CN220638974U - Glass fiber reinforced plastic section bar forming device - Google Patents

Abstract

The utility model discloses a glass fiber reinforced plastic section forming device, which relates to the technical field of glass fiber reinforced plastic sections, and comprises a frame body, wherein one side of the frame body is provided with a feed inlet, the other side of the frame body is provided with a discharge outlet, the glass fiber reinforced plastic section body is penetrated between the feed inlet and the discharge outlet, an adjusting component is arranged in an inner cavity of the frame body and comprises a lifting piece, the lifting piece is arranged at one end of the inner top wall of the frame body, the top of the frame body is provided with a driving piece, the bottom of the driving piece is connected with the top of the lifting piece, and the other end of the inner top wall of the frame body is provided with a limiting piece. According to the utility model, through the matching arrangement of the lifting piece, the driving piece, the limiting piece, the movable plate, the fixed plate and the traction piece, the driving piece works to drive the lifting piece to work, so that the movable plate can be driven to lift, the distance between two groups of traction pieces can be conveniently and rapidly adjusted, and the manual adjustment of an operator is not needed, thereby improving the molding efficiency of the glass reinforced plastic profile.

Description

Glass fiber reinforced plastic section bar forming device

Technical Field

The utility model relates to the technical field of glass fiber reinforced plastic profiles, in particular to a glass fiber reinforced plastic profile forming device.

Background

The glass fiber reinforced plastic section has a series of excellent characteristics of high temperature resistance, corrosion resistance, high strength, small specific gravity, low moisture absorption, small extension, good insulation and the like, and is widely used in the industries of chemical industry, communication, construction and the like in recent years, and a pultrusion machine is mainly adopted for producing the glass fiber reinforced plastic section, and mainly comprises a creel, a frame, gum dipping, a preheating device, a heating forming device, a traction device, a sawing device, a finished product frame and the like, so that the traction device is a key ring for influencing the quality of a glass fiber reinforced plastic finished product.

The utility model discloses a glass fiber reinforced plastic profile caterpillar band traction film forming device, which comprises a base, wherein a limit seat is welded on one side of the top of the base, two fixing plates are arranged on the top of the base through bolts, two supporting plates are welded on the top of each fixing plate, a driving motor is arranged on one side of each fixing plate through bolts, an output shaft of each driving motor is connected with a driving roller in a flat key manner, driven rollers are respectively connected between the two fixing plates and between the supporting plates through bearings in a rotating manner, traction belts are respectively sleeved between the driving rollers and one driven roller and between the other two opposite driven rollers, a clamping hole is formed in one side of each supporting plate, a sliding block is clamped in the clamping hole, a threaded hole is formed in the top of each supporting plate, and an adjusting rod II is connected with internal threads of each threaded hole.

Disclosure of Invention

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the utility model and in the title of the utility model, which may not be used to limit the scope of the utility model.

Therefore, the utility model aims to provide a glass fiber reinforced plastic section molding device, which can solve the problems that the prior device mainly manually adjusts the interval between traction belts by operators, a great amount of time is wasted by the operators when the operators adjust the interval one by one, and the molding efficiency of the glass fiber reinforced plastic section is reduced.

In order to solve the technical problems, the utility model provides a glass fiber reinforced plastic section forming device, which adopts the following technical scheme: the frame body assembly comprises a frame body, wherein a feed inlet is formed in one side of the frame body, a discharge outlet is formed in the other side of the frame body, and a glass fiber reinforced plastic section body is arranged between the feed inlet and the discharge outlet in a penetrating manner;

the adjusting component is arranged in the inner cavity of the frame body and comprises a lifting piece, the lifting piece is arranged at one end of the inner top wall of the frame body, a driving piece is arranged at the top of the frame body, the bottom of the driving piece is connected with the top of the lifting piece, a limiting piece is arranged at the other end of the inner top wall of the frame body, a movable plate is arranged between the lifting piece and the limiting piece, a fixed plate is arranged on the inner bottom wall of the frame body, and the movable plate and the fixed plate are close to one end of the glass fiber reinforced plastic section body and are all provided with traction pieces.

Through adopting above-mentioned technical scheme, this scheme is originally internal with the leading-in framework of glass steel section bar body through the feed inlet to make glass steel section bar body be located between the traction element, derive through the discharge gate at last, when needs pull glass steel section bar body, drive lifting part work through the driving piece, lifting part work drives the fly leaf and moves down, and then can drive traction element downwardly moving, and the interval between two sets of traction elements of convenient quick adjustment need not manual adjustment, labour saving and time saving.

Optionally, the lifter includes first L type mounting panel, first L type mounting panel is installed the interior roof of framework body, first L type mounting panel with be connected with the lead screw through the bearing between the framework body, the outer wall threaded connection of lead screw has the screw, the right-hand member of screw with the left end fixed connection of fly leaf.

Through adopting above-mentioned technical scheme, rotate drive screw and remove, the screw removes and drives the fly leaf and reciprocate, and then can adjust the interval between the traction element for the device is applicable to different thickness glass steel section bar bodies.

Optionally, the driving piece includes the driving box, the driving box is installed the top of framework body, driving motor is installed to the interior bottom wall of driving box, driving shaft is installed to driving motor's power take off end, the driving gear is installed at the top of driving shaft, the left end meshing of driving gear is connected with driven gear, driven shaft has been cup jointed to driven gear's inner chamber, driven shaft's bottom with the top fixed connection of lead screw.

Through adopting above-mentioned technical scheme, drive the gear through the driving shaft when driving motor starts and rotate, the gear that drives rotates and drive driven gear and rotate, and then can drive the driven shaft and rotate, and then can drive the lead screw and rotate.

Optionally, the locating part includes second L type mounting panel, the second L type mounting panel is installed the other end of the internal roof of framework, the second L type mounting panel with be connected with the polished rod between the framework body, the outer wall cover of polished rod is equipped with the sliding sleeve, the left end of sliding sleeve with the right-hand member fixed connection of fly leaf.

Through adopting above-mentioned technical scheme, the fly leaf can drive the sliding sleeve and slide along the polished rod when reciprocating to can carry out spacingly to the fly leaf, prevent that the fly leaf from rotating.

Optionally, the traction piece includes first backup pad, first backup pad is installed respectively the fly leaf bottom with the one end at fixed plate top, be connected with first rotor between the first backup pad, the front end the outside of first backup pad is installed and is used for the drive first rotor pivoted step motor, the fly leaf bottom with the one end of first backup pad is kept away from at the fixed plate top is installed the second backup pad, be connected with the second rotor between the second backup pad, first rotor with the transmission is provided with the traction area outside the second rotor.

Through adopting above-mentioned technical scheme, drive first rotating roller when step motor starts and rotate, under the cooperation, first rotating roller rotates and drives the traction belt and rotate, and then can pull the glass steel section bar body.

Optionally, the both sides of framework body all are provided with direction subassembly, direction subassembly includes the connecting plate, the connecting plate is installed the both sides of framework body, the connecting plate is close to the one end of glass steel section bar body is connected with reset spring, reset spring deviates from the one end of connecting plate is connected with the slide, the slide is close to the riser is installed to the one end of glass steel section bar body, be connected with the guide roll between the riser.

Through adopting above-mentioned technical scheme, pulling slide removes towards the direction of connecting plate to can extrude reset spring, conveniently pass between the guide roll with the glass steel section bar body, through the setting of guide roll, make the glass steel section bar body more smooth and easy when the access framework body inner chamber.

Optionally, the outer wall of the guide roller is sleeved with a rubber sleeve.

Through adopting above-mentioned technical scheme, the setting of rubber sleeve can avoid the guide roll to cause wearing and tearing to the glass steel section bar body that passes through as far as possible.

Optionally, the slide is kept away from the one end of framework body is connected with the pull rod, the outer wall of pull rod has cup jointed the antiskid cover.

Through adopting above-mentioned technical scheme, make things convenient for operating personnel to hold pull rod department and drive the slide and remove, the setting of antiskid cover has increased the resistance between operating personnel's hand and the pull rod, avoids appearing the smooth phenomenon of hand as far as possible.

Optionally, the one end that the slide kept away from the pull rod is connected with the slider, the spout has been seted up in the outside of framework body, the slider with sliding connection between the spout.

Through adopting above-mentioned technical scheme, can drive the slider and slide in the spout when the slide is moving to make the slide more steady when moving.

In summary, the present utility model includes at least one of the following beneficial effects:

(1) Through the cooperation setting of lifting part, driving piece, locating part, fly leaf, fixed plate and traction element, the driving piece work drives lifting part work to can drive the fly leaf and go up and down, conveniently adjust the interval between two sets of traction elements fast, need not the manual adjustment of operating personnel, thereby improved glass steel section bar fashioned efficiency.

(2) Through the cooperation setting of second L type mounting panel, reset spring and sliding sleeve, can drive the sliding sleeve and slide along the polished rod when the fly leaf is removing to can carry out spacing and support the fly leaf, prevent that the fly leaf from rotating.

(3) Through the cooperation of connecting plate, reset spring, slide, riser and guide roll, under reset spring's elasticity effect, the guide roll hugs closely at the top and the bottom of glass steel section bar body, conveniently leads to glass steel section bar body to make glass steel section bar body more smooth and easy when the inner chamber of access framework body.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a traction member according to the present utility model;

FIG. 3 is a schematic view of the structure of FIG. 1A according to the present utility model;

fig. 4 is a schematic diagram of the structure B in fig. 1 according to the present utility model.

In the figure:

1. a frame assembly; 101. a frame body; 1011. a chute; 102. a feed inlet; 103. a discharge port; 104. a glass fiber reinforced plastic section bar body;

2. an adjustment assembly; 201. a lifting member; 2011. a first L-shaped mounting plate; 2012. a screw rod; 2013. a nut; 202. a driving member; 2021. a drive box; 2022. a driving motor; 2023. a driving shaft; 2024. a drive gear; 2025. a driven gear; 2026. a driven shaft; 203. a limiting piece; 2031. a second L-shaped mounting plate; 2032. a polish rod; 2033. a sliding sleeve; 204. a movable plate; 205. a fixing plate; 206. a traction member; 2061. a first support plate; 2062. a first rotating roller; 2063. a stepping motor; 2064. a second support plate; 2065. a second rotating roller; 2066. a traction belt;

3. a guide assembly; 301. a connecting plate; 302. a return spring; 303. a slide plate; 3031. a slide block; 3032. a pull rod; 30321. an anti-skid sleeve; 304. a riser; 305. a guide roller; 3051. a rubber sleeve.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-4.

Referring to fig. 1, in order to solve the problem that in the prior art, a lot of time is wasted by operators and the molding efficiency of glass fiber reinforced plastic profiles is reduced by manually adjusting the distance between traction belts by operators, the utility model discloses a glass fiber reinforced plastic profile molding device frame assembly 1, which comprises a frame body 101, wherein one side of the frame body 101 is provided with a feed inlet 102, so that glass fiber reinforced plastic can be led in through the feed inlet 102, the other side of the frame body 101 is provided with a discharge outlet 103, glass fiber reinforced plastic can be led out through the discharge outlet 103, and a glass fiber reinforced plastic profile body 104 is arranged between the feed inlet 102 and the discharge outlet 103 in a penetrating way.

The adjusting component 2, the adjusting component 2 sets up in the inner chamber of framework body 101, it includes lifting unit 201, lifting unit 201 installs the one end at framework body 101 inner roof, the top of framework body 101 is provided with driving unit 202, the bottom of driving unit 202 is connected with the top of lifting unit 201, the other end of framework body 101 inner roof is provided with locating part 203, install fly leaf 204 between lifting unit 201 and the locating part 203, fixed plate 205 is installed to the interior bottom wall of framework body 101, fly leaf 204 and fixed plate 205 are close to the one end of glass steel section bar body 104 all and are provided with traction element 206, thereby can pull glass steel section bar body 104 through traction element 206.

Referring to fig. 1, the lifting member 201 includes a first L-shaped mounting plate 2011, the first L-shaped mounting plate 2011 is fixedly mounted on an inner top wall of the frame body 101, a screw rod 2012 is rotatably connected between the first L-shaped mounting plate 2011 and the frame body 101 through a bearing, a screw nut 2013 is screwed on an outer wall of the screw rod 2012, and a right end of the screw nut 2013 is fixedly connected with a left end of the movable plate 204. 2102 rotate the drive screw 2013 and remove, the screw 2013 removes and drives fly leaf 204 and reciprocate, and then can adjust the interval between the traction piece 206 for the device is applicable to different thickness glass steel section bar bodies 104.

Referring to fig. 1 and 3, the driving member 202 includes a driving box 2021, the driving box 2021 is mounted on the top of the frame body 101, a driving motor 2022 is fixedly mounted on an inner bottom wall of the driving box 2021, a driving shaft 2023 is mounted at a power output end of the driving motor 2022, a driving gear 2024 is fixedly mounted on the top of the driving shaft 2023, a driven gear 2025 is engaged and connected at a left end of the driving gear 2024, a driven shaft 2026 is sleeved in an inner cavity of the driven gear 2025, and a bottom of the driven shaft 2026 is fixedly connected with a top of the screw rod 2012. When the driving motor 2022 is started, the driving gear 2024 is driven to rotate by the driving shaft 2023, the driven gear 2025 is driven to rotate by the rotation of the driving gear 2024, the driven shaft 2026 can be driven to rotate, and the screw 2012 can be driven to rotate.

Referring to fig. 1 and 2, the traction member 206 includes a first support plate 2061, the first support plate 2061 is respectively installed at one ends of the bottom of the movable plate 204 and the top of the fixed plate 205, a first rotating roller 2062 is rotatably connected between the first support plates 2061, a stepping motor 2063 for driving the first rotating roller 2062 to rotate is installed at the outer side of the front first support plate 2061, a second support plate 2064 is installed at one ends of the bottom of the movable plate 204 and the top of the fixed plate 205 away from the first support plate 2061, a second rotating roller 2065 is rotatably connected between the second support plate 2064, and a traction belt 2066 is arranged outside the first rotating roller 2062 and the second rotating roller 2065. When the stepping motor 2063 is started, the first rotating roller 2062 is driven to rotate, and under the cooperation of 1065, the first rotating roller 2062 rotates to drive the traction belt 2066 to rotate, so that the glass fiber reinforced plastic profile body 104 can be pulled.

The specific implementation principle is as follows: the glass fiber reinforced plastic profile body 104 is led into the frame body 101 through the feeding hole 102 and passes through between two groups of traction pieces 206, and finally led out through the discharging hole 103, when the glass fiber reinforced plastic profile body 104 is positioned between the traction pieces 206, the driving motor 2022 is started, the driving motor 2022 drives the driving gear 2024 to rotate through the driving shaft 2023, the driving gear 2024 drives the driven gear 2025 to rotate, further the driven shaft 2026 can be driven to rotate, the driven shaft 2026 drives the screw rod 2012 to rotate, the screw 2013 is driven to move downwards when the screw rod 2012 rotates, further the movable plate 204 can be driven to move downwards, the movable plate 204 moves to drive the traction pieces 206 below to move downwards, the top of the traction pieces 206 is in contact with the top of the glass fiber reinforced plastic profile body 104, the distance between the two groups of traction pieces 206 can be quickly adjusted, manual adjustment of an operator is not needed, time and labor are saved, after adjustment is completed, the stepping motor 2063 is started, the stepping motor 2063 is driven to rotate when working, the first rotating roller 2062 is driven, the driving belt 2066 is rotated, the driving the second rotating roller 2066 is rotated, the driving belt 2066 to rotate, the second rotating roller 2066 is driven to rotate, and the driving the second rotating body to rotate 206.

Referring to fig. 1, in the second embodiment, based on the same concept as the first embodiment, the glass fiber reinforced plastic section forming device further includes that the limiting member 203 includes a second L-shaped mounting plate 2031, the second L-shaped mounting plate 2031 is mounted at the other end of the inner top wall of the frame body 101, a polish rod 2032 is fixedly connected between the second L-shaped mounting plate 2031 and the frame body 101, a sliding sleeve 2033 is sleeved on the outer wall of the polish rod 2032 in a sliding manner, and the left end of the sliding sleeve 2033 is fixedly connected with the right end of the movable plate 204.

The specific implementation principle is as follows: when the movable plate 204 moves downwards, the sliding sleeve 2033 can be driven to slide along the polish rod 2032, so that the movable plate 204 can be supported and limited, the movable plate 204 is prevented from rotating, and the movable plate 204 is enabled to be more stable in the up-and-down movement process.

Referring to fig. 1 and 4, in this embodiment, based on the same concept as the first embodiment, the glass fiber reinforced plastic section forming device further includes guide assemblies 3 disposed on two sides of the frame body 101, the guide assemblies 3 include a connecting plate 301, the connecting plate 301 is fixedly mounted on two sides of the frame body 101, one end of the connecting plate 301, which is close to the glass fiber reinforced plastic section body 104, is fixedly connected with a return spring 302, one end of the return spring 302, which is away from the connecting plate 301, is fixedly connected with a sliding plate 303, one end of the sliding plate 303, which is close to the glass fiber reinforced plastic section body 104, is provided with a vertical plate 304, and guide rollers 305 are rotatably connected between the vertical plates 304. The sliding plate 303 is pulled to move towards the direction of the connecting plate 301, so that the reset spring 302 can be extruded, the glass fiber reinforced plastic section bar body 104 can conveniently pass between the guide rollers 305, and the glass fiber reinforced plastic section bar body 104 is smoother when entering and exiting the inner cavity of the frame body 101 through the arrangement of the guide rollers 305.

Referring to fig. 4, a rubber sleeve 3051 is fixedly coupled to an outer wall of the guide roller 305. The rubber sleeve 3051 can avoid abrasion of the glass fiber reinforced plastic profile body 104 passing through by the guide roller 305 as much as possible.

Referring to fig. 4, a pull rod 3032 is fixedly connected to one end of the sliding plate 303 far away from the frame body 101, and an anti-slip sleeve 30321 is fixedly sleeved on the outer wall of the pull rod 3032. The sliding plate 303 is driven to move by an operator holding the pull rod 3032 conveniently, and the anti-slip sleeve 30321 increases the resistance between the operator hand and the pull rod 3032, so that the phenomenon of hand slip is avoided as much as possible.

Referring to fig. 1 and 4, a slider 3031 is connected to one end of the slider 303 away from the pull rod 3032, and a slide groove 1011 is provided on the outer side of the frame body 101, and the slider 3031 is slidably connected to the slide groove 1011. The slider 3031 can be driven to slide in the sliding groove 1011 when the sliding plate 303 moves, so that the sliding plate 303 is more stable when moving.

The specific implementation principle is as follows: before the glass fiber reinforced plastic section bar body 104 enters the inner cavity of the frame body 101, an operator holds the anti-slip sleeve 30321 to pull the sliding plate 303 to move towards the direction of the connecting plate 301, so that the reset spring 302 is compressed, the sliding plate 303 moves to drive the guide rollers 305 to move through the vertical plate 304, so that the distance between the guide rollers 305 is increased, at the moment, the glass fiber reinforced plastic section bar body 104 passes through the space between the guide rollers 305, then the anti-slip sleeve 30321 is loosened, under the action of the elastic force of the reset spring 302, the guide rollers 305 move towards the glass fiber reinforced plastic section bar body 104, so that the guide rollers 305 are tightly attached to the top and the bottom of the glass fiber reinforced plastic section bar body 104, and before the glass fiber reinforced plastic section bar body 104 is led out of the discharge hole 103, the operation is repeated, so that the glass fiber reinforced plastic section bar body 104 can be guided, and the glass fiber reinforced plastic section bar body 104 enters and exits the inner cavity of the frame body 101 more smoothly.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (9)

1. The utility model provides a glass steel section bar forming device which characterized in that: comprising the steps of (a) a step of,

the frame body assembly (1) comprises a frame body (101), wherein a feed inlet (102) is formed in one side of the frame body (101), a discharge outlet (103) is formed in the other side of the frame body (101), and a glass fiber reinforced plastic section bar body (104) is arranged between the feed inlet (102) and the discharge outlet (103) in a penetrating mode;

the adjusting component (2), adjusting component (2) set up in the inner chamber of framework body (101), it includes lifter (201), lifter (201) are installed the one end of roof in framework body (101), the top of framework body (101) is provided with driving piece (202), the bottom of driving piece (202) with the top of lifter (201) is connected, the other end of roof is provided with locating part (203) in framework body (101), lifter (201) with install fly leaf (204) between locating part (203), fixed plate (205) are installed to the interior bottom wall of framework body (101), fly leaf (204) with fixed plate (205) are close to the one end of glass steel section bar body (104) all is provided with traction element (206).

2. A glass fiber reinforced plastic profile molding apparatus as in claim 1, wherein: lifting piece (201) are including first L type mounting panel (2011), first L type mounting panel (2011) are installed the interior roof of framework body (101), first L type mounting panel (2011) with be connected with lead screw (2012) through the bearing between framework body (101), the outer wall threaded connection of lead screw (2012) has screw (2013), the right-hand member of screw (2013) with the left end fixed connection of fly leaf (204).

3. A glass fiber reinforced plastic profile molding apparatus as claimed in claim 2, wherein: the driving piece (202) comprises a driving box (2021), the driving box (2021) is installed at the top of the frame body (101), a driving motor (2022) is installed on the inner bottom wall of the driving box (2021), a driving shaft (2023) is installed at the power output end of the driving motor (2022), a driving gear (2024) is installed at the top of the driving shaft (2023), a driven gear (2025) is connected with the left end of the driving gear (2024) in a meshed mode, a driven shaft (2026) is sleeved in the inner cavity of the driven gear (2025), and the bottom of the driven shaft (2026) is fixedly connected with the top of the screw rod (2012).

4. A glass fiber reinforced plastic profile molding apparatus as in claim 1, wherein: the limiting piece (203) comprises a second L-shaped mounting plate (2031), the second L-shaped mounting plate (2031) is mounted at the other end of the inner top wall of the frame body (101), a polish rod (2032) is connected between the second L-shaped mounting plate (2031) and the frame body (101), a sliding sleeve (2033) is sleeved on the outer wall of the polish rod (2032), and the left end of the sliding sleeve (2033) is fixedly connected with the right end of the movable plate (204).

5. A glass fiber reinforced plastic profile molding apparatus as in claim 1, wherein: the traction piece (206) comprises a first supporting plate (2061), the first supporting plate (2061) is respectively installed at the bottom of the movable plate (204) and one end at the top of the fixed plate (205), a first rotating roller (2062) is connected between the first supporting plates (2061), a stepping motor (2063) used for driving the first rotating roller (2062) is installed at the outer side of the first supporting plate (2061), a second supporting plate (2064) is installed at one end of the movable plate (204) bottom and the top of the fixed plate (205) far away from the first supporting plate (2061), a second rotating roller (2065) is connected between the second supporting plates (2064), and a traction belt (2066) is arranged outside the first rotating roller (2062) and the second rotating roller (2065) in a transmission mode.

6. A glass fiber reinforced plastic profile molding apparatus as in claim 1, wherein: both sides of framework body (101) all are provided with direction subassembly (3), direction subassembly (3) are including connecting plate (301), connecting plate (301) are installed the both sides of framework body (101), connecting plate (301) are close to the one end of glass steel section bar body (104) is connected with reset spring (302), reset spring (302) deviate from the one end of connecting plate (301) is connected with slide (303), slide (303) are close to riser (304) are installed to the one end of glass steel section bar body (104), be connected with guide roll (305) between riser (304).

7. The glass fiber reinforced plastic profile molding device as claimed in claim 6, wherein: the outer wall of the guide roller (305) is sleeved with a rubber sleeve (3051).

8. The glass fiber reinforced plastic profile molding device as claimed in claim 6, wherein: one end of the sliding plate (303) far away from the frame body (101) is connected with a pull rod (3032), and an anti-slip sleeve (30321) is sleeved on the outer wall of the pull rod (3032).

9. The glass fiber reinforced plastic section molding device as defined in claim 8, wherein: one end of the sliding plate (303) far away from the pull rod (3032) is connected with a sliding block (3031), a sliding groove (1011) is formed in the outer side of the frame body (101), and the sliding block (3031) is in sliding connection with the sliding groove (1011).