CN208577140U - A kind of buffer stop mechanism - Google Patents

Abstract

The utility model provides a kind of buffer stop mechanism, including mounting base, is horizontally disposed with；Driver, the first telescopic shaft are fixed on the bottom of the mounting base, for driving the mounting base to move up and down；Baffle has at least three ends；Wherein, three ends are located on same circumference, and three ends are respectively first end, second end and third end；The baffle is installed in rotation in the mounting base by the first end, and second end and third end are located at the two sides of the first end；First buffer is arranged in the mounting base, and the underface of the first side wall between the first end and the third end, for applying upward reset force to the first side wall；Its locking piece that stretching motion is done with level of locking mechanism；When the first side wall is pressed on first buffer, the locking piece, which has, is limited in the first state on first buffer for the baffle, and releases the second state to the restriction effect of the baffle.

Description

A kind of buffer stop mechanism

Technical field

The utility model belongs to mechanical equipment technical field, and in particular to a kind of buffer stop mechanism.

Background technique

On various automatic assembly lines, in order to make the pallet being in active state on production line and workpiece take time out into Row operation needs to block pallet or workpiece using stopper.The retention device used on production line at present mainly includes one The triangular baffle being installed in rotation on substrate is held, the cylinder on base plate bottom is set, and the top of substrate is arranged in Oil buffer on portion surface；Three ends of triangular baffle are respectively first end, second end and third section.First end hinge It connects on substrate, second end and third end are located at the two sides of first end.

When workpiece moves horizontally simultaneously close to the third end of baffle, baffle is under the thrust of workpiece, the third of baffle End is rotated towards second end, and until the bottom of baffle is pressed on oil buffer, oil buffer is compressed, and baffle stops turning It is dynamic, on the side wall that workpiece is blocked in the third end of baffle at this time and first end is formed, realize the limit to workpiece.When not needing When to workpiece, under the drive of cylinder, drive substrate and baffle are integrally moved downward, and release contact of the baffle with workpiece, Under the reset force of oil buffer, flapper resets to initial state.

But above-mentioned retention device, when baffle is pressed on oil buffer, since oil buffer is compressed, The rebound thrust to baffle can be generated, baffle can be caused to rotate towards workpiece, the impact occurred between workpiece and baffle repeatedly is made With damage being generated to baffle and workpiece, so that retention device is not in place to the blocking of workpiece.

Utility model content

The technical problem to be solved of the utility model is that the baffle of retention device in the prior art is easily damaged, right It is blocked the inaccurate defect of the barrier effect of part.

For this purpose, the utility model provides a kind of buffer stop mechanism, including

Mounting base is horizontally disposed with；

Driver, the first telescopic shaft are fixed on the bottom of the mounting base, for driving the mounting base to go up and down Movement；

Baffle has at least three ends；Wherein, three ends are located on same circumference, and three ends are respectively One end, second end and third end；The baffle is installed in rotation in the mounting base by the first end, second end and Third end is located at the two sides of the first end；

First buffer is arranged in the mounting base, and first between the first end and the third end The underface of side wall, for applying upward reset force to the first side wall；

There is locking mechanism level to do the locking piece of stretching motion；First buffering is pressed in the first side wall When on device, the locking piece, which has, is limited in the first state on first buffer for the baffle, and releases to described Second state of the restriction effect of baffle.

It preferably, further include the first support being fixedly installed relative to the mounting base, first support has inclination Face；

The locking mechanism further includes

Conversion member on the locking piece bottom is set, and the conversion member is abutted with the inclined surface；

At least one second buffer being fixed in the mounting base, the locking piece level are slidably mounted in institute It states on the second buffer, second buffer gives first biasing force of the locking piece towards the inclined surface direction；

The top of the locking piece acts on the baffle as limiting section.

Preferably, the conversion member is at least one idler wheel being installed in rotation on the locking piece.

Preferably, the locking piece is in U-shape plate, two parallel arms horizontal extensions of the U-board block, the U-board First opening of block is towards the baffle；

Second buffer is threaded through on side wall opposite with first opening on the U-board block.

Preferably, with the first vertical portion of downward bending in the one side wall of the mounting base；

Second buffer is fixed on the first vertical portion of the mounting base, and the inclined surface is located at the mounting base Lower section；

First vertical portion is protruded into the first opening of the U-board block.

Preferably, there is step on the top of first support, the vertical walls of the step are the inclined surface,

The locking mechanism is located at the top of the horizontal platform terrace of the step.

Preferably, second buffer includes

Fixing axle, one end are fixed in the mounting base, and the other end passes through the locking piece and extends horizontally outward；

Elastic component is set in the fixing axle and between the locking piece and the other end of the fixing axle, institute State first biasing force of the elastic component to locking piece application towards the inclined surface direction.

Preferably, horizontal-extending extension is formed on the end face at the third end of the baffle；

The top of the locking piece can be pressed on the extension, or be detached from the extension.

Preferably, at least one auxiliary wheel is provided in the second end of the baffle.

Preferably, first buffer is threaded through in the mounting base；

First buffer includes the hollow cylinder being vertically fixed in the mounting base, the top of the hollow cylinder With the second opening；

The second telescopic shaft being threaded through in second opening；

The spring being inlaid between the bottom of the hollow cylinder and second telescopic shaft, the spring give described second Telescopic shaft applies towards the second upper biasing force.

The technical solution of the utility model has the advantages that

1. buffer stop mechanism provided by the utility model, including mounting base are horizontally disposed with；Driver, first is flexible Axis is fixed on the bottom of the mounting base, for driving the mounting base to move up and down；Baffle has at least three ends Portion；Wherein, three ends are located on same circumference, and three ends are respectively first end, second end and third end；The baffle It is installed in rotation in the mounting base by the first end, second end and third end are located at the two sides of the first end； First buffer is arranged in the mounting base, and the first side wall between the first end and the third end is just Lower section, for applying upward reset force to the first side wall；There is locking mechanism level to do the locking of stretching motion Part；When the first side wall is pressed on first buffer, the locking piece, which has, is limited in described for the baffle First state on one buffer, and release the second state to the restriction effect of the baffle.By the way that the first buffer is arranged And locking mechanism, it solves the problems, such as that the baffle of retention device in the prior art is easily damaged, realizes to being blocked the accurate of part Stop.

2. buffer stop mechanism provided by the utility model, by between the second buffering of setting, conversion member and inclined surface match It closes, so that locking piece can not only be moved down in the vertical direction, while locking piece can be transported left and right in the horizontal direction It is dynamic.Buffer stop mechanism is enabled to realize the locking and unlocking to baffle under the action of a driver.

3. the utility model provides buffer stop mechanism, it is provided at least one auxiliary wheel in the second end of baffle, When buffer stop mechanism is in the second state, can auxiliary work-piece passed through.

Detailed description of the invention

It, below will be to specific embodiment in order to illustrate more clearly of the technical solution of specific embodiment of the present invention Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is the utility model Some embodiments for those of ordinary skill in the art without creative efforts, can also basis These attached drawings obtain other attached drawings.

Fig. 1 is the structural schematic diagram of buffer stop mechanism provided in the utility model embodiment 1；

Fig. 2 is the structural schematic diagram of buffer stop mechanism provided in the utility model embodiment 1；

Fig. 3 is the structural schematic diagram of the second buffer provided in the utility model embodiment 1；

Fig. 4 is the structural schematic diagram of the first buffer provided in the utility model embodiment 1；

Appended drawing reference:

1- mounting base；The first buffer of 11-；111- hollow cylinder；The second telescopic shaft of 112-；The first vertical portion 12-；

2- driver；The first telescopic shaft of 21-

3- baffle；31- first end；32- second end；321- auxiliary wheel；33- third end；331- extension；34- first Side wall；

5- locking mechanism；51- locking piece；52- conversion member；The second buffer of 53-；531- fixing axle；532- elastic component； 54- first is open；

The first support of 6-；The inclined surface 61-

Specific embodiment

The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical Novel protected range.

It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition The concrete meaning of language in the present invention.

In addition, as long as technical characteristic involved in the utility model different embodiments disclosed below is each other Not constituting conflict can be combined with each other.

Embodiment 1

Buffer stop mechanism provided in this embodiment, as shown in Figure 1, Figure 2 and Figure 4, including horizontally disposed mounting base 1, Driver 2 and baffle 3.First telescopic shaft 21 of driver 2 is fixed on the bottom of mounting base 1, such as driver 2 is three axis gas Cylinder is moved up and down for drive installation seat 1.Baffle 3 is triangular in shape, and there are three ends for tool, wherein three ends are positioned at same On circumference, and three ends are respectively first end 31, second end 32 and third end 33；Baffle 3 is rotatable by first end 31 It is mounted in mounting base 1, specifically, being provided with bracket 12 on the right side of mounting base 1, baffle 3 has bracket 12 to revolve by pin rod Turn support；Second end 32 and third end 33 are located at the two sides of first end 31.An auxiliary rolling is provided in the second end 32 of baffle 3 Wheel 321.Buffer stop mechanism further includes the first buffer 11, is threaded through in mounting base 1, and is located at first end 31 and third end 33 Between the first side wall 34 underface；First buffer 11 includes the hollow cylinder 111 being vertically fixed in mounting base 1, empty The top of heart cylinder 111 has the second opening；Second telescopic shaft 112 is threaded through in the second opening；In the bottom of hollow cylinder 111 Spring is embedded between the second telescopic shaft 112, spring applies to the second telescopic shaft 112 towards the second upper biasing force.To gear The third end 33 of plate 3 applies downward power or applies power to the left to second end 32, and the second telescopic shaft 112 is supported by the first side wall 34 It is compressed into hollow cylinder 111, the spring in the first buffer 11 is in compact state；Remove the power applied, the second telescopic shaft 112 under the action of the spring, applies upward reset force to the first side wall 34, so that third section 33 is lifted up.

As depicted in figs. 1 and 2, buffer stop mechanism further includes the first support 6 being fixedly installed relative to mounting base 1, the The front of one support 1 is fixed in the front surface of driver 2, and the top of the first support 6 has step, and the vertical walls of step are Inclined surface 61；Inclined surface 61 is located at the lower section of mounting base 1.Buffer stop mechanism further includes locking mechanism 5, and locking mechanism 5 is located at The top of the horizontal platform terrace of the step of first support 6, be in U-shape plate, two parallel arms horizontal extensions of U-board block, U-board First opening 54 of block is towards baffle 3；Locking mechanism 5 includes the locking piece 51 that stretching motion is done with level, in locking piece 51 Conversion member 52 is provided on bottom, conversion member 52 is the idler wheel being installed in rotation on locking piece 51, conversion member 52 and inclination Face 61 abuts；Locking mechanism 5 further includes two the second buffers 53 being fixed in mounting base 1, and locking piece 51 is horizontal slidably Ground is mounted on the second buffer 53, such as the second buffer is hydraulic bjuffer.Second buffer 53 includes 531 He of fixing axle Elastic component 532；531 one end of fixing axle is fixed in mounting base 1, and the other end passes through locking piece 51 and extends horizontally outward；Elasticity Part 532 is set in fixing axle 531 and between locking piece 51 and the other end of fixing axle 531, and elastic component 532 gives locking piece 51 apply the first biasing force towards 61 direction of inclined surface.

As shown in Figure 1, Figure 2 and Figure 3, with the first vertical portion 12 of bending downward vertically on the left side side wall of mounting base 1； First vertical portion 12 is protruded into the first opening 54 of above-mentioned U-board block, and the second buffer 53 is threaded through on U-board block and opens with first On 54 opposite side walls of mouth and it is fixed on the first vertical portion 12 of mounting base 1.It is formed on the end face at the third end 33 of baffle 3 Horizontal-extending extension 331；The top of locking piece 51 acts on baffle 3 as limiting section, can be pressed on extension 331, or It is detached from extension 331.

There are two types of state when buffer stop mechanism provided by the utility model works, first state is the first of three axis cylinders Telescopic shaft decline, drive installation seat move downward, and locking piece is driven to move downward, and conversion member moves on inclined surface, push lock Determine part to move downward in the horizontal direction, the elastic component of the second buffer is in compact state, to locking piece have one to the right One biasing force is pressed on extension at the top of locking piece at this time, and baffle is limited on the first buffer.Second state is three axis First telescopic shaft of cylinder rises, and drive installation seat moves upwards, and the top of locking piece is detached from extension, releases to baffle 3 Restriction effect；Locking piece moves upwards, and under the action of the second buffer, locking piece moves right in the horizontal direction simultaneously, Baffle is bounced under the action of the first buffer, and third end is rotated towards second end.

The buffer stop mechanism for using the utility model in the production line, the buffer stop when workpiece moves horizontally and is close When mechanism, buffer stop mechanism is in the second state, when workpiece is resisted against second end, thrust of the baffle in workpiece at this time Under, second end is rotated towards third end, and until the first side wall is pressed on the first buffer, the first buffer is compressed, and baffle stops Rotation stop is dynamic, and workpiece is blocked on the side wall that second end and first end are formed at this time, realizes the limit to workpiece.Work as work piece operations It finishing, buffer stop mechanism changes from the second state to first state at this time, and workpiece can pass through at the top of the second end of baffle, Baffle is limited on the first buffer due to locking piece at this time, workpiece can use the auxiliary wheel in second end and pass through, and keep away Exempt from smallclothes workpiece to fall from the gap of baffle.

Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or It changes among the protection scope created still in the utility model.

Claims (10)

1. a kind of buffer stop mechanism, which is characterized in that including

Mounting base (1) is horizontally disposed with；

Driver (2), the first telescopic shaft (21) is fixed on the bottom of the mounting base (1), for driving the mounting base (1) it moves up and down；

Baffle (3) has at least three ends；Wherein, three ends are located on same circumference, and three ends are respectively first It holds (31), second end (32) and third end (33)；The baffle (3) is installed in rotation on described by the first end (31) In mounting base (1), second end (32) and third end (33) are located at the two sides of the first end (31)；

First buffer (11) is arranged on the mounting base (1), and is located at the first end (31) and the third end (33) Between the first side wall (34) underface, for applying upward reset force to the first side wall (34)；

There is locking mechanism (5) level to do the locking piece (51) of stretching motion；Described is pressed in the first side wall (34) When on one buffer (11), the locking piece (51), which has, is limited in the baffle (3) on first buffer (11) First state, and release the second state to the restriction effect of the baffle (3).

2. buffer stop mechanism according to claim 1, which is characterized in that further include solid relative to the mounting base (1) Surely the first support (6) being arranged, first support (6) have inclined surface (61)；

The locking mechanism (5) further includes

Conversion member (52) on the locking piece (51) bottom is set, and the conversion member (52) is supported with the inclined surface (61) It connects；

At least one second buffer (53) being fixed on the mounting base (1), the locking piece (51) are horizontal slideably It is mounted on second buffer (53), second buffer (53) gives the locking piece (51) towards the inclined surface (61) first biasing force in direction；

The top of the locking piece (51) acts on the baffle (3) as limiting section.

3. buffer stop mechanism according to claim 2, which is characterized in that the conversion member (52) is to be rotatably mounted At least one idler wheel on the locking piece (51).

4. buffer stop mechanism according to claim 2 or 3, which is characterized in that the locking piece (51) is in U-shape plate, Two parallel arms horizontal extensions of the U-board block, the first opening (54) of the U-board block is towards the baffle (3)；

Second buffer (53) is threaded through on side wall opposite with first opening (54) on the U-board block.

5. buffer stop mechanism according to claim 4, which is characterized in that have in the one side wall of the mounting base (1) The first vertical portion (12) of downward bending；

Second buffer (53) is fixed on the first vertical portion (12) of the mounting base (1), inclined surface (61) position In the lower section of the mounting base (1)；

First vertical portion (12) is protruded into the first opening (54) of the U-board block.

6. buffer stop mechanism according to claim 4, which is characterized in that have on the top of first support (6) Step, the vertical walls of the step are the inclined surface (61),

The locking mechanism (5) is located at the top of the horizontal platform terrace of the step.

7. buffer stop mechanism according to claim 2 or 3, which is characterized in that second buffer (53) includes

Fixing axle (531), one end are fixed on the mounting base (1), and the other end passes through the locking piece (51) and horizontally outward Extend；

Elastic component (532) is set on the fixing axle (531) and is located at the locking piece (51) and the fixing axle (531) The other end between, the elastic component (532) applies to the locking piece (51) towards the first of the inclined surface (61) direction Biasing force.

8. buffer stop mechanism according to claim 2 or 3, which is characterized in that the third end (33) of the baffle (3) Horizontal-extending extension (331) are formed on end face；

The top of the locking piece (51) can be pressed on the extension (331), or be detached from the extension (331).

9. buffer stop mechanism according to claim 8, which is characterized in that set in the second end (32) of the baffle (3) It is equipped at least one auxiliary wheel (321).

10. buffer stop mechanism according to any one of claim 1-3, which is characterized in that first buffer (11) it is threaded through on the mounting base (1)；

First buffer (11) includes

The top of the hollow cylinder (111) being vertically fixed on the mounting base (1), the hollow cylinder (111) has second Opening；

The second telescopic shaft (112) being threaded through in second opening；

The spring being inlaid between the bottom of the hollow cylinder (111) and second telescopic shaft (112), the spring is to institute The second telescopic shaft (112) are stated to apply towards the second upper biasing force.