CN218781755U

CN218781755U - Contour measurement projector

Info

Publication number: CN218781755U
Application number: CN202222367379.2U
Authority: CN
Inventors: 张小磊; 魏浩武; 张启才
Original assignee: Suzhou Hanjun Intelligent Technology Co ltd
Current assignee: Suzhou Hanjun Intelligent Technology Co ltd
Priority date: 2022-09-06
Filing date: 2022-09-06
Publication date: 2023-03-31
Anticipated expiration: 2032-09-06

Abstract

The utility model discloses a contour measurement projector, which is applied to the technical field of measuring equipment, the utility model discloses a rotating fastening bolt to move upwards, thereby enabling a slide bar to slide in the interior of a movable block, thereby enabling a vertically smaller and independent clamping contact to support against the outer wall of a workpiece, then reversely rotating the fastening bolt again to fix the slide bar, realizing that the workpiece can be quickly fixed, reducing the shielding on the outer wall of the workpiece, and improving the measuring efficiency and precision; the movable block is manually controlled to slide in the positioning ring according to the appearance of the workpiece, so that the clamping contact can be attached to the outer wall of the workpiece more perfectly, the effect of clamping irregular workpieces is achieved, and the stability of the workpiece when clamped is improved.

Description

Contour measurement projector

Technical Field

The utility model belongs to the technical field of measuring equipment, in particular to profile measurement projecting apparatus.

Background

The measuring projector is also called optical projection detector or optical projection comparator, and is a measuring instrument which utilizes the principle of optical projection to project the contour or table-form machine of the workpiece to be measured on the observation screen for measurement or comparison, and can effectively detect the contour and surface shape of various workpieces with complex shapes, and is mainly formed from three large portions of projection box, main shell and working table.

Currently, the announcement number is: CN 208780126U's chinese utility model discloses a profile measurement projecting apparatus, including horizontal gliding workstation, be located the magnifying objective of workstation top, be located the workstation and towards the light source of magnifying objective illuminating beam and show the projection screen that the magnifying objective becomes the figure, the mark has the standard line on the projection screen, be equipped with the centre gripping subassembly on the workstation, the centre gripping subassembly includes the holding rod of at least three vertical settings and drives the driving piece that the holding rod is close to or keeps away from the light source center along the horizontal direction, it is less than 180 to state the horizontal line inter-line contained angle of holding rod to the light source mid point mutually. The part to be measured is clamped through the clamping rods, so that the side wall of the part to be measured is in a vertical state, the image at the projection position matched with the magnifying objective through the light source is the planar orthographic projection of the part to be measured, the projected image is high in precision, and the precision is high when the thickness and other dimensions are measured.

Above-mentioned practical defect lies in that the profile measurement projecting apparatus uses the screw to carry out the centre gripping to the work piece, rotates the screw too wasted time to unable adjustment fixture's position can't carry out the centre gripping to some anomalous work pieces, and uses the grip block can block more work piece outer wall, influences and measures the precision, for this reason we provide a profile measurement projecting apparatus.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a to current device a contour measurement projecting apparatus, its advantage is can carry out the centre gripping to the work piece fast, but some irregular work pieces of centre gripping simultaneously to reduce sheltering from to the work piece outer wall.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a contour measurement projecting apparatus, includes projecting apparatus screen frame and installs the connecting block between projecting apparatus screen frame and install the imaging plate inside the centre gripping platform in addition, the top of frame and the bottom welding of centre gripping platform, the top welding of centre gripping platform has the location ring, the top of location ring is provided with the movable block, the bottom welding of movable block has the guide block with location ring sliding connection, sliding connection has the slide bar through the inside of movable block, one side welding that the slide bar is close to the imaging plate has the centre gripping contact, the top threaded connection of movable block has the fastening bolt with the slide bar joint.

Adopt above-mentioned technical scheme: move upwards through rotating fastening bolt to make the slide bar slide in the inside of movable block, thereby make perpendicular less and independent centre gripping contact can support the outer wall of work piece, then reverse rotation fastening bolt once more with the slide bar fixed can, slide in the inside of location ring through according to work piece appearance manual control movable block, thereby the outer wall of laminating the work piece that the centre gripping contact that makes can be more perfect.

The utility model discloses further set up to, the both sides welding of movable block has the backup pad with slide bar sliding connection.

Adopt above-mentioned technical scheme: the sliding rod can be supported when sliding, and the vertical angle of the clamping contact is guaranteed.

The utility model discloses further set up to, the backup pad is kept away from the one end welding of location ring and is had the burden pouring weight.

Adopt above-mentioned technical scheme: the balance of the sliding rod can be kept, and the clamping contact is prevented from inclining.

The utility model discloses further set up to, the inside of connecting block is provided with objective, objective's surperficial joint has a screw thread section of thick bamboo with connecting block threaded connection, the bottom welding of a screw thread section of thick bamboo has the drive knob, objective's surface cover is stained with the focus control ring.

Adopt above-mentioned technical scheme: the driving knob is rotated to control the threaded cylinder to drive the objective lens to be adjusted up and down, and the focusing point of the objective lens is adjusted by rotating the focusing control ring.

The utility model discloses further set up to, the inside of projecting apparatus screen frame rotates respectively through the bearing and is connected with the gear and connects the gear, the positive welding of gear has the imaging screen, the positive welding of connecting the gear has control knob, the gear and the surface intermeshing who connects the gear.

Adopt above-mentioned technical scheme: reached and to have made gear and connection gear intermeshing through rotating control knob to control the formation of image screen and rotate, be convenient for more observe the formation of image.

The utility model discloses further set up to, projector screen frame's front bolt has connect the light screen that uses with the formation of image screen cooperation.

Adopt above-mentioned technical scheme: can carry out the shading to the formation of image screen, make and watch more clear.

The utility model discloses further set up to, the inside of frame is rotated respectively through the bearing and is had horizontal threaded rod and longitudinal screw, the surface of horizontal threaded rod and longitudinal screw has the bottom welded horizontal thread bush and the longitudinal screw of having with the centre gripping platform respectively threaded connection, horizontal threaded rod and longitudinal screw have welded horizontal adjustment handle and longitudinal screw respectively near the outside one end of frame, the spout with horizontal threaded rod and longitudinal screw sliding connection is seted up on the surface of frame.

Adopt above-mentioned technical scheme: the horizontal and longitudinal positions of the workpiece on the top of the machine base can be adjusted by rotating the horizontal adjusting handle or the longitudinal adjusting handle, so that different positions of the workpiece can be observed conveniently.

The utility model discloses further set up to, the four corners of frame bottom all bonds and has the cushion.

Adopt above-mentioned technical scheme: the stability of the whole structure of the projector can be improved.

To sum up, the utility model discloses following beneficial effect has:

1. the fastening bolt is rotated to move upwards, so that the sliding rod can slide in the movable block, the outer wall of the workpiece can be abutted by the vertically small independent clamping contact, and then the fastening bolt is rotated reversely to fix the sliding rod, so that the workpiece can be fixed quickly, the shielding on the outer wall of the workpiece is reduced, and the measuring efficiency and precision are improved;

2. through sliding in the inside of location ring according to work piece appearance manual control movable block to the outer wall of laminating the work piece that makes can be more perfect of centre gripping contact, reached the effect that can the centre gripping of some irregular work pieces, thereby stability when having increased the work piece by the centre gripping.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a front sectional view of the present invention;

fig. 3 is an enlarged view of fig. 1 at a in the present invention;

fig. 4 is an enlarged view of fig. 2B.

Reference numerals are as follows: 1. a projector screen frame; 2. a machine base; 3. connecting blocks; 4. a clamping platform; 5. positioning the circular ring; 6. a movable block; 7. a guide block; 8. a slide bar; 9. fastening a bolt; 10. clamping the contact; 11. an imaging plate; 12. a support plate; 13. a negative weight block; 14. a gear; 15. a connecting gear; 16. an imaging screen; 17. a control knob; 18. a visor; 19. an objective lens; 20. a threaded barrel; 21. a drive knob; 22. a focus control loop; 23. a transverse threaded sleeve; 24. a longitudinal thread bushing; 25. a transverse threaded rod; 26. a longitudinal threaded rod; 27. a lateral adjustment handle; 28. a longitudinal adjustment handle; 29. a chute; 30. and a cushion block.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1:

referring to fig. 2 to 4, a profile measuring projector includes a projector screen frame 1, a base 2, a connecting block 3 installed between the projector screen frame 1 and the base 2, and an imaging plate 11 installed inside a clamping platform 4, an objective lens 19 is installed inside the connecting block 3, a threaded cylinder 20 in threaded connection with the connecting block 3 is clamped on the surface of the objective lens 19, a driving knob 21 is welded at the bottom of the threaded cylinder 20, a focusing control ring 22 is adhered on the surface of the objective lens 19, a gear 14 and a connecting gear 15 are respectively rotatably connected inside the projector screen frame 1 through bearings, an imaging screen 16 is welded on the front of the gear 14, a control knob 17 is welded on the front of the connecting gear 15, the gear 14 and the connecting gear 15 are engaged with each other, a light shielding plate 18 used in cooperation with the imaging screen 16 is bolted on the front of the projector screen frame 1, the top of the base 2 is welded with the bottom of the clamping platform 4, cushion blocks 30 are bonded to four corners of the bottom of the machine base 2, positioning rings 5 are welded to the top of the clamping platform 4, movable blocks 6 are arranged on the top of the positioning rings 5, supporting plates 12 which are connected with the sliding rods 8 in a sliding mode are welded to two sides of each movable block 6, guide blocks 7 which are connected with the positioning rings 5 in a sliding mode are welded to the bottom of each movable block 6, transverse threaded rods 25 and longitudinal threaded rods 26 are connected to the inside of the machine base 2 in a rotating mode through bearings respectively, transverse threaded sleeves 23 and longitudinal threaded sleeves 24 which are connected with the bottom of the clamping platform 4 in a threaded mode are connected to the surfaces of the transverse threaded rods 25 and the longitudinal threaded rods 26 in a threaded mode respectively, transverse adjusting handles 27 and longitudinal adjusting handles 28 are welded to one ends, close to the outside of the machine base 2, sliding chutes 29 which are connected with the transverse threaded rods 25 and the longitudinal threaded rods 26 in a sliding mode are formed by the fact that the transverse adjusting handles 27 or the longitudinal adjusting handles are rotated 28, the transverse and longitudinal positions of the workpiece at the top of the machine base 2 can be adjusted, so that different positions of the workpiece can be observed conveniently, the cushion blocks 30 are bonded at four corners of the bottom of the machine base 2, and the stability of the overall structure of the projector can be improved.

The using process is briefly described as follows: the fastening bolt 9 is rotated to move upwards, so that the sliding rod 8 can slide in the movable block 6, the outer wall of the workpiece can be abutted by the vertically small independent clamping contact 10, and then the fastening bolt 9 is rotated reversely again to fix the sliding rod 8.

Example 2.

Referring to fig. 1-4, a projector for measuring profile, including projector screen frame 1 and frame 2, sliding connection has been run through to the inside of movable block 6 has slide bar 8, slide bar 8 has centre gripping contact 10 near the welding of one side of formation of image board 11, the top threaded connection of movable block 6 has fastening bolt 9 with slide bar 8 joint, the welding of the both sides of movable block 6 has backup pad 12 with slide bar 8 sliding connection, reached and supported when can sliding slide bar 8, guarantee the vertical angle of centre gripping contact 10, the one end welding that location ring 5 was kept away from to backup pad 12 has negative weight 13, reached and to keep balance slide bar 8, prevent that centre gripping contact 10 from appearing the slope.

Brief description of the use process: the movable block 6 is manually controlled to slide in the positioning ring 5 according to the shape of the workpiece, so that the clamping contact 10 can be attached to the outer wall of the workpiece more perfectly.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a contour measurement projecting apparatus, includes projecting apparatus screen frame (1) and frame (2) and installs connecting block (3) between projecting apparatus screen frame (1) and frame (2) and install in inside formation of image board (11) of centre gripping platform (4) in addition, its characterized in that: the top of frame (2) and the bottom welding of centre gripping platform (4), the top welding of centre gripping platform (4) has location ring (5), the top of location ring (5) is provided with movable block (6), the bottom welding of movable block (6) has guide block (7) with location ring (5) sliding connection, sliding connection has slide bar (8) to run through the inside of movable block (6), one side welding that slide bar (8) are close to imaging plate (11) has centre gripping contact (10), the top threaded connection of movable block (6) has fastening bolt (9) with slide bar (8) joint.

2. A profile measuring projector according to claim 1, wherein: and supporting plates (12) which are connected with the sliding rod (8) in a sliding manner are welded on two sides of the movable block (6).

3. A profile measuring projector according to claim 2, wherein: and a negative weight (13) is welded at one end of the support plate (12) far away from the positioning circular ring (5).

4. A profile measuring projector according to claim 1, wherein: the inside of connecting block (3) is provided with objective (19), the surperficial joint of objective (19) has a screw thread section of thick bamboo (20) with connecting block (3) threaded connection, the bottom welding of a screw thread section of thick bamboo (20) has drive knob (21), the surface cover of objective (19) is stained with focus control ring (22).

5. A profile measuring projector according to claim 1, wherein: the inside of projecting apparatus screen frame (1) rotates respectively through the bearing and is connected with gear (14) and connecting gear (15), the front welding of gear (14) has imaging screen (16), the front welding of connecting gear (15) has control knob (17), the surface intermeshing of gear (14) and connecting gear (15).

6. A profile measuring projector according to claim 5, wherein: and a light shielding plate (18) matched with the imaging screen (16) is bolted to the front surface of the projector screen frame (1).

7. A profile measuring projector according to claim 1, wherein: even have horizontal threaded rod (25) and longitudinal threaded rod (26) through the bearing rotation respectively in the inside of frame (2), there are horizontal thread bush (23) and longitudinal threaded rod (24) with the bottom welded of clamping platform (4) on the surface of horizontal threaded rod (25) and longitudinal threaded rod (26) threaded connection respectively, horizontal threaded rod (25) and longitudinal threaded rod (26) are close to the outside one end of frame (2) and have welded horizontal adjustment handle (27) and longitudinal adjustment handle (28) respectively, spout (29) with horizontal threaded rod (25) and longitudinal threaded rod (26) sliding connection are seted up on the surface of frame (2).

8. A profile measuring projector according to claim 1, wherein: cushion blocks (30) are bonded at four corners of the bottom of the machine base (2).