Automatic sand blasting device
By incorporating a brush structure and internal and external sandblasting components into an automatic sandblasting device, combined with the rotation of the turntable and the movement of the sandblasting pipe, the problem of internal and external sandblasting of pipe fittings is solved, achieving convenient loading and unloading and uniform sandblasting, and protecting the internal threads of thin-walled pipe fittings.
Patent Information
- Application Number
- CN202423271868.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-28
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-28
AI Technical Summary
Existing automatic sandblasting equipment cannot effectively sandblast the inside of pipe fittings, and the frequent opening and closing of the door makes it inconvenient to load and unload materials. Sandblasting the inside and outside of thin-walled pipe fittings can easily damage the internal threads, and aluminum materials are easily deformed, resulting in uneven sandblasting on the outer surface.
A brush structure was designed at the loading and unloading gates, which, together with the internal and external sandblasting components, enables synchronous sandblasting of the pipe fittings inside and out through the rotation of the turntable and the vertical movement of the sandblasting pipe; a protective sleeve protects the internal threads at the end of the thin-walled pipe fittings, and a T-shaped protective cover seals the lower end of the pipe fittings.
It enables simultaneous sandblasting of the inside and outside of pipe fittings, preventing abrasive splashing, protecting the internal threads of thin-walled pipe fittings, ensuring uniform sandblasting, and facilitating the loading and unloading of workpieces.
Smart Images
Figure CN223589150U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to sand blasting equipment technical field especially points to a kind of automatic sand blasting device. BACKGROUND
[0002] The existing automatic sand blasting chamber mainly carries out the external sand blasting treatment of product, cannot carry out sand blasting to the inside of product, especially long pipe, how to effectively sand blast the inside of pipe is the problem to be solved.In order to avoid abrasive splashing during sand blasting, a door body is usually provided to be opened and closed, but frequent starting of the door body is not convenient for feeding and discharging.
[0003] In addition, for the sand blasting treatment of tubular or cylindrical products, the inside and outside of some thin-walled pipes need to be sand blasted, but the upper and lower ends of the thin-walled pipes are provided with internal threads, which need to be protected, otherwise the internal threads can be easily damaged by sand blasting. Some cylindrical products have large differences in structure and size, and are easy to deform due to aluminum material, and require uniform sand blasting on the outer surface and no sand blasting on the inner surface. Corresponding tooling mechanisms are required to successfully complete automatic sand blasting without damaging the products. SUMMARY
[0004] The utility model provides a kind of automatic sand blasting device, the setting of brush at feeding door and discharging door is convenient for the feeding and discharging of workpiece, and abrasive is not easy to splash;Through the cooperation of inner sand blasting assembly and outer sand blasting assembly, the pipe that needs to be sand blasted inside and outside can be processed synchronously.
[0005] The technical scheme of the utility model is as follows: an automatic sand blasting device includes an automatic sand blasting chamber, a feeding and discharging station is arranged on one side of the automatic sand blasting chamber, a feeding door is arranged on one side of the feeding and discharging station, and a discharging door is arranged on the other side. Two vertical brushes are arranged at the feeding door and the discharging door, the bristles of the two brushes abut each other, a revolving turntable is arranged at the feeding and discharging station, support seats that revolve are uniformly distributed around the turntable, a detachable tooling mechanism is arranged on the support seat, an inner sand blasting assembly and an outer sand blasting assembly are arranged in the automatic sand blasting chamber, the outer sand blasting assembly is located outside the turntable, and the inner sand blasting assembly is located above the tooling mechanism.
[0006] Further, the inner sand blasting assembly includes a sand blasting pipe and a guide assembly, the guide assembly is arranged on the top of the automatic sand blasting chamber, the sand blasting pipe moves vertically along the guide assembly, a sand blasting head is arranged at the lower end of the sand blasting pipe, and sand outlets are arranged on both sides of the sand blasting head.
[0007] Further, the tooling mechanism includes a bottom plate, the bottom plate is connected to the support seat by bolts, a lower protective sleeve is arranged at the upper end of the bottom plate, a support frame is arranged on the outer side of the lower protective sleeve, an upper protective sleeve that vertically slides is arranged at the upper end of the support frame, and the upper protective sleeve and the lower protective sleeve are coaxially arranged.
[0008] Further, the tooling mechanism comprises a base connected with the supporting seat by bolts, an upper end of the base is provided with a threaded stud, and an upper end of the threaded stud is provided with a detachable T-shaped protective cover.
[0009] Further, the T-shaped protective cover is slidably sleeved on the threaded stud, and a nut is screwed on the threaded stud at an upper side of the T-shaped protective cover.
[0010] Further, an annular positioning groove is arranged at the upper end of the base.
[0011] Further, the guiding assembly comprises a bracket fixed to a top of the automatic sand blasting chamber, a plurality of roller sets are arranged vertically on the bracket, each roller set comprises two parallel arranged rollers, and the sand blasting pipe passes through between the two rollers.
[0012] Further, vertical lifting door bodies are further arranged at outer sides of the feeding door and the discharging door, and the door bodies can be lowered when the automatic sand blasting chamber needs to be closed.
[0013] The beneficial effects of the present application are as follows:
[0014] Through the arrangement of the turntable, the workpiece is sent from the feeding door to the sand blasting station of the automatic sand blasting chamber, the workpiece is driven to rotate circumferentially through the self-rotation of the supporting seat, and uniform sand blasting is ensured, and the arrangement of the brushes at the feeding door and the discharging door blocks the spatter of the abrasive on one hand, and sweeps the outer surface of the workpiece on the other hand, while not affecting the feeding and discharging of the workpiece, thereby facilitating the feeding and discharging of the workpiece.
[0015] The sand blasting pipe of the internal sand blasting assembly is limited to move vertically through the guiding assembly, and is convenient to enter the pipe for sand blasting. Through the cooperation of the internal sand blasting assembly and the external sand blasting assembly, the pipe which needs to be blasted internally and externally can be processed synchronously.
[0016] For the thin-walled pipe which needs to be blasted internally and externally, the upper protective sleeve and the lower protective sleeve can be used for positioning, and the upper protective sleeve and the lower protective sleeve can also protect the internal thread at the end of the thin-walled pipe, so that the internal thread is not damaged by sand blasting.
[0017] For the pipe which only needs to be blasted externally, the pipe can be fixed through the base and the T-shaped protective cover, meanwhile, the lower end of the pipe is closed by the base, and the lower end of the pipe is closed by the T-shaped protective cover, so as to avoid affecting the inside of the pipe. BRIEF DESCRIPTION OF DRAWINGS
[0018] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creating laborious work.
[0019] Figure 1 It is a structural schematic view of the utility model;
[0020] Figure 2 It is a structural schematic view of the discharge door;
[0021] Figure 3 It is a front view of the tooling mechanism of example 2;
[0022] Figure 4 It is a top view of the tooling mechanism of example 2;
[0023] Figure 5 It is a front view of the tooling mechanism of example 3;
[0024] Figure 6 It is a top view of the tooling mechanism of example 3.
[0025] Automatic sand blasting chamber 1, up and down material loading station 2, material loading door 3, discharge door 4, brush 5, door body 6, rotating disc 7, support seat 8, synchronous belt 9, inner sand blasting pipe 10, support 11, roller 12, inner sand blasting head 13, sand outlet 14, bottom plate 15, lower protective sleeve 16, vertical cylinder 17, screw 18, reinforcing ring 19, positioning ring 20, upper protective sleeve 21, base 22, annular positioning groove 23, stud 24, T-shaped protective cover 25, nut 26. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0027] Example 1
[0028] As shown in the drawings, Figures 1-2 An automatic sand blasting device, comprising an automatic sand blasting chamber 1, one side of the automatic sand blasting chamber 1 is provided with an up and down material loading station 2, one side of the up and down material loading station 2 is provided with a material loading door 3, and the other side is provided with a discharge door 4, two vertical brushes 5 are arranged at the material loading door 3 and the discharge door 4, the bristles of the two brushes 5 are arranged in abutment, that is, the two brushes 5 form a door curtain, which facilitates the workpiece to enter the material loading door 3 and be transferred out through the discharge door 4, and the brushes 5 can also clean the surface of the workpiece. The outer side of the material loading door 3 and the discharge door 4 is also provided with a vertically lifting door body 6, the door body 6 is controlled to lift or lower through a hydraulic cylinder or a pneumatic cylinder, and if it is necessary to close the material loading door 3 and the discharge door 4, the door body 6 can be controlled to lower.
[0029] As shown in the drawings, Figure 1 ,3 As shown in FIGS. 1 and 4, the upper and lower material loading and unloading stations 2 are provided with a revolving turntable 7 driven to rotate by a top cam divider (not shown in the figure), and the turntable 7 is provided with revolving support seats 8 evenly distributed in the circumferential direction. The support seats 8 are support gears, and the outer sides of all the support gears are sleeved with a synchronous belt 9, and all the support gears are in mesh with the inner side of the synchronous belt 9. The inner and outer sides of the synchronous belt 9 are provided with teeth, the outer side of the synchronous belt 9 is in mesh with a transmission gear (not shown in the figure) driven by a speed reducer, the synchronous belt 9 is driven to move by the speed reducer and the transmission gear, and the synchronous belt 9 drives the support gears to revolve. The top cam divider and the speed reducer are existing devices.
[0030] The support seats 8 are provided with detachable tooling mechanisms, and the workpieces are fixed by the tooling mechanisms to facilitate subsequent sand blasting of the workpieces. The automatic sand blasting chamber 1 is provided with an inner sand blasting assembly and an outer sand blasting assembly. The outer sand blasting assembly includes an outer sand blasting pipe and an outer sand blasting head, and is located outside the turntable 7. The outer sand blasting assembly performs sand blasting treatment on the outer side of the workpiece.
[0031] The inner sand blasting assembly is located above the tooling mechanisms, and includes an inner sand blasting pipe 10 and a guide assembly. The guide assembly includes a bracket 11 fixed to the top of the automatic sand blasting chamber 1, and a plurality of roller sets are installed on the bracket 11 in the vertical direction. Each roller set includes two parallel rollers 12, and the inner sand blasting pipe 10 vertically passes between the two rollers 12. The lower end of the inner sand blasting pipe 10 is connected with an inner sand blasting head 13, and the two sides of the inner sand blasting head 13 are provided with sand outlets 14. The vertical lifting structure of the inner sand blasting assembly and the outer sand blasting assembly is prior art, which can be controlled to lift by a hydraulic cylinder or an air cylinder, etc.
[0032] The use method of the automatic sand blasting device is as follows: at the upper and lower material loading and unloading stations, the workpiece is installed on the tooling mechanism, the turntable 7 revolves, and the workpiece is rotated to the sand blasting station for sand blasting. If only the outer part of the workpiece needs to be sand blasted, the outer sand blasting assembly is started, the support seat 8 drives the workpiece to revolve by the tooling mechanism, and the outer sand blasting assembly performs sand blasting on the outer part of the workpiece.
[0033] If the inner part and the outer part of the workpiece need to be sand blasted, the inner sand blasting head 13 is vertically moved to perform inner wall sand blasting, and the outer sand blasting head is vertically moved to perform sand blasting on the outer part of the workpiece. During the sand blasting process, the support seat 8 drives the workpiece to revolve to ensure uniform sand blasting on the inner and outer sides.
[0034] Embodiment 2
[0035] This embodiment is basically the same as Embodiment 1, except that Figure 3 and 4As shown, the tooling mechanism includes a base plate 15, which is bolted to a support seat 8. A lower protective sleeve 16 is fixed to the upper end of the base plate 15, and a support frame is fixed to the outer side of the lower protective sleeve 16. The support frame includes support rods evenly distributed around the base plate 15. The gap between adjacent support rods is larger than the outer diameter of the pipe fitting, which facilitates the pipe fitting to pass through the gap between adjacent support rods, thereby facilitating the loading and unloading of the pipe fitting.
[0036] The support rod includes a vertical cylinder 17, the lower end of which is fixed to the base plate 15, and the upper end is screwed with a screw rod 18. The screw rod 18 is coaxially arranged with the vertical cylinder 17, and the tops of all the screw rods 18 are connected by a reinforcing ring 19. A positioning ring 20 is coaxially arranged below the reinforcing ring 19, and the edge of the positioning ring 20 is slidably connected to the screw rod 18. An upper protective sleeve 21 is fixed on the positioning ring 20, and the upper protective sleeve 21, the positioning ring 20, and the lower protective sleeve 16 are coaxially arranged.
[0037] The tooling mechanism is used as follows: Move the upper protective sleeve 21 upwards and insert it into the upper end of the pipe fitting. Then, fit the lower end of the pipe fitting onto the outside of the lower protective sleeve 16. The upper protective sleeve 21 protects the inner wall of the upper end of the pipe fitting, and the lower protective sleeve 16 protects the inner wall of the lower end of the pipe fitting.
[0038] Example 3
[0039] This embodiment is basically the same as Embodiment 1, except that, as Figure 5 and 6 As shown, the tooling mechanism includes a base 22, an annular positioning groove 23 is provided at the upper end of the base 22, and fixing holes are evenly distributed around the annular positioning groove 23. The fixing holes are bolted to the support base 8. A vertical stud 24 is screwed to the upper end of the base 22. A T-shaped protective cover 25 is slidably fitted on the upper end of the stud 24. A nut 26 is screwed onto the stud 24 on the upper side of the T-shaped protective cover 25. The nut 26 is a wing nut 26.
[0040] The tooling mechanism is used as follows: place the lower end of the workpiece in the annular positioning groove 23, then place the upper end of the T-shaped environmental protection cover on the upper end of the workpiece, and then tighten the nut 26.
[0041] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. An automated sandblasting apparatus comprising an automated sandblasting chamber, characterized in that: One side of the automatic sand blasting chamber is provided with an upper and lower material loading and unloading station, one side of the upper and lower material loading and unloading station is provided with a material loading door, the other side is provided with a material discharging door, two vertical brushes are arranged at the material loading door and the material discharging door, the bristles of the two brushes abut, a revolving turntable is arranged at the upper and lower material loading and unloading station, the turntable is uniformly provided with a rotating support seat along the circumference, the support seat is provided with a detachable tooling mechanism, an inner sand blasting assembly and an outer sand blasting assembly are arranged in the automatic sand blasting chamber, the outer sand blasting assembly is located outside the turntable, and the inner sand blasting assembly is located above the tooling mechanism.
2. An automatic sandblasting device according to claim 1, characterized in that: The inner sand blasting assembly comprises a sand blasting pipe and a guide assembly, the guide assembly is arranged at the top of the automatic sand blasting chamber, the sand blasting pipe moves vertically along the guide assembly, the lower end of the sand blasting pipe is provided with a sand blasting head, and both sides of the sand blasting head are provided with sand outlets.
3. An automatic sandblasting device according to claim 1 or 2, characterized in that: The tooling mechanism comprises a bottom plate, the bottom plate is bolted to the support seat, the upper end of the bottom plate is provided with a lower protective sleeve, the outer side of the lower protective sleeve is provided with a support frame, the upper end of the support frame is provided with a vertically sliding upper protective sleeve, and the upper protective sleeve and the lower protective sleeve are coaxially arranged.
4. An automatic sandblasting device according to claim 1, characterized in that: The tooling mechanism comprises a base, the base is bolted to the support seat, the upper end of the base is provided with a threaded stud, and the upper end of the threaded stud is provided with a detachable T-shaped protective cover.
5. An automatic sand blasting apparatus according to claim 4, wherein: The T-shaped protective cover is slidably sleeved on the threaded stud, and a nut is screwed on the threaded stud on the upper side of the T-shaped protective cover.
6. An automatic sand blasting apparatus according to claim 4 or 5, wherein: The upper end of the base is provided with an annular positioning groove.
7. An automatic sand blasting apparatus according to claim 2, wherein: The guide assembly comprises a bracket, the bracket is fixed to the top of the automatic sand blasting chamber, a plurality of roller groups are arranged vertically on the bracket, each roller group comprises two parallel rollers, and the sand blasting pipe passes through between the two rollers.
8. An automatic sandblasting device according to claim 1, characterized in that: The outer side of the material loading door and the material discharging door is further provided with a vertically lifting door body.