Preferably, the resilience assembly comprises four resilience rods, the four resilience rods are symmetrically arranged at the lower end of the movable seat, four resilience grooves are symmetrically formed in the mounting box, the lower ends of the four resilience rods are respectively inserted into the four resilience grooves through the limiting blocks, and the resilience rods are inserted into the outer side of each resilience groove and are sleeved with the second spring.

Preferably, the chuck runs through grafting spout upper end and is the trapezium structure setting, and fastening block lower extreme, mounting bar upper end spout both sides and chuck one side all are equipped with the rubber pad.

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

1. the device respectively slides the two fastening blocks and the two mounting bars on the sliding rod to proper positions for fixing through fastening bolts, and then supports the cam shafts with different lengths and cam mounting positions, so that the support stability is improved;

2. when two chucks connected through spring self-adaptation contact with the camshaft, along with pressing of the fastening block, two chuck one side all the time with camshaft both sides in close contact with, guarantee the centre gripping stability of chuck under the contact action of fixed plate at last, and the adaptability of different camshaft diameters, and avoid the camshaft to damage the deformation because of the centre gripping through the rubber pad that fastening block, mounting bar and chuck set up.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the three-dimensional structure of the clamping block and the fixing plate of the present invention;

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

In the figure: the device comprises an operating platform 1, a mounting box 2, a movable seat 3, a fixing plate 4, a lower pressure cylinder 5, an adjusting box 6, a first sliding rod 7, a second sliding rod 701, a fastening block 8, a mounting bar 9, a round rod 10, a chuck 11, a first spring 12, a fixed rack 13, a connecting tooth 14, a rebound rod 15 and a second spring 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below. The embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative work, all belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a fastening chuck for a camshaft: comprises an operation table 1, a support column is vertically arranged on one side of the upper end of the operation table 1, a pressing component is arranged on one side of the upper end of the support column, the pressing component comprises a pressing cylinder 5, a positioning plate is integrally and horizontally arranged on one side of the support column, a first adjusting component comprises an adjusting box 6, four guide rods are vertically and symmetrically arranged on the upper end of the adjusting box 6, the four guide rods respectively penetrate through an inserting positioning plate, the lower end of the pressing cylinder 5 penetrates through the positioning plate to be connected with the upper end of the adjusting box 6, two first sliding rods 7 are horizontally and symmetrically arranged in the adjusting box 6, a fastening component comprises two fastening blocks 8, the two fastening blocks 8 are respectively sleeved with the two first sliding rods 7 through first fastening bolts, the lower end of the pressing component is movably provided with a fastening component through the first adjusting component, an installation box 2 is integrally arranged at the center of the upper end of the operation table 1, a movable seat 3 is vertically inserted and arranged at the upper end in the installation box 2 through a rebounding component, the rebounding assembly comprises four rebounding rods 15, the four rebounding rods 15 are vertically and symmetrically provided with the lower ends of the movable seats 3, four rebounding grooves are symmetrically formed in the lower end in the mounting box 2, the lower ends of the four rebounding rods 15 are respectively inserted into the four rebounding grooves through limiting blocks, and second springs 16 are sleeved on the sides, outside the rebounding grooves, of the rebounding rods 15 in an inserted mode, so that the fixed plate 4 can be pulled out and inserted in the center of the movable seat;

the upper end in the movable seat 3 is movably connected with a clamping component through a second adjusting component, the lower end in the mounting box 2 is horizontally provided with a fixed plate 4 through a mounting rack, the upper end of the fixed plate 4 penetrates through the lower end of the mounting box 2 and is inserted into the clamping component, the second adjusting component comprises two second slide bars 701, the two second slide bars 701 are horizontally and symmetrically arranged at the upper end in the movable seat 3, the clamping component comprises two mounting bars 9, the two mounting bars 9 are both sleeved with the two second slide bars 701 through second fastening bolts, the lower end of the mounting bar 9 is provided with an adaptive groove, a round bar 10 is horizontally connected and arranged in the adaptive groove, chucks 11 are symmetrically sleeved on the round bar 10, the two sides of the round bar 10 are both sleeved with first springs 12, one sides of the two first springs 12 are respectively contacted with one side of the chucks 11, the center of the upper end of the mounting bar 9 penetrates through the adaptive groove and is provided with a chute, and the upper ends of the two chucks 11 respectively penetrate through the chutes and are inserted into the upper end of the mounting bar 9, chuck 11 runs through grafting spout upper end and sets up for the trapezium structure, and 8 lower extremes in fastening block, mounting bar 9 upper ends and chuck 11 one side all are equipped with the rubber pad, 4 integrative symmetries in upper end of fixed plate are equipped with a plurality of fixed racks 13, and chuck 11 is arranged in adaptation inslot one side lower extreme and all is equipped with a plurality of connecting teeth 14 through the connecting strip, and a plurality of connecting teeth 14 are the same with a plurality of fixed racks 13 vertical sectional area sizes, when adapting to the camshaft, and the centre gripping of guarantee camshaft is stable, ensures the smoothness of installation accessories.

The working principle is as follows: when the camshaft clamping device is used, the first fastening bolt and the second fastening bolt are loosened through rotation, the fastening block 8 and the mounting strip 9 slide on the first sliding rod 7 and the second sliding rod 701 to proper positions, the fastening block 8 is positioned right above the mounting strip 9, the camshaft is placed at the upper end between the two clamping blocks 11 of the two mounting strips 9, as is well known, the distance between the two clamping points is in a relative range, the farther the distance is, the more stable the object to be clamped is, the clamping and fastening stability of the camshaft is further improved, then the lower end of the fastening block 8 is driven to descend by the lower pressure cylinder 5 in the prior art to be contacted with the upper end of the camshaft, as the elastic force of the second spring 16 is far greater than that of the first spring 12, the camshaft extrudes downwards to push the clamping blocks 11 at two sides to move along the round rods 10, and when the camshaft is contacted with the mounting strip 9, the movable seat 3 is driven to extrude the second spring 16, connecting teeth 14 at the lower end of the chuck 11 are sequentially inserted into a fixed rack 13 at the upper end of the fixing plate 4, the positions of the two chucks 11 are limited, and then the camshaft is mounted on accessories, so that the camshaft fixing device is simple in operation and convenient to use.

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 (8)

1. The utility model provides a camshaft is with fastening chuck, includes operation panel (1), operation panel (1) upper end one side is vertical to be equipped with support column, its characterized in that: support column upper end one side is equipped with the push down subassembly, the push down subassembly lower extreme is equipped with fastening assembly through first adjusting part activity, operation panel (1) upper end center an organic whole is equipped with mounting box (2), the upper end is equipped with sliding seat (3) through the vertical grafting of resilience subassembly in mounting box (2), the upper end is equipped with the centre gripping subassembly through second adjusting part swing joint in sliding seat (3), the lower extreme is equipped with fixed plate (4) through the mounting bracket level in mounting box (2), and fixed plate (4) upper end is run through mounting box (2) lower extreme and is pegged graft and arrange the centre gripping subassembly in.

2. A camshaft fastening clip as set forth in claim 1, wherein: the lower pressing assembly comprises a lower pressing cylinder (5), a positioning plate is horizontally arranged on one side of the supporting column, the first adjusting assembly comprises an adjusting box (6), four guide rods are symmetrically arranged on the upper end of the adjusting box (6) in a vertical mode and penetrate through the inserting positioning plate respectively, and the lower end of the lower pressing cylinder (5) penetrates through the positioning plate and is connected with the upper end of the adjusting box (6).

3. A camshaft fastening clip as set forth in claim 2, wherein: the adjusting box is characterized in that two first sliding rods (7) are arranged in the adjusting box (6) in a horizontal symmetrical mode, the fastening assembly comprises two fastening blocks (8), and the two fastening blocks (8) are respectively sleeved with the two first sliding rods (7) through first fastening bolts.

4. A camshaft fastening clip as set forth in claim 1, wherein: the second adjusting component comprises two second sliding rods (701), the upper ends of the two second sliding rods (701) are horizontally and symmetrically arranged at the inner upper end of the movable seat (3), the clamping component comprises two mounting bars (9), and the two mounting bars (9) are all sleeved with the two second sliding rods (701) through second fastening bolts.

5. A camshaft fastening clip as set forth in claim 4, wherein: the adaptation groove has been seted up to mounting bar (9) lower extreme, and the equal horizontally connect in adaptation inslot is equipped with round bar (10), and equal symmetry cup joints on round bar (10) and is equipped with chuck (11), and round bar (10) both sides all cup joint and are equipped with first spring (12), and two first spring (12) one side contact with chuck (11) one side respectively, and mounting bar (9) upper end center runs through adaptation groove one side and has seted up the spout, and two chuck (11) upper ends run through the spout respectively and peg graft and arrange mounting bar (9) upper end in.

6. A camshaft fastener cartridge as set forth in claim 5, wherein: a plurality of fixed racks (13) are symmetrically arranged at the upper end of the fixed plate (4) in an integrated mode, a plurality of connecting teeth (14) are arranged at the lower end of one side, in the adapting groove, of the chuck (11) through the connecting strips, and the vertical sectional areas of the connecting teeth (14) and the fixed racks (13) are the same in size.

7. A camshaft fastening clip as set forth in claim 1, wherein: the resilience assembly comprises four resilience rods (15), four resilience rods (15) are vertically and symmetrically arranged to be provided with movable seats (3) and lower ends, four resilience grooves are symmetrically formed in the lower ends of the mounting box (2), the four resilience rods (15) are respectively inserted into the four resilience grooves through limiting blocks, and the resilience rods (15) are inserted into the resilience grooves, and are sleeved with second springs (16) on one sides of the resilience grooves.

8. A camshaft fastening clip as claimed in claim 2 or 5, characterized in that: chuck (11) run through grafting spout upper end and set up for the trapezium structure, and fastening block (8) lower extreme, mounting bar (9) upper end spout both sides and chuck (11) one side all are equipped with the rubber pad.

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