Needle alignment correction mechanism
The needle alignment and correction mechanism utilizes fine-tuning components and a lifting unit to achieve precise needle alignment and correction, solving the accuracy deviation problem in dispensing equipment when dispensing multiple valves, and improving production efficiency and dispensing speed.
Patent Information
- Application Number
- CN202520080649.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-14
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-01-14
AI Technical Summary
Conventional dispensing equipment suffers from dispensing accuracy deviations when dispensing multiple valves simultaneously, failing to meet the requirements for high-precision alignment and correction, and also exhibits slow dispensing speed.
A needle alignment and calibration mechanism was designed, including a fixture plate, a calibration unit, a fine-tuning component, and a lifting unit. The needle position is finely adjusted by a micrometer, a compression spring, and a movable push block. It is used in conjunction with multiple dispensing valves for precise calibration and an industrial camera for visual inspection and data calibration.
It achieves accurate and compact needle positioning, improves production efficiency and dispensing speed, and meets the requirements for high-precision position alignment correction.
Smart Images

Figure CN223847358U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to needle head correction technical field, specifically, especially, a needle head alignment correction mechanism. BACKGROUND
[0002] The conventional glue filling equipment only carries out production and manufacture to single product, along with the improvement of industrial automation level, the production efficiency requirement of production equipment also improves along with it, the vacuum glue filling equipment of application structure needs to carry out glue filling to point many sets of valves simultaneously, and the precision of glue filling to different positions is different, and there is also deviation, cannot satisfy the high-precision alignment correction demand occasion, and the correction alignment is low, and the glue dispensing speed is slow.
[0003] The prior art has defects and needs to be improved. UTILITY MODEL CONTENT
[0004] In order to solve the defects existing in the prior art, the utility model provides a needle head alignment correction mechanism.
[0005] The utility model discloses a technical case of needle head alignment correction mechanism, including jig board, install correction unit on the jig board, set up a plurality of glue filling valves above the jig board, the correction unit includes needle head alignment rod, needle rod fixed base, correction mounting seat, first fine adjustment part and second fine adjustment part, first fine adjustment part and second fine adjustment part are arranged at two ends of correction mounting seat respectively, and first fine adjustment part and second fine adjustment part are connected with needle rod fixed base setting, needle head alignment rod is vertically arranged in the middle part of needle rod fixed base.
[0006] Preferably, the first fine adjustment part includes a micrometer, a compression spring and a movable push block, one end of the compression spring is embedded in the correction mounting seat, the other end of the compression spring is connected with one end of the movable push block, the other end of the movable push block passes through the correction mounting seat and is connected with the needle rod fixed base, and the micrometer is arranged in the correction mounting seat, and one end of the micrometer passes through the correction mounting seat and is connected with the other end of the movable push block.
[0007] Preferably, the plurality of glue filling valves are arranged in at least four groups or more, the glue filling valve comprises a rubber tube, a mounting nut, a needle seat and an inclined needle, the needle seat is connected with the bottom end of the rubber tube, and is fastened through the mounting nut, and the fixed end of the inclined needle is arranged in the needle seat.
[0008] Preferably, a lifting unit is arranged below the jig plate, the lifting unit comprises a lifting base, a lifting cylinder, a lifting top rod, a lifting top plate and a lifting limiter, the lifting cylinder is arranged on the lifting base, the lifting limiter is connected with the lifting cylinder, the lifting cylinder is connected with one end of the lifting top rod, the other end of the lifting top rod is vertically connected with the lower surface of the lifting top plate, and the upper surface of the lifting top plate is arranged below the jig plate.
[0009] Preferably, the cross-sectional diameter of the inclined needle head is matched with the inner diameter of the bottom cylinder of the rubber tube.
[0010] Preferably, the center point of the inclined needle head is on the same vertical line with the center point of the inner cylinder of the rubber tube.
[0011] Compared with the prior art, the needle head position is accurate, the structure is compact, the correction data is visualized, and the needle head position deviation correction under the condition of compact space is realized; and the data is visualized, the position alignment correction with high precision can be realized, the needle head needs to be replaced regularly and the rubber road workpiece needs to be cleaned regularly in the glue filling production process, the needle head alignment system of the utility model can quickly align and restore the position of the needle head, can effectively improve the production efficiency, the glue dispensing speed is high, and has good market application value. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is a whole structure schematic view of the utility model;
[0013] Figure 2 It is a correction unit structure schematic view of the utility model;
[0014] Figure 3 It is a first fine adjustment part structure schematic view of the utility model;
[0015] Figure 4 It is a glue filling valve structure schematic view of the utility model.
[0016] Mark: jig plate 1, a plurality of glue filling valves 2, correction unit 3, needle head alignment rod 31, needle rod fixing seat 32, correction mounting seat 33, first fine adjustment part 34, second fine adjustment part 35, micrometer 341, compression spring 342, movable push block 343, rubber tube 21, mounting nut 22, needle head seat 23, inclined needle head 24. DETAILED DESCRIPTION
[0017] It should be noted that the above technical features continue to combine to form various embodiments not listed above, which are considered to be within the scope of the description of the utility model; and for those skilled in the art, the above description can be improved or changed, and all these improvements and changes should belong to the protection scope of the claims of the utility model.
[0018] To facilitate understanding of this utility model, a more detailed description is provided below with reference to the accompanying drawings and specific embodiments. The accompanying drawings show preferred embodiments of this utility model. However, this utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of the disclosure of this utility model.
[0019] It should be noted that when a component is described as being "fixed to" another component, it can be directly attached to the other component or there may be an intervening component. When a component is described as being "connected to" another component, it can be directly connected to the other component or there may be an intervening component. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this specification are for illustrative purposes only.
[0020] Unless otherwise defined, all technical and scientific terms used in this specification have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to limit the scope of the invention.
[0021] The present invention will now be described in detail with reference to the accompanying drawings.
[0022] like Figures 1-4 As shown: A needle alignment correction mechanism includes a fixture plate 1, a correction unit 3 mounted on the fixture plate 1, and a plurality of glue-filling valves 2 disposed above the fixture plate 1. The correction unit 3 includes a needle alignment rod 31, a needle bar fixing seat 32, a correction mounting seat 33, a first fine-tuning part 34 and a second fine-tuning part 35. The first fine-tuning part 34 and the second fine-tuning part 35 are respectively disposed at both ends of the correction mounting seat 33, and both the first fine-tuning part 34 and the second fine-tuning part 35 are connected to the needle bar fixing seat 32. The needle alignment rod 31 is vertically disposed in the middle of the needle bar fixing seat 32.
[0023] Need to explain, by the first fine adjustment 34 and the second fine adjustment 35 work, adjust the first fine adjustment 34 and the second fine adjustment 35 set up on the micrometer 341, movable push block 343 and compression spring 342, forward adjustment micrometer 341 push movable push block 343 forward; When adjusting back, compression spring 342 pushes movable push block 343 back to the differential head of micrometer 341, so as to realize the fine adjustment of movable push block 343, and then realize the fine adjustment of needle head alignment rod 31 position, cooperate with the multiple glue filling valves 2 arranged above to carry out correction work, and the multiple glue filling valves 2 all have detection function, before production, 12 glue filling valves in the equipment first glue out on a detection calibration plate, the equipment industrial camera carries out visual detection on the glue point on the detection plate, the equipment calculates and outputs the deviation value of the glue point and the actual production glue filling position, when the deviation value of a certain point exceeds the control range, the corresponding needle head needs to be corrected.
[0024] For example: the first set of valve needle dotting position, calculate the deviation value△X,△Y, exceed the control range, need to correct the structure.
[0025] First, fix the jig plate 1 in position, and install the needle head alignment system at the first valve position (micrometer 341 installation seat 3 is fixed; the needle rod fixing seat 322 is not fixed); then, rotate the XY direction micrometer 3414, adjust the movable push block 343 in XY direction to the minimum range of micrometer 341, to ensure that it will not affect the preliminary positioning of the needle head position;
[0026] Second, the equipment moves the jig plate 1 with the needle head alignment system installed on it a little bit at a time; During the moving process, align the profiled needle hole in the needle head alignment rod 31 with the inclined needle 24; After the alignment, adjust the XY direction micrometer 341, adjust the movable push block 343 in XY direction forward, until the movable push block 343 contacts the micrometer 341 installation seat; Then, record the first valve position X1, Y1;
[0027] Third, loosen the installation nut 22, so that the needle head seat 23 is in a movable adjustable state; Rotate the XY direction micrometer 341 respectively, adjust the movable push block 343 in XY direction to the distance of deviation value△X,△Y respectively; Then tighten the installation nut 22, fix the needle head seat 23 and the integrated inclined needle 24. At this time, the position of the inclined needle 24 has been adjusted.
[0028] Fourth, the first set of valve needle 24 position correction, the position of the needle rod fixed seat 32 is synchronized to be fixed, thus, the first set of valve needle 24 position has accurate position reference, after that, the production process, the needle 24 replacement of consumables, and the needle seat 23 maintenance cleaning, can refer to the existing reference position quickly restore.
[0029] If other valve position, also have position deviation, repeat the above adjustment steps for adjustment.
[0030] Preferably, the first fine adjustment part 34 includes micrometer 341, compression spring 342 and movable push block 343, one end of the compression spring 342 is embedded in the correction mounting seat 33, the other end of the compression spring 342 is connected with one end of the movable push block 343, the other end of the movable push block 343 is connected with the needle rod fixed seat 32 through the correction mounting seat 33, the micrometer 341 is arranged in the correction mounting seat 33, and one end of the micrometer 341 is connected with the other end of the movable push block 343 through the correction mounting seat 33.
[0031] It should be noted that the movable push block 343 is Z-shaped, when adjusting forward, the micrometer 341 pushes the movable push block 343 forward; when adjusting backward, the compression spring 342 pushes the movable push block 343 backward to the differential head of the micrometer 341, so as to realize the fine adjustment of the movable push block 343, and then realize the fine adjustment of the needle alignment rod 31 position, and cooperate with the multiple glue filling valves 2 arranged above to realize the correction work.
[0032] Further, the second fine adjustment part 35 has the same structure and function as the first fine adjustment part 34.
[0033] Preferably, the multiple glue filling valves are arranged in at least four groups, the glue filling valve includes glue pipe 21, mounting nut 22, needle seat 23 and inclined needle 24, the needle seat 23 is connected with the bottom end of the glue pipe 21, and is fastened through the mounting nut 22, and the fixed end of the inclined needle 24 is arranged in the needle seat 23.
[0034] It should be noted that one group of the glue filling valves is at least three, and four groups are twelve, and twelve are a set.
[0035] Further, the mounting nut 22 is loosened, so that the needle seat 23 is in an active adjustable state; the micrometers 341 in the XY two directions are rotated respectively, so that the movable push blocks 343 in the XY two directions are adjusted respectively to the distance of deviation values ΔX and ΔY; then the mounting nut 22 is tightened, so that the needle seat 23 and the integrated inclined needle 24 are fixed, thus, the position deviation of the inclined needle 24 is adjusted.
[0036] Preferably, the jig plate 1 is provided with a lifting unit below, the lifting unit comprising a lifting base, a lifting cylinder, a lifting top rod, a lifting top plate and a lifting stopper, the lifting cylinder is arranged on the lifting base, the lifting stopper is connected with the lifting cylinder, the lifting cylinder is connected with one end of the lifting top rod, the other end of the lifting top rod is connected with the lower surface of the lifting top plate perpendicularly, and the upper surface of the lifting top plate is arranged below the jig plate 1.
[0037] It should be noted that the lifting cylinder drives the lifting top rod and the lifting top rod to finely adjust the upward movement of the jig plate 1 above, and the lifting stopper is used to limit the lifting angle of the lifting cylinder; the lifting top rod drives the jig plate 1 to finely adjust the upward movement, and in the upward movement process, the profiled needle hole in the needle alignment rod 31 is aligned with the inclined needle 24; after the upward alignment, the micrometer 341 in the XY two directions is adjusted, the movable push block 343 in the XY two directions is adjusted forward until the movable push block 343 contacts and leans against the micrometer 341 mounting seat; then, the first set of valve positions X1, Y1 are recorded.
[0038] Preferably, the cross-sectional diameter of the inclined needle 24 is matched with the inner diameter of the bottom barrel of the rubber tube 21.
[0039] Preferably, the center point of the inclined needle 24 is on the same vertical line with the center point of the inner barrel of the rubber tube 21.
[0040] It should be noted that each of the above technical features continues to be combined, forming various embodiments not listed above, which are all considered to be within the scope of the description of the utility model; and for those skilled in the art, the above description can be improved or changed, and all these improvements and changes should belong to the protection scope of the claims of the utility model.
Claims
1. A needle alignment correction mechanism, characterized by, Including the jig plate, the correction unit is installed on the jig plate, a plurality of glue filling valves are arranged above the jig plate, the correction unit includes a needle alignment rod, a needle rod fixing seat, a correction mounting seat, a first fine adjustment part and a second fine adjustment part, the first fine adjustment part and the second fine adjustment part are arranged at both ends of the correction mounting seat respectively, and the first fine adjustment part and the second fine adjustment part are connected with the needle rod fixing seat, and the needle alignment rod is vertically arranged in the middle part of the needle rod fixing seat.
2. The needle alignment correction mechanism of claim 1, wherein The first fine adjustment part includes a micrometer, a compression spring and a movable push block, one end of the compression spring is embedded in the correction mounting seat, the other end of the compression spring is connected with one end of the movable push block, the other end of the movable push block is connected with the needle rod fixing seat through the correction mounting seat, and the micrometer is arranged in the correction mounting seat, and one end of the micrometer is connected with the other end of the movable push block through the correction mounting seat.
3. The needle alignment correction mechanism of claim 1, wherein A plurality of glue filling valves are arranged in at least four groups, the glue filling valve includes a rubber tube, a mounting nut, a needle seat and an inclined needle, the needle seat is connected with the bottom end of the rubber tube, and is fastened through the mounting nut, and the fixed end of the inclined needle is arranged in the needle seat.
4. The needle alignment correction mechanism of claim 1, wherein A lifting unit is arranged below the jig plate, the lifting unit includes a lifting base, a lifting cylinder, a lifting top rod, a lifting top plate and a lifting limiter, the lifting cylinder is arranged on the lifting base, the lifting limiter is connected with the lifting cylinder, the top end of the lifting cylinder is connected with one end of the lifting top rod, the other end of the lifting top rod is vertically connected with the lower surface of the lifting top plate, and the upper surface of the lifting top plate is arranged below the jig plate.
5. The needle alignment correction mechanism of claim 3, wherein, The cross-sectional diameter of the inclined needle is matched with the inner diameter of the bottom cylinder of the rubber tube.
6. A needle alignment correction mechanism as defined in claim 5, wherein The center point of the inclined needle is on the same vertical line with the center point of the inner cylinder of the rubber tube.