Impact test device for manufacturing optical glass

Abstract

The utility model relates to the technical field of glass impact tests, in particular to an impact test device for manufacturing optical glass, which comprises a base, guide plates fixed at the top end of the base, mounting mechanisms arranged between the two guide plates, glass placed between the mounting mechanisms, and an impact mechanism arranged above the glass. The utility model has the beneficial effects that the glass can be stably placed between the two mounting plates, an impact test is carried out through the impact block, glass with different thicknesses can be inserted into the mounting grooves and can move along the first sliding chute and the second sliding chute, glass with different lengths and widths can be placed, and flexibility and convenience are realized; glass can be conveniently taken and placed, the glass can be safely taken and placed, the glass is prevented from falling off when placed or taken out, the glass is conveniently and rapidly impacted in the falling-off process, and interference of other pull ropes and the like on the impact block is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to glass impact test technical field especially relates to an impact test device for optical glass manufacturing. BACKGROUND

[0002] Optical glass is a kind of glass that can change the propagation direction of light and can change the relative spectral distribution of ultraviolet, visible or infrared light.

[0003] Optical glass can be used to manufacture lenses, prisms, mirrors and windows in optical instruments, and components made of optical glass are key elements in optical instruments, so impact testing of optical glass before installing optical elements is very important, and the impact resistance of optical glass is directly related to whether the optical instrument can be normally put into use.

[0004] For example, the prior art Chinese patent publication "CN221594632U" provides an impact test device for optical glass manufacturing, which comprises a workbench, a rotating disc is installed at the top edge of the workbench, an installation plate is installed at the top of the workbench away from the rotating disc, an empty slot is formed in the center of the side wall of the installation plate close to the rotating disc, a spring is installed on the bottom inner wall of the empty slot, a moving plate is installed on the top of the spring, a fixed plate is installed on the side wall of the moving plate close to the rotating disc, a first fixed block is installed on the side wall of the fixed plate away from the moving plate, a first cavity is formed at the top edge of the first fixed block, a second fixed block is arranged below the first cavity, and an iron ball is installed on the bottom of the second fixed block.

[0005] The device avoids the danger of manual operation, improves safety and reduces labor intensity.

[0006] The existing impact test device for optical glass manufacturing is not stable enough when the glass is placed, and is prone to shaking and sliding, which affects the impact test of optical glass, and it is not convenient to adjust the installation mechanism to stably place the optical glass of different length, width and thickness dimensions. UTILITY MODEL CONTENTS

[0007] The utility model aims at solving the shortcomings in the prior art that the glass is not stable enough when placed, is prone to shaking and sliding, and affects the impact test of optical glass, and provides an impact test device for optical glass manufacturing.

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0009] The utility model designs a kind of impact test device for optical glass manufacturing, including base, the top of the base is fixed with guide plate, installation mechanism is arranged between two guide plates, glass is placed between the installation mechanism, impact mechanism is arranged above the glass;First sliding slot is opened in the side of guide plate, the top of first sliding slot is opened with second sliding slot, for adjusting the installation mechanism of movement;The installation mechanism includes mounting plate, installation slot, guide mechanism, clamping mechanism and receiving mechanism, the bottom of mounting plate is fixed with moving plate, both ends of moving plate slide through first sliding slot, both ends of moving plate are fixed with sliding column, sliding column slides through second sliding slot, the surface of sliding column is connected with nut, installation slot is arranged in the inside of mounting plate, guide mechanism is located in the inside of installation slot, clamping mechanism is inserted into installation slot, receiving mechanism is located between two mounting plates;The guide mechanism includes guide roller, the middle of guide roller rotates through connecting rod, connecting rod is vertically fixed in the inside of installation slot, for the limiting and guiding of both sides of glass;The clamping mechanism includes clamping plate, the top of installation slot is opened with first guide hole, guide rod is passed in the inside of first guide hole, guide rod is fixed at the top of clamping plate, spring is slidably sleeved on the surface of guide rod and the position of inside of installation slot, the top of guide rod is fixed with limit plate, the bottom of clamping plate is bonded with protective pad, for the abutment and clamping of glass between two mounting plates;The receiving mechanism includes receiving rod, the surface of receiving rod is bonded with protective sleeve, the side of mounting plate and the position of bottom of installation slot are opened with second guide hole, receiving rod and protective sleeve are uniformly passed through second guide hole, for the receiving and anti-falling of glass above;The impact mechanism includes clamping plate and impact block, for the impact of glass below.

[0010] Further, the side of the base is fixed with a mounting bracket, the top of the mounting bracket is fixed with a support plate, the outside of the support plate is installed with a cylinder, the clamping plate is fixed inside the cylinder, and the impact block is clamped between the two clamping plates.

[0011] Further, the base is horizontally arranged, the guide plate is in long rectangular structure and is horizontally arranged, the glass is horizontally arranged, the first sliding slot and the second sliding slot are both in long rectangular structure and are horizontally arranged, and the length of the first sliding slot and the second sliding slot is less than the length of the guide plate.

[0012] Further, the mounting plate is in rectangular plate structure and is vertically arranged between the two guide plates, the moving plate is in rectangular plate structure and is horizontally arranged, the sliding column is in threaded column structure and is vertically arranged, and the nut is located at the top of the second sliding slot for fastening connection between the moving plate and the guide plate.

[0013] Further, the guide rollers are vertically arranged and close to the inner side of the mounting groove, the connecting rods are circular rod structures and are uniformly distributed in the interior of the mounting groove, and the side surfaces thereof are in sliding contact with the side edges of the glass.

[0014] Further, the clamping plates are rectangular plate structures and are horizontally arranged in the interior of the mounting groove and are located outside the guide rollers, the guide rods are vertically arranged, the limiting plates are rectangular plate structures and are horizontally arranged above the mounting plates, and the protective pads are made of rubber and are in abutment with the two sides of the top end of the glass.

[0015] Further, the supporting rods are circular rod structures and are horizontally arranged, and the lengths thereof are not less than the length of the base, and the protective sleeves are made of rubber and are located below the glass and are uniformly distributed between the two mounting plates.

[0016] Further, the mounting frames are L-shaped structures and are horizontally arranged at the top ends, the supporting plates are rectangular plate structures and are vertically arranged, the air cylinders are horizontally arranged, the clamping plates are located inside the supporting plates and are in telescopic connection with the air cylinders, and the impact blocks are located above the glass.

[0017] The impact testing device for optical glass manufacturing has the beneficial effects that:

[0018] 1. The movable setting mounting mechanism is arranged through the guide plate, the mounting plate in the mounting mechanism is in sliding installation connection between the moving plate and the sliding column and the guide plate, installation grooves are formed in the two sides of the mounting plate, in this way, when the optical glass impact test is carried out, the two sides of the glass are slidably inserted into the installation grooves and are guided and limited through the guide mechanism, in addition, the spring is elastically extended, so that the clamping plate abuts against the protective pad on the two sides of the glass, therefore, the glass can be stably placed between the two mounting plates and is subjected to the impact test through the impact block, in this way, the glass of different thicknesses can be inserted into the installation grooves and is moved along the first sliding groove and the second sliding groove, and the glass of different length-width dimensions can be placed, which is flexible and convenient.

[0019] 2. The guide rollers are arranged on the inner side of the installation groove, which can facilitate the taking and placing of the glass, the supporting rods and the protective sleeves are arranged between the two mounting plates, the glass can be safely taken and placed, the glass is prevented from falling when being placed or taken out, the safety of the glass is improved, in addition, the impact block can be clamped through the clamping plate and is located above the glass, the glass is conveniently and neatly impacted in the falling process, and the interference of other pull ropes and other parts on the impact block is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1The overall structure schematic view of the utility model;

[0021] Figure 2 The overall structure schematic view of the utility model Figure 1 ;

[0022] Figure 3 The impact mechanism schematic view of the utility model Figure 1 ;

[0023] Figure 4 The mounting mechanism schematic view of the utility model Figure 1 ;

[0024] Figure 5 The clamping mechanism schematic view of the utility model Figure 1 ;

[0025] Figure 6 The receiving mechanism schematic view of the utility model Figure 1 .

[0026] In the drawing: 1, base; 2, moving plate; 3, first sliding slot; 4, second sliding slot; 5, guide plate; 6, sliding column; 7, protective sleeve; 8, mounting frame; 9, air cylinder; 10, glass; 11, limiting plate; 12, guide rod; 13, mounting plate; 14, guide roller; 15, protective pad; 16, impact block; 17, support plate; 18, clamping plate; 19, receiving rod; 20, spring; 21, clamping plate; 22, first guide hole; 23, connecting rod; 24, mounting groove; 25, nut; 26, second guide hole. DETAILED DESCRIPTION

[0027] 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, not all the embodiments. EMBODIMENT

[0028] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 , the impact test device for optical glass manufacturing in the drawing, including base 1, the top of base 1 is fixed with guide plate 5, two guide plates 5 are provided with mounting mechanism, the glass 10 is placed between the mounting mechanism, the upper of glass 10 is provided with impact mechanism.

[0029] The side of guide plate 5 is provided with first sliding slot 3, the top of first sliding slot 3 is provided with second sliding slot 4, for adjusting the movement of mounting mechanism.

[0030] The mounting mechanism comprises a mounting plate 13, a mounting groove 24, a guide mechanism, a clamping mechanism and a receiving mechanism, the bottom end of the mounting plate 13 is fixed with a moving plate 2, both ends of the moving plate 2 slide through the first sliding groove 3, both ends of the moving plate 2 are fixed with sliding columns 6, the sliding columns 6 slide through the second sliding groove 4, the surface of the sliding columns 6 is connected with nuts 25, the mounting groove 24 is arranged on the inner side of the mounting plate 13, the guide mechanism is located on the inner side of the mounting groove 24, the clamping mechanism is inserted into the mounting groove 24, and the receiving mechanism is located between the two mounting plates 13.

[0031] The guide mechanism comprises guide rollers 14, the middle of the guide rollers 14 rotates through connecting rods 23, the connecting rods 23 are vertically fixed in the interior of the mounting groove 24, and the two sides of the glass 10 are limited and guided.

[0032] The clamping mechanism comprises a clamping plate 21, the top end of the mounting groove 24 is provided with a first guide hole 22, the interior of the first guide hole 22 passes through a guide rod 12, the guide rod 12 is fixed at the top end of the clamping plate 21, the surface of the guide rod 12 and the position inside the mounting groove 24 slide with a spring 20, the top end of the guide rod 12 is fixed with a limiting plate 11, and the bottom end of the clamping plate 21 is bonded with a protective pad 15, so that the glass 10 is clamped and abutted between the two mounting plates 13.

[0033] The receiving mechanism comprises a receiving rod 19, the surface of the receiving rod 19 is bonded with a protective sleeve 7, the side of the mounting plate 13 and the position at the bottom end of the mounting groove 24 are provided with a second guide hole 26, the receiving rod 19 and the protective sleeve 7 uniformly pass through the second guide hole 26, so that the glass 10 above is received and prevented from falling.

[0034] The impact mechanism comprises a clamping plate 18 and an impact block 16, so as to impact the glass 10 below.

[0035] The mounting mechanism is movably arranged through the guide plate 5, the mounting plate 13 in the mounting mechanism is slidably and fixedly connected between the moving plate 2 and the sliding column 6 and the guide plate 5, and the mounting groove 24 is arranged on the two sides of the mounting plate 13.

[0036] Thus, when the optical glass impact test is performed, the glass 10 is slid and inserted into the installation groove 24 on both sides, and the two sides of the glass 10 are guided and limited by the guide mechanism, and the spring 20 is elastically extended, so that the clamping plate 21 abuts against the protective pad 15 on both sides of the glass 10, so that the glass 10 can be stably placed between the two installation plates 13, and the impact test is performed by the impact block 16. Thus, different thicknesses of glass 10 can be inserted into the installation groove 24 and moved along the first sliding groove 3 and the second sliding groove 4, and different length and width sizes of glass 10 can be placed, which is flexible and convenient.

[0037] The base 1 is horizontally arranged, the guide plate 5 is a long rectangular structure and is horizontally arranged, the glass 10 is horizontally arranged, the first sliding groove 3 and the second sliding groove 4 are both long rectangular structures and are both horizontally arranged, and the lengths of the first sliding groove 3 and the second sliding groove 4 are both less than the length of the guide plate 5.

[0038] The installation plate 13 is a rectangular plate structure and is vertically arranged between the two guide plates 5, the moving plate 2 is a rectangular plate structure and is horizontally arranged, the sliding column 6 is a threaded column structure and is vertically arranged, and the nut 25 is located at the top end of the second sliding groove 4 and is used to tightly connect the moving plate 2 and the guide plate 5.

[0039] The guide roller 14 is vertically arranged and close to the inner side of the installation groove 24, and the connecting rod 23 is a circular rod structure and is uniformly distributed in the interior of the installation groove 24, and the side surface thereof is in sliding contact with the side edge of the glass 10.

[0040] The clamping plate 21 is a rectangular plate structure and is horizontally arranged in the interior of the installation groove 24 and is located outside the guide roller 14, the guide rod 12 is vertically arranged, the limiting plate 11 is a rectangular plate structure and is horizontally arranged above the installation plate 13, and the protective pad 15 is made of rubber material and abuts against the top end of the glass 10 on both sides.

[0041] The receiving rod 19 is a circular rod structure and is horizontally arranged, and the length thereof is not less than the length of the base 1, the protective sleeve 7 is made of rubber material and is located below the glass 10 and is uniformly distributed between the two installation plates 13. Embodiment

[0042] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6The utility model provides an impact test device for optical glass manufacturing in the drawing, including the base 1, the top of base 1 is fixed with guide plate 5, two guide plate 5 between setting up mounting mechanism, the glass 10 is placed between mounting mechanism, the top of glass 10 is provided with impact mechanism.

[0043] The side of guide plate 5 is opened with first sliding slot 3, and the top of first sliding slot 3 is opened with second sliding slot 4 for adjusting the movement of mounting mechanism.

[0044] The mounting mechanism includes mounting plate 13, mounting slot 24, guide mechanism, clamping mechanism and receiving mechanism, the bottom of mounting plate 13 is fixed with moving plate 2, both ends of moving plate 2 slide through first sliding slot 3, both ends of moving plate 2 are fixed with sliding column 6, sliding column 6 slides through second sliding slot 4, the surface of sliding column 6 is connected with nut 25, mounting slot 24 is arranged in the inner side of mounting plate 13, guide mechanism is located in the inner side of mounting slot 24, clamping mechanism is inserted into mounting slot 24, and receiving mechanism is located between two mounting plates 13.

[0045] The guide mechanism includes guide roller 14, the middle of guide roller 14 rotates through connecting rod 23, and the connecting rod 23 is vertically fixed in the inside of mounting slot 24, so as to limit and guide the two sides of glass 10.

[0046] The clamping mechanism includes clamping plate 21, the top of mounting slot 24 is opened with first guide hole 22, the inside of first guide hole 22 passes through guide rod 12, the top of guide rod 12 is fixed in clamping plate 21, the surface of guide rod 12 and the position inside mounting slot 24 slide sleeve spring 20, the top of guide rod 12 is fixed with limit plate 11, and the bottom of clamping plate 21 is bonded with protective pad 15, so as to abut and clamp glass 10 between two mounting plates 13.

[0047] The receiving mechanism includes receiving rod 19, the surface of receiving rod 19 is bonded with protective sleeve 7, the side of mounting plate 13 and the position at the bottom of mounting slot 24 are opened with second guide hole 26, and receiving rod 19 and protective sleeve 7 uniformly pass through second guide hole 26, so as to receive and prevent the falling of glass 10 above.

[0048] The mounting mechanism is movably arranged through guide plate 5, the mounting plate 13 in mounting mechanism is slidably connected between moving plate 2, sliding column 6 and guide plate 5, and mounting slot 24 is arranged on both sides of mounting plate 13.

[0049] Thus, when the optical glass impact test is carried out, the glass 10 is slid and inserted into the installation groove 24 on both sides, and the two sides of the glass 10 are guided and limited through the guide mechanism, and the spring 20 is elastically extended, so that the clamping plate 21 abuts against the two sides of the glass 10 through the protective pad 15, so that the glass 10 can be stably placed between the two installation plates 13, and the impact test is carried out through the impact block 16, so that the glass 10 of different thicknesses can be inserted into the installation groove 24 and moved along the first sliding groove 3 and the second sliding groove 4, and the glass 10 of different length and width sizes can be placed, which is more flexible and convenient.

[0050] The impact mechanism includes a clamping plate 18 and an impact block 16 for impacting the glass 10 below; one side of the base 1 is fixedly provided with a mounting frame 8, the top inner side of the mounting frame 8 is fixedly provided with a supporting plate 17, the outer side of the supporting plate 17 is provided with a pneumatic cylinder 9, the clamping plate 18 is fixedly arranged on the inner side of the pneumatic cylinder 9, and the impact block 16 is clamped between the two clamping plates 18.

[0051] The guide rollers 14 are arranged on the inner side of the installation groove 24, which can facilitate taking and placing the glass 10, and the receiving rods 19 and the protective sleeves 7 are arranged between the two installation plates 13, so that the glass 10 can be safely taken and placed, avoiding falling when the glass 10 is placed or taken out, improving the safety of the glass 10, and the impact block 16 can be clamped through the clamping plate 18 and located above the glass 10, so that the glass 10 can be conveniently and neatly impacted in the falling process, and the interference of other pull ropes and other parts on the impact block 16 is reduced.

[0052] The mounting frame 8 is in an L-shaped structure and is horizontally arranged at the top, the supporting plate 17 is in a rectangular plate structure and is vertically arranged, the pneumatic cylinder 9 is horizontally arranged, the clamping plate 18 is located on the inner side of the supporting plate 17 and is telescopically connected between the pneumatic cylinder 9, and the impact block 16 is located above the glass 10.

[0053] Working mode: the installation mechanism is movably arranged through the guide plate 5, the installation plate 13 in the installation mechanism is slidably and movably connected between the guide plate 5 through the moving plate 2 and the sliding column 6, and the installation groove 24 is formed on both sides of the installation plate 13.

[0054] Thus, when the optical glass impact test is carried out, the glass 10 is slid and inserted into the installation groove 24 on both sides, and the two sides of the glass 10 are guided and limited through the guide mechanism, and the spring 20 is elastically extended, so that the clamping plate 21 abuts against the two sides of the glass 10 through the protective pad 15, so that the glass 10 can be stably placed between the two installation plates 13, and the impact test is carried out through the impact block 16, so that the glass 10 of different thicknesses can be inserted into the installation groove 24 and moved along the first sliding groove 3 and the second sliding groove 4, and the glass 10 of different length and width sizes can be placed, which is more flexible and convenient.

[0055] The guiding roller 14 is arranged on the inner side of the installation groove 24, which facilitates the taking and placing of the glass 10; the receiving rod 19 and the protective sleeve 7 are arranged between the two installation plates 13, so that the glass 10 can be safely taken and placed, and falling of the glass 10 during placing or taking is avoided, thereby improving the safety of the glass 10; in addition, the impact block 16 can be clamped by the clamping plate 18 and located above the glass 10, so that the glass 10 is conveniently and neatly impacted during the falling process, and interference of other pull ropes and other parts on the impact block 16 is reduced.

[0056] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. An impact testing device for optical glass manufacturing comprising a base (1), characterized in that: The top end of the base (1) is fixed with guide plates (5), two of the guide plates (5) are provided with mounting mechanisms, the mounting mechanisms are placed with glass (10), the upper side of the glass (10) is provided with impact mechanisms; The side of the guide plate (5) is provided with a first sliding groove (3), the top end of the first sliding groove (3) is provided with a second sliding groove (4), which is used for adjusting the movement of the mounting mechanism; The mounting mechanism comprises an installation plate (13), an installation slot (24), a guide mechanism, a clamping mechanism and a receiving mechanism, the bottom end of the installation plate (13) is fixed with a moving plate (2), the both ends of the moving plate (2) slide through the first sliding groove (3), the both ends of the moving plate (2) are fixed with sliding columns (6), the sliding columns (6) slide through the second sliding groove (4), the surface of the sliding column (6) is connected with a nut (25), the installation slot (24) is arranged on the inner side of the installation plate (13), the guide mechanism is located on the inner side of the installation slot (24), the clamping mechanism is inserted into the installation slot (24), and the receiving mechanism is located between the two installation plates (13); The guide mechanism comprises a guide roller (14), the middle of the guide roller (14) rotates through a connecting rod (23), the connecting rod (23) is vertically fixed in the installation slot (24), and the both sides of the glass (10) are limited and guided; The clamping mechanism comprises a clamping plate (21), the top end of the installation slot (24) is provided with a first guide hole (22), the inside of the first guide hole (22) penetrates a guide rod (12), the guide rod (12) is fixed at the top end of the clamping plate (21), the surface of the guide rod (12) and the position inside the installation slot (24) are slidably connected with a spring (20), the top end of the guide rod (12) is fixed with a limiting plate (11), and the bottom end of the clamping plate (21) is bonded with a protective pad (15), so that the glass (10) is abutted and clamped between the two installation plates (13); The receiving mechanism comprises a receiving rod (19), the surface of the receiving rod (19) is bonded with a protective sleeve (7), the side of the installation plate (13) and the position at the bottom end of the installation slot (24) are provided with a second guide hole (26), the receiving rod (19) and the protective sleeve (7) uniformly penetrate the second guide hole (26), so as to receive and prevent the upper glass (10) from falling; The impact mechanism comprises a clamping plate (18) and an impact block (16), which are used for impacting the lower glass (10).

2. The impact testing device for optical glass manufacturing according to claim 1, characterized by: One side of the base (1) is fixed with a mounting frame (8), the top end of the mounting frame (8) is fixed with a support plate (17) on the inner side, the outer side of the support plate (17) is provided with a pneumatic cylinder (9), the clamping plate (18) is fixed on the inner side of the pneumatic cylinder (9), and the impact block (16) is clamped between the two clamping plates (18).

3. The impact testing device for optical glass manufacturing according to claim 1, characterized by: The base (1) is horizontally arranged, the guide plate (5) is long rectangular structure, and is horizontally arranged, the glass (10) is horizontally arranged, the first sliding groove (3) and the second sliding groove (4) are long rectangular structure, and are horizontally arranged, and the length is less than the length of the guide plate (5).

4. The impact testing device for optical glass manufacturing according to claim 1, characterized by: The mounting plate (13) is rectangular plate structure, and is vertically arranged between the two guide plates (5), the moving plate (2) is rectangular plate structure, and is horizontally arranged, the sliding column (6) is screw column structure, and is vertically arranged, the nut (25) is located at the top end of the second sliding groove (4), and is used for fastening the connection between the moving plate (2) and the guide plate (5).

5. The impact testing device for optical glass manufacturing according to claim 1, characterized by: The guide roller (14) is vertically arranged, and is close to the inner side of the mounting groove (24), the connecting rod (23) is circular rod structure, and is uniformly distributed in the inside of the mounting groove (24), and the side surface is in sliding contact with the side edge of the glass (10).

6. The impact testing device for optical glass manufacturing according to claim 1, characterized by: The clamping plate (21) is rectangular plate structure, and is horizontally arranged in the inside of the mounting groove (24), and is located outside the guide roller (14), the guide rod (12) is vertically arranged, the limiting plate (11) is rectangular plate structure, and is horizontally arranged above the mounting plate (13), the protective pad (15) adopts rubber material, and is abutted on both sides of the top end of the glass (10).

7. The impact testing device for optical glass manufacturing according to claim 1, characterized by: The receiving rod (19) is circular rod structure, and is horizontally arranged, and the length is not less than the length of the base (1), the protective sleeve (7) adopts rubber material, and is located below the glass (10), and is uniformly distributed between the two mounting plates (13).

8. The impact testing device for optical glass manufacturing according to claim 2, characterized by: The mounting frame (8) is L-shaped structure, and the top end is horizontally arranged, the supporting plate (17) is rectangular plate structure, and is vertically arranged, the air cylinder (9) is horizontally arranged, the clamping plate (18) is located in the inner side of the supporting plate (17), and is in telescopic connection with the air cylinder (9), the impact block (16) is located above the glass (10).

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