A bottom plate opening and closing door device for a flat knitting machine

Abstract

The present invention provides a bottom plate opening and closing door device for a horizontal knitting machine, comprising a bottom plate assembly and an opening and closing door assembly, wherein the bottom plate assembly moves downward, and the opening and closing door is closed under the action of a connecting rod structure of the opening and closing door assembly, and the fabric falls along the opening and closing door, and the bottom plate is closed to protect the bottom plate from collision; the bottom plate assembly moves upward, and the opening and closing door is opened under the action of a connecting rod structure of the opening and closing door assembly, and space is reserved for the bottom plate to move up and down. In the present invention, a motor drives the bottom plate to rise and fall, and the bottom plate assembly and the opening and closing door assembly cooperate with each other, so that the opening and closing door completes the opening and closing actions, thereby realizing linkage opening and closing. One motor drive greatly saves costs, has a simple structure, makes the device run more stably, and improves work efficiency.

Description

Technical Field

[0001] The invention relates to the technical field of computerized flat knitting machines, and in particular to a bottom plate opening and closing door device of a flat knitting machine. Background Art

[0002] Most of the existing knitting machines use independent mechanical structures for the bottom plate opening and closing doors. The above-mentioned opening and closing doors are too large and bulky, and the independent mechanical structure cannot complete the linkage between the bottom lifting and the opening and closing door. The above-mentioned opening and closing door has a complex structure and cannot be opened and closed freely, which affects its use. Summary of the invention

[0003] In order to solve the above-mentioned problems, the main purpose of the present invention is to provide a bottom plate opening and closing door device of a flat knitting machine, which can realize the free opening and closing of the opening and closing door.

[0004] In order to achieve the above object, the technical solution adopted by the present invention is as follows:

[0005] A bottom plate opening and closing door device for a horizontal knitting machine comprises a bottom plate assembly and a frame, wherein the bottom plate assembly comprises a pair of lifting shafts, a bottom plate, a pair of slide rail seats, and a pair of pressure blocks; wherein a lifting shaft is respectively installed on the left wall panel and the right wall panel of the frame, a slide rail seat is installed on each of the lifting shafts, a pressure block is installed below each of the slide rail seats, the bottom plate is installed above the pair of slide rail seats, and the slide rail seats simultaneously drive the bottom plate and the pressure block to move up and down along the axis direction of the lifting shaft.

[0006] Furthermore, the bottom plate opening and closing door device of the horizontal knitting machine also includes: a pair of upper synchronous wheels, a pair of synchronous belts, a linkage shaft, and a pair of lower synchronous wheels; wherein, an upper synchronous wheel is respectively installed above the left wall panel and the right wall panel of the frame, and a lower synchronous wheel is provided directly below each upper synchronous wheel, an upper synchronous wheel and a lower synchronous wheel are connected by a synchronous belt, and a synchronous belt is fixedly connected to a slide rail seat, and the pair of lower synchronous wheels are sleeved on the linkage shaft.

[0007] Furthermore, the bottom plate opening and closing door device of the horizontal knitting machine also includes: a driving motor, a chain, a large sprocket, and a small sprocket; wherein the large sprocket is sleeved on the rightmost side of the linkage shaft, the driving motor is arranged behind the large sprocket, the small sprocket is installed on the output shaft end of the driving motor, and the small sprocket is connected to the large sprocket by the chain.

[0008] Furthermore, the bottom plate opening and closing door device of the horizontal knitting machine also includes: an opening and closing door assembly; wherein, the opening and closing door assembly includes an opening and closing door, a pair of door opening pry bars, a pair of connecting rods, a pair of door closing pry bars, a pair of tension springs, a pair of door shafts, a pair of return springs, and a pair of bearings, a door opening pry bar is respectively installed on the left wall panel and the right wall panel of the frame, and a door closing pry bar is installed directly below each door opening pry bar, each of the door opening pry bars and each of the door closing pry bars can rotate around their respective door opening pry bar fulcrums and door closing pry bar fulcrums, and each of the door opening pry bars and each of the door closing pry bars are connected to each of the door closing pry bars by a connecting rod to form a connecting rod structure; each of the door closing pry bars is connected to a corresponding connecting rod at one end, and the bearing is installed at the other end; the door opening pry bar is provided with the opening and closing door, and the opening and closing door is provided with a pair of door shafts, and each of the door shafts is provided with a return spring.

[0009] Furthermore, in the bottom plate opening and closing door device of the horizontal knitting machine, the driving motor drives the small sprocket to rotate, and through the chain transmission, the large sprocket drives the linkage shaft, a pair of lower synchronous wheels, and a pair of upper synchronous wheels to rotate synchronously, and the pair of synchronous belts move up and down to drive the slide rail seat, so that the bottom plate and the pressure block move up and down at the same time.

[0010] Furthermore, in the bottom plate opening and closing door device of the horizontal knitting machine, a pair of door shafts are installed on the opening and closing door, each of the door shafts can move along the axial direction of the door shaft, a return spring is sleeved on each of the door shafts, the opening and closing door and the door opening pry rod are connected with an opening and closing fulcrum and can rotate around the opening and closing fulcrum, and at the same time, the door shaft is inserted in the buckle of the door opening pry rod to fix the opening and closing door.

[0011] When the bottom plate assembly moves downward, the pressure block contacts the bearing of the door closing pry rod, so that the door closing pry rod rotates around the door closing pry rod fulcrum, and the opening and closing door is closed under the action of the connecting rod structure; when the bottom plate assembly moves upward, the pressure block does not contact the bearing of the door closing pry rod, and the connecting rod structure opens the opening and closing door under the action of the tension spring, and the bottom plate assembly and the opening and closing door assembly cooperate with each other to enable the opening and closing door to complete the opening and closing actions.

[0012] When the opening and closing door needs to be opened manually, the door shaft is pulled to disengage the buckle, and the opening and closing door rotates around the opening and closing fulcrum to open the opening and closing door; when the opening and closing door needs to be closed manually, the opening and closing door is pushed, and the door shaft is inserted into the buckle of the door opening pry rod under the action of the return spring.

[0013] By adopting the above technical solution, the present invention has the following beneficial effects:

[0014] Compared with the prior art, the bottom plate opening and closing door device of the present invention has the following beneficial effects: the bottom plate assembly is driven by a driving motor to complete the lifting action, the opening and closing door assembly adopts a connecting rod structure, the bottom plate assembly and the opening and closing door assembly cooperate with each other to achieve linkage opening and closing, the structure is simple, the device operation is more stable, and the work efficiency is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a front view of the bottom plate opening and closing door device of the present invention.

[0016] Figure 2 It is a left sectional view of the bottom plate opening and closing door device of the present invention.

[0017] Figure 3 It is a right sectional view of the bottom plate opening and closing door device of the present invention.

[0018] Figure 4 It is a three-dimensional structural schematic diagram of the bottom plate opening and closing door device of the present invention.

[0019] Figure 5 It is a schematic diagram of assembling an opening and closing door and a door opening lever of the present invention.

[0020] Explanation of the reference numerals in the accompanying drawings: A1: opening and closing door; A2: door opening lever; A3: connecting rod; A4: door closing lever; A5: tension spring; A6: door shaft; A7: return spring; A81: door opening lever fulcrum; A82: door closing lever fulcrum; A9: buckle; A10: opening and closing fulcrum; A11: bearing; B1: lifting shaft; B2: upper synchronous wheel; B3: synchronous belt; B4: bottom plate; B5: slide rail seat; B6: pressure block; B7: linkage shaft; B8: lower synchronous wheel; B9: driving motor; B10: chain; B11: large sprocket; B12, small sprocket; C, frame; C1, left wall panel; C2, right wall panel. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the structural diagrams and specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0022] Example 1

[0023] like Figure 1-5As shown, the bottom plate opening and closing door device of the horizontal knitting machine includes: a bottom plate assembly, an opening and closing door assembly and a frame; wherein the bottom plate assembly includes: a pair of lifting shafts B-1, a pair of upper synchronous wheels B-2, a pair of synchronous belts B-3, a bottom plate B-4, a pair of slide rail seats B-5, a pair of pressure blocks B-6, a linkage shaft B-7, a pair of lower synchronous wheels B-8, a driving motor B-9, a chain B-10, a large sprocket B-11, and a small sprocket B-12. A lifting shaft B-1 is installed on each of the left and right wall panels C1 and C2 of the frame C. A slide rail seat B-5 is installed on each lifting shaft B-1. A pressing block B-6 is installed under each slide rail seat B-5. A bottom plate B-4 is installed above the slide rail seat B-6. The slide rail seat B-5 drives the bottom plate B-4 and the pressing block B-6 to move up and down along the axis of the lifting shaft. An upper synchronous wheel B-2 is installed above each of the left and right wall panels C1 and C2. A pressing block B-6 is installed directly below each upper synchronous wheel B-2. There is a lower synchronous wheel B-8, and a pair of upper and lower synchronous wheels on each side are connected by a synchronous belt B-3. A synchronous belt B-3 is fixedly connected to a slide rail seat B-5. A pair of lower synchronous wheels B-8 are sleeved on the linkage shaft B-7. A large sprocket B-11 is also sleeved on the rightmost side of the linkage shaft B-7. A driving motor B-9 is provided behind the large sprocket. A small sprocket B-11 is installed on the output shaft end of the driving motor. The small sprocket B-11 is connected to the large sprocket B-12 by a chain B-10.

[0024] Example 2

[0025] like Figure 1-5As shown, the bottom plate opening and closing door device of the horizontal knitting machine includes: a bottom plate assembly, an opening and closing door assembly and a frame; the opening and closing door assembly includes: an opening and closing door A-1, a pair of door opening levers A-2, a pair of connecting rods A-3, a pair of door closing levers A-4, a pair of tension springs A-5, a pair of door shafts A-6, a pair of return springs A-7, and a pair of bearings. The pair of door opening levers A-2 are respectively installed on the left and right wall panels C1 and C2, and a door closing lever A-4 is installed directly below each door opening lever A-2. The door opening lever A-2 and the door closing lever A-4 can rotate around their respective door opening lever fulcrums A-81 and door closing lever fulcrum A-82. The door opening lever A-2 and the door closing lever A-4 on each side are connected with a connecting rod A-3 to form a connecting rod structure; the door closing lever One end of the pry bar A-4 is connected to the connecting rod A-3, and the other end is installed with a bearing; an opening and closing door is arranged on the door opening pry bar A-2, and a door shaft A-6 is arranged on the opening and closing door A-1, and a return spring A-7 is arranged on the door shaft; the opening and closing door A-1 and the door opening pry bar A-2 are connected by an opening and closing fulcrum A10 and can rotate around the opening and closing fulcrum A10, and at the same time, the door shaft A-6 is inserted into the buckle A-9 of the door opening pry bar A-2 to fix the opening and closing door A-1; when the opening and closing door A-1 needs to be opened manually, the door shaft A-6 is pulled to disengage the buckle, and the opening and closing door rotates around the opening and closing fulcrum A10 to open the opening and closing door A-1; when the opening and closing door A-1 needs to be closed manually, the opening and closing door A-1 is pushed, and under the action of the return spring A-7, the door shaft A-6 is inserted into the buckle A-9 of the door opening pry bar A-2.

[0026] Example 3

[0027] like Figure 1-5 As shown, a bottom plate opening and closing door device of a horizontal knitting machine, a driving motor B-9 drives a small sprocket B-11 to rotate, and through transmission of a chain B-10, a large sprocket B-12 drives a linkage shaft B-7 and a lower synchronous wheel B-8 to rotate, and an upper synchronous wheel B-2 rotates synchronously, and a synchronous belt B-3 moves up and down to drive a slide rail seat B-5, so that the bottom plate B-4 and a pressure block B-6 move up and down at the same time, when the bottom plate assembly moves downward, the pressure block B-6 contacts with a bearing of a door closing pry bar A-4, so that the door closing pry bar A-4 rotates around the fulcrum of the door closing pry bar, and the opening and closing door A-1 is closed under the action of a connecting rod structure; when the bottom plate assembly moves upward, the pressure block B-6 does not contact with the bearing of the door closing pry bar A-4, and the connecting rod structure opens the opening and closing door A-1 under the action of a tension spring A-5, and the bottom plate assembly and the opening and closing door assembly cooperate with each other to enable the opening and closing door to complete the opening and closing actions.

[0028] The above-mentioned embodiments only express the implementation methods of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the present invention. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be based on the attached claims.

Claims

1. A bottom plate opening and closing door device for a flat knitting machine, characterized in that: It comprises a base plate assembly and a frame, wherein the base plate assembly comprises a pair of lifting shafts, a base plate, a pair of slide rail seats, and a pair of pressure blocks; wherein, a lifting shaft is respectively installed on the left wall plate and the right wall plate of the frame, a slide rail seat is installed on each lifting shaft, a pressure block is installed under each slide rail seat, the base plate is installed above the pair of slide rail seats, and the slide rail seat simultaneously drives the base plate and the pressure block to move up and down along the axis direction of the lifting shaft; The bottom plate opening and closing door device also includes: a pair of upper synchronous wheels, a pair of synchronous belts, a linkage shaft, a pair of lower synchronous wheels and an opening and closing door assembly: wherein, the opening and closing door assembly includes an opening and closing door, a pair of door opening pry bars, a pair of connecting rods, a pair of door closing pry bars, a pair of tension springs, a pair of door shafts, a pair of return springs, and a pair of bearings. A door opening pry bar is respectively installed on the left wall panel and the right wall panel of the frame, and a door closing pry bar is installed directly below each door opening pry bar. Each of the door opening pry bars and each of the door closing pry bars can rotate around their respective door opening pry bar fulcrums and door closing pry bar fulcrums, and each of the door opening pry bars is connected to each of the door closing pry bars by a connecting rod. A connecting rod structure is formed; one end of each of the door closing levers is connected to a corresponding connecting rod, and the other end is equipped with the bearing; the door opening lever is provided with the opening and closing door, and the opening and closing door is provided with a pair of door shafts, and each door shaft is provided with a return spring; the bottom plate opening and closing door device also includes: an upper synchronous wheel is respectively installed above the left wall panel and the right wall panel of the frame, and a lower synchronous wheel is provided directly below each upper synchronous wheel, and an upper synchronous wheel and a lower synchronous wheel are connected by a synchronous belt, and a synchronous belt is fixedly connected to a slide rail seat, and the pair of lower synchronous wheels are sleeved on the one linkage shaft; A pair of door shafts are installed on the opening and closing door, each of which can move along the axial direction of the door shaft, and each of which is sleeved with a return spring. The opening and closing door and the door opening pry rod are connected by an opening and closing fulcrum and can rotate around the opening and closing fulcrum. At the same time, the door shaft is inserted into the buckle of the door opening pry rod to fix the opening and closing door.

2. The bottom plate opening and closing door device of a flat knitting machine according to claim 1, characterized in that: The bottom plate opening and closing door device also includes: a driving motor, a chain, a large sprocket, and a small sprocket; wherein the large sprocket is sleeved on the rightmost side of the linkage shaft, the driving motor is arranged behind the large sprocket, the small sprocket is installed on the output shaft end of the driving motor, and the small sprocket is connected to the large sprocket by the chain.

3. The bottom plate opening and closing door device of the flat knitting machine according to claim 2 is characterized in that: The driving motor drives the small sprocket to rotate, and through the chain transmission, the large sprocket drives the linkage shaft, a pair of lower synchronous wheels, and a pair of upper synchronous wheels to rotate synchronously, and the pair of synchronous belts move up and down to drive the slide rail seat, so that the bottom plate and the pressure block move up and down at the same time.

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