热熔防火胶原料称重装置
By using a valve assembly with graded control and servo motor drive, the problem of inaccurate valve closure in the hot melt fire retardant adhesive raw material weighing device was solved, achieving high-precision weighing control and ensuring the accuracy of the weighing results.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CREDIT (HENAN) SEALING NEW MATERIAL TECH CO LTD
- Filing Date
- 2025-10-16
- Publication Date
- 2026-07-17
AI Technical Summary
Existing hot melt fire retardant adhesive raw material weighing devices are difficult to control precisely during valve closure, resulting in excessive or insufficient material input, which affects weighing accuracy.
The weighing device employs graded control, which, through gradual adjustment of the large, medium, and small feed inlets, combined with a servo motor-driven valve assembly, ensures precise material replenishment when approaching the target weight, thus avoiding overfeeding.
It significantly improves weighing accuracy, ensures the accuracy of weighing results, and avoids the problem of overfeeding due to delay or inertia.
Smart Images
Figure CN224517907U_ABST
Abstract
Claims
1. A hot-melt fireproof adhesive raw material weighing device, comprising a machine body (1), characterized in that: The machine body (1) is provided with a weighing mechanism (2) for weighing hot melt fireproof adhesive raw materials. The weighing mechanism (2) includes: The feeding assembly (21) includes a feeding hopper (211) fixed inside the upper part of the machine body (1). The lower end of the feeding hopper (211) is connected to a large material port (212), a medium material port (213) and a small material port (214) that are circumferentially distributed. The lower end of the large material port (212) is hinged to a first cover plate (215). The outer wall of the feeding hopper (211) is pivotally connected to a first cylinder (216), and the output end of the first cylinder (216) is pivotally connected to the first cover plate (215). The lower end of the medium material port (213) is hinged to a second cover plate (217). The outer wall of the feeding hopper (211) is pivotally connected to a second cylinder (218), and the output end of the second cylinder (218) is pivotally connected to the second cover plate (217). The bottom of the small material port (214) is provided with a valve assembly (219) for controlling the discharge. The weighing assembly (22) includes a discharge hopper (221) located at the lower end of the interior of the machine body (1). A measuring element (222) is provided between the discharge hopper (221) and the inner wall of the machine body (1) for weighing.
2. The hot-melt fireproof adhesive raw material weighing device according to claim 1, characterized in that: The valve assembly (219) includes a housing (2191) fixed to the bottom of the small feed port (214). The housing (2191) has several circumferentially distributed blades (2192) inside. The top and bottom of the blades (2192) are respectively fixed with a drive ring (2193) and an upper protrusion (2194). The housing (2191) has a lower protrusion (2195) rotatably installed inside. The lower protrusion (2195) has several circumferentially distributed arc grooves (2196) inside. The outer wall of the lower protrusion (2195) is fixed with a gear ring (2197). A gear (2198) is rotatably installed on one side inside the housing (2191) and meshes with the gear ring (2197) for transmission. The bottom of the housing (2191) has several circumferentially distributed straight grooves (2199). A servo motor (23) is installed at the bottom of the housing (2191) and is used to drive the gear (2198).
3. The hot-melt fireproof adhesive raw material weighing device according to claim 2, characterized in that: The drive ring (2193) is located inside the arc groove (2196), and the upper protrusion (2194) is located inside the straight groove (2199).
4. The hot-melt fireproof adhesive raw material weighing device according to claim 1, characterized in that: The measuring component (222) includes a mounting frame (2221) that is fixed on the outer wall of the discharge hopper (221) and is equidistantly distributed around the circumference. A weighing sensor (2222) is fixed on the mounting frame (2221), and an extension frame (2223) is fixed between the weighing sensor (2222) and the inner wall of the machine body (1).
5. The hot-melt fireproof adhesive raw material weighing device according to claim 1, characterized in that: The weighing assembly (22) also includes a dual-shaft cylinder (224) slidably mounted on the lower end of the discharge hopper (221), and a measuring element (222) is mounted on the outer wall of the discharge hopper (221) for driving the cover door (223).
6. The hot-melt fireproof adhesive raw material weighing device according to claim 1, characterized in that: The front end of the machine body (1) is fixed with a discharge port (3), and the lower end of the discharge hopper (221) is located inside the upper end of the discharge port (3). A control panel (4) is provided above the front end of the machine body (1).