CN113334730A

CN113334730A - Rubber strip preforming device is used in production of washing machine damper assembly

Info

Publication number: CN113334730A
Application number: CN202110893902.2A
Authority: CN
Inventors: 宫清远; 宫振忠
Original assignee: CHANGYI YONGFU SPRING CO LTD
Current assignee: CHANGYI YONGFU SPRING CO LTD
Priority date: 2021-08-05
Filing date: 2021-08-05
Publication date: 2021-09-03
Anticipated expiration: 2041-08-05
Also published as: CN113334730B

Abstract

The utility model provides a rubber strip forming device in advance is used in washing machine damper assembly production, belong to rubber forming device in advance field, including the rectangular pipe, be equipped with two rotation posts in the rectangular pipe, the inner wall sliding contact cooperation that the surface that rotates the post and the rectangular pipe correspond, two adjacent side contact cooperations that rotate the post, the both ends of rotation post are the inner of fixed connection back shaft respectively, it is equipped with the preformed hole respectively to correspond the back shaft on the rectangular pipe, the back shaft rotates and installs in the preformed hole that corresponds, the periphery that rotates the post evenly sets up one row of several ring channel respectively, the sunken degree of depth of ring channel is reduced to shallowest department by deepest gradually, the ring channel of upside and the ring channel longitudinal symmetry of downside. The invention has simple structure and ingenious conception, and the size of the extrusion hole of the die head can be adjusted in a stepless way, thereby being capable of processing rubber strips with different thicknesses, reducing the replacement of the die head and processing the variable-diameter rubber strips according to the requirement.

Description

Rubber strip preforming device is used in production of washing machine damper assembly

Technical Field

The invention belongs to the field of rubber preforming devices, and particularly relates to a rubber strip preforming device for producing a damping assembly of a washing machine.

Background

In the industrial production process, a rubber part with good damping effect is usually used as a washing machine damping component, a preforming machine is generally required to perform rubber in the production of the washing machine damping component, the rubber is processed into rubber strips with different thicknesses so as to facilitate subsequent processing, a die head of the conventional rubber preforming machine can only process the rubber strips with fixed thicknesses, and then the die head is frequently replaced according to the processing requirement so as to produce the rubber strips with different thicknesses, but the die head is heavy and cumbersome to replace, so that the die head is difficult to replace; in order to facilitate subsequent processing, different sections of the same rubber strip are sometimes required to be processed into different thicknesses, but the thickness of the rubber strip cannot be continuously changed by the conventional die head, and actual requirements cannot be met, so that the rubber strip preforming device for producing the washing machine damping component is invented.

Disclosure of Invention

The invention provides a rubber strip preforming device for producing a washing machine damping component, which is used for overcoming the defects in the prior art.

The invention is realized by the following technical scheme:

the utility model provides a washing machine is rubber strip forming device in advance for damper assembly production, including the rectangular pipe, be equipped with two rotation posts in the rectangular pipe, the surface of rotation post and the inner wall sliding contact cooperation that the rectangular pipe corresponds, two adjacent side contact cooperations of rotating the post, the both ends of rotation post are the inner of fixed connection back shaft respectively, it is equipped with the preformed hole respectively to correspond the back shaft on the rectangular pipe, the back shaft rotates and installs in the preformed hole that corresponds, the periphery of rotation post evenly sets up one row of several ring channel respectively, the sunken depth of ring channel reduces to the shallowest department by deepest, the ring channel of upside and the ring channel longitudinal symmetry of downside, the circular shape hole of extruding can be constituteed to the adjacent end of adjacent ring channel from top to bottom, be equipped with the semicircle cone post in the ring channel, the curved surface of the different sections of semicircle cone post can laminate completely with the curved surface that the ring channel corresponds the section, be equipped with on the rectangular pipe and drive the adjusting device who rotates the positive and reverse rotation and can make the semicircle cone post back-and-forth movement.

The rubber strip preforming device for producing the washing machine damping component comprises a worm, wherein the worm is rotatably arranged on a rectangular pipe through a shaft seat, a worm wheel is fixedly arranged at the outer end of a supporting shaft at one end of a rotating column at one side and meshed with the worm, gears are respectively and fixedly arranged at the outer ends of supporting shafts at the other ends of the rotating columns, and the gears are meshed with each other; the inner wall of the rectangular pipe is provided with a strip-shaped sliding groove corresponding to the semi-conical column respectively, a strip-shaped sliding block is installed in the strip-shaped sliding groove in a sliding fit mode respectively, the semi-conical column is fixedly installed on the corresponding strip-shaped sliding block, the opposite sides of the two gears are meshed with a strip-shaped rack in a matched mode respectively, and the outer end of the strip-shaped sliding block is fixedly connected with the corresponding strip-shaped rack through a connecting rod.

According to the preforming device for the rubber strip for producing the washing machine damping component, the hand wheel is fixedly installed at the upper end of the worm.

According to the preforming device for the rubber strip for producing the washing machine damping component, the strip-shaped racks are fixedly connected through the connecting rods.

According to the rubber strip performing device for producing the washing machine damping component, the rectangular frame plate is fixedly installed at the rear end of the rectangular pipe, and a plurality of installation holes are uniformly formed in the rectangular frame plate.

The invention has the advantages that: the invention has simple structure and ingenious conception, and the size of the extrusion hole of the die head can be adjusted in a stepless way, thereby being capable of processing rubber strips with different thicknesses, reducing the replacement of the die head and processing the variable-diameter rubber strips according to the requirement. When the rubber strip forming machine is used, the rear end of the rectangular pipe is aligned to a rubber extrusion opening of the rubber preforming machine, the rectangular pipe is fixedly arranged on the rubber preforming machine through threaded connection, rubber which is discharged from the rubber extrusion opening of the rubber preforming machine enters the rectangular pipe, and the rubber in the rectangular pipe is extruded through the extrusion hole to form a rubber strip; when the size of the extrusion hole needs to be adjusted, the rotating column on the upper side is rotated clockwise through the adjusting device, the rotating column on the lower side is rotated anticlockwise, the semi-conical column moves forwards, the diameter of the extrusion hole is gradually increased, and one end, away from the extrusion hole, of the annular groove is kept closed through the semi-conical column, so that rubber can be extruded only through the extrusion hole; the above process is carried out in reverse order, and the diameter of the extrusion hole can be gradually reduced.

Drawings

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

FIG. 1 is a schematic structural view of the present invention; FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1; fig. 3 is a view from direction B of fig. 2.

Reference numerals: 1. rectangular pipe, 2, rotation post, 3, back shaft, 4, preformed hole, 5, ring channel, 6, extrude the hole, 7, half cone column, 20, worm, 21, worm wheel, 22, gear, 23, bar spout, 24, bar slider, 25, bar rack, 26, connecting rod, 30, hand wheel, 40, connecting rod, 50, rectangle frame board, 51, mounting hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

A rubber strip preforming device for producing a shock absorption assembly of a washing machine comprises a rectangular tube 1, wherein the rectangular tube 1 is a shell with openings at the front end and the rear end, two rotating columns 2 are arranged in the rectangular tube 1, the rotating columns 2 are symmetrically distributed up and down, the surfaces of the rotating columns 2 are in sliding contact fit with the corresponding inner wall of the rectangular tube 1, the adjacent sides of the two rotating columns 2 are in contact fit, the periphery of each rotating column 2 is in sliding contact fit with the inner wall of the top side or the inner wall of the bottom side of the rectangular tube 1, the end surfaces of the rotating columns 2 are in sliding contact fit with the inner wall of the right side or the inner wall of the left side of the rectangular tube 1, the two ends of each rotating column 2 are respectively and fixedly connected with the inner end of a supporting shaft 3, the supporting shafts 3 are respectively coaxial with the corresponding rotating columns 2, the supporting shafts 3 are respectively provided with reserved holes 4 corresponding to the supporting shafts 3 on the rectangular tube 1, the supporting shafts 3 are rotatably installed in the corresponding reserved holes 4, the peripheries of the supporting shafts 3 are rotatably connected with the inner peripheries of the reserved holes 4 through sealed bearings, a row of a plurality of annular grooves 5 are respectively and uniformly arranged on the periphery of the rotating column 2, the depth of the concave of the annular groove 5 is gradually reduced from the deepest part to the shallowest part, the deepest end of the cross section of the annular groove 5 is a big semicircle, the shallowest end is a small semicircle, and the degree of depth of ring channel 5 is reduced to little semicircle end by big semicircle end gradually, the ring channel 5 of upside and the ring channel 5 of downside are symmetry from top to bottom, the adjacent end of adjacent ring channel 5 from top to bottom can constitute circular extrusion hole 6, be equipped with half cone post 7 in the ring channel 5, half round big of half cone post 7 one end, the half round of the other end is little, the curved surface of the different sections of half cone post 7 can laminate completely with the curved surface of the section that ring channel 5 corresponds, the half round of half cone post 7 cross section can laminate completely with the semicircle that ring channel 5 corresponds the cross section, be equipped with on the rectangular pipe 1 and can drive the rotation post 2 just reverse rotation and can make the adjusting device of half cone post 7 back-and-forth movement. The invention has simple structure and ingenious conception, and the size of the extrusion hole 6 of the die head can be adjusted in a stepless way, thereby being capable of processing rubber strips with different thicknesses, reducing the replacement of the die head and processing the variable-diameter rubber strips according to the requirement. When the rubber strip forming machine is used, firstly, the rear end of the rectangular pipe 1 is aligned to a rubber extrusion opening of the rubber preforming machine, the rectangular pipe 1 is fixedly installed on the rubber preforming machine through threaded connection, rubber which flows out of the rubber extrusion opening of the rubber preforming machine enters the rectangular pipe 1, and the rubber in the rectangular pipe 1 is extruded through the extrusion holes 6 to form a rubber strip; when the size of the extrusion hole 6 needs to be adjusted, the rotating column 2 on the upper side is rotated clockwise through the adjusting device, the rotating column 2 on the lower side is rotated anticlockwise, the semi-conical column 7 moves forwards, the diameter of the extrusion hole 6 is gradually increased, the semi-conical column 7 enables one end, away from the extrusion hole 6, of the annular groove 5 to be kept closed, and therefore rubber can be extruded only through the extrusion hole 6; the above process is performed in reverse order, and the diameter of the extrusion hole 6 can be gradually reduced.

Specifically, as shown in fig. 1 and 2, the adjusting device of the present embodiment includes a worm 20, the worm 20 is rotatably mounted on the rectangular tube 1 through a shaft seat, a worm wheel 21 is fixedly mounted at an outer end of the support shaft 3 at one end of the rotating column 2 at one side, the worm wheel 21 is engaged with the worm 20, a gear 22 is respectively fixedly mounted at an outer end of the support shaft 3 at the other end of the rotating column 2, and the gears 22 are engaged with each other; bar spout 23 is seted up respectively to the corresponding semicircle cone post 7 of inner wall of rectangular pipe 1, respectively sliding fit installs bar slider 24 in the bar spout 23, bar slider 24 only can slide around the bar spout 23 that corresponds, bar slider 24's lateral wall and the lateral wall sliding contact cooperation that bar spout 23 corresponds, semicircle cone post 7 fixed mounting is on the bar slider 24 that corresponds, two gear 22's the back of the body side meshes the cooperation respectively and is equipped with bar rack 25, bar slider 24's outer end passes through connecting rod 26 fixed connection with the bar rack 25 that corresponds. The worm 20 is screwed, the worm 20 drives the worm wheel 21 and the corresponding support shaft 3 and the rotating column 2 to rotate, the rotating column 2 drives the rotating column 2 on the other side to rotate through the gear 22 and the corresponding support shaft 3, the rotating directions of the rotating columns 2 on the upper side and the lower side are opposite, the gear 22 drives the strip-shaped rack 25 to move forwards or backwards when rotating, the strip-shaped rack 25 drives the strip-shaped sliding block 24 and the semi-conical column 7 to move forwards and backwards through the connecting rod 26, as shown in fig. 2, when the rotating column 2 on the upper side rotates anticlockwise, the semi-conical column 7 moves leftwards, and when the rotating column 2 on the upper side rotates clockwise, the semi-conical column 7 moves rightwards, so that the curved surface of the semi-conical column 7 is in fit with the curved surface corresponding to the annular groove 5, a gap is prevented from being formed between the curved surface of the semi-conical column 7 and the curved surface of the annular groove 5, and rubber is prevented from escaping through the gap; by utilizing the self-locking between the worm wheel 21 and the worm 20, the worm wheel 21 can be prevented from driving the worm 20 to rotate.

Specifically, as shown in fig. 1, a hand wheel 30 is fixedly mounted on an upper end of the worm 20 in the present embodiment. Screwing the worm 20 by the hand wheel 30 is more labor-saving.

Further, as shown in fig. 2, the rack bar 25 of the present embodiment is fixedly connected by a connecting rod 40. Two bar racks 25 pass through connecting rod 40 fixed connection, can increase bar rack 25's stability, increase the stability of bar slider 24 in bar spout 23.

Furthermore, as shown in fig. 2, a rectangular frame plate 50 is fixedly installed at the rear end of the rectangular tube 1, the inner wall of the rectangular frame plate 50 is coplanar with the corresponding inner wall of the rectangular tube 1, and a plurality of installation holes 51 are uniformly formed in the rectangular frame plate 50. The rectangular frame plate 50 is mounted on the rubber preforming machine by aligning the inner hole of the rectangular frame plate 50 with the rubber extrusion opening of the rubber preforming machine and passing a bolt through the mounting hole 51, thereby facilitating the removal and installation of the rectangular tube 1.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a washing machine damper assembly production is with rubber strip preforming device which characterized in that: comprises a rectangular pipe (1), two rotating columns (2) are arranged in the rectangular pipe (1), the surfaces of the rotating columns (2) are in sliding contact fit with the inner wall corresponding to the rectangular pipe (1), the adjacent sides of the two rotating columns (2) are in contact fit, the two ends of each rotating column (2) are respectively fixedly connected with the inner end of a supporting shaft (3), the corresponding supporting shafts (3) on the rectangular pipe (1) are respectively provided with a preformed hole (4), the supporting shafts (3) are rotatably arranged in the corresponding preformed holes (4), the periphery of each rotating column (2) is respectively and uniformly provided with a row of a plurality of annular grooves (5), the sunken depth of the annular grooves (5) is gradually reduced from the deepest part to the shallowest part, the annular grooves (5) on the upper side and the annular grooves (5) on the lower side are vertically symmetrical, the adjacent ends of the vertically adjacent annular grooves (5) can form a circular extrusion hole (6), semi-circular conical columns (7) are arranged in the annular grooves (5), the curved surfaces of different sections of the semi-conical column (7) can be completely attached to the curved surface of the corresponding section of the annular groove (5), and an adjusting device capable of driving the rotating column (2) to rotate forwards and backwards and enabling the semi-conical column (7) to move forwards and backwards is arranged on the rectangular pipe (1).

2. The preforming device of rubber strip for producing shock absorbing component of washing machine as claimed in claim 1, wherein: the adjusting device comprises a worm (20), the worm (20) is rotatably installed on the rectangular pipe (1) through a shaft seat, a worm wheel (21) is fixedly installed at the outer end of the supporting shaft (3) at one end of the rotating column (2) at one side, the worm wheel (21) is meshed and matched with the worm (20), gears (22) are respectively and fixedly installed at the outer ends of the supporting shafts (3) at the other end of the rotating column (2), and the gears (22) are meshed and matched with each other; the inner wall of rectangular pipe (1) corresponds half cone post (7) and sets up bar spout (23) respectively, and sliding fit installs bar slider (24) in bar spout (23) respectively, and half cone post (7) fixed mounting is on bar slider (24) that correspond, and the back of the body side of two gears (22) meshes the cooperation respectively and is equipped with bar rack (25), and the outer end of bar slider (24) passes through connecting rod (26) fixed connection with bar rack (25) that correspond.

3. The preforming device of rubber strip for producing shock absorbing component of washing machine as claimed in claim 2, wherein: and a hand wheel (30) is fixedly arranged at the upper end of the worm (20).

4. The preforming device of rubber strip for producing shock absorbing component of washing machine as claimed in claim 2, wherein: the strip-shaped racks (25) are fixedly connected through connecting rods (40).

5. The preforming device of rubber strip for producing shock absorbing component of washing machine as claimed in claim 1, wherein: the rear end of the rectangular pipe (1) is fixedly provided with a rectangular frame plate (50), and the rectangular frame plate (50) is uniformly provided with a plurality of mounting holes (51).