Bare ring cutter cutting position adjusting device
By designing a bare-ring cutter cutting position adjustment device in tire production equipment, the precise adjustment of the cutter position is achieved by using mechanical limit parts and in-place detection baffle, the problem of cutting tool wear and position adjustment is solved, and the cutting is extended The service life of the knife improves production efficiency.
Patent Information
- Application Number
- CN202420119575.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-18
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-01-18
AI Technical Summary
In existing tire production equipment, the cutting part of the cutting tool is severely worn, has a short service life, needs to be replaced frequently, and the position adjustment is cumbersome, which affects the output.
A bare-ring cutter position adjustment device is designed, including a cutting tool holder, a bottom knife, a cutting tool, a cutting cylinder, a lift cylinder and a guide rod. The cutting tool position is realized through mechanical limit parts and in-place detection baffle. Accurate adjustment to extend the service life of the cutting tool.
It effectively improves the service life of the cutting tool, reduces the replacement frequency, avoids unnecessary downtime and cost losses, and improves production efficiency.
Smart Images

Figure CN222133292U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of tire component production equipment, in particular to a bare bead cutting knife cutting position adjustment device. Background Art
[0002] In the tire production process, the bare bead cutting mechanism is an important part of the bare bead wire ring production. It realizes the function of cutting the bare bead wire after the steel wire is guided, high-frequency heated, coated with glue, pre-bent by storage material, pulled, and wound on the winding disk according to the predetermined arrangement. It is specifically composed of the cutter lifting cylinder, cutter, guide rod positioning proximity switch, cutter limiter and other parts.
[0003] At present, due to the increase in the company's production and the speed of equipment, the cutting part of the cutter needs to perform frequent cutting actions, the blade of the cutter is severely worn, and the cutter needs to be replaced after only three weeks of use; the cutter part is small and the position requirements of the cutter are high. The entire cutter part needs to be dismantled for adjustment and replacement. Each adjustment takes 45-60 minutes and requires experienced employees to replace. Improper position assembly will cause wear or even breakage on the cutter surface, resulting in unnecessary waste and affecting the achievement of production.
[0004] Based on the above disadvantages, it is urgent to develop a cutter adjustment device to improve the efficiency of the cutter and solve the problems of low cutter service life and insufficient production capacity. Utility Model Content
[0005] The utility model aims to provide a device for adjusting the cutting position of a bare ring cutter in view of the defects in the prior art.
[0006] The technical scheme of the utility model is: a device for adjusting the cutting position of a bare ring cutter, comprising a cutter frame, a bottom knife, a cutter and a cutting cylinder, wherein the bottom knife is arranged in parallel with the cutter, the bottom knife is fixed on the cutter frame, the cutter is horizontally slidably mounted on the cutter frame and is connected with the cutting cylinder; the cutting cylinder is fixed on one side of the cutter frame, and further comprises a lifting cylinder and a proximity switch, wherein the lifting cylinder is vertically fixed on a frame, the cylinder rod of the lifting cylinder is vertically downward, and the guide rod is located above the cylinder body; the cutter frame is mounted on the lower end of the cylinder rod, the upper end of the guide rod is sleeved with a limiting member and an in-place detection baffle that can be axially moved and adjusted, and the limiting member is located below the in-place detection baffle; the proximity switch is horizontally mounted on the frame at the rear side of the lifting cylinder, and is directly opposite to the moving track of the in-place detection baffle; when the limiting member contacts the cylinder body of the lifting cylinder, the in-place detection baffle is directly opposite to the proximity switch.
[0007] Preferably, the limiting member is an adjusting nut, and the adjusting nut is threadedly connected to the upper end of the guide rod.
[0008] Preferably, the in-place detection baffle is an inverted L-shaped plate, and a horizontal end thereof is rotatably connected to an adjusting nut; the adjusting nut is threadedly connected to the upper end of the guide rod.
[0009] Preferably, an auxiliary nylon sleeve is sleeved on the guide rod, and the lower end of the auxiliary nylon sleeve is fixed to the top of the lifting cylinder body.
[0010] Compared with the prior art, the utility model has the following advantages:
[0011] The device adds a mechanical limiter on the guide rod of the lifting cylinder to control the cutting position of the cutter, so as to achieve the purpose of fully utilizing the cutter blade, effectively improving the utilization rate of the cutter; at the same time, it reduces the frequency of cutter replacement, avoids downtime and cost losses caused by frequent cutter replacement and long-term downtime. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is the front view of the utility model;
[0013] Figure 2 It is a three-dimensional diagram of the rear side of the utility model.
[0014] In the figure: 1. cutter frame, 2. bottom knife, 3. cutter, 4. cutting cylinder, 5. lifting cylinder, 6. guide rod, 7. proximity switch, 8. auxiliary nylon sleeve, 9. limiter, 10. in-position detection baffle, 11. adjusting nut. DETAILED DESCRIPTION
[0015] The utility model is further described below with reference to the accompanying drawings and embodiments. Embodiment 1
[0016] Reference Figure 1-2 As shown, a cutting position adjustment device for a bare ring cutter 3 comprises a cutter frame 1, a bottom knife 2, the cutter 3 and a cutting cylinder 4, wherein the bottom knife 2 is arranged parallel to the cutter 3, the bottom knife 2 is fixed on the cutter frame 1, the cutter 3 is horizontally slidably installed on the cutter frame 1 and is connected to the cutting cylinder 4; the cutting cylinder 4 is fixed on one side of the cutter frame 1.
[0017] It also includes a lifting cylinder 5 and a proximity switch 7. The lifting cylinder 5 is vertically fixed on the frame, its cylinder rod is vertically downward, and its guide rod 6 is located above the cylinder body; the cutting frame 1 is installed at the lower end of the cylinder rod, and the upper end of the guide rod 6 is provided with an axially movable limit member 9 and an in-place detection baffle 10, and the limit member 9 is located below the in-place detection baffle 10; the proximity switch 7 is horizontally installed on the frame at the rear side of the lifting cylinder 5, and it is opposite to the moving track of the in-place detection baffle 10; when the limit member 9 contacts the cylinder body of the lifting cylinder 5, the in-place detection baffle 10 is opposite to the proximity switch 7.
[0018] In more detail, an auxiliary nylon sleeve 8 is sleeved on the guide rod 6, and the lower end of the auxiliary nylon sleeve 8 is fixed to the top of the cylinder body of the lifting cylinder 5; the auxiliary nylon sleeve 8 plays a role of shock absorption and buffering to avoid damage to the lifting cylinder 5 caused by the impact of the limit member 9.
[0019] When it is necessary to cut the steel wire, the controller controls the action of the lifting cylinder 5, and its cylinder rod extends to drive the cutting frame 1 to move downward; when the limit member 9 contacts the auxiliary nylon sleeve 8, the cutter 3 reaches the cutting position, at which time the proximity switch 7 detects the in-place detection baffle 10, and the cutting cylinder 4 receives the cutting instruction and executes the cutting action; after working for a period of time, the stroke of the lifting cylinder 5 is adjusted by adjusting the position of the upper limit member 9 of the guide rod 6, thereby controlling the cutting position of the cutter 3 to achieve the purpose of fully using the blade of the cutter 3; after adjusting the limit member 9, the position of the in-place detection baffle 10 is adjusted to ensure that when the limit member 9 contacts the auxiliary nylon sleeve 8, the in-place detection baffle 10 is facing the proximity switch 7.
[0020] The device adds a mechanical limiter on the guide rod 6 of the lifting cylinder 5 to control the cutting position of the cutter 3, so as to achieve the purpose of fully utilizing the blade of the cutter 3, effectively improving the utilization rate of the cutter 3; at the same time, reducing the replacement frequency of the cutter 3, avoiding the downtime and cost loss caused by frequent replacement of the cutter 3 and long-term downtime. Embodiment 2
[0021] As a preferred embodiment of the present utility model, the structures of the position-limiting member 9 and the in-place detection baffle 10 are designed in this embodiment on the basis of the first embodiment, specifically:
[0022] In this embodiment, the limiter 9 is an adjusting nut, which is threadedly connected to the upper end of the guide rod 6. The guide rod 6 of the lifting cylinder 5 is lengthened, and threads are added at 40-50mm on the upper end of the guide rod 6, and the adjusting nut is adjusted on the back to achieve the purpose of adjusting the mechanical limit.
[0023] The in-place detection baffle 10 is an inverted L-shaped plate, and an adjusting nut 11 is rotatably connected to its horizontal end; the adjusting nut 11 is threadedly connected to the upper end of the guide rod 6, and the position of the in-place detection baffle 10 is adjusted by screwing the adjusting nut 11.
[0024] The present invention is not limited to the above-mentioned implementation modes. Within the knowledge scope of those skilled in the art, various changes can be made without departing from the purpose of the present invention. The changed contents still belong to the protection scope of the present invention.
Claims
1. A device for adjusting the cutting position of a bare ring cutter, comprising a cutter frame, a bottom knife, a cutter and a cutting cylinder, wherein the bottom knife and the cutter are arranged in parallel, the bottom knife is fixed on the cutter frame, the cutter is horizontally slidably mounted on the cutter frame and connected to the cutting cylinder; the cutting cylinder is fixed on one side of the cutter frame, and is characterized in that: It also includes a lifting cylinder and a proximity switch, wherein the lifting cylinder is vertically fixed on the frame, with its cylinder rod pointing vertically downward and its guide rod located above the cylinder body; the cutting frame is installed at the lower end of the cylinder rod, and the upper end of the guide rod is provided with a limit piece and an in-place detection baffle that can be axially moved and adjusted, and the limit piece is located below the in-place detection baffle; the proximity switch is horizontally installed on the frame at the rear side of the lifting cylinder, and it is opposite to the moving track of the in-place detection baffle; when the limit piece contacts the lifting cylinder body, the in-place detection baffle is opposite to the proximity switch.
2. The device for adjusting the cutting position of a bare ring cutter according to claim 1, characterized in that: The limiting member is an adjusting nut, and the adjusting nut is threadedly connected to the upper end of the guide rod.
3. The device for adjusting the cutting position of a bare ring cutter according to claim 1, characterized in that: The in-position detection baffle is an inverted L-shaped plate, and a horizontal end thereof is rotatably connected with an adjusting nut; the adjusting nut is threadedly connected to the upper end of the guide rod.
4. The device for adjusting the cutting position of a bare ring cutter according to claim 1, characterized in that: An auxiliary nylon sleeve is sleeved on the guide rod, and the lower end of the auxiliary nylon sleeve is fixed on the top of the lifting cylinder body.
