CN217196701U - Injection mold with bearing bidirectional tensioning wheel - Google Patents

Abstract

The utility model discloses a have two-way tight pulley injection mold that rises of bearing relates to injection mold technical field, include the workstation and install the bed die on the inboard top of workstation, the top of going up the mould with the top of sliding plate is provided with fixed establishment, stop gear. The utility model discloses a set up fixed establishment and stop gear, install the top of mould with the connecting cylinder through the outer wall screw thread, carry on spacingly through stop gear to the connecting cylinder, insert the connecting cylinder in the inboard through-hole of sliding plate afterwards, when the inside of trapezoidal piece resistance extrusion spring shrink connecting cylinder, when last mould top and sliding plate bottom laminating, the trapezoidal piece that the spring promoted resets, make it remove between two risers, twist the bolt afterwards, make the bolt pass the third screw hole from the inboard fourth screw hole of a riser and install in the inboard fourth screw hole of another riser, thereby it fixes mould and sliding plate to be gone up, with this make things convenient for the engineering personnel to assemble.

Description

Injection mold with bearing bidirectional tension wheel

Technical Field

The utility model relates to an injection mold technical field specifically is a two-way tight pulley injection mold that rises with bearing.

Background

The tension wheel is a belt tensioning device for an automobile transmission system, mainly comprises a fixed shell, a tensioning arm, a wheel body, a torsion spring, a rolling bearing, a spring shaft sleeve and the like, can automatically adjust the tensioning force according to different tightness degrees of a belt, enables the transmission system to be stable, safe and reliable, is used for adjusting the tightness degree of a timing belt, is generally replaced together with the timing belt so as to avoid worries of rear concerns, other parts do not need to be replaced inevitably, only regular maintenance is needed, the tension wheel is generally divided into a one-way tension wheel and a two-way tension wheel, and an injection mold is needed in the production process of the two-way tension wheel.

Current injection mold generally divide into mould and bed die, go up the mould and generally install the output at the pneumatic cylinder, go up the mould through pneumatic cylinder drive and carry out the compound die with the bed die, but above-mentioned mould damages the back, when installing new last mould and pneumatic cylinder output, need a staff manual lift the mould, then be connected last mould and pneumatic cylinder output with the bolt through another staff, this operation process avoids loaded down with trivial details, has reduced staff installation effectiveness.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problem that the installation of an upper die is more complicated, the injection die with the bearing bidirectional tension wheel is provided.

In order to achieve the above object, the utility model provides a following technical scheme: an injection mold with a bearing bidirectional tension wheel comprises a workbench and a lower mold mounted at the top end of the inner side of the workbench, wherein a hydraulic cylinder is mounted at the top end of the workbench, the output end of the hydraulic cylinder penetrates through the inner side of the workbench, a sliding plate is fixedly connected to the output end of the hydraulic cylinder and is slidably connected to the inner side of the workbench, an upper mold is arranged below the sliding plate, and fixing mechanisms are arranged at the top end of the upper mold and the top end of the sliding plate and used for assembling the upper mold and the sliding plate; the fixing mechanism comprises a connecting cylinder, a trapezoidal block, a vertical plate, a bolt and a spring, the connecting cylinder is rotatably connected to the top end of the upper die, the trapezoidal block is slidably connected inside the connecting cylinder, one end of the trapezoidal block penetrates through the outer wall of one side of the connecting cylinder, the spring is fixedly connected inside the connecting cylinder, one end of the spring is fixedly connected with the trapezoidal block, the vertical plate is fixedly connected to the top end of the sliding plate, and the bolt is rotatably connected to the inner side of the vertical plate; the inside of connecting cylinder is provided with the stop gear who runs through one side outer wall for prevent the connecting cylinder takes place to become flexible.

Thus, when a new upper die and a new sliding plate need to be fixed, the four connecting cylinders are firstly respectively rotated, the connecting cylinders are installed at the top end of the upper die through outer wall threads, then the connecting cylinders are inserted into the through holes in the inner side of the sliding plate, when the trapezoidal block is contacted with the sliding plate and is subjected to resistance, the extrusion spring is contracted into the connecting cylinders, when the top end of the upper die is attached to the bottom end of the sliding plate, the connecting cylinders drive the trapezoidal block to pass through the through holes in the inner side of the sliding plate, meanwhile, the bottom end of the trapezoidal block moves to a position which is parallel to the top end of the sliding plate, the trapezoidal block which is not pushed by external extrusion force is reset, the spring moves between the two vertical plates, fourth threaded holes formed in the inner sides of the two vertical plates are aligned with the threaded holes in the inner side of the trapezoidal block, then, the bolt is screwed, and passes through the third threaded hole from the fourth threaded hole in the inner side of one vertical plate to be installed in the fourth threaded hole in the inner side of the other vertical plate, thereby fixing the upper die and the sliding plate, and facilitating the assembly of engineering personnel.

As a further aspect of the present invention: the limiting mechanism comprises an L-shaped block, a ball and a groove, the L-shaped block is fixedly connected to the bottom end of the trapezoidal block, one end of the L-shaped block penetrates through the outer wall of one side of the connecting cylinder, the vertical plate is arranged inside the connecting cylinder and located at the bottom end of the L-shaped block, the ball is rotatably connected to the bottom end of the L-shaped block, and the bottom end of the ball penetrates into the groove; the inner wall of the upper die is provided with a fixing hole matched with the L-shaped block, the fixing hole is communicated with the first thread groove, and the bottom end of the L-shaped block is provided with an inclined plane.

So, when needs are installed connecting cylinder and last mould, rotate the connecting cylinder, install the connecting cylinder through outer wall screw thread and the first screw hole in last mould top, when L-shaped piece bottom inclined plane and last mould top contact, receive the resistance and promote the inside that trapezoidal piece extrusion spring contracts the connecting cylinder, drive the ball and slide in the recess is inside when L-shaped piece removes, reduce the frictional force between L-shaped piece and the connecting cylinder through the ball, when the connecting cylinder removes maximum position, L-shaped piece bottom remove with the position of last mould inner wall fixed orifices parallel and level, make the spring not receive the external extrusion force again and promote L-shaped piece and ball and reset, make L-shaped piece bottom insert in the fixed orifices, fix connecting cylinder and last mould, with this carry on spacingly to the connecting cylinder, avoid the connecting cylinder to take place not hard up.

As a further aspect of the present invention: the outer wall of connecting cylinder is provided with the screw thread, go up the top of mould seted up with connecting cylinder assorted first thread groove, the connecting cylinder pass through outer wall fixed connection's screw thread with it rotates to be connected to go up the mould, the connecting cylinder is provided with four.

So, be convenient for install the connecting cylinder through outer wall screw thread and the first screw hole in last mould top, when L shape piece bottom inclined plane and last mould top contact, receive the inside that resistance promoted trapezoidal piece extrusion spring and contract to the connecting cylinder, L shape piece bottom remove with last mould inner wall fixed orifices parallel and level the position, make the spring no longer receive external extrusion force and promote L shape piece and ball and reset, make L shape piece bottom insert the fixed orifices, will connect the cylinder and fix with last mould.

As a further aspect of the present invention: four groups of vertical plates are arranged, two vertical plates are arranged in each group, and the distance between the two vertical plates is the same as the width of the trapezoidal block; the inner wall of the sliding plate is provided with through holes matched with the connecting cylinders, the inner side of the trapezoidal block is provided with third threaded holes matched with the bolts, and the inner walls of the two vertical plates are provided with fourth threaded holes matched with the bolts.

Therefore, the trapezoidal block of being convenient for resets and moves to between two risers, and the fourth screw hole that makes two riser inboard setups aligns with the inboard screw hole of trapezoidal block, twists the bolt afterwards, makes the bolt pass the third screw hole from the inboard fourth screw hole of a riser and installs in the inboard fourth screw hole of another riser, fixes trapezoidal block and two risers.

As a further aspect of the present invention: the inside of connecting cylinder seted up with trapezoidal piece assorted accomodates the groove, the outer wall fixedly connected with stopper of trapezoidal piece, the trapezoidal piece pass through outer wall fixed connection's stopper with connecting cylinder sliding connection.

So, be convenient for insert the connecting cylinder in the inboard through-hole of sliding plate, when trapezoidal piece and sliding plate contact received the resistance, the inside of extrusion spring shrink to the connecting cylinder carries on spacingly to it through trapezoidal piece outer wall fixed connection's stopper, avoids the in-process of trapezoidal piece at the removal to take place the skew.

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

through setting up fixed establishment and stop gear, install the top of mould with the connecting cylinder through the outer wall screw thread, carry on spacingly through stop gear to the connecting cylinder, insert the connecting cylinder in the inboard through-hole of sliding plate afterwards, when the inside of trapezoidal piece resistance extrusion spring shrink to the connecting cylinder, when last mould top and sliding plate bottom laminating, the trapezoidal piece that the spring promoted resets, make it remove between two risers, twist the bolt afterwards, make the bolt pass in the inboard fourth screw hole of a riser third screw hole of passing and install in the inboard fourth screw hole of another riser, thereby it fixes with the sliding plate to go up the mould, with this makes things convenient for the engineering personnel to assemble.

Drawings

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

FIG. 2 is a schematic view of the assembly of the upper mold and the sliding plate according to the present invention;

fig. 3 is a cross-sectional view of the connecting cylinder of the present invention;

fig. 4 is an enlarged view of the position a of the present invention.

In the figure: 1. a work table; 2. a lower die; 3. an upper die; 4. a sliding plate; 5. a hydraulic cylinder; 6. a fixing mechanism; 601. a connecting cylinder; 602. a trapezoidal block; 603. a vertical plate; 604. a bolt; 605. a spring; 7. a limiting mechanism; 701. an L-shaped block; 702. a ball bearing; 703. and (4) a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 all belong to the protection scope of the present invention.

Referring to fig. 1 to 4, in an embodiment of the present invention, an injection mold with a bearing bidirectional tension wheel includes a workbench 1 and a lower mold 2 installed on the top end of the inner side of the workbench 1, a hydraulic cylinder 5 is installed on the top end of the workbench 1, an output end of the hydraulic cylinder 5 penetrates the inner side of the workbench 1, a sliding plate 4 is fixedly connected to the output end of the hydraulic cylinder 5 and is slidably connected to the inner side of the workbench 1, an upper mold 3 is disposed below the sliding plate 4, and a fixing mechanism 6 is disposed on the top end of the upper mold 3 and the top end of the sliding plate 4 for assembling the upper mold 3 and the sliding plate 4; the fixing mechanism 6 comprises a connecting cylinder 601, a trapezoidal block 602, a vertical plate 603, a bolt 604 and a spring 605, the connecting cylinder 601 is rotatably connected to the top end of the upper die 3, the trapezoidal block 602 is slidably connected inside the connecting cylinder 601, one end of the trapezoidal block 602 penetrates through the outer wall of one side of the connecting cylinder 601, the spring 605 is fixedly connected inside the connecting cylinder 601, one end of the spring is fixedly connected with the trapezoidal block 602, the vertical plate 603 is fixedly connected to the top end of the sliding plate 4, and the bolt 604 is rotatably connected to the inner side of the vertical plate 603; the inside of connecting cylinder 601 is provided with the stop gear 7 who runs through one side outer wall for prevent that connecting cylinder 601 from taking place not hard up.

In this embodiment: when a new upper die 3 and a new sliding plate 4 need to be fixed, the four connecting cylinders 601 are respectively rotated, the connecting cylinders 601 are installed at the top end of the upper die 3 through outer wall threads, then the connecting cylinders 601 are inserted into through holes in the inner side of the sliding plate 4, when the trapezoidal blocks 602 are in contact with the sliding plate 4 and subjected to resistance, the compression springs 605 are contracted into the connecting cylinders 601, when the top end of the upper die 3 is attached to the bottom end of the sliding plate 4, the connecting cylinders 601 drive the trapezoidal blocks 602 to pass through the through holes in the inner side of the sliding plate 4, meanwhile, the bottom ends of the trapezoidal blocks 602 move to positions which are parallel to the top end of the sliding plate 4, the trapezoidal blocks 602 which are not pushed by external compression force are reset by the springs 605 and move between the two vertical plates 603, fourth threaded holes formed in the inner sides of the two vertical plates 603 are aligned with the threads in the trapezoidal blocks 602, then, the bolts 604 are screwed, and pass through third threaded holes from fourth threaded holes in the inner sides of one vertical plate 603 to be installed on the inner side of the other vertical plate 603 And the screw holes are formed in the upper mold 3 and the sliding plate 4, so that the upper mold and the sliding plate can be fixed, and the assembly of an engineer is facilitated.

Please refer to fig. 2-4, the limiting mechanism 7 includes an L-shaped block 701, a ball 702 and a groove 703, the L-shaped block 701 is fixedly connected to the bottom end of the trapezoidal block 602, and one end of the L-shaped block 701 penetrates through the outer wall of one side of the connecting cylinder 601, the vertical plate 603 is disposed inside the connecting cylinder 601 and is located at the bottom end of the L-shaped block 701, the ball 702 is rotatably connected to the bottom end of the L-shaped block 701, and the bottom end of the ball 702 penetrates through the groove 703.

In this embodiment: when the connecting cylinder 601 and the upper die are required to be installed, the connecting cylinder 601 is rotated, the connecting cylinder 601 is installed with a first threaded hole at the top end of the upper die 3 through outer wall threads, when the inclined plane at the bottom end of the L-shaped block 701 is contacted with the top end of the upper die 3, the trapezoidal block 602 is pushed by resistance to extrude the spring 605 to shrink into the connecting cylinder 601, the L-shaped block 701 moves and simultaneously drives the ball 702 to slide in the groove 703, the friction force between the L-shaped block 701 and the connecting cylinder 601 is reduced through the ball 702, when the connecting cylinder 601 moves to the maximum position, the bottom end of the L-shaped block 701 moves to the position which is flush with the fixed hole on the inner wall of the upper die 3, so that the spring 605 is not pushed by the external extrusion force to push the L-shaped block 701 and the ball 702 to reset, the bottom end of the L-shaped block 701 is inserted into the fixed hole, the connecting cylinder 601 and the upper die 3 are fixed, and the connecting cylinder 601 is limited, loosening of the connector barrel 601 is avoided.

Please refer to fig. 2-3, the outer wall of the connecting cylinder 601 is provided with threads, the top end of the upper die 3 is provided with a first thread groove matched with the connecting cylinder 601, the connecting cylinder 601 is rotatably connected with the upper die 3 through the threads fixedly connected with the outer wall, the number of the connecting cylinders 601 is four, the inner wall of the upper die 3 is provided with fixing holes matched with the L-shaped block 701, the fixing holes are communicated with the first thread groove, and the bottom end of the L-shaped block 701 is provided with an inclined surface.

In this embodiment: be convenient for install connecting cylinder 601 through the first screw hole in outer wall screw thread and last mould 3 top, when L-shaped piece 701 bottom inclined plane and last mould 3 top contact, receive the inside that resistance promoted trapezoidal piece 602 extrusion spring 605 and contract to connecting cylinder 601, L-shaped piece 701 bottom is removed and is gone up the position of mould 3 inner wall fixed orifices parallel and level, make spring 605 no longer receive external extrusion force and promote L-shaped piece 701 and ball 702 and reset, make L-shaped piece 701 bottom insert in the fixed orifices, fix connecting cylinder 601 and last mould 3.

Please refer to fig. 2-3, four sets of vertical plates 603 are provided, two vertical plates 603 are provided in each set, the distance between the two vertical plates 603 is the same as the width of the trapezoidal block 602, the inner wall of the sliding plate 4 is provided with a through hole matched with the connecting cylinder 601, the inner side of the trapezoidal block 602 is provided with a third threaded hole matched with the bolt 604, and the inner walls of the two vertical plates 603 are both provided with a fourth threaded hole matched with the bolt 604.

In this embodiment: the trapezoidal block 602 can be conveniently reset and moved between the two vertical plates 603, so that the fourth threaded holes formed in the inner sides of the two vertical plates 603 are aligned with the threaded holes in the inner sides of the trapezoidal block 602, and then the bolt 604 is screwed, so that the bolt 604 passes through the third threaded hole from the fourth threaded hole in the inner side of one vertical plate 603 and is installed in the fourth threaded hole in the inner side of the other vertical plate 603, and the trapezoidal block 602 and the two vertical plates 603 are fixed.

Please refer to fig. 2-3, the inside of the connecting cylinder 601 is provided with a receiving groove matched with the trapezoidal block 602, the outer wall of the trapezoidal block 602 is fixedly connected with a limiting block, and the trapezoidal block 602 is connected with the connecting cylinder 601 in a sliding manner through the limiting block fixedly connected with the outer wall.

In this embodiment: the connecting cylinder 601 is convenient to be inserted into the through hole on the inner side of the sliding plate 4, when the trapezoidal block 602 is contacted with the sliding plate 4 and is subjected to resistance, the extrusion spring 605 is contracted into the connecting cylinder 601, the limiting block fixedly connected with the outer wall of the trapezoidal block 602 limits the connecting cylinder, and the trapezoidal block 602 is prevented from deviating in the moving process.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (7)

1. The injection mold with the bearing bidirectional tension wheel comprises a workbench (1) and a lower mold (2), wherein a hydraulic cylinder (5) is installed at the top end of the workbench (1), a sliding plate (4) is connected to the output end of the hydraulic cylinder (5), and an upper mold (3) is arranged below the sliding plate (4), and is characterized in that fixing mechanisms (6) are arranged at the top end of the upper mold (3) and the top end of the sliding plate (4);

the fixing mechanism (6) comprises a connecting cylinder (601), a trapezoidal block (602), a vertical plate (603), a bolt (604) and a spring (605), the connecting cylinder (601) is rotatably connected to the top end of the upper die (3), the trapezoidal block (602) is connected to the inside of the connecting cylinder (601), the spring (605) is connected to the inside of the connecting cylinder (601), the vertical plate (603) is connected to the top end of the sliding plate (4), and the bolt (604) is connected to the inner side of the vertical plate (603);

the connecting cylinder (601) is internally provided with a limiting mechanism (7) penetrating through the outer wall of one side, and the limiting mechanism is used for preventing the connecting cylinder (601) from loosening.

2. The injection mold with the bearing and the bidirectional tension wheel as claimed in claim 1, wherein the limiting mechanism (7) comprises an L-shaped block (701), a ball (702) and a groove (703), the L-shaped block (701) is connected to the bottom end of the trapezoid block (602), the vertical plate (603) is arranged inside the connecting cylinder (601), and the ball (702) is connected to the bottom end of the L-shaped block (701).

3. The injection mold with the bearing bidirectional tension wheel as claimed in claim 2, wherein the outer wall of the connecting cylinder (601) is provided with threads, the top end of the upper mold (3) is provided with a first thread groove, and the number of the connecting cylinders (601) is four.

4. The injection mold with the bearing and the bidirectional tension wheel as claimed in claim 1, wherein there are four sets of the vertical plates (603), there are two sets of the vertical plates (603) in each set, and the distance between the two vertical plates (603) is the same as the width of the trapezoidal block (602).

5. The injection mold with the bearing and the bidirectional tension wheel as claimed in claim 4, wherein the inner wall of the sliding plate (4) is provided with a through hole, the inner side of the trapezoidal block (602) is provided with a third threaded hole, and the inner walls of the two vertical plates (603) are provided with fourth threaded holes.

6. The injection mold with the bearing bidirectional tension wheel as claimed in claim 1, wherein a containing groove is formed in the connecting cylinder (601), and a limiting block is fixedly connected to the outer wall of the trapezoidal block (602).

7. The injection mold with the bearing and the bidirectional tension wheel as claimed in claim 3, wherein a fixing hole is formed in the inner wall of the upper mold (3), the fixing hole is communicated with the first thread groove, and the bottom end of the L-shaped block (701) is provided with an inclined surface.

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