CN213497568U

CN213497568U - Press mounting mechanism

Info

Publication number: CN213497568U
Application number: CN202022214838.4U
Authority: CN
Inventors: 王小娟; 赵甸忠; 颜灿宝
Original assignee: SAIC GM Wuling Automobile Co Ltd
Current assignee: SAIC GM Wuling Automobile Co Ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-06-22
Anticipated expiration: 2030-09-30

Abstract

The utility model discloses a press-fitting mechanism, which is used for installing a valve lock clamp and comprises a top plate, a bottom plate, a cylinder, a slide block, a slide rail, a pressure head, a connecting assembly and a plurality of stand columns, wherein the top plate and the bottom plate are arranged in parallel, the top ends of the stand columns are fixedly connected with the top plate, and the bottom ends of the stand columns are fixedly connected with the bottom plate; the cylinder barrel and the sliding rail of the cylinder are fixed on the side face, facing the bottom plate, of the top plate, and the telescopic rod of the cylinder is connected with the connecting assembly; the sliding block is arranged on the sliding rail in a sliding mode, the connecting assembly is connected with the sliding block, and the connecting assembly drives the sliding block to move along the sliding rail; the pressure head comprises a clamping jaw and a press-mounting head, the top end of the press-mounting head is detachably connected with the bottom plate, and the bottom end of the press-mounting head extends downwards away from the bottom plate; the top of the clamping jaw is connected with the connecting component; the bottom plate is provided with a strip-shaped through hole, and the clamping jaw penetrates through the strip-shaped through hole and extends to the inner cavity of the press-mounting head. The utility model discloses can avoid the problem of maintenance debugging overlength among the prior art, guarantee that the pressure head can dismantle the installation alone, shorten maintenance duration and improve production efficiency.

Description

Press mounting mechanism

Technical Field

The utility model relates to an engine assembly technical field, concretely relates to press fitting mechanism.

Background

The valve collet is used for locking the valve, the oil seal, the spring and the spring seat, so that the valve can reciprocate. Generally, most of large-scale automobile manufacturers (such as the Shanghai public, general automobiles, Yidao, Dongfeng Honda and the like) adopt a full-automatic press-fitting mechanism to press-fit a multi-groove locking clamp in the production process, the equipment cost is high, and a single set of equipment exceeds 500 ten thousand. In order to save cost, some automobile factories (such as Korea universities) adopt a semi-automatic press-fitting mechanism, but the mechanism is usually complex in structure, wherein the press-fitting heads are complex in design and are independently installed on an equipment bottom plate, the installation space between adjacent press-fitting heads is too small, and the connecting air pipes are complex; if the pressure equipment head of intermediate position breaks down, need follow the side and dismantle a plurality of pressure equipment heads in proper order and just can maintain (need demolish adjacent pressure equipment head and vacate installation space), and need debug again to a plurality of pressure equipment heads that are demolishd after reinstallating again, maintenance debugging time overlength usually needs more than 3 days, seriously influences production efficiency.

Therefore, the requirements of the automobile manufacturing industry at the present stage cannot be met by the full-automatic press-fitting mechanism or the semi-automatic press-fitting mechanism. The main technical problems that exist at present: the semi-automatic press-fitting mechanism has a complex structure, and if the press-fitting head fails, the installation and maintenance time is too long, so that the production efficiency is seriously influenced.

In summary, the above technical problems of the existing press-fitting mechanism need to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a pressure equipment mechanism aims at shortening pressure equipment mechanism's maintenance time, improves production efficiency.

In order to achieve the above object, the utility model provides a press-fitting mechanism adopts following technical scheme:

a press-fitting mechanism is used for installing a valve lock clamp and comprises a top plate, a bottom plate, a cylinder, a sliding block, a sliding rail, a pressure head, a connecting assembly and a plurality of stand columns, wherein the top plate and the bottom plate are arranged in parallel, the top ends of the stand columns are fixedly connected with the top plate, and the bottom ends of the stand columns are fixedly connected with the bottom plate;

the cylinder barrel and the sliding rail of the cylinder are fixed on the side face, facing the bottom plate, of the top plate, and the telescopic rod of the cylinder is connected with the connecting assembly; the sliding block is arranged on the sliding rail in a sliding mode, the connecting assembly is connected with the sliding block, and the connecting assembly drives the sliding block to move along the sliding rail;

the pressure head comprises a clamping jaw and a press-mounting head, the top end of the press-mounting head is detachably connected with the bottom plate, and the bottom end of the press-mounting head extends downwards away from the bottom plate; the top of the clamping jaw is connected with the connecting assembly; the clamping jaw penetrates through the strip-shaped through hole and extends to the inner cavity of the press-mounting head.

Preferably, coupling assembling includes first connecting block, second connecting block and third connecting block, first connecting block is connected with the telescopic link of cylinder, the length direction of first connecting block is perpendicular with the telescopic link, the second connecting block sets up between slider and the first connecting block, the third connecting block still with the second connecting block is connected, the side that the slider was kept away from to the third connecting block is connected with the clamping jaw.

Preferably, the press-fitting head is an integral structure mainly composed of a fixed seat, a first pressure lever and a second pressure lever, the first pressure lever and the second pressure lever are oppositely arranged on the inner wall of the fixed seat and extend in the direction far away from the bottom plate, and the fixed seat is detachably connected with the bottom plate.

Preferably, the clamping jaw comprises a first clamping rod, a second clamping rod, an installation frame and an air pipe connector, and the first clamping rod and the second clamping rod are hinged with the installation frame respectively and extend to inner cavities wrapped by the first compression bar and the second compression bar; the air pipe joint is arranged at the top ends of the first clamping rod and the second clamping rod; the clamping device is characterized in that a first air passage is arranged in the first clamping rod, a first adsorption port is formed in the bottom end of the first clamping rod, a second air passage is formed in the second clamping rod, a second adsorption port is formed in the bottom end of the second clamping rod, and the first adsorption port and the second adsorption port are arranged oppositely.

Preferably, compression springs are respectively arranged between the fixed seat and the first clamping rod and between the fixed seat and the second clamping rod, and the compression springs drive the first clamping rod and the second clamping rod to move relatively.

Preferably, the press-fitting mechanism further comprises a scale block, a pointer and an adjusting bolt, the scale block is fixedly connected with the top plate, and the scale direction on the scale block is parallel to the telescopic rod; the pointer is fixedly arranged on the side surface of the first connecting block and points to the scale; adjusting bolt axis with the scale direction is parallel, adjusting bolt's screw rod passes through screw on the scale piece and contradict with first connecting block, adjusting bolt is used for adjusting the removal scope of first connecting block.

Preferably, the shape of the strip-shaped through hole is as follows: the two ends are square and the middle is round.

Preferably, two ends of the cylinder barrel of the cylinder are fixedly connected with the top plate through a first support and a second support respectively.

Preferably, the press-fitting mechanism further comprises a vacuum generator or a vacuum pump, and the vacuum generator or the vacuum pump is connected with the air pipe joint through a pipeline.

Preferably, the press-fitting mechanism further comprises a sensor for detecting the opening and closing positions of the clamping jaws, and the sensor is mounted on the bottom plate through a third support.

In the technical scheme of the utility model, the design of the independent pressure head comprises a clamping jaw and a press-mounting head, the top end of the press-mounting head is detachably connected with the bottom plate, the clamping jaw passes through a strip-shaped through hole on the bottom plate and is hinged on a third connecting block through a pin shaft, the clamping jaw and the press-mounting head are mutually independent and can realize independent disassembly and assembly, the maintenance time is reduced, and the production is quickly recovered; a clamping jaw dismounting space is reserved on the bottom plate, a copying clamping jaw design is adopted, a larger space is provided for dismounting the clamping jaw, and mounting and coarse positioning are guaranteed while dismounting is achieved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural view of a press-fitting mechanism for mounting a valve collet according to an embodiment of the present invention at an angle;

fig. 2 is a schematic structural view of the press-fitting mechanism for mounting the valve collet according to another angle of the embodiment of the present invention;

FIG. 3 is a schematic view of an angled indenter according to an embodiment of the present invention;

fig. 4 is a schematic cross-sectional view of a ram according to an embodiment of the present invention.

The reference numbers illustrate:

the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

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 efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

The utility model provides a press fitting mechanism.

Referring to fig. 1 to 4, in an embodiment of the present invention, the press-fitting mechanism includes a top plate 1, a bottom plate 16, a cylinder 2, a slider 5, a slide rail 4, a clamping jaw 15, a press-fitting head 14, a first connecting block 9, a second connecting block 6, a third connecting block 12, a first bracket 3, a second bracket 7, a bar-shaped through hole 33, a limiting block 17, and a plurality of columns 11. The top of pressure equipment head 14 is connected with bottom plate 16 is detachable, and clamping jaw 15 links to each other with third connecting block 12 and passes bar through-hole 33 and extend to pressure equipment head 14 inner chamber, and clamping jaw 15 and pressure equipment head 14 mutual independence are installed, can realize dismantling alone and save maintenance time, adopt the pressure equipment head 1 of the pressure equipment head 14 body structure of high accuracy, further save the time of dismantling.

Further, the fixed seat 24 is installed on the lower side surface of the bottom plate 16 and corresponds to the strip-shaped through hole 33 on the bottom plate 16; the first pressure lever 25 and the second pressure lever 26 are oppositely arranged on the inner wall of the fixed seat 24. The side of the third connecting piece 12 remote from the slide 5 is connected to a mounting frame 20. The first clamping rod 27 and the second clamping rod 28 are respectively hinged with the mounting frame 20 through the hinge shaft 22; the first clamping rod 27 and the second clamping rod 28 are oppositely arranged and penetrate through the strip-shaped through hole 33 to extend to the inner cavities of the first pressing rod 25 and the second pressing rod 26, and the cross sections of the first pressing rod 25 and the second pressing rod 26 are arc-shaped, so that the first clamping rod 27 and the second clamping rod 28 are wrapped and simultaneously limited. The horizontal cross section of the bar-shaped through hole 33 is square with two ends being round in the middle, the middle is round to leave a space for detaching the first clamping rod 27 and the second clamping rod 28, and the two ends are square to provide a space for moving the clamping jaw 15. The first clamping rod 27 and the second clamping rod 28 are respectively provided with a first air path 34 and a second air path 35 inside, the bottom ends are respectively provided with a first adsorption port 36 and a second adsorption port 37, and the first adsorption port 36 and the second adsorption port 37 are oppositely arranged for adsorbing the locking clamp 30.

The air pipe joint 21 is arranged at the top ends of the first clamping rod 27 and the second clamping rod 28, one end of the air pipe joint 21 is connected with the first air circuit and the second air circuit 35, the other end of the air pipe joint is connected with the vacuum generator or the vacuum pump through a pipeline, the air pipe joint 21 enables vacuum negative pressure to be formed in the first air circuit and the second air circuit 35 through the vacuum generator or the vacuum pump, and the first adsorption port 36 and the second adsorption port 37 are enabled to adsorb the locking clamp 30. Compression springs 23 are respectively arranged between the fixed seat 24 and the first clamping rod 27 and the second clamping rod 28, and the compression springs 23 drive the first clamping rod 27 and the second clamping rod 28 to move relatively. The limiting block 17 is arranged on the bottom plate 16 and abutted against the side edge of the fixed seat 24, and is used for limiting the compression spring 23 and providing a continuous pushing force for the clamping jaw 15. When the clamping jaw is disassembled, the limiting block 17 is disassembled firstly, and the compression spring 23 is taken down, so that the press-mounting head 14 and the clamping jaw 15 are convenient to disassemble.

Further, the top plate 1 and the bottom plate 16 are fixedly connected through a plurality of upright posts 11, and the sliding block 5 is slidably arranged on the sliding rail 4. The cylinder barrel of the cylinder 2 is fixedly connected with the top plate 1 through a first support 3 and a second support 7; the telescopic rod 8 of the cylinder 2 is vertically connected with the first connecting block 9, and the connecting part is provided with an adjusting bolt 13 for adjusting the position of the first connecting block 9 on the telescopic rod 8. 6 top link block 5 of second connecting block, 6 top extensions of second connecting block are connected with first connecting block 9 towards the side of bottom plate 16, and second connecting block 6 is connected with third connecting block 12 to the side of first connecting block 9 dorsad, and the setting of a plurality of connecting blocks is mainly for processing simply, because receive the spatial position restriction between roof 1 and the bottom plate 16, if the connecting block is one the shape can be more complicated, and the processing is difficult, and the processing cost is high.

Referring to fig. 1, the press-fitting mechanism further comprises a scale block 10, a pointer and an adjusting bolt 13, wherein the scale block 10 is fixedly connected to the top plate 1, scale marks are arranged on the side surface of the scale block 10, and the scale marks are parallel to the telescopic rod 8 and used for visually displaying the stroke of the cylinder 2; the pointer is fixedly arranged on the side surface of the first connecting block 9 and points to the scale mark; the axis of the adjusting bolt 13 is parallel to the scale direction, and the screw of the adjusting bolt 13 passes through the screw hole on the scale block 10 and is abutted against the first connecting block 9. The distance between the first connecting block 9 and the scale block 10 and the position of the first connecting block 9 on the telescopic rod 8 are adjusted through the adjusting bolt 13 to adjust the stroke of the air cylinder 2.

Further, the press-fitting mechanism further comprises a sensor 19, a sensor short bracket 18 and a sensor long bracket 32, wherein the sensor 19 is installed on the bottom plate 16 through the sensor short bracket 18 and the sensor long bracket 32 and is used for detecting the opening and closing positions of the clamping jaws 15.

During operation, the adjusting bolt 13 is adjusted according to the actual stroke requirement of the cylinder 2, the position of the first connecting block 9 is changed, the locking clamp 30 is manually fed onto the first adsorption port 36 and the second adsorption port 37, the spring seat 29 is fed onto the bottoms of the first pressure rod 25 and the second pressure rod 26, the locking clamp is adsorbed onto the press-fitting head 14 through the magnet, the air pipe joint 21 enables the first air passage and the second air passage 35 to form vacuum negative pressure through the vacuum generator or the vacuum pump, and the adsorption of the first adsorption port 36 and the second adsorption port 37 on the locking clamp 30 is completed. Open cylinder 2, cylinder 2 drives the 8 motion of the telescopic link of actuating cylinder 2, and telescopic link 8 drives first connecting block 9 and removes, and first connecting block 9 drives second connecting block 6 and removes, and second connecting block 6 drives slider 5 and third connecting block 12 and removes, and third connecting block 12 drives the relative motion of first supporting rod 27, second supporting rod 28. When the first clamping rod 27 and the second clamping rod 28 move oppositely, the loading and the adsorption of the locking clamp 30 are completed on the first adsorption port 36 and the second adsorption port 37, and when the first clamping rod 27 and the second clamping rod 28 move oppositely, the first clamping rod 27 and the second clamping rod 28 are driven to approach each other by the compression spring 23, and the locking clamp 30 is clamped.

After the cylinder cover enters the equipment and is detected in place, the cylinder cover is jacked up and is jacked up to be separated from the roller way. The press-fitting mechanism drives the locking clamp 30 and the spring seat 29 to press downwards, after the air valve 31 is pressed, the position is controlled by the servo motor, and after the position is in place, the vacuum of the locking clamp 30 is changed into positive pressure, so that the locking clamp 30 is locked at the groove of the air valve 31. The mechanism slowly rises, the spring seat 29 clamps the locking clamp 30 to prevent the locking clamp 30 from falling, and the spring seat 29 and the locking clamp 30 are successfully installed.

The press-fitting mechanism is symmetrically designed according to the structure of the cylinder cover valve 31 and comprises eight press heads, sixteen valves 31 are press-fitted, eight press heads are loaded and installed, eight intake valves are press-fitted together, and eight exhaust valves are press-fitted together.

The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.

Claims

1. A press-fitting mechanism is used for installing a valve lock clamp and is characterized by comprising a top plate, a bottom plate, a cylinder, a sliding block, a sliding rail, a pressure head, a connecting assembly and a plurality of stand columns, wherein the top plate and the bottom plate are arranged in parallel, the top ends of the stand columns are fixedly connected with the top plate, and the bottom ends of the stand columns are fixedly connected with the bottom plate;

2. The press-fitting mechanism according to claim 1, wherein the connecting assembly comprises a first connecting block, a second connecting block and a third connecting block, the first connecting block is connected with the telescopic rod of the cylinder, the length direction of the first connecting block is perpendicular to the telescopic rod, the second connecting block is arranged between the sliding block and the first connecting block, the third connecting block is further connected with the second connecting block, and the side face, far away from the sliding block, of the third connecting block is connected with the clamping jaw.

3. The press-fitting mechanism according to claim 2, wherein the press-fitting head is an integrated structure mainly composed of a fixed seat, a first pressing rod and a second pressing rod, the first pressing rod and the second pressing rod are oppositely arranged on the inner wall of the fixed seat and extend in the direction far away from the bottom plate, and the fixed seat is detachably and fixedly connected with the bottom plate.

4. The press-fitting mechanism according to claim 3, wherein the clamping jaw comprises a first clamping rod, a second clamping rod, a mounting frame and an air pipe joint, and the first clamping rod and the second clamping rod are respectively hinged with the mounting frame and extend towards the inner cavity wrapped by the first pressing rod and the second pressing rod; the air pipe joint is arranged at the top ends of the first clamping rod and the second clamping rod; the clamping device is characterized in that a first air passage is arranged in the first clamping rod, a first adsorption port is formed in the bottom end of the first clamping rod, a second air passage is formed in the second clamping rod, a second adsorption port is formed in the bottom end of the second clamping rod, and the first adsorption port and the second adsorption port are arranged oppositely.

5. The press-fitting mechanism according to claim 4, wherein compression springs are respectively disposed between the fixing base and the first and second clamping rods, and the compression springs urge the first and second clamping rods to move relatively.

6. The press-fitting mechanism according to claim 5, further comprising a scale block, a pointer and an adjusting bolt, wherein the scale block is fixedly connected with the top plate, and the scale direction on the scale block is parallel to the telescopic rod; the pointer is fixedly arranged on the side surface of the first connecting block and points to the scale; adjusting bolt axis with the scale direction is parallel, adjusting bolt's screw rod passes through screw on the scale piece and contradict with first connecting block, adjusting bolt is used for adjusting the removal scope of first connecting block.

7. The press-fitting mechanism according to claim 1, wherein the strip-shaped through hole has a shape of: the two ends are square and the middle is round.

8. The press-fitting mechanism according to claim 1, wherein both ends of the cylinder tube of the cylinder are fixedly connected with the top plate through a first support and a second support respectively.

9. The press-fitting mechanism according to claim 4, further comprising a vacuum generator or a vacuum pump connected to the air pipe joint through a pipeline.

10. The press-fitting mechanism according to any one of claims 1 to 9, further comprising a sensor for detecting an open-close position of the jaw, wherein the sensor is mounted on the base plate through a third bracket.