Groove flange drilling positioning clamp

Abstract

The utility model relates to the technical field of groove pipe fitting machining, in particular to a groove flange drilling positioning clamp which comprises a template disc and further comprises a positioning mechanism, the positioning mechanism comprises a bottom plate, an inner diameter sleeve, a sleeve positioning column, a template positioning column, a deslagging guide plate and an electromagnetic assembly, the bottom plate is provided with a deslagging groove, the sleeve positioning column is fixedly connected with the bottom plate, and the template positioning column is fixedly connected with the bottom plate. The template positioning column is fixedly connected with the sleeve positioning column, the inner diameter sleeve is arranged on the outer surface wall of the sleeve positioning column in a sleeving mode, each electromagnetic assembly is fixedly connected with the sleeve positioning column and embedded in the sleeve positioning column, the template disc is arranged on the outer surface wall of the template positioning column in a sleeving mode, and the deslagging guide plate is fixedly connected with the bottom plate. And the deslagging guide plate is communicated with the deslagging groove. According to the groove flange drilling device, groove flanges of various sizes can be positioned and clamped, the drilling efficiency is improved, manual scribing and drilling are not needed, meanwhile, the machining uniformity of groove flange drilling is improved, and the product quality is improved.

Description

Technical Field

[0001] This utility model relates to the field of grooved pipe fitting processing technology, and in particular to a grooved flange drilling positioning fixture. Background Technology

[0002] Currently, flanges are connecting parts between shafts, used for connecting pipe ends or connecting the inlets and outlets of two devices. Flanges have through holes for mounting bolts. In small-batch production of flanges, due to cost considerations, it is not suitable to make drilling jigs. The drilling points can only be found by manually scribing. The operation method is to place a straight plate on the flange and use a scribing gauge to scribe two straight lines at approximately 90° to the flange diameter in two directions to find the center of the flange. Then, continue to scribe the flange equally along these two mutually perpendicular diameters. Finally, measure the distance between the bolt holes along the scribed lines. Alternatively, consult the table of chord length coefficients for calculating the circumference of the circumference in the cutting manual, adjust the scribing gauge to this size, and directly scribe the circumference. Both of these methods are not only complicated to operate and inefficient, but also prone to errors and need improvement.

[0003] The prior art CN209551689U provides a grooved pipe flange drilling positioning fixture, including: a flange, a wing nut, a limit screw, and a guide ruler; the guide ruler is provided with two sets of slidingly fitted clamping blocks, the clamping blocks are provided with limit screws for fixing the clamping blocks, the clamping blocks are provided with two sets of clamping plates for clamping the flange, the guide ruler is provided with a template on its lower side, the template is provided with a punch hole, and the guide ruler is provided with a size scale.

[0004] However, in the existing technology, the drilling method of manually measuring and scribing is prone to large errors in drilling accuracy, which can easily lead to dimensional mismatches during subsequent assembly. Summary of the Invention

[0005] The purpose of this utility model is to provide a grooved flange drilling positioning fixture, which aims to solve the technical problem that the existing method of drilling by manually measuring and scribing has a large error in drilling accuracy, which easily leads to dimensional mismatch during subsequent assembly.

[0006] To achieve the above objectives, this utility model employs a grooved flange drilling positioning fixture, including a template plate and a positioning mechanism. The positioning mechanism includes a base plate, an inner diameter sleeve, a sleeve positioning column, a template positioning column, a slag discharge guide plate, and electromagnetic components. The base plate has a slag discharge groove. The sleeve positioning column is fixedly connected to the base plate and located at the upper end of the base plate. The template positioning column is fixedly connected to the sleeve positioning column and located at the upper end of the sleeve positioning column. The inner diameter sleeve is fitted onto the outer wall of the sleeve positioning column. The electromagnetic components are in multiple sets, each set of which is fixedly connected to the sleeve positioning column and embedded inside the sleeve positioning column. The template plate is fitted onto the outer wall of the template positioning column and located at the upper end of the sleeve positioning column. The slag discharge guide plate is fixedly connected to the base plate and located on the outer wall of the base plate, and the slag discharge guide plate communicates with the slag discharge groove.

[0007] Each set of electromagnetic components includes an insulating cylinder, an electromagnetic coil, a magnetic column, and a magnetic plate. The magnetic column is fixedly connected to the insulating cylinder and located inside the insulating cylinder. The electromagnetic coil is embedded inside the insulating cylinder and sleeved on the outer wall of the magnetic column. The magnetic plate is fixedly connected to the magnetic column and located at the upper end of the magnetic column, and the magnetic plate covers the insulating cylinder.

[0008] The positioning mechanism further includes mounting ears, and there are two sets of mounting ears. The two sets of mounting ears are fixedly connected to the base plate and are located on the outer wall of the base plate. Each set of mounting ears has multiple sets of through holes.

[0009] The positioning mechanism further includes a clamping plate, locking pins, and locking nuts. There are multiple sets of locking pins, each set of which is fixedly connected to the clamping plate and located on one side of the clamping plate. The clamping plate is located at the lower end of the base plate, and each set of locking pins passes through the corresponding through hole. There are multiple sets of locking nuts, each set of which is threadedly connected to the corresponding locking pin and is sleeved on the outer wall of the corresponding locking pin.

[0010] The positioning mechanism further includes a rubber sheet, which is fixedly connected to the clamping plate and located at the upper end of the clamping plate. The upper end of the rubber sheet has multiple sets of grooves.

[0011] This utility model discloses a grooved flange drilling and positioning fixture. A base plate supports a sleeve positioning post, which in turn supports a template positioning post. An electromagnetic component is embedded inside the sleeve positioning post. A suitable inner diameter sleeve is selected based on the inner diameter of the grooved flange, ensuring its outer diameter matches the inner diameter of the flange. After installing the inner diameter sleeve, the grooved flange is fitted onto the outer wall of the inner diameter sleeve. Finally, the template plate is installed onto the outer wall of the template positioning post and placed on top of the inner diameter sleeve and the grooved flange. At the end, the template plate presses down on the grooved flange, and simultaneously energizes multiple sets of electromagnetic components to generate electromagnetic force that fixes the template plate in place. Thus, the template plate cannot move during drilling, and the grooved flange cannot rotate under the pressure of the template plate, thereby fixing the grooved flange. Drilling is then performed using drilling tools through the pre-set holes on the template plate. This structure allows for the positioning and clamping of grooved flanges of various sizes, improving drilling efficiency and eliminating the need for manual marking and drilling. It also improves the uniformity of grooved flange drilling and enhances product quality. Attached Figure Description

[0012] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0013] Figure 1 This is a structural schematic diagram of a grooved flange drilling positioning fixture according to the present invention.

[0014] Figure 2 This is a side view of a grooved flange drilling positioning fixture according to this utility model.

[0015] Figure 3 This is the utility model Figure 2 A cross-sectional view of the internal structure along the AA line.

[0016] Figure 4 This is the utility model Figure 3 Enlarged view of the local structure at point B.

[0017] 101-Template plate, 102-Base plate, 103-Inner diameter sleeve, 104-Sleeve positioning post, 105-Template positioning post, 106-Slag discharge guide plate, 107-Insulating cylinder, 108-Electromagnetic coil, 109-Magnetic guide post, 110-Magnetic guide plate, 111-Mounting lug, 112-Clamping plate, 113-Locking post, 114-Locking nut, 115-Rubber sheet, 116-Slag discharge trough. Detailed Implementation

[0018] Please see Figures 1 to 4 This utility model provides a grooved flange drilling positioning fixture, including a template plate 101 and a positioning mechanism. The positioning mechanism includes a base plate 102, an inner diameter sleeve 103, a sleeve positioning post 104, a template positioning post 105, a slag discharge guide plate 106, and an electromagnetic assembly. The base plate 102 has a slag discharge groove 116. The sleeve positioning post 104 is fixedly connected to the base plate 102 and located at the upper end of the base plate 102. The template positioning post 105 is fixedly connected to the sleeve positioning post 104 and located at the upper end of the sleeve positioning post 104. The inner diameter sleeve 103 is fitted onto the outer wall of the sleeve positioning post 104. The electromagnetic components are in multiple sets, each set of which is fixedly connected to the sleeve positioning post 104 and embedded inside the sleeve positioning post 104. The template plate 101 is fitted onto the outer wall of the template positioning post 105 and is located at the upper end of the sleeve positioning post 104. The slag discharge guide plate 106 is fixedly connected to the bottom plate 102 and is located on the outer wall of the bottom plate 102. The slag discharge guide plate 106 is connected to the slag discharge trough 116.

[0019] In this embodiment, the base plate 102 supports the sleeve positioning post 104, which in turn supports the template positioning post 105. Simultaneously, the electromagnetic component is embedded inside the sleeve positioning post 104. A suitable inner diameter sleeve 103 is selected based on the inner diameter of the grooved flange, ensuring its outer diameter matches the inner diameter of the grooved flange. After installing the inner diameter sleeve 103, the grooved flange is fitted onto the outer wall of the inner diameter sleeve 103, and finally, the template plate 101 is installed onto the template positioning post 105. The outer wall of the template plate 101 is placed on the upper end of the inner diameter sleeve 103 and the grooved flange. The template plate 101 presses the grooved flange, and at the same time, multiple sets of electromagnetic components are energized to generate electromagnetic force to fix the template plate 101. In this way, the template plate 101 cannot move during the drilling process, and the grooved flange cannot rotate under the pressure of the template plate 101, thus completing the fixation of the grooved flange. Then, drilling is performed using drilling tools through the pre-set holes on the template plate 101, and the slag discharge trough 116 and the slag discharge guide plate 106 discharge the processing debris.

[0020] Furthermore, each set of electromagnetic components includes an insulating cylinder 107, an electromagnetic coil 108, a magnetic post 109, and a magnetic plate 110. The magnetic post 109 is fixedly connected to the insulating cylinder 107 and is located inside the insulating cylinder 107. The electromagnetic coil 108 is embedded inside the insulating cylinder 107 and is sleeved on the outer wall of the magnetic post 109. The magnetic plate 110 is fixedly connected to the magnetic post 109 and is located at the upper end of the magnetic post 109, and the magnetic plate 110 covers the insulating cylinder 107.

[0021] In this embodiment, the electromagnetic column and the electromagnetic coil 108 are installed through the insulating cylinder 107. At the same time, the insulating cylinder 107 has an insulating effect to avoid affecting the sleeve positioning column 104. The electromagnetic coil 108 is energized, thereby causing the magnetic column 109 to generate electromagnetic force, which is then transmitted to the magnetic plate 110. The template disk 101 is magnetically attracted and adsorbed through the magnetic plate 110.

[0022] Furthermore, the positioning mechanism also includes mounting ears 111, and there are two sets of mounting ears 111. The two sets of mounting ears 111 are fixedly connected to the base plate 102 and are located on the outer wall of the base plate 102 respectively. Each set of mounting ears 111 has multiple sets of through holes.

[0023] In this embodiment, the mounting lug 111 facilitates the installation of the base plate 102, thereby making it easier to fix the clamp to the required position.

[0024] Furthermore, the positioning mechanism also includes a clamping plate 112, locking pins 113, and locking nuts 114. There are multiple sets of locking pins 113, each set of locking pins 113 is fixedly connected to the clamping plate 112 and is located on one side of the clamping plate 112. The clamping plate 112 is disposed at the lower end of the base plate 102, and each set of locking pins 113 passes through the corresponding through hole. There are multiple sets of locking nuts 114, each set of locking nuts 114 is threadedly connected to the corresponding locking pin 113 and is sleeved on the outer wall of the corresponding locking pin 113.

[0025] In this embodiment, the clamping plate 112 is placed at the lower end of the base plate 102, and each set of locking pins 113 passes through the corresponding through hole and is threadedly connected to the corresponding locking nut 114. In this way, the base plate 102 can be fixed by clamping. Two fixing methods can be used to improve the diversity and flexibility of the clamp.

[0026] Furthermore, the positioning mechanism also includes a rubber sheet 115, which is fixedly connected to the clamping plate 112 and located at the upper end of the clamping plate 112, and the upper end of the rubber sheet 115 has multiple sets of grooves.

[0027] In this embodiment, during clamping and fixing, the rubber sheet 115 provides anti-slip function for the clamping plate 112. At the same time, the surface roughness of the rubber sheet 115 can be improved by multiple sets of grooves, thereby effectively improving the anti-slip performance and shock absorption performance, and effectively improving the stability of the clamp during use.

[0028] The above-disclosed embodiments are merely preferred embodiments of the present utility model and should not be construed as limiting the scope of the present utility model. Those skilled in the art can understand that implementing all or part of the above-described embodiments and making equivalent changes in accordance with the claims of the present utility model are still within the scope of the utility model.

Claims

1. A trench flange drilling positioning jig comprising a template disc, characterized in that, It further comprises a positioning mechanism; The positioning mechanism comprises a base plate, an inner diameter sleeve, a sleeve positioning column, a template positioning column, a slag guide plate and an electromagnetic assembly, the base plate has a slag groove, the sleeve positioning column is fixedly connected with the base plate and located at the upper end of the base plate, the template positioning column is fixedly connected with the sleeve positioning column and located at the upper end of the sleeve positioning column, the inner diameter sleeve is sleeved on the outer wall of the sleeve positioning column, the electromagnetic assembly is multiple groups, each group of the electromagnetic assembly is respectively fixedly connected with the sleeve positioning column and respectively embedded in the inside of the sleeve positioning column, the template disc is sleeved on the outer wall of the template positioning column and located at the upper end of the sleeve positioning column, the slag guide plate is fixedly connected with the base plate and located on the outer wall of the base plate, and the slag guide plate is communicated with the slag groove.

2. The trench flange drilling positioning jig according to claim 1, characterized in that, Each group of the electromagnetic assembly comprises an insulating cylinder, an electromagnetic coil, a magnetic conducting column and a magnetic conducting plate, the magnetic conducting column is fixedly connected with the insulating cylinder and located in the inside of the insulating cylinder, the electromagnetic coil is embedded in the inside of the insulating cylinder and sleeved on the outer wall of the magnetic conducting column, the magnetic conducting plate is fixedly connected with the magnetic conducting column and located at the upper end of the magnetic conducting column, and the magnetic conducting plate covers the insulating cylinder.

3. The trench flange drilling positioning jig according to claim 1, characterized in that, The positioning mechanism further comprises mounting lugs, the number of the mounting lugs is two groups, two groups of the mounting lugs are respectively fixedly connected with the base plate and respectively located on the outer wall of the base plate, and each group of the mounting lugs respectively has multiple through holes.

4. The trench flange drilling positioning jig according to claim 3, characterized in that, The positioning mechanism further comprises a clamping plate, locking columns and locking nuts, the number of the locking columns is multiple groups, each group of the locking columns is respectively fixedly connected with the clamping plate and respectively located on one side of the clamping plate, the clamping plate is arranged at the lower end of the base plate, and each group of the locking columns respectively penetrates through the corresponding through hole, the number of the locking nuts is multiple groups, each group of the locking nuts is respectively threadedly connected with the corresponding locking column and sleeved on the outer wall of the corresponding locking column.

5. The trench flange drilling positioning jig according to claim 4, characterized in that, The positioning mechanism further comprises a rubber sheet, the rubber sheet is fixedly connected with the clamping plate and located at the upper end of the clamping plate, and the upper end of the rubber sheet has multiple embedding grooves.

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